348
337
330
325
Contents
Safety
Emergency
Controls
Driving
Maintenance
Information
Index
1
2
3
4
5
6
7
Contents
©2017PACCARInc-AllRightsReserved
Thismanualillustratesanddescribestheoperationoffeaturesorequipmentwhichmaybeeitherstandardoroptionalon
thisvehicle.Thismanualmayalsoincludeadescriptionoffeaturesandequipmentwhicharenolongeravailableorwere
notorderedonthisvehicle.Pleasedisregardanyillustrationsordescriptionsrelatingtofeaturesorequipmentwhichare
notonthisvehicle.
PACCARreservestherighttodiscontinue,changespecications,orchangethedesignofitsvehiclesatanytime,without
noticeandwithoutincurringanyobligation.
TheinformationcontainedinthismanualisproprietarytoPACCAR.Reproduction,inwholeorinpart,byanymeansisstrictly
prohibitedwithoutpriorwrittenauthorizationfromPACCARInc.
SAFETY
INTRODUCTION
HowtoUseThisManual.............1-3
HowtoFindWhatYouWant...........1-3
SafetyAlerts..................1-4
VehicleSafety.................1-6
ASpecialWordAboutRepairs..........1-8
AdditionalSourcesofInformation.........1-9
CABANDFRAMEACCESS
Safety....................1-11
DoorLockandKeys..............1-12
RemoteKeylessEntry(RKE)..........1-13
ClimbingOntotheDeckPlate.........1-14
GETTINGTOYOURENGINE
HoodHoldDowns...............1-16
HoodTilt...................1-17
HoodSafetyCable..............1-18
(03/17)Y53-6060-1C11-1
1
SAFETY
SEATSANDRESTRAINTS
Introduction.................1-20
SafetyRestraintBelts.............1-21
TetherBelts.................1-24
Komfort-Latch®Feature............1-25
DuringPregnancy...............1-26
BeltDamageandRepair............1-27
SafetyRestraintTips.............1-27
START-UP
Introduction.................1-29
SafeVehicleOperation............1-29
VehicleLoading................1-30
EmergencyEquipment............1-31
Driver'sCheckList..............1-32
1-2Y53-6060-1C1(03/17)
1
INTRODUCTION
INTRODUCTION
HowtoUseThisManual
Thismanualcontainsuseful
informationforthesafeandefcient
operationofyourPeterbiltvehicle.
Italsoprovidesinformationon
maintainingyourvehicleinthebest
condition,withanoutlineforperforming
safetychecksandbasicpreventive
maintenanceinspections.
Wehavetriedtopresentthe
informationyou’llneedtolearnabout
yourvehicle’sfunctions,controls,and
operation—andtopresentitasclearly
aspossible.Wehopeyou’llndthis
manualeasytouse.
Therewillbetimeswhenyouneedto
takethismanualoutofyourPeterbilt.
Whenyoudo,pleasebesuretoreturn
ittothecabwhenyouarenished
usingit.Thatwayitwillbetherewhen
youneeditthenexttimeorwhenyou
passthevehicleontothenextuser.
HowtoFindWhatYouWant
Thereareseveraltoolsbuiltintothis
manualtohelpyoundwhatyouneed
quicklyandeasily.
FirstistheQuickTableofContents.
Locatedatthefrontofthemanual,this
liststhemainsubjectscoveredand
givessectionnumberswhereyoucan
ndthesesubjects.UsetheQuick
TableofContentstondinformation
onalargesubjectlike"Maintenance."
Cross-referencedcitationsalsohelp
yougettheinformationyouneed.If
someotherpartofthemanualcontains
furtherinformationonthesubjectyou
arereadingabout,we’llindicatethat
inacross-referencelikethis:(See
Driver’sCheckListonpage1-32).You
won’thavetogosearchingformore
information.
Finallyyou’llndahelpfulSubject
Index.It’sinthebackofthemanual
(03/17)Y53-6060-1C11-3
1
INTRODUCTION
andalphabeticallyliststhesubjects
covered.Soifyouwantinformationon
brakes,forexample,justlookunder
BrakeintheSubjectIndex.You’llnd
allthepageslistedwherebrakesor
brakingarediscussed.
SafetyAlerts
Pleasereadandfollowallofthe
safetyalertscontainedinthismanual.
Theyarethereforyourprotection
andinformation.Thesealertscan
helpyouavoidinjurytoyourself,your
passengers,andhelppreventcostly
damagetothevehicle.Safetyalerts
arehighlightedbysafetyalertsymbols
andsignalwordssuchas"WARNING",
"CAUTION",or"NOTE".Pleasedonot
ignoreanyofthesealerts.
WARNING
WARNING!
Thesafetymessagefollowingthis
symbolandsignalwordprovidesa
warningagainstoperatingprocedures
whichcouldcausedeathorpersonal
injury.Theycouldalsocause
equipmentorpropertydamage.The
alertwillidentifythehazard,howto
avoidit,andtheprobableconsequence
ofnotavoidingthehazard.
1-4Y53-6060-1C1(03/17)
1
INTRODUCTION
Example:
WARNING!
Donotcarryadditionalfuelcontain-
ersinyourvehicle.Fuelcontainers,
eitherfullorempty,mayleak,ex-
plode,andcauseorfeedare.Do
notcarryextrafuelcontainers.Even
emptyonesaredangerous.Failure
tocomplymayresultindeathorper-
sonalinjury.
CAUTION
CAUTION
Thesafetyalertfollowingthissymbol
andsignalwordprovidesacaution
againstoperatingprocedureswhich
couldcauseequipmentorproperty
damage.Thealertwillidentifythe
hazard,howtoavoidit,andthe
probableconsequenceofnotavoiding
thehazard.
Example:
CAUTION
Continuingtooperateyourvehi-
clewithinsufcientoilpressurewill
causeseriousenginedamage.Fail-
uretocomplymayresultinequip-
mentorpropertydamage.
NOTE
NOTE
Thealertfollowingthissymboland
signalwordprovidesimportant
informationthatisnotsafetyrelated
butshouldbefollowed.Thealert
willhighlightthingsthatmaynotbe
obviousandisusefultoyourefcient
operationofthevehicle.
Example:
NOTE
Pumpingtheacceleratorwillnotas-
sistinstartingtheengine.
(03/17)Y53-6060-1C11-5
1
INTRODUCTION
VehicleSafety
WARNING!
Donotdrinkalcoholanddrive.Your
reexes,perceptions,andjudgment
canbeaffectedbyevenasmall
amountofalcohol.Youcouldhavea
seriousorevenfatalaccident,ifyou
driveafterdrinking.Pleasedonot
drinkanddriveorridewithadriver
whohasbeendrinking.Failureto
complymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
WARNING!
Donottextanddrive.Yourreac-
tiontime,perceptionsandjudgment
canbeaffectedwhiletextingorus-
inganyotherformofmobilemes-
sagingwhiledriving.Failuretocom-
plymayresultindeath,personalin-
jury,equipmentorpropertydamage.
Makesureyourvehicleisintop
workingconditionbeforeheading
outontheroad,itistheresponsible
driver'sdutytodoso.Inspectthe
vehicleaccordingtotheDriver'sCheck
Listbeginningonpage1-32.
Everynewvehicleisdesignedto
conformtoallFederalMotorVehicle
SafetyStandardsapplicableatthetime
ofmanufacture.Evenwiththesesafety
features,continuedsafeandreliable
operationdependsgreatlyupon
regularvehiclemaintenance.Follow
themaintenancerecommendations
foundinPreventiveMaintenanceon
page5-9.Thiswillhelppreserveyour
investment.
Keepinmindthatevenawell
maintainedvehiclemustbeoperated
withintherangeofitsmechanical
capabilitiesandthelimitsofitsload
ratings.SeetheWeightRatingslabel
onthedriver'sdooredge.
Safedrivingisonlypossiblewiththe
properconcentrationonthedriving
task.Keepdistractiontoaminimumto
improveyourconcentration.Examples
ofdistractionsmayincluderadio
controls,GPSnavigationcontrols,
cellulartelephonecalls,cellulartext
messages,readingorreachingfor
somethingontheoor.Minimizing
yourdistractionswillimprovesafe
drivingandwillhelpavoidanaccident
involvingdeathorpersonalinjury.
Beawareoflocalregulationsthatmay
prohibittheuseofcellulartelephones
whiledriving.Inadditiontobeingan
unsafepractice,itmaybeagainstlocal
orfederalordinancestousecellular
deviceswhileoperatingthevehicle.
Thismanualisnotatrainingmanual.
Itcannottellyoueverythingyouneed
toknowaboutdrivingyourvehicle.For
thatyouneedagoodtrainingprogram
ortruckdrivingschool.Ifyouhavenot
1-6Y53-6060-1C1(03/17)
1
INTRODUCTION
beentrained,getthepropertraining
beforeyoudrive.Onlyqualieddrivers
shoulddrivethisvehicle.
CaliforniaProposition65Warning
•Dieselengineexhaustandsome
ofitsconstituentsareknownto
theStateofCaliforniatocause
cancer,birthdefects,andother
reproductiveharm.
•Otherchemicalsinthisvehicle
arealsoknowntotheStateof
Californiatocausecancer,birth
defectsorotherreproductive
harm.
•Batteryposts,terminals,and
relatedaccessoriescontainlead
andleadcompounds,chemicals
knowntotheStateofCalifornia
tocausecancerandreproductive
harm.Washhandsafterhandling.
DataRecorder
CaliforniaVehicleCode-Section
9951-DisclosureofRecordingDevice
Yourvehiclemaybeequippedwithone
ormorerecordingdevicescommonly
referredtoas"eventdatarecorders
(EDR)"or"sensinganddiagnostic
modules(SDM)".Ifyouareinvolvedin
anaccident,thedevice(s)mayhave
theabilitytorecordvehicledatathat
occurredjustpriortoand/orduringthe
accident.Foradditionalinformationon
yourrightsassociatedwiththeuseof
thisdata,contact
•theCaliforniaDepartmentofMotor
Vehicles-LicensingOperations
Division
–or–
•http://www.dmv.ca.gov/
pubs/vctop/d03_6/vc9951.htm
(03/17)Y53-6060-1C11-7
1
INTRODUCTION
EnvironmentalProtection
WARNING!
Dieselengineexhaustandsome
ofitsconstituentsareknowntothe
StateofCaliforniatocausecancer,
birthdefects,andotherreproduc-
tiveharm.Otherchemicalsinthis
vehiclearealsoknowntotheState
ofCaliforniatocausecancer,birth
defectsorotherreproductiveharm.
Thiswarningrequirementisman-
datedbyCalifornialaw(Proposition
65)anddoesnotresultfromany
changeinthemannerinwhichvehi-
clesaremanufactured.
Someoftheingredientsinengine
oil,hydraulicoil,transmissionand
axleoil,enginecoolant,dieselfuel,
airconditioningrefrigerant(R12,
R134a,andPAGoil),batteries,etc.,
maycontaminatetheenvironmentif
spilledornotdisposedofproperly.
Contactyourlocalgovernmentagency
forinformationconcerningproper
disposal.
ASpecialWordAbout
Repairs
WARNING!
Donotattemptrepairworkwithout
sufcienttraining,servicemanuals,
andthepropertools.Youcouldbe
killedorinjured,oryoucouldmake
yourvehicleunsafe.Doonlythose
tasksyouarefullyqualiedtodo.
Yourdealer’sservicecenteristhebest
placetohaveyourvehiclerepaired.
Youcannddealersalloverthe
countrywiththeequipmentandtrained
personneltogetyoubackontheroad
quickly—andkeepyouthere.
Yourvehicleisacomplexmachine.
Anyoneattemptingrepairsonitneeds
goodmechanicaltrainingandthe
propertools.Ifyouaresureyou
havetheserequirements,thenyou
canprobablyperformsomerepairs
yourself.However,allwarrantyrepairs
1-8Y53-6060-1C1(03/17)
1
INTRODUCTION
mustbeperformedbyanauthorized
servicefacility.Ifyouaren’tan
experiencedmechanic,ordon’thave
therightequipment,pleaseleaveall
repairstoanauthorizedservicefacility.
Theyaretheonesequippedtodothe
jobsafelyandcorrectly.
MaintenanceManuals.Ifyoudo
decidetodoanycomplexrepairwork,
you’llneedthemaintenancemanuals.
Orderthemfromyourauthorized
dealer.PleaseprovideyourChassis
SerialNumberwhenyouorder,tobe
sureyougetthecorrectmanualsfor
yourvehicle.Allowaboutfourweeks
fordelivery.Therewillbeachargefor
thesemanuals.
FinalChassisBillofMaterial.A
complete,non-illustratedcomputer
printoutlistingofthepartsusedto
custom-buildyourvehicleisavailable
throughthedealerfromwhomyou
purchasedyourvehicle.
WARNING!
Modifyingyourvehiclecanmake
itunsafe.Somemodicationscan
affectyourvehicle'selectricalsys-
tem,stability,orotherimportant
functions.Beforemodifyingyour
vehicle,checkwithyourdealerto
makesureitcanbedonesafely.
Impropermodicationscancause
deathorpersonalinjury.
AdditionalSourcesof
Information
InstalledEquipment-Operator's
Manuals
Majorcomponentsuppliersalsosupply
operationmanualsspecictotheir
products.Additionalmanualsand
otherpiecesofliteratureareincludedin
thegloveboxliteraturepackage.Look
forinformationonproductssuchas
theengine,driver'sseat,transmission,
axles,wheels,tires,ABS/ESC(if
applicable),radio,5thwheel.Ifyou
aremissingthesepiecesofliterature,
askyourDealerforcopies.
(03/17)Y53-6060-1C11-9
1
INTRODUCTION
OtherSources
Anotherplacetolearnmoreabout
truckingisfromlocaltruckdriving
schools.Contactonenearyoutolearn
aboutcoursestheyoffer.
Federalandstateagenciessuch
asthedepartmentoflicensingalso
haveinformation.TheInterstate
CommerceCommissioncangive
youinformationaboutregulations
governingtransportationacrossstate
lines.
1-10Y53-6060-1C1(03/17)
1
CABANDFRAMEACCESS
CABANDFRAME
ACCESS
Safety
WARNING!
Alwaysreinstallstepsbeforeenter-
ingthecaboraccessingthedeck
plate.Withoutstepsyoucouldslip
andfall.Failuretocomplymayre-
sultindeathorpersonalinjury.
Becarefulwheneveryougetintoorout
ofyourvehicle’scab.Alwaysmaintain
atleastthreepointsofcontactwith
yourhandsonthegrabhandlesand
yourfeetonthesteps.
WARNING!
Jumpingoutofthecaborgetting
intothecabwithoutpropercaution
isdangerous.Youcouldslipand
fall,whichcouldleadtodeathor
personalinjury.Keepstepsclean.
Cleananyfuel,oil,orgreaseoffof
thestepsbeforeenteringthecab.
Usethestepsandgrabhandles
provided,andalwayskeepatleast
threepointsofcontactbetweenyour
handsandfeetandthetruck.Al-
waysfacetowardthevehiclewhen
enteringorexitingthecabandlook
whereyouaregoing.
Thefollowingpictureshowsthebest
waytoenterandexitaConventional
Cab.
(03/17)Y53-6060-1C11-11
1
CABANDFRAMEACCESS
DoorLockandKeys
DoorLock
Doorscanbelockedfromtheinsideby
usingthelockbutton.Closethedoor
thenpushthebuttondowntolock.
Doorsautomaticallyunlockwhenyou
openthemfrominside,andcanbe
lockedfromtheoutsidewiththekeyor
theoptionalremotekeylessentrykey
fob.
WARNING!
Toreducethechanceofdeathor
personalinjury,alwayslockthe
doorswhiledriving.Alongwithusing
thelapshoulderbeltsproperly,lock-
ingthedoorshelpspreventdoors
frominadvertentlyopeningandoc-
cupantsfrombeingejectedfromthe
vehicle.
Tolockorunlockthedoorsfrom
outsidethecab,insertthekeyinthe
lock.Turnthekeytowardtherearto
lock;forwardtounlock.
Keys
Thesamekeytsyourignition,doors,
andsleeperluggagecompartment.
Frame-mountedtoolboxlocksand
lockingfueltankcapseachhave
individualkeys.
1-12Y53-6060-1C1(03/17)
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CABANDFRAMEACCESS
RemoteKeylessEntry(RKE)
(Optional)
Thisvehiclemaybeequippedwitha
RemoteKeylessEntry(RKE)system
thataddssecurityandconvenience
toyourvehicle.Thesystemwill
lockorunlockthedriver’sdoorand
passenger’sdoorwiththekeyfoband
alertyouwithparkinglightswhenthe
selecteddoorsarelockedorunlocked.
Thesystemincludestwokeyfobsthat
providesecurerollingcodetechnology
thatpreventssomeonefromrecording
theentrysignal.
NOTE
FCCID:L2C0031TIC:3432A-
0031TFCCID:L2C0032RIC:
3432A-0032RThisdevicecomplies
withPart15oftheFCCRulesand
withRSS-210ofIndustryCanada.
Operationissubjecttothefollowing
twoconditions:(1)Thisdevicemay
notcauseharmfulinterference,and
(2)Thisdevicemustacceptanyin-
terferencereceived,includinginter-
ferencethatmaycauseundesired
operation.Changesormodica-
tionsnotexpressivelyapprovedby
thepartyresponsibleforcompliance
couldvoidtheuser'sauthoritytoop-
eratetheequipment.Theterm"IC:"
beforetheradiocerticationnumber
onlysigniesthatIndustryCanada
technicalspecicationsweremet.
Operation
ToUnlockTheDriver’sDoor
PresstheUNLOCKbuttononce.The
driver'sdoorwillunlockandtheparking
lightswillcomeonfor40seconds.
ToUnlockThePassenger’sDoor
PresstheUNLOCKbuttononceand
pressagainwithin5seconds.The
passengerdoorwillunlock.
ToLockAllDoors
PresstheLOCKbutton.Thedoorswill
lockandtheparkinglightswillcome
onfor2seconds.Ifthedoorsareopen
theywillnotlock.Therangeofthe
RKEsystemshouldbeapproximately
30ft.Thiswillbereducedifitis
operatedclosetootherRFsources
suchasTV/radiotransmittersandcell
towers.
(03/17)Y53-6060-1C11-13
1
CABANDFRAMEACCESS
Batteries
ThekeyfobusesoneCR2032,
3Vbattery.Batteriesshouldlast
approximatelythreeyears,depending
onuse.Consistentlyreducedrange
isanindicatorthatthebatteryneeds
replacement.Batteriesareavailable
atmostdiscount,hardwareanddrug
stores.
Thebatterycanbeaccessedby
removingthecoverofthekeyfob.
Afteranewbatteryisinstalled,the
keyfobmustbesynchronizedwiththe
vehicle.
Synchronization
Thekeyfobmayneedtobe
synchronizedtothetruckwhenthe
batteryisreplacedorwhenthekeyfob
hasnotbeenusedforanextended
periodoftime.
ToSynchronizeAKeyFob
1.Holdthekeyfobnearthereceiver
whichislocatedbehindthe
speedometerandtachometer.
2.PressandholdboththeLockand
Unlockbuttonsatthesametime
forapproximately7seconds.
3.Whenthekeyfobis
resynchronized,thedoors
willlockthenimmediatelyunlock.
4.Ifthefobfailstosynchronize,
itcouldbeprogrammedtoa
differenttruckorcouldhavefailed.
Contactyourdealertore-program
yourkeyfob.
ClimbingOntotheDeck
Plate
WARNING!
Whenyouareclimbingontoand
offthedeckplate,maintainatleast
threepointsofcontactwithyour
handsonthegrabhandlesandyour
feetonthesteps.Alwaysfaceto-
wardthevehiclewhenenteringor
exitingthecabandlookwhereyou
aregoing.Failuretocomplymay
resultindeathorpersonalinjury.
WARNING!
Whensteppingontoasurfacetoen-
terthecaboraccessthedeckplate,
onlyusethestepsandgrabhan-
dlesinstalledanddesignedforthat
purpose.Failuretousetheproper
stepsandgrabhandlescouldcause
afallwhichmayresultindeathor
personalinjury.
1-14Y53-6060-1C1(03/17)
1
CABANDFRAMEACCESS
WARNING!
Keepstepsclean.Cleananyfuel,
oil,orgreaseoffthestepsbefore
enteringthecaboraccessingthe
deckplate.Steppingonaslippery
surfacecancauseafallwhichmay
resultindeathorpersonalinjury.
WARNING!
Alwaysreinstallstepsbeforeenter-
ingthecaboraccessingthedeck
plate.Withoutstepsyoucouldslip
andfall.Failuretocomplymayre-
sultindeathorpersonalinjury.
NOTE
Anyalteration(addingbulkheads,
headacheracks,toolboxes,etc.)
behindthecabthataffectstheuti-
lizationofinstalledgrabhandles,
deckplates,orframeaccesssteps
shouldcomplywithFederalMotor
CarrierSafetyRegulation399.
Thefollowingpicturesshowyouthe
rightwaytogetonandoffthearea
behindyourcab.
Holdhandlesasyoustepup.
Maintainthreepointsofcontact.
(03/17)Y53-6060-1C11-15
1
GETTINGTOYOURENGINE
GETTINGTOYOUR
ENGINE
HoodHoldDowns
Thehoodissecuredinitsclosed
positionbyanexternallatchon
eachside.Theselatchesserveas
holddownsandkeepthehoodfrom
openingunexpectedly.
CAUTION
Ifyoudonotlatchthehoodsecurely,
itcouldopenduringoperationand
causevehicledamage.Besureto
latchthehoodsecurelybeforemov-
ingthevehicle.
Toopenthehood,unlatchbothofthe
hoodholddowns.
1.HoodLatchintheClosedPosition
2.PullLatchtoOpen
1-16Y53-6060-1C1(03/17)
1
GETTINGTOYOURENGINE
3.PullUptoSeparate 4.HoodLatchintheOpenPosition
HoodTilt
WARNING!
Apivotinghoodcouldhurtsome-
oneorbedamageditself.Before
openingorclosingthehood,besure
therearenopeopleorobjectsinthe
way.Failuretostandinapositionof
safetycancausedeathorpersonal
injury.
WARNING!
Beforeopeningthehood,makesure
yourfootingissecureandstable.
Failuretodosomaycausethehood
tocloseuncontrollablywhichmay
resultindeathorpersonalinjury.
Putonehandonthehoodhandle(just
abovethePeterbiltemblem),onefoot
onthebumper,andonefootonthe
ground.Tiltthehoodforward.
(03/17)Y53-6060-1C11-17
1
GETTINGTOYOURENGINE
Pullwithhandfromhere
Locatethehoodsafetycableasshown
inthefollowingsectionandattachitto
thehookonthehood.
Toclosethehood,youmustrst
detachthehoodsafetycablefromthe
hookonthehood.
WARNING!
Beforeclosingthehood,besurethe
areaisclear—nopeopleorobjects
areintheway.Failuretodosomay
resultindeathorpersonalinjury.
CAUTION
Toavoidhooddamagewhenclosing
thehood,detachthesafetycable
fromthehookonthehoodbefore
closingthehood.
HoodSafetyCable
Thehoodisequippedwithahood
safetycable.Thecableisonthe
driver’ssideoftheradiator.Unwind
thecablebypullingonitandattach
theloopofthecabletothehookon
thehood.
WARNING!
Alwaysattachthehoodsafetycable
tokeepahoodopenanytimeany-
onegetsunderahoodforanyrea-
son.Failuretodosomayallowthe
hoodtofallunexpectedlyresultingin
deathorpersonalinjury.
1-18Y53-6060-1C1(03/17)
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GETTINGTOYOURENGINE
Safetycableinitsstoredposition
Safetycableinitsattachedposition
(03/17)Y53-6060-1C11-19
1
SEATSANDRESTRAINTS
SEATSAND
RESTRAINTS
Introduction
Thissectioncoverstheoperation
andsafeuseofyourseats.For
furtherinformationonfeaturesand
adjustmentoftheseat,seethe
manufacturer'sServiceandOperation
Manualincludedwiththevehicle.
SeatAdjustment
WARNING!
Donotadjustthedriver'sseatwhile
thevehicleismoving.Theseat
couldmovesuddenlyandunexpect-
edlyandcancausethedriverto
losecontrolofthevehicle.Makeall
adjustmentstotheseatwhilethe
vehicleisstopped.Afteradjusting
theseatandbeforedrivingoff,al-
wayschecktoensurethattheseat
isrmlylatchedinposition.Failure
tocomplymayresultindeath,per-
sonalinjuryorpropertydamage.
WARNING!
Beforedrivingorridinginvehi-
cle,ensurethatthereisadequate
headclearanceatmaximumupward
travelofseat.Injurymayoccurif
headclearanceisnotadequate.
Failuretocomplymayresultindeath
orpersonalinjury.
StandardDriver'sSeat
Thestandarddriver'sseatcanbe
adjustedforwardandrearward.These
movementsareeachcontrolledby
leverslocatedontheFRONTofthe
seat.
Driver'sSeatwithAirSuspension
(Option)
WARNING!
Beforedrivingorridinginthevehi-
cle,besurethatthereisadequate
headclearanceatmaximumupward
travelofseat.Seriousinjurymay
occurifheadclearanceisnotade-
quate.
Thedriver'sseatwithairsuspension
canbeadjustedusingthecontrols
pictured.
1-20Y53-6060-1C1(03/17)
1
SEATSANDRESTRAINTS
SafetyRestraintBelts
Safetybeltshaveproventobethe
singlemosteffectivemeansavailable
forreducingthepotentialforeither
deathorpersonalinjuryinmotor
vehicleaccidents.Unbeltedriders
couldbethrownintothewindshield
orotherpartsofthecaborcouldbe
thrownoutofthecab.Theycould
strikeanotherperson.Injuriescanbe
muchworsewhenridersareunbelted.
Alwaysfastenyourseatbeltandbe
sureanyoneridingwithyoudoesthe
same.Therefore,readthefollowing
instructionsandalwaysobserveuser
warningspertainingtosafetybelts.
WARNING!
Donotdrivevehiclewithoutyour
seatbeltandyourridersbeltsfas-
tened.Ridingwithoutasafetybelt
properlyfastenedcanleadtodeath
orpersonalinjuryinanemergency.
WARNING!
Invehiclesequippedwithpassenger
seatswivelfunction,theseatbelts
willonlyperformtheirintendedfunc-
tionwhentheseatisfacingforward.
Failuretocomplycanleadtodeath
orpersonalinjuryinanemergency.
Yourvehicleisequippedwithaseatbelt
indicatorinthewarninglightdisplay
(03/17)Y53-6060-1C11-21
1
SEATSANDRESTRAINTS
abovethespeedometer/tachometer
(see"SeatBelt,Fasten"onpage3-23).
Lap/ShoulderBelt
Thecombinationlap-shoulderbeltis
equippedwithalockingmechanism.
Thesystemadjustsautomaticallytoa
person'ssizeandmovementsaslong
asthepullonthebeltisslow.
Hardbrakingoracollisionlocksthe
belt.Thebeltwillalsolockwhen
drivingupordownasteephillorina
sharpcurve.
Tofastenthebelt:
1.Graspthebelttongue.
2.Pullbeltinacontinuousslow
motionacrossyourchestandlap.
3.Insertbelttongueintobuckleon
inboardsideofseat.
4.Pushdownuntilthetongueis
securelylockedwithanaudible
click.
5.Pullbelttocheckforproper
fasteningandadjustment,as
follows:
•Pullshouldersectiontomakesure
belttssnuglyacrossthechest
andpelvis.
•Thereshouldbelessthan1inch
(25mm)gapbetweenthebody
andthebelt.
•Theshoulderbeltmustbe
positionedovertheshoulder,it
mustneverrestagainsttheneck
orbewornunderthearm.
•Makesureanyslackiswoundup
ontheretractorandthatthebelt
isnottwisted.
Tounfastenthebelt:
1.Pushinthereleasebuttononthe
buckle.
2.Thebeltwillspringoutofthe
buckle.
1-22Y53-6060-1C1(03/17)
1
SEATSANDRESTRAINTS
Ifthebeltislocked,leanthebodyback
toremoveanytensioninthebelt.After
releasingthebelt,allowthebeltto
retractcompletelybyguidingthebelt
tongueuntilthebeltcomestoastop.
SafetyRestraintBelts
LapBelt
ShoulderBelt
CorrectIncorrect(toohighonhips)Correct(overarm)Incorrect(under
arm)
Incorrect(twisted)
(03/17)Y53-6060-1C11-23
1
SEATSANDRESTRAINTS
WARNING!
Properseatbeltadjustmentanduse
isimportanttomaximizeoccupant
safety.Failuretowearoradjust
thesafetybeltproperlymayresultin
deathorpersonalinjury.
TetherBelts
Thisvehiclemayhaveanexternal
tetherbeltinstalledwithaseat,instead
oftheinternaltetheringdevice.T ether
beltsaredesignedtorestraintheseat
intheeventofasuddenstoporan
accident.
Internaltetherbeltsdonotrequire
adjustment.
WARNING!
Donotremove,modify,orreplace
thetetherbeltsystemwithadiffer-
enttethersystem.Afailedormiss-
ingtetherbeltcouldallowtheseat
basetofullyextendintheeventof
anaccident.Failuretocomplymay
resultindeathorpersonalinjury.
WARNING!
Failuretoadjusttetherbeltsproperly
cancauseexcessivemovementof
theseatinanaccident.Tetherbelts
shouldbeadjustedsothattheyare
tautwhentheseatisinitsmostup-
wardandforwardposition.Failure
tocomplymayresultindeathorper-
sonalinjury.
1-24Y53-6060-1C1(03/17)
1
SEATSANDRESTRAINTS
Toadjustanexternaltetherbelt
•Makesurethatthetetherbeltis
attachedtothecaboorandseat
frame.Itshouldberoutedthrough
thebuckleoneachside.
•Oftentheattachmentsaremade
usingasplit-typehook.Makesure
bothhalvesofthehookarearound
theanchorbracket.
•Tolengthenthetether,turnthe
buckletoarightangletothe
webbing.Thenpullthebuckle.
Toshortenthetether,pullonthe
strap.
Komfort-Latch®Feature
Yourvehicleincludesafeature
designedtoeliminatecinchingand
provideimprovedsafetyandcomfort.
Cinchingistheconditionwhereabelt
becomescontinuallytighteraround
youduringarough,bouncyride.The
needforthisfeatureincreaseswith
roughroadconditions,particularlyover
longdistances.
Toeliminatecinching,simplyactivate
theKomfort-Latchfeaturelocated
ontheseatbeltwebbingatthe
appropriatetime.
1.Adjusttheseattoitsproperdriving
position.
2.Latchtheseatbelt.
3.Ifavailable,adjusttheseatbelt
heightadjustertoacomfortable
drivingposition.
4.Whileseatedappropriately,push
the"on"buttontoengagethe
KomfortLatch.
5.Learnforwardintheseatuntilyou
heara"click."
6.Returntonormaldrivingposition,
andtheKomfortLatchmaintains
thepresetamountoftensionrelief.
Todisengagethemechanism:
1.Unbuckletheseatbelt
2.Pressthe"OFF"buttonofthe
KomfortLatchortugonthe
shoulderstrap.
(03/17)Y53-6060-1C11-25
1
SEATSANDRESTRAINTS
Komfort-Latch®
Moreinformationandvideo
tutorialscanbefoundat:
www.clicktugsnug.com.
WARNING!
DonotsettheKomfortLatchwithtoo
muchslack.Toomuchslackmay
reducetheeffectivenessoftheseat
belt.Failuretocomplymayresultin
deathorpersonalinjury.
DuringPregnancy
Pregnantwomenshouldalwayswear
combinationlap/shoulderbelts.The
lapbeltportionmustbewornsnugly
andaslowaspossibleacrossthe
pelvis.Toavoidpressureonthe
abdomen,thebeltmustneverpass
overthewaist.Aproperlywornseat
beltmaysignicantlyreducetherisks
towomanandbabyintheeventofa
crash.
1-26Y53-6060-1C1(03/17)
1
SEATSANDRESTRAINTS
PregnantWomanwithBeltProperly
Worn
BeltDamageandRepair
Damagedbeltsinthecabmust
bereplaced.Beltsthathavebeen
stretched,cut,orwornoutmaynot
protectyouinanaccident.
Ifanyseatbeltisnotworkingproperly,
seeanAuthorizedServiceCenterfor
repairorreplacement.
Forfurtherinformationonseatbelts
andseatbeltmaintenance,seeSafety
RestraintSystem-Inspectiononpage
5-75.
SafetyRestraintTips
•Donotwearabeltoverrigidor
breakableobjectsinoronyour
clothing,suchaseyeglasses,
pens,keys,etc.,asthesemay
causeinjuryinanaccident.
•Anyauthorizedpersonsleeping
inyourvehiclewhileitismoving
shouldusethebunkrestraint.
•Anyauthorizedpersonsittingin
thesleeperareaonthesofabed
(ifequipped)whileitismoving
shouldwearaseatbelt.
•Aresponsibleoperatorseestoit
thateveryoneinthevehiclerides
orsleepssafely.Theoperator
isresponsibletoinformany
passengersorco-drivershowto
properlyusetheseatbeltsand
bunkrestraintinthevehicle.
•Donotstrapinmorethanone
personwitheachbelt.
(03/17)Y53-6060-1C11-27
1
SEATSANDRESTRAINTS
•Keepseatbeltandbunkrestraint
bucklesfreeofanyobstruction
thatmaypreventsecurelocking.
•Damagedorwornbeltsinthecab
orsleeper,subjectedtoexcessive
stretchforcesfromnormalwear,
mustbereplaced.Theymay
notprotectyouifyouhavean
accident.
•Anybeltsorrestraintsthathave
beensubjectedtoanaccident
shouldbeinspectedforanyloose
(attaching)hardwareordamaged
buckles.
•Ifbeltsshowdamagetoanypart
ofassembly,suchaswebbing,
bindings,bucklesorretractors,
theymustbereplaced.
•Donotallowsafetybelts(seat
orbunk)tobecomedamagedby
gettingcaughtindoor,bunkor
seathardware,orrubbingagainst
sharpobjects.
•Allbeltsmustbekeptcleanorthe
retractorsmaynotworkproperly.
•Neverbleachordyeseatorbunk
restraintbelts:chemicalscan
weakenthem.Do,however,keep
themcleanbyfollowingthecare
labelonthebelts.Letthemdry
completelybeforeallowingthem
toretractorbestowedaway.
•Makesuretheseatbeltsand
bunkrestraintoftheunoccupied
passengerseatorbunkisfully
wounduponitsretractoror
isstowed,sothatthebeltor
restrainttongueisinitsproperly
stowedposition.Thisreducesthe
possibilityofthetonguebecoming
astrikingobjectincaseofa
suddenstop.
•Donotmodifyordisassemblethe
seatbeltsorbunkrestraintinyour
vehicle.Theywillnotbeavailable
tokeepyouandyourpassengers
safe.
•Ifanyseatbeltorbunkrestraint
isnotworkingproperly,seean
authorizeddealerforrepairor
replacement.
1-28Y53-6060-1C1(03/17)
1
START-UP
START-UP
Introduction
Thefollowingsectioncoversstart-up
proceduresforgettingyourvehicle
readyfortheroad.
SafeVehicleOperation
Foryoursafety,aswellasthose
aroundyou,bearesponsibledriver:
•Ifyoudrinkalcohol,donotdrive.
•Donotdriveifyouaretired,ill,or
underemotionalstress.
Safedrivingisonlypossiblewiththe
properconcentrationonthedriving
task.Keepdistractiontoaminimumto
improveyourconcentration.Examples
ofdistractionsmayincluderadio
controls,GPSnavigationcontrols,
cellulartelephonecalls,cellulartext
messages,readingorreachingfor
somethingontheoor.Minimizing
yourdistractionswillimprovesafe
drivingandwillhelpavoidanaccident
involvingdeathorpersonalinjury.
Beawareoflocalregulationsthatmay
prohibittheuseofcellulartelephones
whiledriving.Inadditiontobeingan
unsafepractice,itmaybeagainstlocal
orfederalordinancestousecellular
deviceswhileoperatingthevehicle.
Muchhasgoneintothemanufacturing
ofyourvehicleincludingadvanced
engineeringtechniques,rigidquality
control,anddemandinginspections.
Thesemanufacturingprocesseswill
beenhancedbyyou,thesafedriver,
whoobservesthefollowing:
•Knowsandunderstandshowto
operatethevehicleandallits
controls.
•Maintainsthevehicleproperly.
•Usesdrivingskillswisely.
Formoreinformation,referto
DepartmentofTransportation
Regulation392.7,whichstatesthat
interstatecommercialmotorvehicles
arenottobedrivenunlessthedriveris
surethatcertainpartsandaccessories
areinworkingorder.
(03/17)Y53-6060-1C11-29
1
START-UP
WARNING!
Theuseofalcohol,drugs,andcer-
tainmedicationswillseriouslyim-
pairperception,reactions,anddriv-
ingability.Thesecircumstancescan
substantiallyincreasetheriskofan
accident.Failuretocomplymayre-
sultindeath,personalinjury,equip-
mentorpropertydamage.
Donotdrinkalcoholanddrive.Your
reexes,perceptions,andjudgment
canbeaffectedbyevenasmall
amountofalcohol.Youcouldhavea
seriousorevenfatalaccident,ifyou
driveafterdrinking.Pleasedonot
drinkanddriveorridewithadriver
whohasbeendrinking.
WARNING!
Donottextanddrive.Yourreac-
tiontime,perceptionsandjudgment
canbeaffectedwhiletextingorus-
inganyotherformofmobilemes-
sagingwhiledriving.Failuretocom-
plymayresultindeath,personalin-
jury,equipmentorpropertydamage.
VehicleLoading
Compareyourvehicle'sloadcapacity
withthetotalloadyouarecarrying.If
adjustmentsneedtobemade,make
them,donotdriveanoverloaded
vehicle.Ifyouareoverloadedoryour
loadhasshifted,yourvehiclemaybe
unsafetodrive.
WARNING!
Donotexceedthespeciedloadrat-
ing.Overloadingcanresultinloss
ofvehiclecontrol,eitherbycausing
componentfailuresorbyaffecting
vehiclehandling.Exceedingload
ratingscanalsoshortentheservice
lifeofthevehicle.Failuretocomply
mayresultindeathorpersonalin-
jury.
Thegrossvehicleweightrating
(GVWR),orthemaximumfront
andreargrossaxleweightratings
(GAWRs)aredeterminedbythe
1-30Y53-6060-1C1(03/17)
1
START-UP
componentsinstalledfromthefactory
ontothevehicleandtheirdesigned
specications.(Axleweightratingsare
listedonthedriver'sdooredge.)
Thefollowingaresomedenitionsof
weightyoushouldknow:
GVWR:istheGrossVehicleWeight
Rating.ThisistheMAXIMUM
WEIGHTyourvehicleisallowedto
carry,includingtheweightoftheempty
vehicle,loadingplatform,occupants,
fuel,andanyload.Neverexceedthe
GVWRofyourvehicle.
GCW:istheactualcombinedweight,
orGrossCombinationWeight(GCW),
ofyourvehicleanditsload:vehicle,
plustrailer(s),pluscargo.
GAWR:istheGrossAxleWeight
Rating.Thisisthetotalweightthat
oneaxleisdesignedtotransmittothe
ground.Youwillndthisnumberlisted
onthedriver'sdooredge.
LoadDistribution:besureanyload
youcarryisdistributedsothatnoaxle
hastosupportmorethanitsGAWR.
WARNING!
Anunevenlydistributedloadora
loadtooheavyoveroneaxlecanaf-
fectthebrakingandhandlingofyour
vehicle,whichcouldresultinanac-
cident.Evenifyourloadisunderthe
legallimits,besureitisdistributed
evenly.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.
EmergencyEquipment
Itisgoodpracticetocarryan
emergencyequipmentkitinyour
vehicle.Oneday,ifyouhavea
roadsideemergency,youwillbeglad
thefollowingitemsarewithyou:
•windowscraper
•snowbrush
•containerorbagofsandorsalt
•emergencylight
•warningtriangles
•smallshovel
•rstaidkit
•reextinguisher
•vehiclerecoveryhitches(see
VehicleRecoveryGuidelineson
page2-12fordetails).
(03/17)Y53-6060-1C11-31
1
START-UP
Driver'sCheckList
Tokeepyourvehicleintopshapeand
maintainahighlevelofsafetyforyou,
yourpassengers,andyourload,make
athoroughinspectioneverydaybefore
youdrive.Youwillsavemaintenance
timelater,andthesafetychecks
couldhelppreventaseriousaccident.
Pleaseremember,too,thatFederal
MotorCarrierSafetyRegulation392.7
requiresapre-tripinspectionandso
docommercialtruckingcompanies.
Youarenotexpectedtobecomea
professionalmechanic.Thepurpose
ofyourinspectionsistondanything
thatmightinterferewiththesafeand
efcienttransportationofyourself,any
passengers,andyourload.Ifyoudo
ndsomethingwrongandcannotxit
yourself,haveanauthorizeddealeror
qualiedmechanicrepairyourvehicle
rightaway.
Thefollowingoperationsaretobe
performedbythedriver.Performing
thesechecksandfollowingthe
maintenanceproceduresinthis
manualwillhelpkeepyourvehicle
runningproperly.
ApproachingYourVehicle
•Checktheoverallappearanceand
condition.Arewindows,mirrors,
andlightscleanandunobstructed?
•Checkbeneaththevehicle.Are
theresignsoffuel,oil,orwater
leaks?
•Checkfordamaged,loose,or
missingparts.Arethereparts
showingsignsofexcessivewear
orlackoflubrication?Havea
qualiedmechanicexamineany
questionableitemsandrepair
themwithoutdelay.
•Checkyourload.Isitsecured
properly?
1-32Y53-6060-1C1(03/17)
1
START-UP
DailyChecks
EngineCompartmentChecks-Daily
1.EngineFluidLevels-addmoreif
necessary.
a.Engineoil
b.Coolant(checkwhileengine
iscold)
c.Powersteeringuidlevel
2.EngineBelt-checktensionand
conditionofbelts.
a.SeeAccessoryDriveBelts
onpage5-102forfurther
informationoncheckingbelt
tension.
NOTE
Deectionshouldbeonebeltthick-
nessforeachfootdistancebetween
thepulleycenters.
b.Replacebeltsthatarecracked
tornorbroken.
3.FuelFilter/WaterSeparator
Draining-checkanddrain.
Dependingonthefuelstorage
facility,morefrequentdraining
mayberequired.
4.Windshieldwasherreservoiruid
level-llifnecessary.
5.BatteryCables-checkthe
conditionofthebatteryand
alternatorcablesforsignsof
changorrubbing.Makesure
thatallclamps(straps)holdingthe
cablesarepresentandingood
workingorder.
6.Hoodclosedbeforeenteringcab.
Isitlatchedproperly?
7.Checkbrakelinesandhoses.
8.Checkthesteeringcomponents
(pitmanarm,draglink,power
steeringhoses,etc.).
ChassisandCabChecks-Daily
Beforeenteringthecabandoperating
thevehicle,checkthefollowing
equipmentforpropermaintenance:
1.Lights-areanyexteriorlights
crackedordamaged?
2.WindowsandMirrors-arethey
cleanandadjustedproperly?
3.TiresandWheels-arethey
inatedproperly?Areallwheel
capnutsinplaceandtorqued
properly-tightenifnecessary.
Checkfrontwheelbearingoil
levels.Inspectalltiresandwheels
fordamage-correctiffound.
4.Suspension-checkforlooseor
missingfasteners.Checkdamage
tospringsorothersuspension
partssuchascracks,gouges,
distortions,bulgesorchang.
(03/17)Y53-6060-1C11-33
1
START-UP
5.BrakeComponents-checklines,
linkages,chambers,parkingand
servicebrakeoperation.
6.Ifyourtruckhashydraulicbrakes,
check:
°thebrakesystemforleaks
°hydrauliclinesforcracksor
kinks
°calipersforleaks
7.AirSystem-arethereleaks?
AirTanks-drainwaterfromallair
tanks.Makesurethedraincocks
areclosed.Thisprocedureisalso
requiredforairsuspensiontanks
equippedwithautomaticdrain
valves.
ForfurtherdetailsSeeUsingthe
BrakeSystemonpage4-24.
8.StepsandHandholds-check
forwornsurfacesandlooseor
missingfasteners(whichincludes
anyfueltanksteps).
9.FluidTanks(Fuel,DEF,etc.)-
checkunderneaththevehiclefor
signsofuidleaks.Ifanyare
found,correctbeforeoperatingthe
vehicle.
10.FuelT ankHardware-arethe
tanksllcapssecure?Arethe
tankstrapstight?Isthestrap
webbinginplace?
WARNING!
Dieselfuelinthepresenceofanig-
nitionsource(suchasacigarette)
couldcauseanexplosion.Donotre-
moveafueltankcapnearanopen
ame.Useonlythefueland/oraddi-
tivesrecommendedforyourengine.
Amixtureofgasolineoralcoholwith
dieselfuelincreasesthisriskofex-
plosion.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.SeeRefueling
onpage4-67,formoreinformation.
11.TrailerConnections-arethey
secureandthelinesclear?If
theyarenotbeingused,arethey
storedproperly?
a.Isthetrailersparewheel
secureandinated?
b.Isthelandinggearupandthe
handlesecured?
12.Checkthefthwheel.Isthe
kingpinlocked?
a.Istheslidingfthwheel
locked?
CabInterior-Daily
1.Seat-adjusttheseatforeasy
reachofcontrolsandvisibility.
2.SeatBelts-fastenandadjust
safetyrestraintbelts(whichmay
includerestraintsinthesleeper).
3.SteeringColumn-adjustforeasy
reachandvisibility.
1-34Y53-6060-1C1(03/17)
1
START-UP
4.Mirrors-checkandreadjust
mirrorsifnecessary.
5.Lights-turnignitionkeytotheON
positionandcheckforwarning
lightsandbuzzer.Checkoperation
ofturnsignalsandemergency
lights.
6.Instruments-checkall
instruments.
7.Windshield-checkoperationof
windshieldwipersandwashers.
8.Horn-checkoperationofhorn.
9.Fuel-checkfuel.Isthereenough
fuel?
10.DieselExhaustFluid(DEF)-
checklevel.Isthereenoughuid?
11.Sleeperairconditioningairlter-
checktheconditionofthesleeper
airconditioningairlter.Keep
thesleeperoorareabehind
thepassengerfrontseatclearof
debrisandpethair.Thesleeper
airconditionerdrawsairfromthis
areaandexcessivedirtorpethair
mayshortentheservicelifeofthe
sleeperairconditioningairlter.
Theaboveitemsshouldbechecked
daily,asaminimum.Theyarein
additionto,notinplaceof,Federal
MotorCarrierSafetyRegulations.
Theseregulationsmaybepurchased
bywritingto:
SuperintendentofDocuments
U.S.GovernmentPrintingOfce
Washington,DC20402
WeeklyOperations
1.Battery-checkbatteryand
terminals.
2.WheelCapNuts-aretheyall
inplaceandtorquedproperly-
tightenifnecessary.SeeWheel
CapNutT orqueonpage5-149.
3.OtherControlsandWiring-check
forconditionandadjustment.
4.SteeringComponents-check
pitmanarm,draglink,andpower
steeringhoses,etc.,forloose,
broken,ormissingparts.
5.HVACFreshAirFilter-checkfor
conditionandcleanliness.
6.OtherEngineCompartment
Checks
a.Checkconditionandfastening
ofenginebelt,hoses,clamps,
andradiator.
(03/17)Y53-6060-1C11-35
1
START-UP
b.Checktheaircleaner,mufer,
andexhaustpipes.Arethey
tightandsecure?
c.Automatictransmissionuid
(whenapplicable)-Check
level,aftertheenginehas
warmeduptooperating
temperature.
1-36Y53-6060-1C1(03/17)
1
EMERGENCY
WHATTODOIF...
YouNeedRoadsideAssistance..........2-3
LowAirAlarmTurnsOn.............2-3
StopEngineLampTurnsOn...........2-4
EngineOilPressureLampTurnsOn........2-4
EngineisOverheating..............2-5
FuseorRelayBlows..............2-6
JUMPSTARTINGVEHICLES
Introduction..................2-8
VEHICLERECOVERYANDSPRINGBRAKES
VehicleRecoveryGuidelines..........2-12
ReturningVehicletoService..........2-20
SpringBrakes—ManualRelease........2-20
Sand,Mud,SnowandIce...........2-22
TowingtheVehicle..............2-23
(03/17)Y53-6060-1C12-1
2
WHATTODOIF...
WHATTODOIF...
YouNeedRoadside
Assistance
Calltoll-FREE1-800-4-PETERBILT
(1-800-473-8372)totalktosomeone
atthePACCARCustomerCenter.
•Open24-7-365daysayear
•Theycanhelpyougetroadside
assistance.
•Theyhaveacustommapping
systemwhichlocatesPeterbilt
dealersandIndependentService
Providers(ISPs)nearyouandlists
typesofservicesoffered,hoursof
operationandcontactinformation.
•Theycanassistwithjumpand
pullstarts,tires,trailers,nesand
permits,chains,towing,hazardous
clean-up,outoffuel(roadside),
mechanicalrepairsandpreventive
maintenanceservices.
•Theyhavebilingualagentsand
accesstoatranslationservice
toensurequalityassistance
forcustomerswhospeakany
language.
•Theycan’tansweryourwarranty
questionsbutcangetyouin
contactwithaPeterbiltdealerwho
can.
•ThePACCARCustomerCenter
serviceisFREEevenifyoudon’t
driveaPeterbilt.
LowAirAlarmTurnsOn
1.Slowdowncarefully.
2.Moveasafedistanceofftheroad
andstop.
3.Placethetransmissionin
neutral(parkwithautomatic
transmissions,ifequipped)and
settheparkingbrake.(Refer
toParkingBrakeValveon
page4-43andOperatingthe
Transmissiononpage4-22,for
transmissionshiftingandparking
brakeinformation.)
4.TurnOFFtheengine.
5.TurnONtheemergencyasher
anduseotherwarningdevicesto
alertothermotorists.
(03/17)Y53-6060-1C12-3
2
WHATTODOIF...
WARNING!
Iftheairpressurefallsbelow60
psi(414kPa)thespringbrakes
maystopthevehicleabruptly,which
couldcauseanaccidentresulting
indeathorpersonalinjury.Ob-
servetheredwarninglampsonthe
gauges.Ifonecomeson,donot
continuetodrivethevehicleuntilit
hasbeenproperlyrepairedorser-
viced.
Ifthelightandalarmdonotturnoffat
startup,donottrytodrivethevehicle
untiltheproblemisfoundandxed.
(RefertoUsingtheBrakeSystemon
page4-24,formorebrakeinformation.)
StopEngineLampTurnsOn
StopEngineLamp-If
theStopEnginewarning
lampilluminates,itmeans
youhaveaseriousengine
systemproblem.
WARNING!
Thisshouldbeconsideredanemer-
gency.Youshouldstopthevehicle
assafelyaspossibleandturnOFF
theignition.Thevehiclemustbe
servicedandtheproblemcorrected
beforedrivingagain.Failuretodo
somaycausesevereengineorDPF
damage,orcauseanaccidentwhich
mayresultindeathorpersonalin-
jury.
EngineOilPressureLamp
TurnsOn
EngineOilPressureLamp
-Iftheoilpressuresuddenly
drops,ortheaudiblealarm
andengineoilpressure
warninglightcomeonwhile
driving,dothefollowing:
1.Slowdowncarefully.
2.Moveasafedistanceofftheroad
andstop.
3.Placethetransmissioninpark
andsettheparkingbrake.
(SeeParkingBrakeValveon
page4-43andOperatingthe
Transmissiononpage4-22,for
transmissionshiftingandparking
brakeinformation.)
4.TurnOFFtheengine.
5.TurnONtheemergencyasher
anduseotherwarningdevicesto
alertothermotorists.
2-4Y53-6060-1C1(03/17)
2
WHATTODOIF...
6.Waitafewminutestoallowoilto
drainintotheengineoilpan,and
thenchecktheoillevel.(SeeOil
LevelCheckonpage5-100,for
detailsoncheckingoillevel.)
7.Addoilifnecessary.Iftheproblem
persists,contactanauthorized
dealerassoonaspossible.
CAUTION
Continuingtooperateyourvehicle
withinsufcientoilpressuremay
causesevereenginedamageor
causeanaccidentwhichmayresult
inequipmentorpropertydamage.
Itisimportanttomaintainoilpressure
withinacceptablelimits.Ifoilpressure
dropsbelowtheminimumpsi(kPa)a
RedWarningLampontheoilpressure
gaugewillilluminateandtheStop
EngineLampwillcomeON.
EngineisOverheating
Thecoolingsystemmayoverheatif
thecoolantlevelisbelownormalorif
thereissuddenlossofcoolant,such
asasplithose.Thesystemmayalso
temporarilyoverheatduringsevere
operatingconditionssuchas:
•Climbingalonghillonahotday
•Stoppingafterhigh-speeddriving
Ifeitheroneoftheaboveoccurs,DO
NOTTURNOFFTHEENGINEunless:
a)theLowWaterwarningdevice
indicatesalossofcoolant,b)theRed
Warninglamp(onthegauge)and
CheckEnginelampcomesON,c)the
Buzzersoundsshowinganoverheat
condition,ord)ifyouhaveanyother
reasontosuspecttheenginemaybe
overheating-followthesesteps.
1.Reduceenginespeedand
stop.Whenstopped,placethe
transmissioninNeutralandsetthe
parkingbrake.(SeeParkingBrake
Valveonpage4-43andPutting
theVehicleinMotiononpage
4-19,fortransmissionshiftingand
parkingbrakeinformation.)Keep
theenginerunning.
2.ChecktoensuretheOilPressure
Gaugereadsnormal.
3.Makesuretheenginefanis
turningbyswitchingtheEngine
FanSwitchfromAUTOtoMAN
(Manual).
4.Increasetheenginespeedto
aboutone-halfoffulloperating
speed,or1,100to1,200rpm,
maximum.
5.Returntheenginespeedtonormal
idleafter2or3minutes.
6.Monitortheenginetemperature.
Afterthetemperaturereturnsto
normal,allowtheenginetoidle
3to5minutesbeforeshuttingit
(03/17)Y53-6060-1C12-5
2
WHATTODOIF...
off.Thisallowstheenginetocool
graduallyanduniformly.
7.Ifoverheatingcamefrom
severeoperatingconditions,the
temperatureshouldhavecooled
bythistime.Ifithasnot,stop
theengineandletitcoolbefore
checkingtoseeifthecoolantis
low.
Forfurtherinformationonengine
temperatureandoperatingengines
properly,seetheEngineOperation
andMaintenanceManualandStarting
&OperatingtheVehicleonpage4-5.
Checkthecoolantlevelaftereach
tripwhentheenginehascooled.
Thecoolantlevelshouldbevisible
withinthesurgetank—addcoolantif
necessary.SeeT oppingOffinEngine
CoolingSystemonpage5-80,for
instructionsoncheckingandllingthe
coolantexpansiontank.
WARNING!
Toreducethechanceofdeath,per-
sonalinjuryand/orvehicledamage
fromoverheatedengines,whichcan
resultinare,neverleavetheen-
gineidlingwithoutanalertdriver
present.Iftheengineshouldover-
heat,asindicatedbytheengine
coolanttemperaturelight,immedi-
ateactionisrequiredtocorrectthe
condition.Continuedunattended
operationoftheengine,evenfor
ashorttime,mayresultinserious
enginedamageorare.
WARNING!
Donotremovetheradiatorllcap
whiletheengineishot.Scalding
steamanduidunderpressuremay
escape.Youcouldbebadlyburned.
Failuretocomplymayresultindeath
orpersonalinjury.
FuseorRelayBlows
Fusesarelocatedbehindthedrivers
sidekickpanel,belowtheignition
switch,andaccessiblebyadoorpanel.
SeeFusePanelonpage5-88.
WARNING!
Donotreplaceafusewithafuseofa
higherrating.Doingsomaydamage
theelectricalsystemandcausea
re.Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
CAUTION
Beforereplacingafuse,turnOFFall
lightsandaccessoriesandremove
theignitionkeytoavoiddamaging
theelectricalsystem.
2-6Y53-6060-1C1(03/17)
2
WHATTODOIF...
CAUTION
Neverpatchfuseswithtinfoilor
wire.Thismaycauseseriousdam-
ageelsewhereintheelectricalcir-
cuit,anditmaycauseare.
CAUTION
Ifacircuitkeepsblowingfuses,have
theelectricalsysteminspectedfora
shortcircuitoroverloadbyanau-
thorizeddealerassoonaspossible.
Failuretodosocouldcauseseri-
ousdamagetotheelectricalsystem
and/orvehicle.
FuseInspectionandReplacement
Alltheelectricalcircuitshavefuses
toprotectthemfromashortcircuitor
overload.Ifsomethingelectricalon
yourchassisstopsworking,therst
thingyoushouldcheckforisablown
fuse.
1.TurnOFFalllightsandaccessories
andremovetheignitionkeyto
avoiddamagingtheelectrical
system.
2.Determinefromthechartonthe
fusepanelwhichfusecontrolsthat
component.
3.Removethatfuseandseeifitis
blown.
1Blown
Ifitisblown,replaceitwithafuseof
thesamerating.
Ifafuseofthesameratingisnot
available,afuseofalowerratingmay
betemporarilysubstituted.Youcan
alsouseafusefromacircuityoucan
dotemporarilywithout(forexamplean
accessorycircuitorradio).
CAUTION
Whenreplacingafailedcircuit
breaker,alwaysuseanapproved
circuitbreakerwithacurrentrat-
ingequaltoorlessthanthecircuit
breakerbeingreplaced.Onlyuse
theapprovedTypeIImodiedre-
setcircuitbreakers.NEVERuse
aTypeI(automaticreset)orType
III(manualreset)circuitbreaker.A
fusewithacurrentratingequaltoor
lessthanthecircuitbreakerbeing
replacedcanalsobeused.
(03/17)Y53-6060-1C12-7
2
JUMPSTARTINGVEHICLES
JUMPSTARTING
VEHICLES
Introduction
Jumpstartingavehicleisnota
recommendedpracticeduetothe
variousbatteryinstallationsand
electricaloptions.
However,ifyourbatteryisdischarged
(dead),youmaybeabletostartit
byusingenergyfromagoodbattery
inanothervehicle.Thisistermed
jumpstarting.Besuretofollowthe
precautionsandinstructionsbelow.
WARNING!
Batteriescontainacidthatcanburn
andgassesthatcanexplode.Ignor-
ingsafetyproceduresmayresultin
death,personalinjury,equipmentor
propertydamage.
WARNING!
Neverjumpstartabatterynearre,
ames,orelectricalsparks.Bat-
teriesgenerateexplosivegases
thatcouldexplode.Keepsparks,
ame,andlightedcigarettesaway
frombatteries.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
WARNING!
Neverremoveortamperwithbattery
caps.Ignoringthiscouldallowbat-
teryacidtocontacteyes,skin,fab-
rics,orpaintedsurfaces.Failureto
complymayresultindeath,personal
injury,equipmentorpropertydam-
age.
Becarefulthatmetaltools(orany
metalincontactwiththepositive
terminal)donotcontactthepositive
batteryterminalandanyothermetalon
thevehicleatthesametime.Remove
metaljewelryandavoidleaningover
thebattery.
2-8Y53-6060-1C1(03/17)
2
JUMPSTARTINGVEHICLES
ToJumpStartYourVehicle
WARNING!
Whenjumpstartingusingabattery
booster,itisbesttojumpstartwith
anequivalentlypoweredvehicle.
Verifythattheboosterbatteryhas
thesamevoltandCCAspecica-
tionsasthedeadbatterybefore
attemptingtojumpstart.Failure
tocomplymaycauseanexplosion
resultingindeath,personalinjury,
equipmentorpropertydamage.
CAUTION
Applyingahighervoltagebooster
batterymaycauseexpensivedam-
agetosensitiveelectroniccompo-
nents,suchasrelays,Electronic
Controlunitsorelectronicsingen-
eral.Failuretocomplymayresultin
equipmentdamage.
CAUTION
Improperhook-upofjumpercables
ornotfollowingtheseprocedures
candamagethealternatororcause
seriousdamagetobothvehicles.
WARNING!
Heedallwarningsandinstructions
ofthejumpercablemanufacturer.
Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
Preparingthevehicles:
1.Removeanypersonaljewelry
thatmaycomeincontactwiththe
batteryterminals.
2.Selectajumpercablethatislong
enoughtoattachtobothvehicles
inawaythatensuresneither
vehicletoucheseachother.
3.Positionthetwovehiclestogether,
butdonotallowthemtotouch.
4.TurnOFFalllights,heater,radio,
andanyotheraccessoryonboth
vehicles.
5.Settheparkingbrakes:pullout
theYellowbuttonlocatedonthe
dash.
6.Shiftthetransmissionintopark
positionorneutralformanual
transmissions.(SeeOperating
theTransmissiononpage4-22
andParkingBrakeValveonpage
4-43,fortransmissionshiftingand
parkingbrakeinformation.)
(03/17)Y53-6060-1C12-9
2
JUMPSTARTINGVEHICLES
7.Ifeithervehicleisequippedwith
batterydisconnectsensurethey
areinthe"OFF"positionpriorto
connectingthetwovehicles.
Connectthebatteries:
1.Attachoneendofajumpercable
tothepositive(+)terminalofthe
discharged(dead)battery.This
willhavealargered+orPonthe
batterycase,post,orclamp.
2.Attachtheotherendofthesame
cabletothepositive(+)terminal
ofthegood(booster)battery.
3.Attachtheremainingjumpercable
FIRSTtothenegative(-)terminal
(blackorN)ofthegoodbattery.
4.Attachtheotherendofthe
negativecabletoabaremetalpart
notboltedtotheengineblock.
NOTE
Alwaysconnectpositive(+)to
positive(+)andnegative(-)to
negative(-).
5.Ifeithervehicleisequippedwith
batterydisconnects,ensurethat
theyareinthe"ON"position.
6.Startthevehiclethathasthe
goodbatteryrst.Letitrunfor5
minutes.
7.Startthevehiclethathasthe
discharged(dead)battery.
Iftheenginefailstostart,donot
continuetocrankthestarterbut
contactthenearestauthorizeddealer.
2-10Y53-6060-1C1(03/17)
2
JUMPSTARTINGVEHICLES
Removejumpercables:
WARNING!
Whendisconnectingjumpercables,
makesuretheydonotgetcaughtin
anymovingpartsintheenginecom-
partment.Failuretocomplymayre-
sultindeath,personalinjury,equip-
mentorpropertydamage.
Reversetheaboveprocedureexactly
whenremovingthejumpercables.
Withenginerunning,disconnect
jumpercablesfrombothvehiclesin
theexactreverseorder,makingsure
torstremovethenegativecablefrom
thevehiclewiththedischargedbattery.
(03/17)Y53-6060-1C12-11
2
VEHICLERECOVERYANDSPRINGBRAKES
VEHICLERECOVERY
ANDSPRINGBRAKES
VehicleRecoveryGuidelines
Yourvehicleisequippedwith
removableRecoveryHitches,
designedforshortdistancerecovery
purposesonly.Useonlytheprovided
hitches,accordingthefollowing
instructions.Whenusingthis
connection,donottransportyour
vehicleoverlongdistances.(Ifyour
vehicledoesnothavetheproper
hitches,contactyourdealer.)
Alllubricatingandclutchapplication
oilpressureisprovidedbyan
engine-drivenpump,whichwillnot
workwhentheengineisstopped.
Youcouldseriouslydamageyour
vehiclebytowingitwiththedriveline
connectedandthedrivewheelson
theground.Worse,whenvehiclesare
towed,eitherbywreckerorpiggyback,
thelubricantinthetopfrontofthe
driveaxlewilldraintotherear.This
willleavethetopcomponentsdry.The
resultingfrictionmaydamagethem.
Alwaysremovethemaindriveaxle
shaftsbeforetowingyourvehicle.
CAUTION
Removethedriveaxleshaftsorlift
thedrivingwheelsoffthegroundbe-
foretowingthevehicle.T owingthe
vehiclewitheitherthewheelsonthe
groundortheaxleshaftsintheaxles
willcausedamagetotheaxlegears.
CAUTION
IfyourvehiclehasaMeritoraxle
withadriver-controlledmaindiffer-
entiallock,installthecagingboltbe-
foreremovingtheaxlesfortowing,
seeDriverControlledMainDifferen-
tialLockonpage2-16.Installing
thecagingboltpreventsdamageby
lockinginternalaxlecomponentsin
position.
CAUTION
ConnectonlytotheRecovery
Hitches,seeVehicleRecovery
Guidelinesonpage2-12.Connec-
tionstootherstructuralpartscould
damagethevehicle.Donotattach
tobumpersorbrackets.Useonly
equipmentdesignedforthispur-
pose.Failuretocomplymayresult
inequipmentdamage.
2-12Y53-6060-1C1(03/17)
2
VEHICLERECOVERYANDSPRINGBRAKES
1RecoveryHitchSockets
RecoveryProcedure
1.Reviewandunderstandallthe
cautionsandwarningsofthis
section,seeVehicleRecovery
Guidelinesonpage2-12.
2.Installtherecoveryhitches,see
RecoveryHitchInstallationon
page2-15.
3.Disconnectthedriveaxleshafts
andcovertheopenhubs.This
isnecessarybecauseifthe
transmissionisdrivenbythe
driveshaft(rearwheelsonthe
ground),nolubricantwillreach
thegearsandbearings,causing
damagetothetransmission.
4.Installtherecoveryriggingusinga
safetychainsystem,seeRecovery
Riggingonpage2-19.
5.Makesuretherecoveredvehicle's
parkingbrakesarereleased.
6.Ifyoudesiretousetherecovered
vehicle’sbrakes,ensurethat
thevehicle’sairsystemis
connectedtothatoftherecovery
vehicle.Ensurethatanyairline
thathasbeenremovedfroma
driver-controlledmaindifferential
lockisrmlycappedtoprevent
lossofairpressurefromthe
recoveryvehicleifitissupplying
airpressure.
Ifyoudon’tdesiretousethe
recoveredvehicle’sbrakes,
ensurethatyoucagethespring
brakesbeforeattemptingtomove
thevehicle,seeDriverControlled
MainDifferentialLockonpage
2-16.
(03/17)Y53-6060-1C12-13
2
VEHICLERECOVERYANDSPRINGBRAKES
WARNING!
Beforetowingavehicle,testyourair
brakestoensurethatyouhaveprop-
erlyconnectedandinspectedthere-
coveryvehicle’sbrakesystem.Fail-
uretodosocouldleadtoalossof
vehiclecontrolwhichmayresultinan
accidentinvolvingdeathorpersonal
injury.
7.Followstate/provincialandlocal
lawsthatapplytovehiclesintow.
8.Donottowvehiclesatspeedsin
excessof55mph(90km/h).
Foradditionalinformationconcerning
heavydutytruckrecovery,refertothe
followingT echnology&Maintenance
Council(TMC)literature.
•RecommendedPractice#602–A
—"FrontT owingDevicesFor
TrucksandTractors."
•RecommendedPractice#602–B
—"RecoveryAttachmentPoints
ForTrucks,Tractors,and
CombinationVehicles."
•RecommendedPractice#626
—"HeavyDutyTruckTowing
Procedures."
Copiesofthesecanbeobtainedfrom
thefollowingaddress:
Technology&MaintenanceCouncil
950N.GlebeRoad
(703)838-1763
Arlington,VA22203
Email:[email protected]
http://tmc.truckline.com
RecoveryHitchConnection
Speciallydesignedhitchesare
requiredtorecoveryourvehicle.The
recoveryhitchesattachtotheframe,
seeRecoveryHitchAssemblyonpage
2-15.
Twohitchassemblies,madeupofthe
followingparts,arerecommendedfor
theproperrecoveryofyourvehicle:
seeRecoveryHitchAssemblyonpage
2-15.
WARNING!
Donotusepartsfromothertrucksor
materialsfromothersourcestore-
pairahitchortoreplaceamissing
hitch.Thepartsprovidedforrecov-
eryaremadeofhighstrengthstill
specicallydesignedforvehiclere-
covery.Failuretousethecorrect
factoryequipmentmayresultinan
accidentinvolvingdeathorpersonal
injury.
2-14Y53-6060-1C1(03/17)
2
VEHICLERECOVERYANDSPRINGBRAKES
Ifyourvehicleisnotequippedwith
theproperrecoveryhitchassembly,
contactanauthorizeddealertoobtain
theproperequipment.
RecoveryHitchAssembly
1TowPin
2TowHitch
3SquareHitchSocket
4LockPin
5LockT ab
RecoveryHitchInstallation
Usethefollowingproceduretoinstall
theVehicleRecoveryHitches.See
RecoveryHitchAssemblyillustration
forpartidentication.
1.Checksquaresocketsbehind
lowerbumperforobstructions,
clearifnecessary.
2.Withlockpinsremoved,insert
hitchesthroughbumperandinto
thesquarehitchsocket.
3.Aligntheholeinthetowhitchwith
thesquarehitchsockethole.
4.Insertthelockpinintothesquare
hitchsocketholeandthrough
theholeinthetowhitchuntilthe
locktabiswithinthesquarehitch
socket.
5.Rotatethelockpin90degreesto
securethepininplace.
6.Removethehitchesandstoreall
partsafterrecoveringthevehicle.
DriverControlledMainDifferential
Followthesestepstolocka
driver-controlledmaindifferential.
WARNING!
Anopenairlineontherecovered
vehiclewillcausealeakintheair
systemoftherecoveryvehicleif
bothvehicles’brakesystemsare
connected.Thiscouldcausealoss
ofsystemair,whichcancausethe
servicebrakesnottofunction,re-
sultinginthesuddenapplicationof
thespringbrakescausingwheel
lock-up,lossofcontrol,orovertake
byfollowingvehicles.Youcould
beinanaccidentinvolvingdeath
orpersonalinjury.Ensurethatany
airlinethathasbeenremovedfrom
adriver-controlledmaindifferential
lockisrmlycappedtopreventloss
ofairpressurefromtherecovery
vehicleifitissupplyingairpressure.
(03/17)Y53-6060-1C12-15
2
VEHICLERECOVERYANDSPRINGBRAKES
DriverControlledMainDifferential
Lock
1AirLine(removetoinstall
CagingBolt)
2CagingBolt(instorage
location)
1.Liftdrivingwheelsofftheground
orremovethedrivelineandaxle
shaftsbeforetowingthevehicle.
CAUTION
Failuretoliftthedrivingwheelsoff
thegroundorremovethedriveline
andaxleshaftsbeforetowingtheve-
hiclecouldseriouslydamageyour
vehicle.Alllubricatingandclutchap-
plicationoilpressureisprovidedby
anengine-drivenpump,whichdoes
notworkwhentheengineisstopped.
Whenvehiclesaretowedeitherby
wreckerorpiggyback,lubricantinthe
topfrontofthedriveaxlewilldrainto
therear.Thiswillleavethetopcom-
ponentsdry,resultinginfrictionthat
willseriouslydamagethesecompo-
nents.
2.Coveropenhubswhenremoving
driveaxleshafts.
CAUTION
Water,dirtandothermaterialcan
enteranopenhuboraxle.This
cancontaminatetheaxleuidand
causepossibledamagetocompo-
nents.Ensurethatthehubsarecov-
eredwithplasticwheneveradrive
axleshaftisremoved.
3.Forvehicleswithdriver-controlled
maindifferentiallock,installthe
cagingboltbeforeremovingthe
axleshaftsfortowing.
a.Removetheairlineandrmly
cap.
b.Removethecagingboltfrom
itsstoragehole.
c.Screwthecagingboltinto
theairlinehole.When
fullyengaged,a0.25-0.5
in.(6.35-12.7mm)space
willremainbetweentheair
cylinderandthebolthead.
2-16Y53-6060-1C1(03/17)
2
VEHICLERECOVERYANDSPRINGBRAKES
Thisactionwilllockthe
differentialbypushingapiston
intoa"lock"position.
CAUTION
Failuretoinstallthecagingboltwhen
towingvehicleswithdriver-control
maindifferentiallockcanresultin
damagebyfailingtolockinternal
componentsinposition.
WARNING!
Ensuretherearenoopenairlines
ontherecoveredvehicleifthere-
coveryvehicleandrecoveredvehicle
brakesystemsareconnected.An
openairlineontherecoveredvehi-
clewillcausealeakintheairbrake
systemoftherecoveryvehiclepos-
siblycausingdeath,personalinjury,
equipmentorpropertydamage.
CAUTION
Arecoveredvehiclewillhavenoop-
erationalbrakesystem.Additionally,
therearaxlespringbrakeswillprob-
ablybeapplied.
•Ifyoudesiretousetherecovered
vehicle’sbrakes,ensurethatthe
vehiclesairsystemisconnected
tothatoftherecoveryvehicle.
Alsoensurethatanyairline
thathasbeenremovedfroma
driver-controlledmaindifferential
lockisrmlycappedtoprevent
lossofairpressurefromthe
recoveryvehicle.
•Ifyoudon’tdesiretousethe
recoveredvehicle’sbrakes,
ensurethatyoucagethespring
brakesbeforeattemptingto
movethevehicle.
4.Installrecoveryhitchesand
rigging.
CAUTION
Connectrecoveryriggingonlyto
hitchesintendedforthatpurpose.
Donotattachtobumpersorbrack-
ets.Connectionstootherstructural
partscoulddamagethevehicle.
(03/17)Y53-6060-1C12-17
2
VEHICLERECOVERYANDSPRINGBRAKES
RecoveryHitchCapacities
Themaximumratedloadsforvehicle
recoveryvariesdependingonthe
directionorangleofpull.These
capacitiesarelistedinthetablebelow
andareforthetwohitchesworking
together,simultaneously.
HitchCapacities
DIRECTIONOF
PULL
MAXIMUM
CAPACITY
(Lb)*
DirectlyForward80,000
DirectlyVerticalor
Horizontallytothe
Side
14,600
45ºinanyDirection
20,000
*Bothhitchespulledsimultaneously.
CAUTION
Recoverypullmaximumsassume
thetowriggingevenlydistributesthe
loadbetweenbothrecoveryhitches.
SeeexamplesinRecoveryRigging
onpage2-19fordetails.Serious
damagetothevehiclemayoccurif
riggingisnotconnectedproperly.
CAUTION
Whenrecoveringditchedorbogged
vehicles,staywellbelowMaximum
Capacities.Evenatloadsbelow
maximum,thephysicalstrainofre-
coveringavehiclecoulddamage
axles,suspensions,fthwheels,
etc.
2-18Y53-6060-1C1(03/17)
2
VEHICLERECOVERYANDSPRINGBRAKES
RecoveryRigging
Toconnecttothevehicle,followthe
suggestedriggingmethodsbelow.
•Useadoublechainorcablesetup
thatdistributestheloadequally
tobothhitches.See1or2in
RecoveryRiggingillustration.
•Neverloopasinglechainorcable
throughbothhitches(3).
•Useaspreaderorequalizerbarto
distributetheloadonbothhitches
(1).
•Ifnospreaderbarisavailable,
connectthemaintowchainor
cablenocloserthan6ft.fromthe
vehicle(2).
1.SpreaderBarorEqualizer
2.Minimum6FT .
3.NEVERUSESINGLECHAINORCABLE
Preferred
Acceptable
LOOPEDTHROUGHTOWDEVICES
(03/17)Y53-6060-1C12-19
2
VEHICLERECOVERYANDSPRINGBRAKES
ReturningVehicletoService
Youwillhavetoaddlubricantto
preventdamageafteryourvehiclehas
beentowed.
1.Intothepinioncage,add1pint
(.47liter)oflubricantorintothe
interaxledifferential,add2pints
(.94liter)ofapprovedlubricant.
2.Afteraddingthespeciedtype
andamountoflubricant,drivethe
vehicle.Itshouldbeunloaded.
Drive1to2miles(1.5to3km)
ataspeedlowerthan25mph
(40km/h).Thiswillthoroughly
circulatethelubricantthroughthe
assembly.
SpringBrakes—Manual
Release
Recoveringavehiclerequiresthatyou
releasetheparkingbrakes.Theremay
betimeswhenthereisnotenoughair
pressuretoreleasetheparkingbrakes.
Insuchcases,theparkingbrakes
(orSpringBrakes)canbemanually
released.
WARNING!
Donotdrivevehiclewithmalfunc-
tioningbrakes.Ifoneofthebrake
circuitsshouldbecomeinoperative,
brakingdistanceswillincreasesub-
stantiallyandhandlingcharacteris-
ticswhilebrakingwillbeaffected.
Youcouldlosecontrolofyourvehi-
cleorcauseanaccident.Haveit
towedtothenearestdealerorqual-
iedrepairfacilityforrepair.Failure
tocomplymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
Thebrakescanbereleasedinthis
mannershouldthepressureintheair
systemnotbeenoughtoreleasethem.
Thismayoccurininstanceswhere
theengine'saircompressorisnot
abletogetthesystemuptooperating
pressure.
WARNING!
Donotdisassembleaspringbrake
chamber.Thesechamberscon-
tainapowerfulspringthatiscom-
pressed.Suddenreleaseofthis
springmayresultindeathorper-
sonalinjury.
2-20Y53-6060-1C1(03/17)
2
VEHICLERECOVERYANDSPRINGBRAKES
WARNING!
Donotoperateavehiclewhenthe
springbrakeshavebeenmanually
released.Drivingavehicleafterits
springbrakesaremanuallyreleased
isextremelydangerous.Thebrakes
maynotfunction.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
WARNING!
Alwayssecurethevehiclewith
wheelchocks,chains,orother
safemeanstopreventrollingbe-
foremanuallyreleasingthespring
brakes.Releasingthespringbrakes
onanunsecuredvehiclecouldlead
toanaccident.Thevehiclecould
roll,whichmayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
Tomoveavehicleimmobilizedby
thespringbrakesduetolossofair
pressureinthebrakesystem,perform
thefollowingprocedure:
1.Removethe
capfromthespring
chamber.
2.Removethe
releasestud
assemblyfromthe
sidepocket,and
removetherelease
nutandwasherfrom
thereleasestud.
3.Slideoutthe
releasestud.
4.Inserttherelease
studthroughthe
openinginthespring
chamberwherethe
capwasremoved.
Insertitintothe
pressureplate.Turn
thereleasestud1/4
turnclockwiseinthe
pressureplate.This
securesthecross
pinintothecrosspin
areaofthepressure
plateandlocksitinto
themanualrelease
position.
5.Assemblethe
releasestudwasher
andnutonthe
releasestud.
(03/17)Y53-6060-1C12-21
2
VEHICLERECOVERYANDSPRINGBRAKES
6.Withawrench,
turnthereleasestud
assemblynutuntilthe
compressionspring
is90-95percent
caged.Whiledoing
this,checktomake
surethepushrod
(adapterpushrod
orservicepush
rod)isretracting.
Donotover-torque
thereleasestud
assembly.(S-Cam
typemaximum:50
lb-ft,Wedgetype
maximum:30lb-ft).
Thespringbrakeis
nowmechanically
released.
Sand,Mud,SnowandIce
Ifthevehiclegetsstuckinsand,
mud,snow,orice:
•Movethegearshiftleveror
selectorfromFirsttoReverse.
•Applylightpressureonthe
acceleratorpedalwhilethe
transmissionisingear.
•Removeyourfootfromthe
acceleratorwhileshifting.
•Donotracetheengine.
•Forbesttractionandsafety,avoid
spinningthewheels.
WARNING!
Donotspinthewheelsfasterthan
35mph(55km/h).Spinningatireat
speedometerreadingsfasterthan
35mph(55km/h)canbedangerous.
Tirescanexplodefromspinningtoo
fast.Undersomeconditions,atire
maybespinningataspeedtwice
thatshownonthespeedometer.
Anyresultingtireexplosioncould
causedeathorpersonalinjurytoa
bystanderorpassenger,aswellas
extensivevehicledamage:includ-
ingtire,transmissionand/orrear
axlemalfunction.
Complywiththefollowing
instructionstoavoidtransmission
damage:
•Alwaysstartvehicleinmotionwith
theshiftleverinrstgear.
2-22Y53-6060-1C1(03/17)
2
VEHICLERECOVERYANDSPRINGBRAKES
•Besurethattransmissionisfully
engagedingearbeforereleasing
theclutchpedal(manualonly).
•Donotshiftintoreversewhilethe
vehicleismoving.
•Ifthevehicleneedstobe
recoveredfrombeingstuck,donot
permitthevehicletobetowedfor
longdistanceswithoutremoving
thedriveshaft.
TireChains
Ifyouneedtirechains,installthemon
bothsidesofthedrivingaxle.
CAUTION
Chainsonthetiresofonlyonetan-
demaxlecandamagethedriveline
U-jointsandtheinteraxledifferen-
tial.Repairscouldbecostlyand
time-consuming.Failuretocomply
mayresultinequipmentdamage.
TowingtheVehicle
Towingthevehicleshouldbedone
byeitheranauthorizeddealer
oracommercialvehicletowing
service.Thedealerorcommercial
towingservicewillhavethenecessary
equipmenttosafelytowthevehicleand
shouldbeabletomakearrangements
tolimitanydamagetothevehicle.The
towingserviceandthedealershould
beawareoftowingregulationsand
safetyprecautions.
Thetowingservicewillensurethatthe
followingprecautionsaretaken:
•Useofasafetychainsystem.
•Abidebyalllocaltowing
regulations.
•Ensurethatthetowingdevice
doesnotcontactanysurfacesthat
couldbedamagedwhileintransit.
•Iftowingfromthefront,ensure
thattherearaxlesareprepared
fortowing.
•Iftowingfromtherear,ensure
thatallbodycomponentssuchas
roof,sideandchassisfairingsare
securedproperlytoavoiddamage
whileintransit.
WARNING!
Securetheroof,sideandchassis
fairingswhiletowingfromtherear.
Anunsecuredfairingmaycomeoff
ofthevehicleduringtransit.Failure
tosecurethefairingswhiletowing
maycauseaninjuryaccidentresult-
ingindeathorpersonalinjury.
(03/17)Y53-6060-1C12-23
2
CONTROLS
INSTRUMENTPANEL
InstrumentsandControls............3-5
MenuControlSwitch(MCS)...........3-8
WARNINGSYMBOLS
StandardWarningLightsandAudibleAlarm....3-9
WarningLight/IndicatorSymbols........3-11
DescriptionofWarningSymbols........3-19
DRIVERINFORMATIONDISPLAY
Introduction.................3-25
STANDARDGAUGES
Introduction.................3-31
Speedometer.................3-31
Odometer/TripMeter.............3-32
Tachometer.................3-32
EngineHours/OutsideAirTemperature.....3-33
EngineOilPressureGauge..........3-34
(03/17)Y53-6060-1C13-1
3
CONTROLS
WaterTemperatureGauge...........3-35
FuelGauge.................3-36
DieselExhaustFluid(DEF)Gauge.......3-37
Primary(Secondary)AirPressureGauge(Air
Reservoir).................3-37
OPTIONALGAUGES
Introduction.................3-39
ForwardDriveAxleT emperatureGauge.....3-39
RearDriveAxleT emperatureGauge......3-40
STEERINGCOLUMN-MOUNTEDCONTROLS
SteeringColumnControls...........3-41
Horn....................3-46
DASH-ANDDOOR-MOUNTEDCONTROLS
IgnitionSwitch................3-47
HazardFlasher................3-47
DaytimeRunningLights............3-48
PanelLightDimmer..............3-49
IDandClearanceLightsSwitch.........3-49
3-2Y53-6060-1C1(03/17)
3
CONTROLS
DomeLight.................3-49
FogLightsSwitch...............3-50
AirSuspensionDeateSwitch(DumpValve)...3-50
CruiseControlSwitch.............3-51
RegenerationSwitch.............3-52
PowerMirrorSwitch..............3-53
MirrorHeatSwitch..............3-54
PowerWindowSwitch.............3-54
PowerDoorLockSwitch............3-55
JacobsEngineBrakeorCummins"C"BrakeSwitch3-55
InteraxleDifferentialLockSwitch........3-56
Two-SpeedRearAxle(Range)Switch......3-56
FifthWheelLock(SliderAdjustment)Switch...3-57
ParkingBrakeValveandTrailerAirSupplyValve.3-57
PowerPort..................3-60
Cupholders/Ashtray..............3-60
ShiftPatternDisplay..............3-61
(03/17)Y53-6060-1C13-3
3
CONTROLS
HEATINGANDAIRCONDITIONING
CabControls.................3-62
Introduction.................3-63
ManualControls...............3-65
ACCESSORIES
NavigationSystem..............3-69
Radio....................3-70
GloveCompartment..............3-70
VehicleT elematicSystem...........3-71
3-4Y53-6060-1C1(03/17)
3
INSTRUMENTPANEL
INSTRUMENTPANEL
InstrumentsandControls
Thedashincludesstandardgauges
andswitches.Yourvehiclemaycome
withallorsomeoftheswitchesand
gaugesdiscussedhere.Thelocation
ofswitchesonthedashwillvary
dependingontheoptionsorderedand
howyourvehiclewascongured.
(03/17)Y53-6060-1C13-5
3
INSTRUMENTPANEL
1.EngineOilPressure
2.DEFGauge
3.FuelLevel
4.T achometer
5.DriverInformationDisplay
6.Speedometer
7.PrimaryAirPressure
8.SecondaryAirPressure
9.WaterTemperature
10.Headllights
11.ClearanceLights
12.HazardSwitch
13.Optional
14.Optional
15.PanelLights
16.EngineFan
17.CruiseControlOn/Off
18.CruiseControlSelect
19.MenuControlSwitch
20.Ignition
3-6Y53-6060-1C1(03/17)
3
INSTRUMENTPANEL
1.Radio
2.StorageorOptional
Navigation
3.HVACControls
4.EmissionControls
5.EngineBrake(on/off)
(Optional)
6.EngineBrake(Select)
(Optional)
7.OptionalElectricSwitch*
8.OptionalElectricSwitch*
9.OptionalElectricSwitch*
10.ParkBrakeControls
11.TransmissionDisplay
(Automatic)
12.OptionalAirSwitch
13.OptionalAirSwitch
14.OptionalAirSwitch
15.OptionalUSBPort
16.OptionalSwitch
*Theseswitchesarenot
shown.Theseswitch
locationsareavailableonly
iftheautomatictransmission
selectorisnotmounted(item
11).
(03/17)Y53-6060-1C13-7
3
INSTRUMENTPANEL
MenuControlSwitch(MCS)
TheMCSisusedtonavigatethe
DriverInformationDisplayunit.The
MenuControlSwitchislocatedonthe
DPanelasshownintheillustration
below.
TheMCShasthefollowingfunctions:
•RotatingtheMSC
°Selectingdisplay
°Settingvalues
•PushingtheMSC
°Conrmingdesiredselection
3-8Y53-6060-1C1(03/17)
3
WARNINGSYMBOLS
WARNINGSYMBOLS
StandardWarningLights
andAudibleAlarm
Thewarninglightsandaudiblealarm
mayindicateasystemmalfunction.
Checkthelightsfrequently,and
respondproperlyassoonasyousee
onegoon.Theselightscouldsave
youfromaseriousaccident.
WARNING!
Donotignoreawarninglightor
audbilealarm.Thesesignalstell
yousomethingiswrongwithyour
vehicle.Itcouldbeafailurein
animportantsystem,suchasthe
brakes,whichcouldleadtoanacci-
dent.Havetheappropriatesystem
checkedimmediately.
1.DriverInformationDisplay
2.StatusIndicator
3.LowerLightBar
Warninglightsandindicatorsymbols
willbeshowninbothareas1and2.
Area3isdedicatedtotheturnand
highbeamindicatorsymbols.
1.DriverInformationDisplay:The
displaycanshowuptosixwarning
lights.Warningsdonothavexed
positionsandaredisplayedinorder
ofcriticality.Themostcriticalwarning
willbedisplayedonthetoprowand
totheleft.Ifmorethansixwarnings
areactive,themenucontrolswitch
(MCS)canbeusedtoscrollthrough
theadditionalwarnings.
2.StatusIndicator:Additionallights
andindicatorsymbolsaredisplayedin
theStatusIndicator.Theyarelimited
to:
•ParkBrake
•TransmissionGear(Automatic
transmissionsonly)
•Warnings
•CruiseControl-active
•Clockalarmbell
RefertoWarningLight/Indicator
Symbolsonpage3-11forinformation
oneachsymbol.
(03/17)Y53-6060-1C13-9
3
WARNINGSYMBOLS
InstrumentSystemSelfTest:
Whentheignitionswitchisturned
ontheinstrumentationsystemwill
undergoaSelfTest.Thistestwill
verifytheoperationofthegaugesand
warnings.
DuringtheInstrumentationSystemSelf
Test,threescreenswillsequentially
displaywarningicons(approximately
3secondseachscreen)onthe
InformationDisplay.Theseare:
RefertoWarningLight/Indicator
Symbolsonpage3-11forinformation
oneachsymbol.
Completingthissequencewillindicate
asuccessfulSelfTest.Haveyour
instrumentationsystemcheckedbya
qualitedservicetechnicianifdoesnot
successfullycomplete.
AudibleAlarm:
Theaudiblealarmwillsoundduring
theInstrumentationSystemSelfTest.
Theaudiblealarmwillalsosoundin
conjunctionwithsomewarninglights.
Theseeventsincludebutarenot
limitedtoheadlighton,fthwheel,stop
engine,primary/secondaryair,and
driverdooropenwarnings.
3-10Y53-6060-1C1(03/17)
3
WARNINGSYMBOLS
OptionalLights:
Additionallightsmaybeoperational
dependingonindividualvehicle
specications.Thesewillbeincluded
intheInstrumentSystemSelfT est.
NOTE
Someoptionallightsmayillumi-
nateeventhoughyourvehicleisnot
equippedwiththatparticularfea-
ture.
WarningLight/Indicator
Symbols
ThefollowingisalistofWarningLight
/IndicatorSymbols.Readingleftto
right,thetableheaderidenties:
•theSymbolName
•theappearanceoftheSymbol
•theSymbolColorwhenitis
illuminated
•whetherthesymbolisstandard
(Std)oroptional(Opt)
•whetherthesymbolhasan
associatedcheckmessage
•thePageNumberreferencefor
additionalinformation
Symbolsarelistedbymajorcomponent
sections.
Example:Engine,andthenin
alphabeticalorder.
WarningLight/IndicatorSymbols
SymbolNameSymbolColor
Std/
Opt
MsgPage
1.ActiveWarnings,ExclamationPoint Red
Std
onpage3-19
2.ActiveWarnings,Number Yellow
Std
onpage3-19
(03/17)Y53-6060-1C13-11
3
WARNINGSYMBOLS
SymbolNameSymbolColor
Std/
Opt
MsgPage
3.ActiveWarnings,Triangle Yellow
Std
onpage3-19
4.Alternator Red
Opt
onpage3-19
5.Anti-LockBrakeSystem(ABS)
Yellow
Std
onpage3-19
6.Anti-LockBrakeSystem(ABS),Trailer
Yellow
Std
onpage3-19
7.Axle,Inter-AxleDifferentialLocked(TandemAxles)
Yellow
Std
onpage3-20
8.Axle,StabilityControl
Yellow
Std
onpage3-20
3-12Y53-6060-1C1(03/17)
3
WARNINGSYMBOLS
SymbolNameSymbolColor
Std/
Opt
MsgPage
9.Axle,TractionControl
Yellow
Std
onpage3-20
10.BrakeSystem Opt
onpage3-21
11.Clock,AlarmBell
Yellow
Std
onpage3-21
12.CruiseControl,Active
Yellow
Std
onpage3-21
13.DumpTruck,BodyUp Yellow
Opt
onpage3-21
14.DumpTruck,TrailerBodyUp Yellow
Opt
onpage3-21
(03/17)Y53-6060-1C13-13
3
WARNINGSYMBOLS
SymbolNameSymbolColor
Std/
Opt
MsgPage
15.Emissions,DieselParticulateFilter(DPF)
Yellow
Std
onpage3-21
16.Emissions,HighExhaustSystemTemperture(HEST)
Yellow
Std
onpage3-21
17.Emissions,MalfunctionIndicatorLamp(MIL)
Yellow
Std
onpage3-21
18.Engine,CheckEngine
Yellow
Std
onpage3-21
19.Engine,EtherStart GreenOpt
onpage3-21
20.Engine,Heater Yellow
Opt
onpage3-22
3-14Y53-6060-1C1(03/17)
3
WARNINGSYMBOLS
SymbolNameSymbolColor
Std/
Opt
MsgPage
21.Engine,LowCoolantLevel
Yellow
Std
onpage3-22
22.Engine,Overspeed
Red
Opt
onpage3-22
23.Engine,Retarder(Brake) GreenOpt
onpage3-22
24.Engine,StopEngine
Red
Std
onpage3-22
25.Engine,WaitT oStart
Yellow
Opt
onpage3-22
26.FifthWheel,KingPinLock
Red
Opt
onpage3-22
(03/17)Y53-6060-1C13-15
3
WARNINGSYMBOLS
SymbolNameSymbolColor
Std/
Opt
MsgPage
27.FifthWheel,SlideUnlocked
Red
Std
onpage3-22
28.Lights,HighBeam Blue
Std
onpage3-22
29.MessageWaiting
GreenOpt
onpage3-23
30.ParkBrake Red
Std
onpage3-23
31.PowerT ake-off(PTO) GreenOpt
onpage3-23
32.PowerT ake-off(PTO),PumpMode GreenOpt
onpage3-23
3-16Y53-6060-1C1(03/17)
3
WARNINGSYMBOLS
SymbolNameSymbolColor
Std/
Opt
MsgPage
33.Refrigerator GreenOpt
onpage3-23
34.SeatBelt,Fasten
Red
Std
onpage3-23
35.SuspensionDump
Yellow
Std
onpage3-23
36.TireInation
Yellow
Opt
onpage3-23
37.Transmission,Auxiliary Yellow
Opt
onpage3-23
38.Transmission,Check
Red
Opt
onpage3-23
(03/17)Y53-6060-1C13-17
3
WARNINGSYMBOLS
SymbolNameSymbolColor
Std/
Opt
MsgPage
39.Transmission,RangeInhibit Red
Opt
onpage3-24
40.Transmission,OilFilter
Yellow
Opt
onpage3-24
41.Transmission,OilT emperatureHigh
Yellow
Opt
onpage3-24
42.TurnSignal,Left GreenStd
onpage3-24
43.TurnSignal,Right GreenStd
onpage3-24
44.Voltage
OrangeStd
onpage3-24
3-18Y53-6060-1C1(03/17)
3
WARNINGSYMBOLS
DescriptionofWarning
Symbols
1.ActiveWarnings,Exclamation
Point
Illuminateswhenaredwarningis
active.UsetheMCSknobtoviewthe
warningsthatareactive.
2.ActiveWarnings,Number
Illuminatesthetotalnumberofred
andyellowactivewarnings.Usethe
MCStoviewtheactivewarningsifthe
displayshowsa>symbol.
3.ActiveWarnings,Triangle
Illuminateswhenayellowwarningis
active.UsetheMCSknobtoviewthe
warningsthatareactive.
4.Alternator
Illuminatesifthealternatorisnot
charging.(Foralternatorswithwarning
lampoutputsignal.)
5.Anti-LockBrakeSystem
(ABS)
IlluminatesduringtheInstrumentation
SystemSelfT est.HavetheABS
systemcheckedbyaPeterbiltdealer
iftheABSWarningLampstaysonfor
morethan3seconds.
Illuminatesduringnormaloperating
conditionstoindicateaproblemwith
theABSSystem.
Illuminateswhenaproblemexists
withtheoptionalWheelSpinControl
feature.
6.Anti-LockBrakeSystem
(ABS),Trailer
IlluminatesduringtheInstrumentation
SystemSelfTestandthetractor/truck
isconnectedwithaABSequipped
trailer.
Illuminatesduringnormaloperating
conditionstoindicateaproblemwith
theTrailerABSSystem.Thisshould
becheckedbyaPeterbiltdealeras
soonaspossible.
(03/17)Y53-6060-1C13-19
3
WARNINGSYMBOLS
NOTE
•Tractors/Trucksandtrailers
builtafter3/1/01mustbe
abletoturnonanIn-Cab
TrailerABSWarningLamp
(perU.S.FMVSS121).The
industrychosePowerLine
Communication(PLC)asthe
standardmethodtoturniton.
•Ontrailersbuiltpriorto3/1/01
verifytrailerABSsystemstatus
viatherequiredexternalwarning
lampmountedonthetrailer.
Theindicatorlamponthetrailer
shouldbeyellowandidentied
withtheletters"ABS".
7.Axle,Inter-AxleDifferential
Locked(TandemAxles)
Illuminateswhentheinter-axle
differentialswitchisONthuslocking
theinter-axledifferential.Thispowers
theforwardrearandtherearrear
differentialsequally.Whentheswitch
isturnedoff(inter-axledifferential
unlocked)theenginepowerisallowed
toowtoanyofthe4drivetiresbased
onthedifferentialeffect(mostlytothe
forwardreardifferential).(Thisfeature
isstandardonalltandemaxles).
8.Axle,StabilityControl(ESC
orElectronicStabilityControl)
Calculatesthedriver’sintended
pathoftravelfromwheelspeedand
steeringanglesensors,thencompares
calculationstotheactualdirectionof
travel.Thesystemusesindividual
wheelbrakestore-adjustthepathof
thevehicle.
•Illuminatesduringthepower-on
self-testwhentheignitionis
turnedON.Itturnsoffafterafew
secondsifnosystemproblems
aredetected.IfanESCproblem
isdetected,theESCwarninglamp
willturnonandstayon.
•IlluminateswhentheESCsystem
isregulatingindividualwheel
brakestocorrectthevehicle’s
directionoftravel.
9.Axle,TractionControl(ATC
orAutomaticTractionControl)
Watchesvehicle’swheelspeeds
todetectslippageandmayreduce
enginepower,orapplyvehiclebrakes,
tohelpincreasetraction.
•Illuminatesduringthepower-on
self-testwhentheignitionis
turnedON.Itturnsoffafterafew
secondsifnosystemproblems
aredetected.IfanATCproblemis
detected,theATCwarninglamp
willturnonandstayon.
•IlluminateswhentheATCis
regulatingwheelspinandturnsoff
afterthetractioncontroleventhas
ended.
3-20Y53-6060-1C1(03/17)
3
WARNINGSYMBOLS
•Flashescontinuouslywhenthe
ATC/DeepSnow&Mudswitch
isturnedon,indicatingthatthis
featureisactive.
10.BrakeSystem
Illuminatestoindicateamalfunction
inthehydraulicbrakesystem(when
equippedwithHybraulicbrakes).
11.Clock,AlarmBell
Illuminateswhenthealarmisset.Itwill
ashwhentheclockalarmisactive.
12.CruiseControl,Active
Illuminateswhencruisecontrolis
active.
13.DumpTruck,BodyUp
IlluminateswhenTruckDumpBodyis
up.
14.DumpTruck,TrailerBody
Up
IlluminateswhenTrailerDumpBody
isup.
15.Emissions,Diesel
ParticulateFilter(DPF)
Illuminateswhendieselparticulate
trapisplugged.Thiswarningwillalso
illuminatewhenregenerationoperation
isdisabled.
16.Emissions,HighExhaust
SystemTemperture(HEST)
Illuminateswhentheexhaustgas
temperatureandexhaustcomponents
becomeextremelyhot.
17.Emissions,Malfunction
IndicatorLamp(MIL)
Illuminateswhenanengineemissions
failurehasoccurred.Thevehicle
canbesafelydrivenbutshouldbe
servicedtocorrecttheproblem.The
situationshouldnotbeconsidered
anemergency.Insomecases,the
MalfunctionIndicatorLampwillactivate
inconjunctionwiththeHighExhaust
Temperature,DieselParticulateFilter
(DPF)andDieselExhaustFluid(DEF)
WarningLights.
18.Engine,CheckEngine
Illuminateswhenaproblemexists,but
thevehiclecanstillbesafelydriven.
Vehicleshouldbeservicedtocorrect
theproblembutthesituationshould
notbeconsideredanemergency.
19.Engine,EtherStart
(03/17)Y53-6060-1C13-21
3
WARNINGSYMBOLS
Illuminateswhenetherstartswitchis
on.
20.Engine,Heater
IlluminateswhenEngineHeaterswitch
ison.
21.Engine,LowCoolantLevel
Illuminateswithanaudiblealarm
indicatingcriticallylowcoolantlevel.
Thevehiclemustbeservicedtocorrect
theproblembutthesituationshould
notbeconsideredanemergency.
22.Engine,Overspeed
IlluminateswhenengineRPMis
exceeded.
23.Engine,Retarder(Brake)
Illuminateswhentheengineretarder
(compressionbrakeorexhaustbrake)
switchisturnedon.(Engineretarders
areanoption.)
24.Engine,StopEngine
Illuminatesandanaudiblealarmtone
willsoundwhenamajorenginesystem
problemexists.
WARNING!
Thisshouldbeconsideredanemer-
gency.Youshouldstopthevehicle
assafelyaspossibleandturnOFF
theignition.Thevehiclemustbe
servicedandtheproblemcorrected
beforedrivingagain.Failuretodo
somaycausesevereenginedam-
ageorcauseanaccident.
25.Engine,WaitToStart
Illuminateswhenenginegridheateris
on(PACCARPX-6andPX-8).
26.FifthWheel,KingPinLock
Illuminateswhenairactuatedfth
wheelKingPinisunlocked.
27.FifthWheel,SlideUnlocked
Illuminatesandanaudiblewarning
tonewillsoundwhentheairoperated
slidingfthwheelswitchison,thus
unlockingtheslidingfthwheel.
Thelightandanaudiblewarning
toneshouldNOTbeconsideredan
emergencybutsimplyasareminder
toturnofftheswitchtolockthesliding
fthwheelbeforedriving.Thisswitch
shouldnotbeoperatedwhiledriving.
(Slidingfthwheelsareanoption).
28.Lights,HighBeam
3-22Y53-6060-1C1(03/17)
3
WARNINGSYMBOLS
Illuminateswhenthehighbeamsare
on.Thisiconwillashwithaudible
alarmiftheheadlampsarelefton
whenthedoorisopen.Inaddition,this
iconwillash,butwithoutanaudible
alarm,ifthereisaproblemwiththe
lowbeamheadlightsorthelowbeam
headlightwiring.Insuchevent,the
highbeamheadlightswillturnonat
50%normalbrightness.
29.MessageWaiting
Illuminateswithtelematicequipped
messaging.
30.ParkBrake
Illuminatesinthestatusindicatorwhen
parkingbrakesareappliedandthe
vehicleisstationary.Thissymbolwill
alsoilluminateintheDriverInformation
Displayiftheparkingbrakesare
appliedandthevehicleisinmotion.
31.PowerTake-off(PTO)
IlluminateswhenthePTOisengaged.
NOTE
DonotdrivevehiclewithPTOen-
gaged.
32.PowerTake-off(PTO),Pump
Mode
Illuminateswithremotethrottle
application.Indicatespumpmodeis
active.
33.Refrigerator
Illuminatestoindicatethatthe
refrigeratorisonandignitionisoff.
34.SeatBelt,Fasten
Illuminateswhentheignitionkeyis
turnedonasaremindertofastenyour
seatbelt.
35.SuspensionDump
Illuminateswhensuspensionairbags
aredeated.
36.TireInation
Illuminateswhentirepressuresneedto
bechecked.(TirePressureMonitoring
Systemisanoption)
37.Transmission,Auxiliary
Illuminatestoindicateauxiliary
transmissionisinneutral.
38.Transmission,Check
(03/17)Y53-6060-1C13-23
3
WARNINGSYMBOLS
Illuminateswhentransmissionhas
recordedafaultcode.Thisicon
mayalsoappearintheTransmission
DisplaymenuoftheDriverInformation
Displayunit.Iftheuserisinthisdisplay
menu,theicondoesnotindicatea
faultcode.
39.Transmission,RangeInhibit
IlluminateswithAllison1000/2000
seriestransmissionswith"Range
Inhibit"output.
40.Transmission,OilFilter
Illuminateswhenserviceisrequired
(Allisontransmissionsonly).
41.Transmission,Oil
TemperatureHigh
Illuminateswhentransmission
lubricanttemperatureistoohigh.The
informationdisplaywillprovidethe
currentoiltemperaturewhentheicon
isilluminated.
CAUTION
Thisshouldbeconsideredanemer-
gency.Youshouldstopthevehicle
assafelyaspossibleandturnOFF
theignition.Thevehiclemustbe
servicedandtheproblemcorrected
beforedrivingagain.Failuretodo
somaycauseseveretransmission
damage.
42.TurnSignal,Left
Blinkswhentheleftturnsignalorthe
hazardlightfunctionisoperating.
43.TurnSignal,Right
Blinkswhentherightturnsignalorthe
hazardlightfunctionisoperating.
44.Voltage
Illuminateswhentransmission
lubricanttemperatureistoohigh.The
informationdisplaywillprovidethe
currentoiltemperaturewhentheicon
isilluminated.
3-24Y53-6060-1C1(03/17)
3
DRIVERINFORMATIONDISPLAY
DRIVERINFORMATION
DISPLAY
Introduction
WARNING!
DonotlookattheDriverInformation
Displayforprolongedperiodswhile
thevehicleismoving.Onlyglance
atthemonitorbrieywhiledriving.
Failuretodosocanresultinthe
drivernotbeingattentivetothevehi-
cle’sroadposition,whichcouldlead
toanaccidentandpossiblepersonal
injuryorequipmentdamage.
TheDriverInformationDisplay,located
atthetopoftheinstrumentcluster,
displaysimportantvehicleinformation
throughaconstantmonitoringof
systemswhenanyofthefollowing
conditionsaremet:
•ignitionkeyinONorACCpositions
•ignitiontimerisactive
•MCSbuttonispushed
(independentofignitionkey
switchposition)
•clockalarmsounds
•driverorpassengerdoorisopened
•hazardwarninglampswitchison
Thevariousfunctionsmaybe
accessedbynavigatingthroughMenu
ScreensusingtheMCS.RefertoMenu
ControlSwitch(MCS)onpage3-8for
moredetailfortheMCS.
ThebulletsintheMenuBarallow
accesstoeachitembypushing
theMCSwhenthedesiredbulletis
highlighted.
Inadditiontoablankscreen,the
followingaremenuitemsandthe
informationavailablewithineachmenu
selections.
(03/17)Y53-6060-1C13-25
3
DRIVERINFORMATIONDISPLAY
NOTE
SomeDriverInformationDisplay
functionsareonlyaccessiblewhen
thevehicleisparked.Otherfunc-
tionsareaccessiblewhilethevehi-
cleismovingorwhenparked.Each
functionisidentiedinthefollowing
descriptions.
FuelEconomy
Accessiblewhileparkedordriving.
Currentfueleconomy-Indicates
instantaneousfueleconomy.
Tripfueleconomy-Indicatestripfuel
economy.
RPMDetail
Accessiblewhileparkedordriving.
RPMreadingofactualengineRPM.
EngineRPMwithinthebargraph
indicatestheengineisoperatinginthe
mostefcientRPMrange.Thedisplay
colorwillchangeifyouareoperating
outsideofthisrange.
3-26Y53-6060-1C1(03/17)
3
DRIVERINFORMATIONDISPLAY
IgnitionTimer
Accessiblewhileparkedonly.
Ignitiontimerissetfromthismenu.
Theignitiontimermaybesetforupto
30minutes.
TripInformation
NOTE
Whenaccessingthetripinformation
menu,pushtheMCSonthismenu
(bullet).Toexit,pushtheMCS
again.T oresetthetripvalues,press
theTripOdometerResetButtonon
themaingaugeinstrumentcluster.
CertainTripInformationfunctions
areaaccessiblewhendrivingorwhen
parked:
•TripEconomy
•TripAverageSpeed
OtherTripInformationfunctionsare
accessibleonlywhenparked:
•TripDistance
•TripEngineHours
•TripIdleHours
•TripIdlePercentage(%)
•PTOHours
•PTOTripHours
•PTOTripPercentage(%)
ToresettheTripValues,presstheTrip
OdometerResetButtononthemain
gaugeinstrumentcluster.
(03/17)Y53-6060-1C13-27
3
DRIVERINFORMATIONDISPLAY
TruckInformation
Accessiblewhileparkedonly.
NOTE
Whenaccessingthetruckinforma-
tionmenu,pushtheMCSonthis
menu(bullet).T oexit,pushtheMCS
again.
Truckinformationavailable:
•ChassisNumber
•EngineMake
•EngineModel
•EngineSWVersion
•TransmissionMake
•TransmissionModel
•TransmissionSWVersion
•ABS(AntilockBrakingSystem)
Make
•ABSModel
•ABSSWVersion
•CECU(CabElectronicControl
Unit)SoftwareVersion
•CECUHardwareVersion
DiagnosticDisplay
Accessiblewhileparkedonly.
NOTE
"FaultsFound"willonlybeactiveifa
redoryellowwarninglampisillumi-
nated.
Thediagnosticdisplaymenu(bullet)
willindicateafaultthatisgenerated
bythevehicle'sEngine,ABSand/or
Transmissionsystems.Whileon
thismenuitemthedisplaywilleither
indicate"NoFaultsFound"or"Faults
Found".If"FaultsFound"isactive,
pushingtheMCSwilldisplaynew
menusformoreinformation.
3-28Y53-6060-1C1(03/17)
3
DRIVERINFORMATIONDISPLAY
TransmissionDisplay
Automatedtransmissionsonly-
accessiblewhileparkedordriving.
NOTE
RefertotheAutomatedTransmis-
sionOperator’sManualforaddi-
tionalinformation.
Thismenuwillshowgearnumberthat
coincideswiththecurrenttransmission
gearselected.Themenualsodisplays
thetransmissionicontolettheuser
knowwhatscreentheyarein.(Does
notindicateafaultcode.)
SettingsMenu
Accessiblewhileparkedonly.
NOTE
RefertotheAutomatedTransmis-
sionOperator’sManualforaddi-
tionalinformation.
TheSettingsmenuscreenallows
thedrivertoviewand/orchangethe
followingmenuitems:
•DisplayFormat12Hour(AM/PM)
or24Hour(military)
•Home/LocalTime
•AlarmON/OFF
•AlarmTime
•Unitsofmeasure
•Language(English,Spanishor
French)
ToSetClockDisplayFormat:
1.WhenintheSettingsMenu,scroll
throughthelistofmenuitemsto
"Format".
2.PresstheMCStodisplayeither12
hour(AM/PM)or24hour(military)
time.
ToSetHome,LocalorAlarmTime:
(03/17)Y53-6060-1C13-29
3
DRIVERINFORMATIONDISPLAY
1.WhenintheSettingsMenu,scroll
throughthelistofmenuitems.
2.PresstheMCStoselecttheitem
tochange.
3.RotatetheMCSknobtochange
thehour.PresstheMCS.
3-30Y53-6060-1C1(03/17)
3
STANDARDGAUGES
STANDARDGAUGES
Introduction
Onthepagesthatfollowyouwillnd
descriptionsofsomeofthegauges
onyourinstrumentpanel.Formore
informationaboutusingthemin
driving,see"StartingandOperating
theVehicle"AlsochecktheIndex
underthenameofthegaugeor
functionyouwanttoknowmoreabout.
WARNING!
Donotignoreawarninglightor
audbilealarm.Thesesignalstell
yousomethingiswrongwithyour
vehicle.Itcouldbeafailurein
animportantsystem,suchasthe
brakes,whichcouldleadtoanacci-
dent.Havetheappropriatesystem
checkedimmediately.
SomegaugeswilldisplayaredLED
warninglight,withsomeaccompanied
byanaudiblealarm,wheneverthe
limitsofthefunctionbeingdisplayed
areexceeded.
Speedometer
Thespeedometerindicatesthe
vehiclespeedinmilesperhour(mph)
andinkilometersperhour(km/h).
Thespeedometeralsoincludesan
odometer,tripmeter,andtripreset
button.
(03/17)Y53-6060-1C13-31
3
STANDARDGAUGES
Odometer/TripMeter
TheLCDdisplayinthelowerpartofthe
speedometercontainstheodometer
andtripmeter.
Theodometerdisplaysthetotal
distanceyourvehiclehastraveled.
ItwilldisplayinmilesonanEnglish
speedometerorinkilometersona
metricspeedometer.Themaximum
distancethatcanbeshownonthe
odometeris"1999999"beforeitrolls
overtozero.
Thetripodometerdisplayshowfar
thevehiclehasgoneonaparticular
trip.Thetripodometerwilldisplayin
milesonanEnglishspeedometerorin
kilometersonametricspeedometer,
inonetenthdivisions.Themaximum
distancethatcanbeshownonthetrip
odometeris"9999.9"beforeitrolls
overtozero.
Toresetthetripodometer,press
andholdthetripresetbuttonon
thespeedometer.Thenumberswill
resetto0andbegintocountnew
miles/kmtraveled.Thisalsoresetsthe
tripvaluesintheDriverInformation
Display.
Thetripresetbuttonalsotogglesall
displaysbetweenEnglishandMetric.
NOTE
TheOdometer/TripMetercomes
onwhenthedoorisopenedorthe
keyisintheaccessoryorignition
position.TheOdometer/TripMeter
willremainonfor3secondsafter
thedoorisclosedortheignition
switchisturnedoff.Thisallows
driverandservicepersonneltoread
theodometerwithoutignitionswitch
beingturnedon.
Tachometer
Yourtachometermeasurestheengine
speedinrevolutions-per-minute
(RPM).Thetachometeralsoincludes
anenginehourmeterandoutsideair
temperaturedisplay.
Watchingyourtachometerisimportant
todrivingefciently.Itwillletyou
matchdrivingspeedandgearselection
totheoperatingrangeofyourengine.
Ifyourenginespeedgetstoohigh,
youcanselectahighergeartolower
theRPM.Ifyourenginespeeddrops
3-32Y53-6060-1C1(03/17)
3
STANDARDGAUGES
toolow,youcanselectalowergear
toraisetheRPM.
EngineHours/OutsideAir
Temperature
TheLCDdisplayinthelowerpartofthe
tachometercontainstheenginehour
meterandtheoutsideairtemperature
display.
Theenginehourmeterwilldisplay
thetotalnumberofhourstheengine
hasbeenrunning.Themaximum
hoursthatcanbeshownare"99999.9"
beforethemeterrollsovertozero.
Theoutsideairtemperature(OAT)
willdisplaythetemperatureoutside
thevehicle.Thetemperaturecan
bedisplayedfrom-40°to158°in
Fahrenheitor-40°to70°Celsius.The
displaywillalsoalertthedriverwhen
theoutsidetemperateapproaches
freezing(32°For0°C)bydisplaying
asnowakesymbol.Thesymbolwill
turnonwhenthetemperaturedrops
below34°For11°Candashforthe
rst3seconds,thenstayonuntilthe
temperaturegoesabove37°For28°C
Thetemperaturecandisplayusing
StandardorMetricunits.Pressthe
tripresetbuttonontheSpeedometer4
timeswithin4seconds.Thiswillalso
changetheunitsshownbytheDriver
InformationDisplay.
NOTE
TheOATwillcomeonwhenthedoor
isopenandthekeyswitchisinthe
accessoryorignitionposition.The
OATdisplaywillturnoffwhenthe
ignitionswitchisturnedoff.
(03/17)Y53-6060-1C13-33
3
STANDARDGAUGES
NOTE
TheOATusesasensor(locatedat
thebottomofthedriver’ssidemir-
rorassembly)tomeasureoutsideair
temperatureonly.Itisnotcapable
ofdisplayingthetemperatureofthe
roadsurfaceoneitherthetempera-
turedisplayorthesnowakeicon.
NOTE
Theeffectsofdirectsunlight,orthe
useofmirrorheat,willincreasethe
outsideairtemperaturedisplayed
whilethevehicleisstationary.
EngineOilPressureGauge
Itisimportanttomaintainoilpressure
withinacceptablelimits.Yourengine
manualwillgivenormaloperating
pressuresforyourengine.
CAUTION
Continuingtooperateyourvehi-
clewithinsufcientoilpressurewill
causeseriousenginedamage.
•Ifyouroilpressurefailstorise
within10secondsafteryour
enginestarts,stoptheengine
anddeterminethecause.
•Ifyouroilpressuresuddenly
dropswhileyouaredriving,bring
thevehicletoastopassoonas
possibleinasafelocationoff
theroadandturnofftheengine.
Waitafewminutestoallowoil
todrainintotheoilpan,and
thenchecktheoillevel.Add
oilifnecessary.Iftheproblem
persists,contactanauthorized
servicecenter.
Checktheenginemanufacturer’s
manualforthecorrectoilpressure
rangesforyourengine.
3-34Y53-6060-1C1(03/17)
3
STANDARDGAUGES
WaterTemperatureGauge
Thewatertemperaturegaugeshows
thetemperatureoftheenginecoolant.
Undernormaloperatingconditions
thewatertemperaturegaugeshould
registerbetween165°and205°F(74°
and90°C).Undercertainconditions,
somewhathighertemperaturesmay
beacceptable.Butthemaximum
allowabletemperatureis210°F(99°C)
withthecoolingsystempressurized,
exceptforcertainspecialengines.
Checkyourenginemanualtobesure.
EngineOverheating
WARNING!
Donotremovetheradiatorllcap
whiletheengineishot.Scalding
steamanduidunderpressuremay
escapeandcauseseriouspersonal
injuries.Youcouldbebadlyburned.
•Waituntilthecoolant
temperatureisbelow122°F
(50°C).
•Protectface,hands,andarms
bycoveringthecapwithalarge,
thickragtoprotectagainst
escapinguidandsteam.
•Carefullyandslowlyturnthe
capone-quarterofaturnor
untilitreachestherststop—
allowingexcesspressureto
escape—pushdownandturnfor
nalremoval.
Waituntilthecoolanttemperatureis
below122°F(50°C).Protectyour
face,hands,andarmsbycoveringthe
capwithalarge,thickragtoprotect
youagainstescapinguidandsteam.
Beforeyoucompletelyremovethe
cap,carefullyandslowlyturnthecap
partwaytoallowexcesspressureto
escape.Thenpushdownandturnfor
nalremoval.
Thecoolingsystemmayoverheatif
thecoolantlevelisbelownormalorif
thereisasuddenlossofcoolant(such
asawornhosesplitting).Itmayalso
temporarilyoverheatduringsevere
operatingconditionssuchasclimbing
alonghillonahotdayorstopping
afterhigh-speeddriving.
Ifthe"EngineCoolantTemperature"
warninglightcomeson,oryouhave
anyotherreasontosuspecttheengine
maybeoverheating:
•Stopthevehicle,butDONOT
TURNOFFTHEENGINEunlessa
(03/17)Y53-6060-1C13-35
3
STANDARDGAUGES
lowwaterwarningdeviceindicates
alossofcoolant.
•Withthetransmissioninneutral,
checktobecertaintheoilpressure
gaugereadsnormal.Increase
theenginespeedtoabout1100
-1200RPM,maximum.Return
theidlespeedtonormalafter2
or3minutes.Ifthewarninglight
doesnotgoofforthetemperature
gaugedoesnotbegintodrop,
thenturntheengineoff.
•Iftheoverheatingcamefrom
severeoperatingconditions,the
temperatureshouldhavecooled
bythistime.Ifithasnot,stop
theengineandletitcoolbefore
checkingtoseeifthecoolantis
low.
FuelGauge
WARNING!
Donotremoveafueltankcapnear
anopename.Hotfuelvaporsare
combustibleandcancauseanex-
plosionorreresultingininjuryor
death.
CAUTION
UseUltraLowSulfurDieselfuel
only.Failuretodosomaydamage
componentsoftheDieselParticu-
lateFilter(DPF).
Thefuelgaugeshowstheapproximate
amountoffuelinthefueltanks.
Besidesemptyandfull,thegauge
alsoindicates1/4,1/2,and3/4of
totalcapacity.Youwillwanttokeep
yourfueltanksatleasthalffullto
reducecondensationofmoisturein
thetanks.Thismoisturecandamage
yourengine.
3-36Y53-6060-1C1(03/17)
3
STANDARDGAUGES
DieselExhaustFluid(DEF)
Gauge
Thedieselexhaustuidgaugeshows
theapproximateamountofDEFuid
intheDEFtank.Besidesemptyand
full,thegaugealsoindicates1/4,1/2,
and3/4oftotalcapacity.DEFuid
isrequiredtomeetcertainemission
requirements.Maintainanadequate
amountofdieselexhaustuidatall
times,asprovidedintheaftertreatment
systemoperatormanual.Pleaserefer
totheaftertreatmentoperatormanual
formoredetailsaboutDEFuid.
CAUTION
UseDieselExhaustFluidonly.Fail-
uretodosomaydamagecompo-
nentsoftheDieselParticulateFilter
(DPF).
Primary(Secondary)Air
PressureGauge(Air
Reservoir)
Theairpressuregaugeindicatesthe
amountofairpressureinthebrake
systeminpoundspersquareinch(psi).
•Theprimarygaugeshowsfront
reservoirairpressure.
•Thesecondarygaugeshows
pressureintherearreservoir.
(03/17)Y53-6060-1C13-37
3
STANDARDGAUGES
Ensuretheairpressureregistersmore
than100psiinbothservicesystems
beforeyoumovethevehicle.Ifthe
pressureineithercircuitistoolowfor
normalbrakeoperation,thewarning
lightwillglowandtheaudiblealarm
willsound.
WARNING!
Theairpressurewarninglightand
theaudiblealarmindicateadanger-
oussituation.Thereisnotenough
airpressureinthereservoirsforre-
peatedbrakingandthebrakesys-
temhasfailed.Ifairpressurefalls
below60psi(414kPa)thespring
brakescouldsuddenlyapply,caus-
ingawheellockup,lossofcontrol,
oryourvehicletobeovertakenby
followingvehicles.Youcouldbein
anaccidentandseverelyinjured.If
thesealarmscomeonwhileyouare
driving,bringyourvehicletoasafe
stoprightaway.Ifthelightandalarm
donotturnoffatstart-up,donottry
todrivethevehicleuntiltheproblem
isfoundandxed.
3-38Y53-6060-1C1(03/17)
3
OPTIONALGAUGES
OPTIONALGAUGES
Introduction
Maximumtransmissiontemperature
mayvary,dependinguponthe
transmissionandtypeoflubricant.
Checkyourtransmission’sowner’s
manual.
ForwardDriveAxle
TemperatureGauge
Thisgaugeindicatesthetemperature
ofthelubricantinyourvehicle’saxle(s).
Thesetemperatureswillvarywith
thekindofloadyouarecarryingand
thedrivingconditionsyouencounter.
Maximumaxletemperaturemayvary,
dependingupontheaxleandtype
oflubricant.Veryhightemperatures
signalaneedtohaveyouraxle(s)
lubricationchecked.
CAUTION
Drivingwithveryhottemperaturesin
yourreardriveaxlescancausese-
riousdamagetoaxlebearingsand
seals.Haveyouraxlelubrication
checkedifyounoticeasignofover-
heating.
(03/17)Y53-6060-1C13-39
3
OPTIONALGAUGES
RearDriveAxleTemperature
Gauge
Thisgaugeindicatesthetemperature
ofthelubricantinyourvehicle’saxle(s).
Thesetemperatureswillvarywith
thekindofloadyouarecarryingand
thedrivingconditionsyouencounter.
Maximumaxletemperaturemayvary,
dependingupontheaxleandtype
oflubricant.Veryhightemperatures
signalaneedtohaveyouraxle(s)
lubricationchecked.
CAUTION
Drivingwithveryhottemperaturesin
yourreardriveaxlescancausese-
riousdamagetoaxlebearingsand
seals.Haveyouraxlelubrication
checkedifyounoticeasignofover-
heating.
3-40Y53-6060-1C1(03/17)
3
STEERINGCOLUMN-MOUNTEDCONTROLS
STEERING
COLUMN-MOUNTED
CONTROLS
SteeringColumnControls
Introduction
1.TiltT elescopingLever
2.TurnSignalLever
3.TrailerHandBrake
NOTE
Theignitionkeymustbeturnedto
ONforthesignal/switchtooperate.
Theturnsignalleverismountedon
theleftsideofthesteeringcolumn.
Thelevercontrolsseveralfunctions:
turnsignal,highbeam,andwindshield
wipercontrol.
1.Tilt/TelescopingSteeringColumn
Dependingonyourvehicle’s
conguration,youmayhaveeither
aTilt/T elescopingoraxedsteering
column.
•Thetiltfeatureallowsforwardand
rearwardmovementofthewheel.
•Thetelescopingfeatureallowsyou
tomovethewheelupanddown.
Toactivatethesefeatures,locatethe
Tilt/Telescopinglever.
WARNING!
Makealladjustmentstothesteer-
ingmechanismwhilethevehicle
isstopped.AdjustingtheTilt-T ele-
scopingSteeringWheelwhilethe
vehicleisinmotioncouldcauseloss
ofcontrol.Youwouldn’tbeableto
steerproperlyandcouldhavean
accidentresultingindeathorper-
sonalinjury.
(03/17)Y53-6060-1C13-41
3
STEERINGCOLUMN-MOUNTEDCONTROLS
Toadjustthesteeringwheel,PUSH
andHOLDtheleverdownfully.Push
orpullthewheeltothedesiredheight
andangle,thenPUSHtheleverback
intothelockedposition.
SteeringColumnLocked
SteeringColumnUnlocked
2.TurnSignal/HighBeamSwitch
NOTE
Theignitionkeymustbeturnedto
ONforthesignal/switchtooperate.
Thelever-actionturnsignal/highbeam
switchislocatedontheleftsideof
thesteeringcolumn.Eachtimeaturn
indicatorisactivatedthebuzzeremits
ashortbeep.
TurnSignals
TurnSignal
•Tosignalarightturn,pushthe
leverforward(clockwise).
3-42Y53-6060-1C1(03/17)
3
STEERINGCOLUMN-MOUNTEDCONTROLS
•Tosignalaleftturn,pullthelever
back(counterclockwise).
•Eachtimetheturnindicatoris
activatedtheaudiblewarning
emitsashortbeep.
NOTE
Ifthevehicleturnsignalsandturn
signalindicatorsinthedashgauge
clustereverbeginashingatan
acceleratedrate(115cyclesper
minute)whentheturnsignallever
isintheOFF(center)position,or
whenaRight/Leftturnhasbeense-
lected,theproblemmayberelated
toafailedturnsignalswitchorturn
signalmodule.Ineithercase,the
problemisnotafailedbulb.Contact
yournearestauthorizeddealerto
havetheproblemcorrectedassoon
aspossible.
WARNING!
Afteryoucompleteaturn,shutthe
systemoffbyreturningtheleverto
the"OFF"(center)position.Failure
toshutoffaturnsignalcouldcon-
fuseotherdriversandresultinan
injuryaccident.Anindicatorlightin
theinstrumentpanelwillashuntil
theturnsignalisturnedoff.
HighBeam
NOTE
TheheadlightsmustbeONforthe
highbeamswitchtooperate.
•Toswitchyourheadlightstolower
orhigherbeam,gentlypulltheturn
signallever,towardthesteering
wheel,untilyouheartheswitch
clickandthebeamchanges.
Theblueindicatorlightinthe
instrumentpanelwillbeONwhen
thehighbeamisbeingused.
•Toreturntopreviousbeam:pull
thelevertowardsthesteering
wheelagain.
•Thehighbeamscanbe
momentarilyashedwithor
withouttheheadlightsbeingon.
Toashthehighbeams,gently
pushtheheadlightleverawayfrom
thesteeringwheeltomomentarily
turnonthelights.
NOTE
Continuedpressingofthehigh
beamashwillnotkeepthehigh
beamson.
(03/17)Y53-6060-1C13-43
3
STEERINGCOLUMN-MOUNTEDCONTROLS
Flashtopass
IDandClearanceLightsFlash
WindshieldWipers/Washer
Yourvehicleisequippedwitha
two-speed,intermittentwindshield
wipersystem.Thewindshieldwiper
systemisintegratedwiththeexterior
lightssothatthelowbeamheadlights
willturnonwhenthewindshieldwipers
turnon.
Tooverridethisfunction,turn
theheadlightsonandthenoff
againandthelowbeamswillturn
off.Permanentlyoverridingthis
functionalityisattainableviathe
SettingsMenuintheinstrumentcluster
display.GotoSettings->Wiper
InterlockandturnthisvaluetoOFF.
Aseven-positionrotarywiperswitch
(locatedontheturnsignallever)
operatesthewindshieldwipersand
washer.Rotatetheendoftheturn
signallevertochangethewipermode.
3-44Y53-6060-1C1(03/17)
3
STEERINGCOLUMN-MOUNTEDCONTROLS
NOTE
Theignitionkeymustbeturnedto
ONorACCforthewiper/washer
switchestooperate.
Wiper/Washer
TherstpositionafterOFFisthe
intermittent#1cycle.Thenext
positionsareintermittent#2,#3,and
#4.Thelasttwopositionsarewiper
lowspeedandwiperhighspeed.
Towashthewindshield
Pushtherotarywash/wipeknobin
(towardssteeringcolumn),holdfor
morethan0.8secondsandthen
release.Holdtheknobintoextend
thewashingcycle.Afterthelever
isreleased,thewiperswillshutoff
automaticallyorresumethewiper’s
settingspeed.
Toactivatethewipersforoneswipe
withoutactivatingthewasher("mist"
function),pushtheturnsignallever
in(towardsthesteeringcolumn)and
releaseinlessthan0.5seconds.The
wiperswillperformasingleswipeand
thenresumethewiper’ssettingspeed.
WARNING!
Cleanbladesregularlywithadamp
clothtoremoveroadlmandwax
build-up.Donotdrivewithwornor
dirtywiperblades.Theycanreduce
visibility,makingdrivinghazardous
whichmayleadtoaninjuryaccident
resultingindeathorpersonalinjury.
CAUTION
Donotuseantifreezeorengine
coolantinthewindshieldwasher
reservoir-damagetosealsand
othercomponentswillresult.
CAUTION
Iftheelectricpumpisoperatedfora
longperiod(morethan15seconds)
withadryreservoir,thepumpmotor
maybedamaged.
Checkthewindshieldwashinguid
leveldaily.Ifnecessary,lltotop.
Cleanallinsideandoutsidewindows
regularly.Useanalcohol-based
cleaningsolutionandwipedrywith
eitheralint-freeorachamoiscloth.
Avoidrunningthewiperbladesovera
drywindshieldtopreventscratching
theglass.Sprayonwasheruidrst.
Ascratchedwindshieldwillreduce
visibility.
(03/17)Y53-6060-1C13-45
3
STEERINGCOLUMN-MOUNTEDCONTROLS
3.TrailerBrakeHandValve
Thishandvalve,mountedonthe
steeringwheelcolumn,providesair
pressuretoapplythetrailerbrakes
only.Itoperatesindependentlyof
thefoottreadlevalve.SeeUsingthe
BrakeSystemonpage4-24,formore
instructionsonproperuseoftheTrailer
BrakeHandValve.
Horn
ElectricHorn
YourPeterbilthasanelectrichorn.
Tooperate,pressonthehornsymbol
nearthecenterofthesteeringwheel.
AirOperatedHorn(Option)
YourMediumDutymaybeequipped
withanairhorn.Tooperate,pullonthe
lanyardextendingfromtheoverhead
headerpanel.
3-46Y53-6060-1C1(03/17)
3
DASH-ANDDOOR-MOUNTEDCONTROLS
DASH-AND
DOOR-MOUNTED
CONTROLS
IgnitionSwitch
Yourignitionswitchhasfour
(unmarked)positions:
1.ACC(Accessory):Withyourkey
inthispositionyoucanplaythe
radiooruseotheraccessories,but
yourenginewon’tstart.
2.OFF:Inthispositionallsystems
areoff,andyoucanremoveyour
key.
3.IGN&ACC:Thispositionallows
youtoturnontheengineandall
accessorypower.
4.START:Starteractivationtostart
engine.
HazardFlasher
Thefour-wayEmergencyFlasher
switchislocatedtotherightofthe
ignitionkeyswitch.Withtheswitch
intheONposition,theemergency
ashermakesallfourturnsignals
(frontandrear)ashsimultaneously.
Theasherworksindependentlyofthe
ignitionswitch.Youshouldalwaysuse
theasherifthevehicleisdisabledor
parkedunderemergencyconditions.
(03/17)Y53-6060-1C13-47
3
DASH-ANDDOOR-MOUNTEDCONTROLS
WARNING!
UseyourHazardFlasherWarning
Systemanytimeyouhavetostopoff
theroadoronthesideoftheroad,
dayornight.Ahard-to-seevehi-
clecanresultinaninjuryaccident.
Anothervehiclecouldrunintoyou
ifyoudonotsetyourashersand
followtheplacementofemergency
signalsperFMCSR392.22.Always
movethevehicleasafedistanceoff
theroadwhenstalledorstopped
forrepairs.Adisabledvehiclecan
bedangerousforyouandothers.
Thehotexhaustsystemcouldig-
nitedrygrass,spilledfuel,orother
substances.Donotparkoroperate
yourvehiclewheretheexhaustsys-
temcouldcontactdrygrass,brush,
spilledfuel,oranyothermaterialthat
couldcauseare.
DaytimeRunningLights
OnvehiclesequippedwiththeDaytime
RunningLight(DRL)system,the
lowbeamheadlightsareturnedON
automaticallyatreducedbrightness(to
conserveheadlamplife).
IftheheadlightswitchisturnedOFF ,
theDRLsystemengagesautomatically
aftertheenginestartsandyourelease
theparkingbrake.Iftheheadlight
switchisON,theDRLsystemis
overridden,andheadlightsoperate
normally.
WARNING!
Donotusedaytimerunninglights
(DRL)duringperiodsofdarknessor
reducedvisibility.DonotuseDRLas
asubstituteforheadlightsorother
lightsduringoperationsthatrequire
lightingofyourvehicle.Doingso
couldleadtoaninjuryaccident.
CAUTION
Onvehiclesequippedwithdaytime
runninglights(DRL),thehigh-beam
headlampsgoonautomaticallyat
reducedbrightnessiftheengineis
runningandtheheadlampswitch
isturnedoff.Thedaytimerunning
lightsareturnedoffautomatically
whiletheparkingbrakeisengaged.
Iftheheadlampswitchisturned
on,theDRLsystemisoverridden&
headlampsoperatenormally.
3-48Y53-6060-1C1(03/17)
3
DASH-ANDDOOR-MOUNTEDCONTROLS
PanelLightDimmer
ThePanelLightDimmerletsyouvary
thebrightnessofyourinstrumentpanel
lights.
ToOperateYourPanelLightDimmer:
1.Turnoneithertheheadlightsor
clearancelights.
2.Tobrightentheinstrumentlights,
rotatethethumbwheelup.
3.Todimtheinstrumentlights,rotate
thethumbwheeldown.
IDandClearanceLights
Switch
Thesearetheamberlightsontopof
yourcab,thelightsonthefrontand
sidesofthetrailer,andtheredlightson
therearofatruckortrailer.Theyare
controlledbythecontrolpanelswitch
labelledCLLPSorwiththesymbol
shownabove.
DomeLight
Thecenter-mounteddomelightis
operatedbygentlypushingonthelens
untilaclickisheard.Thesameaction
turnsthelightonoroff,dependingon
itspreviousstate.
(03/17)Y53-6060-1C13-49
3
DASH-ANDDOOR-MOUNTEDCONTROLS
FogLightsSwitch
Ifyourvehiclehasfoglights,turnthem
ONorOFFwiththecontrolpanel
switchwiththesymbolshownabove.
NOTE
AcrosstheU.S.A.andCanada,
State/Provincialrequirementsvary
astowhenhighbeamsandfoglights
canandcannotbeusedtogether.
Somestatesallowonlyfourlightsto
beusedtogether,whilesomeallow
more.Howyourlightsarearranged
willaffectwhetheryoucanoperate
headlightsandfoglightsconcur-
rently—alwayscomplywiththestate
orprovincialrequirementswhere
youaredriving.
AirSuspensionDeate
Switch(DumpValve)
YourPeterbiltvehiclemayhavean
airsuspensiondeationswitchwhich
allowstheairinthesuspensiontobe
exhaustedfromaswitchonthedash.
Thepurposeofthisfeatureistoallow
youtoloweryourtractortogetunder
atrailer.Youmaynoticeaguardover
theswitch.Thispreventsyoufrom
accidentallydeatingthesuspension.
3-50Y53-6060-1C1(03/17)
3
DASH-ANDDOOR-MOUNTEDCONTROLS
WARNING!
OperatingtheAirSuspensionDe-
ateSwitch(DumpValve)whiledriv-
ingcanleadtoanaccident.Sudden
deationwhileyourvehicleismov-
ingcanaffecthandlingandcontrol.
Usethisswitchonlywhenyourvehi-
cleisnotmoving.
CAUTION
Operatingavehiclewithairsuspen-
sionbagseitheroverinatedorun-
derinatedmaycausedamageto
drivelinecomponents.Ifavehicle
mustbeoperatedundersuchcon-
ditions,donotexceed5mph.
CruiseControlSwitch
Themasterswitchturnsthecruise
controlONorOFF.Thesecondswitch
allowsyoutoSETthedesiredspeed
orRESUMEthedesiredspeedafter
thecruisecontrolfunctionhasbeen
interrupted.
WARNING!
Donotoperatethecruisecontrol
whenoperatingonroadsurfaces
withpoortraction(wet,icy,orsnow
coveredroads)orinheavytrafc.
Accelerationscausedbythenormal
operationofthecruisecontrolcould
causeyoutolosecontroloftheve-
hicleresultinginaninjuryaccident.
NOTE
Cruisecontrolfunctionsandfea-
turesmayvarydependingupon
whichengineyouhave.Forspecic
explanationofyourcruisecontrol,
seethecruisecontrolorengine
manualincludedwithyourvehicle.
(03/17)Y53-6060-1C13-51
3
DASH-ANDDOOR-MOUNTEDCONTROLS
Thisvehilcle’selectronicsystemwill
performa‘rationalitycheck’everytime
thevehicleisstarted.Thischeckis
toensurethattheservicebrakesare
workingbeforeallowingcruisecontrol
tofunction.Thissafetyfeatureis
designedtoensurethatadriverisable
tocancelthecruisesetspeedbyusing
theservicebrakepedal.Thesystem
willnotallowcruisecontroloperationif
itdoesnotpassthe‘rationalitycheck’.
TheDriverInformationDisplaywill
promptyoutopresstheservicebrake
pedalifithasnotbeenpressedsince
thevehiclehasbeenstarted.
RegenerationSwitch
Inordertomeet2007EPAengine
emissionrequirements,vehicles
willhaveaeitheratwoorthree
positionswitchtohelpcontroland
maintaintheexhaustDieselParticulate
Filter.PleaserefertotheExhaust
AftertreatmentSystemSupplement
providedwiththevehicleformore
detailedinformationabouttheemission
controlsystem.
START:Depressingthebuttoninthe
STARTdirectionfor4to8secondswill
initiateaparkedregeneration.Besure
toreleasethebuttontoensurethat
thesystemwillbegintheregeneration
cycle.
CENTER:(threepositionswitchonly)
Centeristhenormalpositionofthe
switch.Thecenterpositionwillallow
anautomaticregenerationtooccur.
STOP:(threepositionswitchonly)
WhenSTOPispressedthesystemwill
notregenerateunderanyconditions.
CAUTION
Donotleavethethreeposition
switchintheSTOPpositionunless
youneedtocancelorstopregen-
eration.Leavingtheswitchinthe
STOPpositionforextendedperiods
oftimewillresultinincreasedsoot
levelsintheDPF .
3-52Y53-6060-1C1(03/17)
3
DASH-ANDDOOR-MOUNTEDCONTROLS
PowerMirrorSwitch
Ifyourvehicleisequippedwith
powermirrors,themirrorcontrolswill
belocatedonthedriversidedoor
pad.Aerodynamic-stylemirrors
arecontrolledfor4-wayadjustable
movement,whileMotomirrorsare
controlledfor2-wayadjustable
movement.
WARNING!
Convexmirrorscandistortimages
andmakeobjectsappearsmaller
andfartherawaythantheyreally
are.Youcouldhaveanaccident
ifyouaretooclosetoanotherve-
hicleorotherobject.Keepplenty
ofspacebetweenyourvehicleand
otherswhenyouturnorchange
lanes.Rememberthatotherobjects
arecloserthantheymayappear.
NOTE
ThePowerMirrorSwitchdoesnot
controltheadjustmentoftheconvex
mirrors.
ToAdjustMotoMirrors
1.Movethemirrorselectorswitch
totherightorleftfromtheneutral
centerpositiontoselectthe
desiredmirrorforadjustment.
NOTE
Ifthemirrorisxed(non-motorized)
ontheleftside,thenthemirrorselec-
torswitchwillONLYallowselection
oftheneutralandrightmirrorswitch
positions.
2.Depressthemirrordirectional
controlpadtowardsthearrows
pointingleftorrighttoadjustthe
mirrorin/out.
NOTE
Aftermirroradjustmentshavebeen
completed,returnthemirrorselec-
torswitchbacktothecenter(neutral)
position,topreventunintentionalad-
justmentstothemirrors.
(03/17)Y53-6060-1C13-53
3
DASH-ANDDOOR-MOUNTEDCONTROLS
MirrorHeatSwitch
Yourvehiclemaybeequippedwith
optionalheatedmirrors.Mirrorheat
iscontrolledbythemirrorheatswitch
button,whichispartofthemirrorswitch
modulelocatedonthedriversidedoor
pad.Motorizedmirrorswithmirrorheat
haveanautomatic15-minute"time
out"feature,wherethemirrorheat-only
moduleisautomaticallydeactivated.
Todefrostthemirrorsincoldweather,
depressthemirrorheatswitchbutton
andrelease.Themirrorheatsymbol
inthebuttonwillilluminatetoindicate
themirrorheatfunctionhasbeen
activated.Pressingandreleasingthe
buttonagainturnsthemirrorheatand
theindicatorlightOff.
NOTE
Theeffectsofdirectsunlight,orthe
useofmirrorheat,willincreasethe
outsideairtemperaturedisplayed
whilethevehicleisstationary.
PowerWindowSwitch
Yourvehicleisprobablyequippedwith
powerwindows.Powerwindowrocker
switchesarelocatedonthedoorpads
(aswitchforthepassengerwindowis
alsoonthedriversidedoorpad,as
shownabove).
Toopenorcloseawindow,depress
theswitchforthatwindowatthe
endthatdisplaysadownward-or
upward-directedarrow,respectively,in
thewindowsymbolontheswitchface.
Releasetheswitchtostopwindow
movement.
3-54Y53-6060-1C1(03/17)
3
DASH-ANDDOOR-MOUNTEDCONTROLS
PowerDoorLockSwitch
Yourvehicleisprobablyequippedwith
powerdoorlocks.Powerdoorlock
rockerswitchesarelocatedonthe
doorpads(switchonthedriverside
doorpadisshownabove).
Tolockorunlockbothcabdoors
aswellasasleeperdoor,depress
anydoorlockswitchattheendthat
displaysaclosedoropenpadlock
symbol,respectively,ontheswitch
face.
JacobsEngineBrakeor
Cummins"C"BrakeSwitch
TheON/OFFswitchturnsthesystem
ONorOFF.Thesecondswitch
performstheprogressivebraking
functionthatcontrolstheamountof
retarding.
•Ifyouhavethetwo-modesystem,
youcanselectHIGHorLOW.
•Ifyouhavethethree-mode
system,youcanselectlow,
medium,orhighretarding.
(03/17)Y53-6060-1C13-55
3
DASH-ANDDOOR-MOUNTEDCONTROLS
InteraxleDifferentialLock
Switch
Theinteraxledifferentialallows
differentialactionbetweentheforward
rearandtherearreardrivingaxles.
Theinteraxledifferentiallockswitch
allowstheoperatortoLOCKor
UNLOCKthedifferential.Theguard
overthisswitchpreventsyoufrom
accidentallyactivatingthelock.
WARNING!
Placingthedifferentiallockinthe
"LOCK"positionwhileyourwheels
arespinningcouldcauselossof
controloraxledamage.Youcould
behurt.Switchto"LOCK"only
whenyourwheelsarenotspinning.
SeeInteraxleDifferentialonpage4-47
formoreinformationonusingyour
interaxledifferential.
Two-SpeedRearAxle
(Range)Switch
Ifyourvehicleisequippedwitha
two-speedrearaxle,youcanselect
theaxlerangebythedashmounted
switchshownabove.Thelowrange
providesmaximumtorqueforoperating
off-highway.Thehighrangeisafaster
ratioforhighwayspeeds.
3-56Y53-6060-1C1(03/17)
3
DASH-ANDDOOR-MOUNTEDCONTROLS
FifthWheelLock(Slider
Adjustment)Switch
WARNING!
Donotmovethefthwheelwhile
thetractor-trailerisinmotion.Move-
mentofthefthwheelwhileatrac-
tor-trailerismovingcancausease-
riousaccident.Yourloadcouldshift
suddenly,causingyoutolosecon-
trolofthevehicle.Neveroperate
thevehiclewiththeswitchintheun-
lockposition.Alwaysinspectthe
fthwheelafteryoulocktheswitch
tobesurethefthwheelisengaged.
Vehicleshavinganairslidefthwheel
haveafthwheelsliderlockcontrolled
byaswitchontheinstrumentpanel.
Byplacingtheswitchintheunlock
position,youcanslidethefthwheel
tovariouspositionstoadjustweight
distribution.Thereisaguardover
thisswitchtoprotectyouagainst
accidentallyactivatingorreleasingthe
lock.
ParkingBrakeValveand
TrailerAirSupplyValve
Beforeyouleavethecab,applyall
parkingbrakes.
(03/17)Y53-6060-1C13-57
3
DASH-ANDDOOR-MOUNTEDCONTROLS
VehicleswithAirBrakes:
1.Applyallparkingbrakes.Pull
outtheYellowParkingBrake
Controlknob(1)locatedon
thedash.Intractors,theRed
(octagon-shaped)TrailerAir
SupplyControlknob(2)will
automaticallypopout.
FullTruckParkingBrakeValve
Combination(Tractor/Trailer)
ParkingBrakeControlValves
WARNING!
Donotleavethecabwithoutapplying
theparkingbrake.Thetruckcould
rollandcauseaninjuryaccident.Al-
waysapplytheparkingbrakebefore
youleavethecab.
2.Shiftthetransmissionintoits
PARKposition.
3.TurnthekeytoOFF.
4.Removethekey.
WARNING!
Donotpullouttheparkingbrake
valvewhilethevehicleismoving.
Stoppingwiththeparkingbrakecon-
trolscancauseasuddenwheellock-
up,lossofcontrol,orover-takeby
followingvehicles.Youcouldbese-
verelyinjured.
3-58Y53-6060-1C1(03/17)
3
DASH-ANDDOOR-MOUNTEDCONTROLS
VehicleswithHydraulicBrakes:
Theparkingbrakeconsistsofa
drivelinedrumbrakeactuatedbya
leverandcable.Thehandlever,
mountedonthevehicle'scaboor,
pullsorreleasesthecablecontrolling
thebrake.Pullingupwardonthe
parkingbrakeleverpullsthecable
andexpandsthedrivelinebrakeshoes
outwardagainstthedrivelinebrake
drum.
Thedrivelinebrakeisdisengagedby
pushingthehandledownwardtoits
lowestposition.
NOTE
Failuretofullyreleasetheparking
brakecancausethebrakestoover-
heat.
CAUTION
Unlessitisanemergency,donot
pullupwardontheparkingbrake
leverwhilethevehicleismoving.
Attemptingtostopwiththeparking
brakecouldcausedamagetothe
driveline,transmission,orthepark-
ingbrakemechanismitself.
Usingtheparkingbrake:
1.Cometoacompletestop.
2.Applytheparkingbrake.Pull
upwardontheparkingbrakelever
untilitreachesanover(top)center
position.(ThePARKlightonthe
dashwillcomeon.)
NOTE
Ensuretheleverisovercenter.The
lightwillcomeonpriortobrakebeing
fullyapplied.
(03/17)Y53-6060-1C13-59
3
DASH-ANDDOOR-MOUNTEDCONTROLS
PowerPort
Powerportsareavailableinthe
cabtooperateaccessories.The12
voltpowercircuitisprotectedbya
10-amperefusetopreventdamage.
WARNING!
Donotexceedthevoltage/amper-
agecapacityofthecigarettelighter.
Itcouldresultinare.Followall
warningsandinstructionsintheop-
erator'smanualfortheappliance
youareusing.
Thereceptaclemaybeusedtopower
auxiliaryequipmentnotdrawingmore
than15amperesmaximum.While
therearetworeceptaclesatthetopof
thedashboard,thereisonemoreon
thebaseofthecupholders.
Cupholders/Ashtray
Yourvehiclecomesstandardwithtwo
cupholderslocatedinthecenterofthe
cab,belowthedashboard.Thisvehicle
mayhaveanoptionalashtraywhichis
designedtotintoonecupholder.
WARNING!
Paperorothercombustiblesub-
stancesinanashtraycouldcause
are.Keepallburnablematerials
besidessmokingmaterialsoutof
theashtray.
3-60Y53-6060-1C1(03/17)
3
DASH-ANDDOOR-MOUNTEDCONTROLS
ShiftPatternDisplay
Thecorrectshiftpatternforyour
vehicleappearsonyourcontrolpanel
orwindshieldoronamedallioninthe
shiftknob.Itisimportantthatyouknow
moreaboutyourtransmissionthan
justtheshiftpattern.Pleasereadthe
manufacturer’smanualthatisincluded
withyourvehicle.
(03/17)Y53-6060-1C13-61
3
HEATINGANDAIRCONDITIONING
HEATINGANDAIR
CONDITIONING
CabControls
1.FanControlDial
4.Floor
7.TemperatureControlDial
2.Dash
5.Floor&Defrost8.AirConditionerEnable,BlueLight(On)IndicatesA/CisEnabled
3.Dash&Floor6.Defrost9.FreshAir/Recirculate,BlueLight(On)IndicatesRecirculatedAir
3-62Y53-6060-1C1(03/17)
3
HEATINGANDAIRCONDITIONING
Introduction
WARNING!
Donotdrivewithvisibilityreduced
byfog,condensation,orfrostonthe
windshield.Yourviewmaybeob-
scured,whichmayresultindeath,
personalinjury,equipmentorprop-
ertydamage.Forclearvisibilityand
safedrivingitisextremelyimpor-
tantforyoutofollowtheinstructions
pertainingtothefunctionanduse
oftheventilation/heatinganddefog-
ging/defrostingsystem.Ifindoubt,
consultyourdealer.Maximumheat-
ingoutputandfastdefrostingcanbe
obtainedonlyaftertheenginehas
reachedoperatingtemperature.
WARNING!
Exhaustfumesfromtheenginecon-
taincarbonmonoxide,acolorless
andodorlessgas.Donotbreathe
theengineexhaustgas.Apoorly
maintained,damagedorcorroded
exhaustsystemcanallowcarbon
monoxidetoenterthecab.Entryof
carbonmonoxideintothecabisalso
possiblefromothervehiclesnearby.
Failuretoproperlymaintainyourve-
hiclecouldcausecarbonmonoxide
toenterthecab,resultingindeathor
personalinjury.
WARNING!
Neveridleyourvehicleforprolonged
periodsoftimeifyousensethatex-
haustfumesareenteringthecab.
Investigatethecauseofthefumes
andcorrectitassoonaspossible.
Ifthevehiclemustbedrivenunder
theseconditions,driveonlywiththe
windowsopen.Failuretorepairthe
sourceoftheexhaustfumesmayre-
sultindeath,personalinjury,equip-
mentorpropertydamage.
(03/17)Y53-6060-1C13-63
3
HEATINGANDAIRCONDITIONING
NOTE
Keeptheengineexhaustsystem
andthevehiclescabventilation
systemproperlymaintained.Itis
recommendedthatthevehiclesex-
haustsystemandcabbeinspected:
•Byacompetenttechnicianevery
15,000miles
•Wheneverachangeisnoticedin
thesoundoftheexhaustsystem
•Whenevertheexhaustsystem,
underbody,orcabisdamaged
NOTE
Toallowforproperoperationofthe
vehicleventilationsystem,keepthe
inletgrilleatthebaseofthewind-
shieldclearofsnow,ice,leavesand
otherobstructionsatalltimes.
CAUTION
Donotstayinthevehiclewiththe
enginerunningoridlingformore
than10minuteswiththevehicle's
HeaterandA/Cventilationsystem
inRECIRCoratLOWFANSPEED.
Evenwiththeventilationsystemon,
runningtheenginewhileparkedor
stoppedforprolongedperiodsof
timeisnotrecommended.
NOTE
Whenidlingforshortperiodsoftime:
•Settheheatingorcooling
systemtoHeatorA/C
•SetthefantoMediumorHigh
speed
•SetthecontrolstoFRESHAIR
NOTE
Ifyouarerequiredtoidleyourve-
hicleforlongperiodsoftime,install
anauxiliaryheaterorautomaticidle
control.Theseauxiliarydevicescan
reducefuelconsumptionandsave
youmoney.
NOTE
Ifyouareparkednexttoidlingve-
hicles,moveyourvehicleordonot
stayinyourvehicleforprolongedpe-
riodsoftime.
3-64Y53-6060-1C1(03/17)
3
HEATINGANDAIRCONDITIONING
ManualControls
WhatEachControlDoes
FanSpeedAdjustment
TurningthisdialclockwisefromtheOFF
positionturnsthefanONandincreases
thefanspeed.
AirFlowControlDial
Thisdialdirectstheairowthrough5
primarysetsofvents:
InstrumentPaneland
De-misterVents
InstrumentPanel,De-mister
andFloorVents
FloorandDe-misterVents
Floor,De-misterVentsand
*DefrostVents
*DefrostandDe-misterVents
*Freshairandairconditioningare
automaticallyturnedON.
TemperatureControlDial
Turnthisdialclockwiseforheat,
counterclockwiseforcool.
AirConditionerSwitch
ThisbuttonturnstheA/Ccompressoron
andoff.WhenusingtheMaxDeffunction
theuserwillnotbeabletoturnofftheAC
compressorwiththisbutton.
NOTE
FanControlDialmustalsobe
intheONpositionforA/Ctobe
on.A/Cengagesautomatically
inAUTO,defrostandoor/de-
frost.
(03/17)Y53-6060-1C13-65
3
HEATINGANDAIRCONDITIONING
FreshAir/Recirculation
Switch
Thisswitchcontrolsthesourceoftheair
owingintotheheaterandairconditioner
unit
Recirculatedairmayreducetheamount
oftimeneededtocooldowntheinteriorof
thevehicle(whenusedwithA/C)andmay
alsohelpreduceundesiredoutsideodors
fromreachingtheinteriorofthevehicle.
Thisbuttoncanbeengagedmanuallyin
anynon-defrostmodes.
NOTE
Youmaynoticechangesinsound
betweenrecirculatedmodeand
otherairowmodes.
TipsforEfcientCooling
Anairconditionercanreducefogbuild
uponthewindshieldbysettingittothe
defrostortheoor/defrostairselection.
Toincreasetheeffectivenessofthe
airconditioner,usetheA/Cbutton
intheONposition,increasetheair
temperaturesettingand/orincrease
thefanspeed.
Ifthecabinbecomeshumidordamp,
usetheairconditionerwiththefan
on,withfreshair(notinrecirculateair
mode)andtheA/CintheONposition
todrythecabinair.
Insituationswheremorecoolingof
thecabisrequired,makesurethe
systemisintherecirculationmode.
Thissettingwillbemoreeffectivethan
usingfreshair.
HowToUseTheSystem
Theenginemustberunningforthe
heaterandairconditionertogenerate
hotandcoldair.
ToCool
PushtheFresh
Air/RecirculationSwitchtothe
FreshAirmode(Blueindicator
lightoff).Manuallysettingthe
systemtorecirculateairwill
increasetheeffectivenessand
usestheleastamountoffuel.
TurnONtheFanControlDialto
thedesiredfanspeed.
TurnT emperatureDialtoDesiredSetting.
3-66Y53-6060-1C1(03/17)
3
HEATINGANDAIRCONDITIONING
TurntheAirFlowControlDial
toDashVents.
Iftheoutsideairisnotcold
enoughtocoolthecab,pressto
engagethecompressorwhich
willdelivercolderair.
Formorecoolingeffect,you
mayneedtopresstheswitch
backtorecirculationmode.
ToHeat
TurntheFanControlDialONto
thedesiredfanspeed.
TurntheAirFlowControlDial
toFloorVents.
AdjusttheTemperatureControlDial
clockwiseuntiltheairtemperature
feelscomfortable.
Usingthisfunctionin"manual"mode
willprovidethemaximumheating
performance.
ToDehumidify
PushtheFreshAir/Recirculate
SwitchtotheFreshAirmode
(Blueindicatorlightoff).
TurnONtheAirConditioning
Switch(Blueindicatorlighton).
TurnONtheFanControlDialto
thedesiredfanspeed.
AdjusttheT emperatureControl
Dialuntiltheairtemperaturefeels
comfortable.
Theairconditionerremovesmoisture
fromtheairwhiletheheaterheatsthe
air.
ToDefogandDefrosttheWindshield
TurntheFanControlDial
clockwisetothehighestfan
speed.
TurntheAirFlowControlDialto
DefrostVents.
(03/17)Y53-6060-1C13-67
3
HEATINGANDAIRCONDITIONING
Freshairandairconditioningare
automaticallyturnedON.
AdjusttheTemperatureControlDial
clockwisetofullheat.
CAUTION
Duringextremecoldweather,donot
blowhotdefrosterairontocoldwind-
shields.Thiscouldcracktheglass.
TurntheAirFlowControlDialtoDe-
frostandadjustthefanspeedac-
cordinglywhiletheenginewarms.If
theengineisalreadywarm,move
theT emperatureControlDialtocool,
thengraduallyincreasethetemper-
aturewhenyouseethatthewind-
shieldisstartingtowarmup.Failure
tocomplymayresultinequipment
damage.
3-68Y53-6060-1C1(03/17)
3
ACCESSORIES
ACCESSORIES
NavigationSystem
Yourvehiclemaybeequippedwith
aPeterbiltNavigationSystem.This
systemisaGlobalPositioningSatellite
(GPS)-linkedcomputer.Itreceives
inputfrommultiplesourcestolocate
yourvehicle.Readandunderstand
theSupplementalNavigationSystem
Owner’sManualandobservethe
Warnings,Cautions,andNotesthat
followbeforeusingthesystem.
WARNING!
Verifylegalweightandheightre-
strictionsfortheroutesuggestedby
theNavigationSystem.Failureto
verifyheightrestrictionscouldlead
topersonalinjury.Failuretoverify
weightrestrictionscouldresultina
trafcinfraction.
WARNING!
OnlyglanceattheNavigationSys-
temmonitorwhiledriving.Pro-
longedperiodsofviewingwhile
drivingcouldresultinanaccident
andpossiblepersonalinjury.
WARNING!
DonotprogramtheNavigationSys-
temwhiledriving.Alwaysstop
yourvehiclewhenprogrammingor
changingthesettingsontheNav-
igationSystem.Programmingthe
systemwhiledrivingcancauseyou
totakeyoureyesofftheroad,which
couldresultinanaccident.Failure
todosocouldleadtoseriousinjury
orequipmentdamage.
CAUTION
DonotrelyontheNavigationSys-
temtorouteyoutotheclosestemer-
gencyservices.Notallemergency
servicesareinthedatabase.
NOTE
Regardlessofhowandwherethe
navigationsystemdirectsyou,itis
yourresponsibilitytooperatetheve-
hicleinasafeandlegalmanner.
NOTE
Ensurethevolumelevelofallaudio
devicesissettoalevelthatstillal-
lowsyoutohearoutsidetrafcand
emergencyvehicles.
(03/17)Y53-6060-1C13-69
3
ACCESSORIES
NOTE
Themapdatabaseisthemostcur-
rentavailableatthetimeofproduc-
tion.Thedatabaseisdesignedto
provideyouwithroutesuggestions
anddoesnottakeintoaccountthe
relativesafetyofasuggestedroute
oroffactorsthatmayaffectthetime
requiredtoreachyourdestination.
SeetheSupplementalNavigation
SystemOwner’sManualformore
information.
Radio
Asanoption,yourvehiclehaseither
anAM/FMStereoReceiveroran
AM/FMStereo/CassettePlayer.
Forinstructionsonhowtooperateyour
particularradio,seethemanufacturer's
RadioOperatingInstructionsinthe
glovecompartment.
GloveCompartment
Aglovecompartmentisprovidedto
storeimportantdocuments,thevehicle
literatureset(includingthisOperator's
Manual)andotherrelatedmaterials.
Youcanopenitbypushingtheknob
onthefront.
•Toclose,pushthecoverupand
presstolatchit.
•Youcanlockandunlockthe
glovecompartmentdoorwith
yourignitionkey;turnitclockwise
tolockandcounterclockwiseto
unlock.
3-70Y53-6060-1C1(03/17)
3
ACCESSORIES
WARNING!
Donotdrivewiththeglovecompart-
mentopen,itcanbedangerous.In
anaccidentorsuddenstop,youora
passengercouldbethrownagainst
thecoverandbeinjured.T oreduce
theriskofpersonalinjuryduringan
accidentorsuddenstop,keepthe
glovecompartmentclosedwhenthe
vehicleisinmotion.
WARNING!
Donotcarrylooseobjectsinyour
cab,itcanbedangerous.Inasud-
denstop,orevengoingoverabump
intheroad,theycouldythrough
theairandstrikeyouorapassenger.
Youcouldbeinjuredorevenkilled.
Securealllooseobjectsinthecab
beforemovingthevehicle.
VehicleTelematicSystem
Yourvehiclemaybeequippedwith
anonboardtelematicssystem.This
systemisaGlobalPositioningSatellite
(GPS)-linkedcomputer.Itreceives
inputfrommultiplesourcestolocate
yourvehicle.Readandunderstand
theSupplementalTelematicsand
NavigationSystemOwner’sManual
andobservetheWarnings,Cautions,
andNotesthatfollowbeforeusingthe
system.
WARNING!
Verifylegalweightandheightre-
strictionsfortheroutesuggested
bythetelematicsystem.Failureto
verifyheightrestrictionscouldlead
tocausingdeath,personalinjuryor
propertydamage.Failuretoverify
weightrestrictionscouldresultina
trafcinfraction.
WARNING!
Onlyglanceatthesystemmonitor
whiledriving.Prolongedperiodsof
viewingwhiledrivingcouldresultin
anaccidentinvolvingdeathorper-
sonalinjury.
WARNING!
Donotprogramthetelematicsys-
temwhiledriving.Alwaysstop
yourvehiclewhenprogrammingor
changingthesettingsonthetelem-
aticsystem.Programmingthesys-
temwhiledrivingcancauseyouto
takeyoureyesofftheroad,which
couldresultinanaccidentinvolving
death,personalinjuryorequipment
damage.
(03/17)Y53-6060-1C13-71
3
ACCESSORIES
WARNING!
Regardlessofhowandwherethe
navigationsystemdirectsyou,itis
yourresponsibilitytooperatethe
vehicleinasafeandlegalman-
ner.Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
WARNING!
Ensurethevolumelevelofallaudio
devicesissettoalevelthatstillal-
lowsyoutohearoutsidetrafcand
emergencyvehicles.Failuretocom-
plymayresultindeath,personalin-
jury,equipmentorpropertydamage.
CAUTION
Donotrelyonthetelematicsystem
torouteyoutotheclosestemer-
gencyservices.Notallemergency
servicesareinthedatabase.
NOTE
Themapdatabaseisthemostcur-
rentavailableatthetimeofproduc-
tion.Thedatabaseisdesignedto
provideyouwithroutesuggestions
anddoesnottakeintoaccountthe
relativesafetyofasuggestedroute
oroffactorsthatmayaffectthetime
requiredtoreachyourdestination.
SeetheSupplementalNavigation
SystemOwner’sManualformore
information.
CareoftheDisplayScreen
Fromtimetotimeitmaybenecessary
tocleanthedisplayscreen.T oclean
thescreen,dampenaclean,soft,
lint-freeclothwithwateronly.Amild
glasscleanerthatdoesnotcontain
alcoholorammoniamayalsobe
used.Cleanersthatcontainalcohol
and/orammoniawilleventuallydry-out,
crackand"yellow"thescreen.Wipe
thescreengentlybackandforth.You
canalsouseacommercialcleaner
especiallydesignedforLCDscreens.
3-72Y53-6060-1C1(03/17)
3
ACCESSORIES
ScreenDisplayOn/Off
1.PressandholdthePOWER/LIGHT
buttonforapproximately1second.
2.Afterthedisplayhasbeenturned
on,thefollowingWarning/Informational
screenwillappear:
Warning/InformationalScreen
WARNING
Donotletthisdevicedistractyouwhile
driving.Alwaysconcentrateonyour
driving.Distractionscouldcausean
accidentresultingininjuriestoyouor
others.
IMPORTANT
Disclaimer:Mapdatamaybeinaccurate
andnavigationroutesmaynotbe
availableforlargersizevehicles.
Regardlessofhowandwherethe
navigationsystemdirectsyou,itisyour
responsibilitytooperatethevehicleina
safeandlegalmanner.
Note:Beforeusingthissystem,read
theOwner'sManualandlearnhow
itoperates.Somefunctionsofthis
systemwillnotoperatewhenthetruck
ismoving.
3.Afterreadingtheinformation,touch
theT T
T
intheupperrightcornerofthe
screenwithyourngerindicatingyou
acknowledgeandunderstandthe
information.TheMENUscreenwill
automaticallyappearnext.
4.Toturnthesystemoff,pressand
holdthePOWER/LIGHTbuttonfor3
seconds.
Disclaimer
Thevehiclemanufacturerisnot
responsibleforerroneousmapdata,
misroutingoranydowntimeorother
damagesassociatedwithorarisingout
oftheuseoftheNavigationSystem.
(03/17)Y53-6060-1C13-73
3
STARTING&OPERATING
STARTING&OPERATING
Introduction..................4-5
NormalWeather................4-5
ColdWeather.................4-6
EngineBlockHeater(Option)...........4-6
EngineWarm-up................4-7
OPERATINGTHEENGINE
StationaryPTOOperation...........4-11
EngineFanControl..............4-11
Winterfronts.................4-12
EngineControlDisplay............4-13
OPERATINGTHETRANSMISSION
Introduction.................4-14
OperatingManualTransmissions........4-14
PuttingtheVehicleinMotion..........4-19
AutomaticandAutomatedTransmissions....4-22
AuxiliaryTransmission.............4-23
(03/17)Y53-6060-1C14-1
4
STARTING&OPERATING
MoreTransmissionTips............4-23
OPERATINGTHEBRAKESYSTEM
Introduction.................4-24
HydraulicBrakes...............4-35
Retarders..................4-41
ParkingBrake................4-43
CRUISECONTROL
CruiseControlSwitch.............4-44
AXLE
DifferentialLock...............4-47
DualRange(Two-Speed)RearAxle.......4-48
AuxiliaryAxles-PusherorTag.........4-50
SUSPENSION
SettingRideHeight..............4-57
DrivingwithDeatedAirSprings........4-60
AFTER-TREATMENTSYSTEM
Introduction.................4-61
4-2Y53-6060-1C1(03/17)
4
STARTING&OPERATING
DRIVINGTIPSANDTECHNIQUES
Introduction.................4-62
Coasting...................4-62
DescendingaGrade.............4-63
EngineOverspeed..............4-63
Fuel-ExcessConsumption..........4-64
STOPPINGTHEENGINE
BeforeStoppingtheEngine..........4-67
Refueling..................4-67
RefuelBeforetheFinalStop..........4-68
FinalStop..................4-69
(03/17)Y53-6060-1C14-3
4
STARTING&OPERATING
STARTING&
OPERATING
Introduction
Sinceeachvehicleis
custom-equipped,allengineoperation
instructionsinthismanualaregeneral.
Youwillwanttoconsultthemanualfor
yourenginetondoutdetailsabout
yourspecicengine’sneeds.You
mayneedtouseaslightlydifferent
procedurefromtheoneoutlinedhere.
Belowareinstructionsforboth
normal-temperaturestartingand
cold-weatherstarting.
NormalWeather
Whentheoutsidetemperatureis
above50°F(10°C),youcanusethe
followingprocedure.
1.Settheparkingbrake.
2.Putyourmaintransmissionin
Neutral.
3.Disengage(depress)theclutch
(withmanualtransmission).
4.TurnthekeyswitchtoON.
CAUTION
Neveroperatethestartermotorwhile
theengineisrunning.Thestarter
andywheelgearscouldclashor
jam,severelydamagingthem.
NOTE
Somestartersareequippedwith
overcrankprotection.Checkthe
"EngineOperationandMaintenance
Manual"fordetails.
5.TurntheignitionkeytotheSTART
position.Iftheenginedoesnot
startwithin30seconds,release
theignitionswitch.T oavoid
overtaxingthestartermotoror
thebatteries,don’tusethestarter
formorethan30seconds.Let
thestartermotorcoolandthe
batteriesrecoverfortwominutes
beforetryingagain.
Iftheenginestillwon’tstartaftera
coupleoftries,checkthefuellines
forpossiblefuelstarvationorair
leaks.Startingfailuremaymean
fuelisn’treachingtheinjectors.
6.Assoonastheenginestarts,begin
towatchtheoilpressuregauge.
Checkyourenginemanufacturer’s
(03/17)Y53-6060-1C14-5
4
STARTING&OPERATING
manualfortherightpressurefor
yourengine.Iftheoilpressure
doesn’trisewithinafewseconds,
stoptheengine.Findoutwhat
iswrongbeforerestartingthe
engine.
7.Slowlyengage(release)theclutch
aftertheenginehasstarted.
8.Waitfortheoilpressuregaugeto
reachnormaloperatingpressure
beforeoperatingthevehicleor
idlingfasterthan1000rpm.
ColdWeather
Incoldweather,fastenginestarting
helpsrelievetheloadsontheelectrical
systemandcrankingmotor.Usingthe
specialcoldstartingequipmentwill
helpstarting.Ifyoufollowafewsimple
guidelines,youwillextendtheservice
lifeofyourengine.
•Keeptheelectricalsystemintop
condition.
•Usethebestqualityfuelofthe
recommendedgrade.
•Userecommendedengine
lubricatingoil.
•Fullydepresstheaccelerator
pedalafterengagingthestarter.
•Formanualtransmissionsand
auxiliarytransmissions,leavethe
transmissioninneutralandallow
thetransmissionlubricatingoil
towarmup(approximately3-5
minutes)beforeoperatingvehicle.
EngineBlockHeater
(Option)
Topreheattheenginebeforestarting,
plugtheoptionalengineblockheater
intoaproperlygroundedACelectrical
source.Donotstarttheenginewith
theheaterpluggedin.
WARNING!
Engineblockheaterscancause
reswhichmayresultindeath,in-
juryand/orpropertydamageifnot
properlymaintainedandoperated.
Regularlyinspecttheengineblock
heaterwiringandconnectorfor
damagedorfrayedwires.Donot
usetheheaterifthereareanysigns
ofproblems.Contactyourautho-
rizeddealerorthemanufacturerof
theheaterifyouareinneedofre-
pairsorinformation.
4-6Y53-6060-1C1(03/17)
4
STARTING&OPERATING
CAUTION
Alwaysunplugheaterbeforestarting
theengine.Damagetothecooling
systemcouldoccuriftheheateris
notturnedOFF(unplugged).
Dependingonenginemake,whenthe
temperaturefallsbelow-10°F(-24°
C),theblockheaterisrequired.
•Useasolutionofhalfethylene
glycolantifreezeandhalfwaterfor
bestheaterperformance.Donot
exceed65percentconcentration
ofantifreeze,asashortened
heaterlifewillresult.SeeEngine
CoolingSystemonpage5-80,for
moreinformation.
•Afterservicingthecoolingsystem,
operatethevehicleforadayortwo
beforeusingtheheater.Trapped
airinsidetheengineneedstime
toescape.
EngineWarm-up
Engine
Thepurposeofenginewarm-upisto
allowoillmtobeestablishedbetween
pistonsandliners,shaftsandbearings
whileyourenginegraduallyreaches
operatingtemperature.
Warm-upProcedure
1.Afteryou’vestartedyourengine,
idleitatapproximately600RPM
whileyoucheck:
a.oilpressure
b.airpressure
c.alternatoroutput
2.Afterafewminutesofidlingat
600RPM,increaseyouridle
speedto900or1000RPM.
Continueyourwarm-up.This
procedureallowsoiltowarmand
owfreelywhilepistons,liners,
shafts,andbearingsexpand
slowlyandevenly.Inextremely
coldtemperatures,youmayhave
toincreaseidlespeed.
NOTE
Incolderclimateswherethetem-
peratureisoftenbelowfreezing,
thewarm-upforturbochargeden-
ginesisespeciallyimportant.Chilled
externaloillinesleadingtothetur-
bochargerwillslowtheoilowuntil
theoilwarms,reducingoilavailable
forthebearings.Watchtheengine
oiltemperatureorpressuregauge
forawarmingtrendbeforeincreas-
ingengineidlespeed(RPM).
3.Continuetheenginewarm-upuntil
thecoolanttemperaturereaches
atleast130°F(54°C).Atthis
temperature,youcanusepartial
throttle.Waituntilthecoolant
temperatureisatleast160°F(71°
C)beforeoperatingatfullthrottle.
(03/17)Y53-6060-1C14-7
4
STARTING&OPERATING
WARNING!
Exhaustfumesfromtheengine
containcarbonmonoxide,acolor-
lessandodorlessgas.Apoorly
maintained,damaged,orcorroded
exhaustsystemcanallowcar-
bonmonoxidetoenterthecabor
sleeper.Failuretoproperlymain-
tainyourvehiclecouldcausecar-
bonmonoxidetoenterthecaband
causedeathorpersonalinjury.
WARNING!
Neveridleyourvehicleforprolonged
periodsoftimeifyousensethatex-
haustfumesareenteringthecab.
Investigatethecauseofthefumes
andcorrectitassoonaspossible.
Ifthevehiclemustbedrivenunder
theseconditions,driveonlywiththe
windowsslightlyopen.Failuretore-
pairthesourceoftheexhaustfumes
mayleadtodeathorpersonalinjury.
CAUTION
Theuseofawinterfrontcanresult
inexcessiveenginecoolant,oil,and
chargeair(intake)temperatures,
whichcanleadtooverheatingand
possibleenginedamage.Ifyou
mustuseawinterfront:
•Refertothe"EngineOperation
andMaintenanceManual"
foroperatingrestrictionsand
recommendations.
•Useonlyawinterfront
availablefromyourdealer
thatiscompatiblewithan
EPA-compliantenginecooling
system.Thesewinterfrontsare
specicallydesignedforusewith
newgrillsnappatterns.
NOTE
Keeptheengineexhaustsystem
andthevehicle’scab/sleeperventi-
lationsystemproperlymaintained.
Itisrecommendedthatthevehicle’s
exhaustsystemandcab/sleeperbe
inspected:
•Byacompetenttechnicianevery
15,000miles
•Wheneverachangeisnoticedin
thesoundoftheexhaustsystem
•Whenevertheexhaustsystem,
underbody,caborsleeperis
damaged
4-8Y53-6060-1C1(03/17)
4
STARTING&OPERATING
NOTE
•Donotstayinthevehiclewith
theenginerunningoridling
formorethan10minuteswith
thevehicle’sHeaterandA/C
ventilationsysteminRECIRC
oratLOWFANSPEED.Even
withtheventilationsystemOn,
runningtheenginewhileparked
orstoppedforprolongedperiods
oftimeisnotrecommended.
•Ifothervehiclesareparkednext
toyouidling,moveyourvehicle
ordonotstayinyourvehiclefor
prolongedperiodsoftime.
IdlingtheEngine
Undermostcircumstances,idling
yourengineforlongperiodsmerely
wastesfuel.Inseverearcticweather
conditions,however,youmayneed
longeridlingtobesureallpartsofyour
enginearefullylubricated.
WARNING!
Toreducethechanceofdeathor
personalinjuryand/orvehicledam-
agefromoverheatedengines,which
canresultinare,neverleavethe
engineidlingwithoutanalertdriver
present.Iftheengineshouldover-
heat,asindicatedbytheengine
coolanttemperaturelight,immedi-
ateactionisrequiredtocorrectthe
condition.Continuedunattended
operationoftheengine,evenfor
ashorttime,mayresultinserious
enginedamageorare.
CAUTION
Donotallowyourenginetoidle,
atlowrpms(400–600rpm),longer
thanveminutes.Longperi-
odsofidlingaftertheenginehas
reachedoperatingtemperatures
candecreaseenginetemperature
andcausegummedpistonrings,
cloggedinjectors,andpossibleen-
ginedamagefromlackoflubrica-
tion.Thenormaltorsionalvibrations
generatedcanalsocausetransmis-
sionwear.
(03/17)Y53-6060-1C14-9
4
STARTING&OPERATING
Transmission
Incoldweather(below32°F(0°
C),youmayndshiftingsluggish
whenyourststartup.Transmission
warm-upisespeciallyimportantat
thistime,butitisalwaysagood
ideatowarm-upyourtransmission
beforestartingoutontheroad.To
warm-upthetransmission,followthese
procedures.
Towarm-upthetransmission
lubricatingoilduringenginewarm-up,
withasingletransmission(manualand
automatic):
1.PutthetransmissioninNeutral.
2.Releasetheclutchpedal(manual
only)andoperatethetransmission
inneutralfor3to5minutesprior
tooperatingthetransmissionin
eitherforwardorreverserange.
3.Ifyouhaveatwo-transmission
combination:
a.Putthemaintransmissionin
gear.
b.Puttheauxiliarytransmission
inNeutral.Thiswillallow
thetransmissioncountershaft
toturn,agitatingtheoiland
warmingit.
4-10Y53-6060-1C1(03/17)
4
OPERATINGTHEENGINE
OPERATINGTHE
ENGINE
StationaryPTOOperation
Thecruisecontrolbuttonsforthis
vehiclemaybeusedtocontrolthe
enginerpmwhenthevehicleis
stationaryandtheoperatorwantsto
usethePTOontheengine.Usethe
cruisecontroloptionsinthesame
manneraswiththevehicleinmotion,
butinsteadofsettingvehiclespeed,
theenginespeed(RPM)issetinstead.
SettingIdleSpeed
1.Ensureparkingbrakesareapplied.
2.EnsuretransmissionisinNeutral.
3.EngagePTOperthe
manufacturer'soperating
instructions.
4.MovetheON/OFFswitchtothe
"ON"position.
5.ToggletheSET/RESUMEswitch
toobtainthedesiredenginerpm.
CancellingCruiseControl
Youcancancelcruisecontrolinany
oftheseways:
•Tapthebrakepedal.
•Taptheclutchpedal.
•MovetheON/OFFswitchtothe
"OFF"position.
EngineFanControl
TheenginefancanbeturnedON
usingaswitchthatismountedonthe
accessoryswitchpanel.Thisletsyou
setthefantomanualorautomatic
operation.
•WiththeignitionkeyturnedON
andthefanswitchintheMANUAL
position,theenginefanwillbeON
regardlessofenginetemperature.
•Withtheenginefanswitchinthe
AUTOposition,theenginefanwill
automaticallyturnONwhenthe
enginecomputersendsasignal
requiringtheenginefantobeon.
(03/17)Y53-6060-1C14-11
4
OPERATINGTHEENGINE
WARNING!
Donotworkonornearthefanwith
theenginerunning.Anyonenearthe
enginefanwhenitturnsoncouldbe
injured.IfitissetatMANUAL,the
fanwillturnonanytimetheignition
keyswitchisturnedtotheONposi-
tion.InAUTO,itcouldengagesud-
denlywithoutwarning.Beforeturn-
ingontheignitionorswitchingfrom
AUTOtoMANUAL,besurenowork-
ersarenearthefan.
CAUTION
Thefanorequipmentnearitcould
bedamagedifthefanturnsonsud-
denlywhenyoudonotexpectit.
Keepalltoolsandequipmentaway
fromthefan.
NOTE
Donotoperatetheenginefanin
theMANUALpositionforextended
periodsoftime.Thefanhubwas
designedforintermittentoperation.
Sustainedoperationwillshortenthe
fanhub'sservicelifeaswellasre-
ducefueleconomy.
Winterfronts
Awinterfrontorotherairowrestriction
devicemaybemountedinfrontof
theradiatortoincreasecabheater
temperatureincoldclimates.
CAUTION
Awinterfrontshouldonlybeused
attemperaturesbelow40°F(4°C).
Useofawinterfrontabove40°F
(4°C)candecreaselifeofcool-
ingmodulecomponents.Remove
winterfrontassoonastheambi-
enttempreaches41°F(5°C).The
useofawinterfrontabove40°F
(4°C)canresultinexcessiveengine
coolant,oil,andchargeair(intake)
temperatures,whichcanleadto
overheatingandpossibleengineor
coolantmoduledamageandemis-
sionsnon-compliance.
4-12Y53-6060-1C1(03/17)
4
OPERATINGTHEENGINE
NOTE
Thewinterfrontisdesignedtomin-
imizethetemperaturedifferences
acrosstheradiatorandreducethe
possibilityofcoolingmoduledam-
age.Aftermarketwinterfrontsmay
notprovidetheproperairowdis-
tributionandcouldcausecooling
moduledamage.
EngineControlDisplay
Yourvehiclemaycomewithanoptional
EngineandDriverInformationDisplay.
Thisinstrumentrecordsinformation
onenginediagnostics,scheduled
maintenance,drivingconditions,and
generaltripinformation.Thespecic
featuresofyourdisplaymayvary
dependingonenginemake.For
completeinformationonthedisplay
seetheenginemanufacturer'smanual.
(03/17)Y53-6060-1C14-13
4
OPERATINGTHETRANSMISSION
OPERATINGTHE
TRANSMISSION
Introduction
YourMediumDutyisequipped
witheitheramanualorautomatic
transmissionwithspecialfeatures
andgearingtomeetyourparticular
needs.Itisimportantforyou,the
driver,tounderstandhowyour
particulartransmissionisoperated.
Todothis,youhavetwosourcesof
information:thisOperator'sManual
andthetransmissionmanufacturer's
Driver/Operator'sInstructionManual.
Becauseofthevarietyofdifferent
transmissionsinstalledinMedium
Dutyvehicles,operatingprocedures
foryourparticulartransmissionare
notincludedinthismanual;therefore,
youshouldreadandunderstandboth
manuals.Readthegeneralguidelines
andinstructionsthatfollowandread
thespecicinstructionscontained
inthetransmissionmanufacturer's
manualthatisincludedwithyour
vehicle.
NOTE
Youwillndashiftpatterndiagram
inthecab.Checktobesureyou
knowthecorrectsequenceforyour
particulartransmission.
OperatingManual
Transmissions
6,9,10,and11–SpeedManual
The6–speedsynchronizedmanual
transmissionhas6forwardspeedsand
1reverse.The9–speedtransmission
has9forwardand2reversespeeds,
consistingofa5–speedlowrange
sectionanda4–speedhighrange
section.
Forspecicinstructionson
operatingoneoftheoptional10-
or11-speedtransmissions,consult
thetransmissionmanufacturer’s
Driver/OperatorInstructionManual.
4-14Y53-6060-1C1(03/17)
4
OPERATINGTHETRANSMISSION
TransmissionWarm–Up
Incoldweather[below32°F(0°C)],you
mayndshiftingsluggishwhenyou
rststartup.Transmissionwarm-upis
especiallyimportantatthistime,but
itisalwaysagoodideatowarmyour
transmissionoilbeforestartingouton
theroad.
Towarmthetransmissionlubricating
oilduringenginewarm-up:
1.PutthetransmissioninNeutral.
2.Releasetheclutchpedalandlet
thetransmissionoperateinNeutral
forthreetoveminutespriorto
shiftingintoeitheraforwardor
reverserange.
PuttingtheVehicleinMotion
Aftermakingsurethevehicle'soil
andairpressurearecorrectandall
otherpartsandsystemsareinproper
workingcondition:
1.Ifyourtruckisequippedwitha
handthrottle,disengagethehand
throttlebeforedrivingthevehicle.
2.Fullydepresstheclutchpedaluntil
theclutchbrakemakescontact.
Thecontactwilloccuratabout1
inchorlessfromtheoorboard.
°Thetotalstrokeoftheclutch
pedalisabout10inches.The
rst1½inchesisfreetravel.
Afterthefreetravelcomes
thereleasestroke,whichis
thepartthatfullyreleasesthe
clutch.Thelastinchengages
theclutchbrake.
°Alwaysstartoutinalowgear.
Startinginahighergear,
evenwithalightload,will
causeaveryjumpystartand
excessivewear.
CAUTION
Alwaysuserstgearoralowspeed
rangetostartthevehicleinmotion.
Theuseofahighergearorspeed
rangeforcesunduestrainontheen-
gine,clutch,othertransmissioncom-
ponents,andmaycausedamage.
3.Evaluatetheroadsurface
conditionsandterrainyourvehicle
ison.Selectagearlowenoughto
letyourvehiclestartforwardwith
thethrottleatidle.
4.Pushtheparkingbrakevalve
handle(Yellow)againstthedash
paneltoreleasethebrakes.
5.Releasetheclutchpedal,then
graduallyacceleratetopermit
smoothstarting,
6.Donotallowyourvehicle
toroll(evenalittle)inthe
(03/17)Y53-6060-1C14-15
4
OPERATINGTHETRANSMISSION
oppositedirectionduringclutch
engagement.Ifyouneedto
startuponanincline,applyyour
servicebrakesbeforeyourelease
theparkingbrake.Thenrelease
yourservicebrakesasyouengage
theclutchandapplythrottle.
Forfurtherinstructionsonoperating
yourtransmission,seethe
transmissionmanufacturer'smanual
thatisincludedwithyourvehicle.
Ifyouhaveamisalignedgearcondition
inyourvehicle'stransmissionand
cannotstart,graduallyreleasethe
clutch,allowingthedrivegearteethto
lineupproperly.Thenthedrivegear
canrollenoughtoallowtheteethto
lineupproperlyandcompletetheshift.
Thebestengineperformanceand
maximumeconomyisobtainedifgears
areproperlyselected.Thisefciency
isachievedbyalwaysselectinggears
withinoptimumenginerpm,whichis
wheremaximumtorqueandpowerare
obtained.Forfurtherinformation,see
MoreDrivingTipsandT echniqueson
page4-62.
ShiftingGearsinaNewVehicle
Shiftcarefullyinanewvehicle.The
transmissionmaybealittlestiffat
rst.Avoidgearclashingbyclosely
followingtheseprocedures.
Whenyouareoperatinganewvehicle
oronethathasbeenexposedtocold
weather,youwantthetransmission
lubricant(uid)tocirculateandcoat
thecontactingsurfacesofthegears.
Metalcontactingmetalinmoving
partsmayseriouslydamageyour
transmission—donotdriveinone
gearforlongperiodsoftimeuntilthe
transmissionlubricanthasachanceto
coatallcontactingsurfaces.Carefully
observethefreetravelintheclutch
fortherstfewhundredmiles.Asthe
clutchliningwearsandhighspotsget
wornsmooth,youwillgetlessfree
travel.
4-16Y53-6060-1C1(03/17)
4
OPERATINGTHETRANSMISSION
ClutchBrakeandTravel(9–,10–,
and11–SpeedTransmissionsonly)
Thesetransmissionsutilizeaclutch
brake,ratherthansynchronizers.The
clutchbrakeworksbystoppingallof
thegearsinthetransmission,allowing
youtoeasilyshiftintorstgearor
reversewithoutgrindinggears.The
totalstrokeoftheclutchpedalisabout
10inches.Therstpartistherelease
stroke:thepartthatfullyreleases
theclutch.Thelastinchengagesthe
clutchbrake.
Duringhard-shiftingwithvehicle
notmoving
•Toapplytheclutchbrake(while
thevehicleisstopped)fully
depresstheclutchpedaltothe
oorboardtostopthegears.With
thethrottleatidle,selectrstgear
thenreleasetheclutchpedalto
letthevehiclestartforward,until
theclutchisfullyengaged.See
thetransmissionmanufacturer's
manualthatisincludedwithyour
vehicleforfurtherdetails.
DuringNormalDriving
Ifyouwanttoshiftdirectlyintoanygear
otherthanrstorreverse,depressthe
clutchpedalonlyfarenoughtorelease
theclutch.Pushingtheclutchtothe
oorappliestheclutchbrakeandcould
causegearhang-up.
CAUTION
Becarefulnottoapplytheclutch
brakewhilethevehicleismoving.
Thepurposeoftheclutchbrakeis
tostopthetransmissionsothatyou
canshiftintoastartinggearwithout
grindinggears.Applyingtheclutch
brakewhenthevehicleismoving
causesabrakingeffectonthedrive-
trainandshortenstheservicelifeof
theclutchbrake.
DoubleClutching
Whetheryouareupshiftingordown
shifting,itisbesttodoubleclutch.
Doubleclutchingiseasieronthe
transmissionandontheengine,
helpingyourvehiclematchengine
speedwithdrivelinespeedand
achievingclash-freeshifts.T odouble
clutch:
1.Pushtheclutchpedaldownto
disengagetheclutch.
2.Movethegearshiftleverto
Neutral.
3.Releasethepedaltoengage
theclutch.Thisletsyoucontrol
therpmofthemainshaftgears,
allowingyoutomatchtherpmof
themainshaftgearstothoseofthe
outputshaft.
°Upshifts:lettheengineand
gearsslowdowntotherpm
requiredforthenextgear.
(03/17)Y53-6060-1C14-17
4
OPERATINGTHETRANSMISSION
°Downshifts:pressaccelerator,
increaseengineandgear
speedtotherpmrequiredin
thelowergear.
4.Nowquicklypressthepedalto
disengagetheclutchandmove
thegearshiftlevertothenextgear
speedposition.
5.Releasethepedaltoengagethe
clutch.
"Riding"theClutch
Theclutchisnotafootrest.Donot
drivewithyourfootrestingonthe
clutchpedal.Itwillallowyourclutch
toslip,causingexcessiveheatand
wear—damagecouldresult.
ReleaseBearingWear
Whenyoumustidleyourengineforany
periodoftime,shiftyourtransmission
toNeutralanddisengagetheclutch
(takeyourfootOFFofthepedal).This
helpspreventunnecessarywearto
yourclutchreleasebearing,anditis
lesstiringforyou,too.
ClutchAdjustment
Inspectmanualclutchesaccordingto
themanufacturer'srecommendations.
Regularmaintenanceshouldbe
followedtomaintaincorrectclutch
adjustment.Haveyourdealer's
ServiceDepartmentperformany
adjustmentnecessary.
Tips
•Alwaysusetheclutchwhen
makingupshiftsordownshifts.
•Alwaysselectastartinggear
thatwillprovidesufcientgear
reductionfortheloadandterrain.
•Neverdownshiftwhenthevehicle
ismovingtoofast.
•Neverslamorjerktheshiftlever
tocompletegearengagement.
•Nevercoastwiththetransmission
inNeutralandtheclutch
disengaged.
•Toprovidesmoothgear
engagementswhileshifting,
usepropercoordinationbetween
shiftleverandclutch.
4-18Y53-6060-1C1(03/17)
4
OPERATINGTHETRANSMISSION
PuttingtheVehicleinMotion
Aftermakingsurethevehicle'soil
andairpressurearecorrectandall
otherpartsandsystemsareinproper
workingcondition:
1.Fullydepresstheclutchpedal(for
manualtransmission)untilthe
clutchbrakemakescontact.
a.Thetotalstrokeoftheclutch
pedalisabout6inches(152
mm).Therst½inch(13
mm)isfreetravel.Afterthe
freetravelcomestherelease
stroke,whichisthepartthat
fullyreleasestheclutch.The
last½inch(13mm)engages
theclutchbrake.
b.Alwaysstartoutinalow
gear.Startinginhighergears,
evenwithalightload,will
causeaveryjumpystartand
excessivewear.
CAUTION
Alwaysuserstgearoralowspeed
rangetostartthevehicleinmotion.
Theuseofahighergearorspeed
rangeforcesunduestrainontheen-
gine,clutch,othertransmissioncom-
ponents,andmaycausedamage.
2.Evaluatetheroadsurface
conditionsandterrainyourvehicle
ison.Selectagearlowenoughto
letyourvehiclestartforwardwith
thethrottleatidle.
3.Pushtheparkingbrakevalve
handle(Yellow)againstthedash
paneltoreleasethebrakes.
4.Releasetheclutchpedal(manual
only),thengraduallyaccelerateto
permitsmoothstarting,
5.Donotallowyourvehicle
toroll(evenalittle)inthe
oppositedirectionduringclutch
engagement.Ifyouneedto
startuponanincline,applyyour
servicebrakesbeforeyourelease
theparkingbrake.Thenrelease
yourservicebrakesasyouengage
theclutchandapplythrottle.
Forfurtherinstructionson
operatingyourtransmission,see
thetransmissionmanufacturer's
Driver/Operator'sInstructionManual.
Ifyouhaveamisalignedgearcondition
inyourvehicle'stransmissionand
cannotstart,graduallyreleasethe
clutch,allowingthedrivegearteethto
lineupproperly.Thenthedrivegear
canrollenoughtoallowtheteethto
lineupproperlyandcompletetheshift.
Thebestengineperformanceand
maximumeconomyisobtainedifgears
areproperlyselected.Thisefciency
isachievedbyalwaysselectinggears
withinoptimumengineRPM,whichis
wheremaximumtorqueandpowerare
obtained.Forfurtherinformation,see
(03/17)Y53-6060-1C14-19
4
OPERATINGTHETRANSMISSION
MoreDrivingTipsandT echniqueson
page4-62.
ShiftingGearsinaNewVehicle
Shiftcarefullyinanewvehicle.The
transmissionmaybealittlestiffat
rst.Avoidgearclashing,byclosely
followingtheseprocedures.
Whenyouareoperatinganewvehicle
oronethathasbeenexposedtocold
weather,youwantthetransmission
lubricant(uid)tocirculateandcoat
thecontactingsurfacesofthegears.
Metalcontactingmetalinmoving
partsmayseriouslydamageyour
transmission,donotdriveinone
gearforlongperiodsoftimeuntilthe
transmissionlubricanthasachanceto
coatallcontactingsurfaces.
ClutchBrakeandTravel
Theclutchbrakeisusedforstopping
transmissiongears,allowingyouto
easilyshiftintorstgearorreverse
withoutgrindinggears.Approximately
thelast½inch(13mm)ofclutchpedal
travelactivatestheclutchbrake.
Toapplytheclutchbrake(whilethe
vehicleisstopped)fullydepressthe
clutchpedaltostopthegears.With
thethrottleatidle,selectrstgear
thenreleasetheclutchpedaltoletthe
vehiclestartforward,untiltheclutchis
fullyengaged.Seethemanufacturer's
Driver/Operator'sInstructionManual
forfurtherdetails.
Ifthetransmissionhasabutt-tooth
conditionandyoucannotengagea
gear,graduallyreleasetheclutch.
Thenthedrivegearcanrollenoughto
allowtheteethtolineupproperlyand
completetheshift.
4-20Y53-6060-1C1(03/17)
4
OPERATINGTHETRANSMISSION
DuringNormalDriving
Ifyouwanttoshiftdirectlyintoanygear
otherthanrstorreverse,depressthe
clutchpedalonlyfarenoughtorelease
theclutch.Fullydepressingthepedal
appliestheclutchbrakeandcould
causegearhang-up.
CAUTION
Becarefulnottoapplytheclutch
brakewhilethevehicleismoving.
Thepurposeoftheclutchbrakeis
tostopthetransmissionsothatyou
canshiftintoastartinggearwithout
grindinggears.Applyingtheclutch
brakewhenthevehicleismovingwill
rendertheclutchinoperative.
DoubleClutching
Whetheryouareupshiftingordown
shifting,itisbesttodoubleclutch.
Doubleclutchingiseasieronthe
transmissionandontheengine,
helpingyourvehiclematchengine
speedwithdrivelinespeedand
achievingclash-freeshifts.
Todoubleclutch:
1.Pushtheclutchpedaldownto
disengagetheclutch.
2.Movethegearshiftleverto
neutral.
3.Releasethepedaltoengage
theclutch.Thisletsyoucontrol
theRPMofthemainshaftgears,
allowingyoutomatchtheRPMof
themainshaftgearstothoseofthe
outputshaft.
a.Upshifts:lettheengineand
gearsslowdowntotheRPM
requiredforthenextgear.
b.Downshifts:pressaccelerator,
increaseengineandgear
speedtotheRPMrequiredin
thelowergear.
4.Nowquicklypressthepedalto
disengagetheclutchandmove
thegearshiftlevertothenextgear
speedposition.
5.Releasethepedaltoengagethe
clutch.
(03/17)Y53-6060-1C14-21
4
OPERATINGTHETRANSMISSION
AutomaticandAutomated
Transmissions
Anautomaticorautomated
transmissionmakesshiftingmuch
easier.Itremainsimportantto
completelyunderstandhowtooperate
thetransmissiontooptimizeits
efciency.Pleasereadthemanual
foryourautomaticorautomated
transmissionincludedwithyour
vehicle.
Forautomatedtransmissions,thereis
no"park"position.Soyouwillneedto
applytheparkingbrakebeforeleaving
thecab.
HillHold
Thehillholdfeatureisavailableas
anoptionwithcertainautomated
transmissions.Thisfeatureholdsthe
vehiclewhileonahilltoallowthe
operatortoreleasetheservicebrakes
andpresstheaccelerator.Thisfeature
willholdthevehicleifthevehicleis
attemptingtogoupahillfromastopin
eitherdriveorreverse.
WARNING!
Donotleavethecabofyourvehicle
withoutapplyingtheparkingbrake.
Thetruckcouldrollandcausean
accidentresultingindeathorper-
sonalinjury.Alwaysapplythepark-
ingbrakebeforeyouleavethecab.
WARNING!
Ifyourvehiclehasanautomated
transmission,beawarethatitcan
rollbackwardswhenstoppedona
hillorgrade,orwhenstartingfrom
astoponahillorgrade.Failureto
complymayresultindeath,personal
injury,equipmentorpropertydam-
age.Observethefollowingguide-
lines:
•Whenstoppedonahillorgrade,
pressthebrakepedal.
•Whenstartingfromastopona
hillorgrade,quicklyremoveyour
footfromthebrakepedaland
rmlypressontheaccelerator
pedal.
4-22Y53-6060-1C1(03/17)
4
OPERATINGTHETRANSMISSION
AuxiliaryTransmission
Ifyouhaveanauxiliarytransmission,
seeyourtransmissionmanufacturer’s
manualforitsproperoperation.
MoreTransmissionTips
RidingtheClutch
Theclutchisnotafootrest.Donot
drivewithyourfootrestingonthe
clutchpedal.Itwillallowyourclutchto
slip,causingexcessiveheatandwear,
damagecouldresult.
ReleaseBearingWear
Whenyoumustidleyourengineforany
periodoftime,shiftyourtransmission
toneutralanddisengagetheclutch
(takeyourfootOFFofthepedal).This
helpspreventunnecessarywearto
yourclutchreleasebearing,anditis
lesstiringforyou,too.
Tips
•Alwaysusetheclutchwhen
makingupshiftsordownshifts.
•Alwaysselectastartinggear
thatwillprovidesufcientgear
reductionfortheloadandterrain.
•Neverdownshiftwhenthevehicle
ismovingtoofast.
•Neverslamorjerktheshiftlever
tocompletegearengagement.
•Nevercoastwiththetransmission
inneutralandtheclutch
disengaged.
•Toprovidesmoothgear
engagementswhileshifting,
usepropercoordinationbetween
shiftleverandclutch.
Doubleclutchingisaveryeffective
meanstoincreasetheservicelifeof
yourtransmission.Doubleclutching
referstoatechniquewheretheclutch
pedalisusedtwicepershiftinsteadof
once.Italsorequiresthatyouadjust
theenginerpminthemiddleofthe
shiftwhichultimatelysynchronizesthe
gearsduringshifting.Synchronizing
reduceswearonthegears.
(03/17)Y53-6060-1C14-23
4
OPERATINGTHEBRAKESYSTEM
OPERATINGTHE
BRAKESYSTEM
Introduction
Thisvehicle’sbrakesystemfunctions
withtheuseofcompressedair
generatedfromtheengine’sair
compressor.Thecompressedairis
storedinvariousairtankstoensure
thatairpressureisavailablewhenever
thedriverneedsit.
Compressedairisdeliveredtothe
brakesystemthroughthevalveat
thebrakepedalandiscontrolled
withvariousvalvesandbraking
circuits.Thebrakesystemisdesigned
withseparatefront,rearand(when
applicable)trailercircuitssothatifone
circuitiscompromisedandlosesair,
theothercircuitswillnotbeaffected.
Safetyvalvesineachcircuitwillprotect
theothercircuitsintheeventthata
circuitlosesair.
Theaircompressorontheenginewill
typicallyprovide100-130psi(690-896
kPa)totheairtanks.Thevehicle
isalsodesignedwithanairdryer,
whichremovesmoisturefromthe
compressedairinordertoprotectall
componentsintheairsystem.
Thebrakesystemmaybefurther
enhancedbyadditionaldevices
suchasbrakeproportioningvalves,
Anti-lockbrakingsystemsorsensors
designedtoletyouknowifyourbrake
padsneedtobeserviced.
Certainconditionsmayresultinthe
brakesurfacesgettingwet.Brake
surfacesthatarewetdonotperform
aswellaswhentheyaredry.There
maybesituationswherewetbrake
surfacescannotbeavoided.Insuch
situations,applythebrakeswhilein
motion,todrythebrakesurfaces.
Certainconditionsmayresultinyour
brakesurfacesbecomingoverheated
(above800°For427°C).Overheated
brakeswilldamageliningsand
drumsurfaces,ultimatelydecreasing
brakingperformance.Referto
RetardersandDescendingagradeto
avoidoverheatingthebrakes.
Thisvehiclemaybeequippedwith
ananti-lockbrakingsystem(ABS).
ThisABSreducesthepossibilityof
wheellock-up.Ifawheelisabout
tolockduringbraking,theABSwill
automaticallyadjustairpressuretothe
brakechambersontheappropriate
wheel(s)topreventwheellock-up.The
ABSisautomaticallyturnedonwhen
theignitionswitchisturnedon.
4-24Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
WARNING!
TheAnti-LockBrakeSystemis
acriticalvehiclesafetysystem.
Forthesafetyofyouandothers
aroundyou,havethevehiclesub-
mittedforperiodicpreventivemain-
tenancechecksaswellashaving
anysuspectedproblemsimmedi-
atelycheckedbyanauthorized
dealer.Failuretoproperlymaintain
yourbrakesystemcanleadtose-
riousaccidents.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
WARNING!
Donotdrivethroughwaterdeep
enoughtowetbrakecomponents,
asitmaycausethebrakestowork
lessefcientlythannormal.The
vehicle'sstoppingdistancemaybe
longerthanexpected,andthevehi-
clemaypulltotheleftorrightwhen
brakesareapplied,whichcould
contributetoanaccidentinvolving
deathorpersonalinjury.
WARNING!
Donotrelyonananti-lockbrakesys-
temthatisfunctioningimproperly.
Youcouldlosecontrolofthevehi-
cleresultinginasevereaccident,
causingdeathorpersonalinjury.If
yourABSlampgoesonwhileyou
aredrivingorstaysonaftertheself-
check,youranti-locksystemmight
notbeworking.TheABSmaynot
functioninanemergency.Youwill
stillhaveconventionalbrakes,but
notanti-lockbrakes.Ifthelampin-
dicatesaproblem,havetheABS
checked.
Vehicleswithoutanti-lockbrake
systems(ABS)aretypicallyequipped
withabobtailbrakeproportioning
system.Whenatrailerisnot
connected,thedriveaxlebrake
applicationpressurewillautomatically
belimitedbytheproportioningsystem.
Whendriveninabobtailmode,
(03/17)Y53-6060-1C14-25
4
OPERATINGTHEBRAKESYSTEM
thesetractorswillrequiregreater
brakepedalapplicationtoprovidethe
equivalentbrakingtoabobtailtractor
notequippedwithaproportioning
system.
TrailerABS
PowerLineCommunication(PLC)
NorthAmericanon-highwayvehicles
areequippedwithaseparateelectrical
circuittopowertheanti-lockbrake
system(ABS)ontowedvehicle(s).
Inmostcases,theABSpowerwill
besuppliedthroughtheAuxiliary
circuitontheprimary7-waytrailer
lightlineconnector.Ifthevehicle
wasmanufacturedwithaswitchable
Auxiliarycircuitfortraileraccessories,
anadditional7-wayconnectorwould
havebeenprovidedfortrailerABS
power.Ineithercase,theABS
powerlineonthevehiclewillbePLC
equipped.
CAUTION
Donotspliceintothenon-switchable
Auxiliarycircuitontheprimary7-way
trailerlightline.Doingsomaycause
thetrailerABStomalfunction.This
circuitisdedicatedfortrailerABS
power.T oaddaswitchableauxiliary
circuit,contactadealership.
Vehiclesandtrailersbuiltafter
3/1/01mustbeabletoturnonan
In-CabTrailerABSWarningLamp
(perFederalMotorVehicleSafety
Standards(FMVSS)121).Theindustry
chosePowerLineCommunication
(PLC)asthestandardmethodtoturn
iton.
NOTE
TrailersnotequippedwithPLCcan
notturnontheIn-CabTrailerABS
WarningLamp.
4-26Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
NOTE
Fordoublesortriples,thelampdoes
notdistinguishbetweentrailers.An
ABSprobleminanyofthetrailers
willactivatetheTrailerABSWarning
Lamp.
NOTE
Ifyouchangetheintendedservicein
anyway(i.e.numberofaxles,mul-
tipletrailers,addswitchabletrailer
accessories,etc.)fromthedate
thevehiclewasmanufactured,you
shouldcontactyourtrailermanufac-
turerand/ortraileranti-lockbrake
manufacturertodetermineifthe
poweravailableatthe7-waytrailer
lightlineisadequate.Failuretodo
somightresultininsufcientpower
tothetrailerABSsystemwhichmay
affectitsoperation.
CAUTION
Thecenterpinofthe7-waytrailer
lightlinemaybeconstantlypowered
forABS.Makesureitwillnotacci-
dentlyturnontrailerequipment.
SpecialTrailerABS(WithoutPLC)
Option
IfatrailerdoesnothavePLC,but
itdoeshaveABSthatispowered
throughanoptionalsecondtrailer
connector(ISO3731)andthattrailer
ABSisdesignedtocontroltheTrailer
ABSWarningLampinthecaband
thevehiclehasbeenorderedwiththe
optiontoturnonthislampforthese
typesoftrailers,thenthislampwillturn
onwhenthattrailerABShasasystem
problem.Thisshouldbecheckedbya
dealerassoonaspossible.TheTrailer
ABSWarningLampwillnotturnonfor
thepower-ontestwhenconnectedto
thesetypesoftrailers.
NOTE
Veryfewtrailersbuiltbefore3/1/01
havethisoption.Trailersbuiltafter
3/1/01arebuiltwithPLCtechnology.
(03/17)Y53-6060-1C14-27
4
OPERATINGTHEBRAKESYSTEM
AdvancedABSwithStability
Control
Thisvehiclemaybeequippedwith
ElectronicStabilityControl(ESC).ESC
isafeatureforABS-equippedvehicles
thatreducestheriskofrollovers,
jackkningandotherlossofcontrol
situations.ESCfeaturesincludeRoll
StabilityProgram(RSP)andYaw
Control.
Duringoperation,theECUofthe
ESCsystemconstantlycompares
performancemodelstothevehicle’s
actualmovement,usingthewheel
speedsensorsoftheABSsystem,
aswellaslateral,yaw,andsteering
anglesensors.Ifthevehicleshowsa
tendencytoleaveanappropriatetravel
path,orifcriticalthresholdvaluesare
approached,thesystemwillintervene
toassistthedriver.
RollStabilityProgram
RSP ,anelementoftheoverallESC
system,addressesrolloverconditions.
Inthecaseofapotentialrollevent,
theECUwilloverridethethrottle
andquicklyapplybrakepressureat
allwheelendstoslowthevehicle
combination.Thelevelofbraking
applicationduringanRSPeventwill
beproportionaltorollrisk.
ARealWorldExampleofHowthe
RSPSystemOperates
Excessivespeedforroadconditions
createsforcesthatexceedthe
thresholdatwhichavehicleislikelyto
rolloveronahigher-frictionsurface.
Thesystemautomaticallyreduces
enginetorqueandappliestheservice
brakes(basedontheprojectedrollover
risk)toreducethevehiclespeed,
therebyreducingthetendencytoroll
over.
RSPExample
4-28Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
YawStability
Yawstabilitycounteractsthetendency
ofavehicletospinaboutitsvertical
axis.Duringoperation,ifthefriction
betweentheroadsurfaceandthetires
isnotsufcienttoopposelateral(side)
forces,oneormoreofthetirescan
slide,causingthetruck/tractortospin.
Theseyaweventsarereferredtoas
either"under-steer"(wherethereisa
lackofvehicleresponsetosteering
inputduetotireslideonthesteeraxle)
or"over-steer"(wherethetractor's
rearendslidesoutduetotireslide
ontherearaxle)situation.Generally,
shorterwheelbasevehicles(tractors,
forinstance)havelessnaturalyaw
stability,whilelongerwheelbase
vehicles(straighttrucks,forinstance)
havegreaternaturalyawstability.
Factorsthatinuenceyawstability
are:wheelbase,suspension,steering
geometry,weightdistributionfrontto
rear,andvehicletrackwidth.
YawControl
YawControlrespondstoawide
rangeoflow-tohigh-frictionsurface
scenariosincludingrollover,jackknife
andlossofcontrol.Inthecaseof
vehicleslide(over-steerorundersteer
situations),thesystemwillreducethe
throttleandthenbrakeoneormore
ofthe"fourcorners"ofthevehicle
(inadditiontopotentiallyapplying
thetrailerbrakes),thusapplyinga
counter-forcetobetteralignthevehicle
withanappropriatepathoftravel.For
example,inanover-steersituation,
thesystemappliesthe"outside"
frontbrake;whileinanunder-steer
condition,the"inside"rearbrakeis
applied.
ARealWorldExampleofHowYaw
ControlOperates
Excessivespeedexceedsthe
threshold,creatingasituationwherea
vehicleislikelytospinandjackknife.
TheBendix®YawControlsystem
reducesenginethrottleandselectively
appliesbrakestoreducethevehicle
speed,therebyreducingthetendency
tojackknife.
YawControlExample
(03/17)Y53-6060-1C14-29
4
OPERATINGTHEBRAKESYSTEM
ESCMayReduceTheVehicleSpeed
Automatically
Tominimizeunexpecteddeceleration
andreducetheriskofacollisionthe
operatormust:
•Avoidaggressivedriving
maneuvers,suchassharp
turnsorabruptlanechangesat
highspeeds,whichmighttrigger
thestabilitysystem.
•Alwaysoperatethevehiclesafely,
drivedefensively,anticipate
obstaclesandpayattention
toroad,weatherandtrafc
conditions.ABS,ATCandESC
systemsarenosubstitutefor
prudent,carefuldriving.
TowingDoublesOrTriplesMay
ReduceTheEffectivenessOf
StabilitySystems
ESCisdesignedandoptimizedfor
trucksandfortractorsthattowsingle
trailers.Ifatractorequippedwith
ESCisusedtopowermultipletrailer
combinations(knownas"doubles"or
"triples")theeffectivenessoftheESC
systemmaybegreatlyreduced.
WARNING!
Exerciseextremecarewhentow-
ingdoublesortripleswithavehicle
equippedwithElectronicStabil-
ityControl.Excessivespeedand
aggressivemaneuvers,suchas
sharpturns,suddensteeringinputs
orabruptlanechangesshouldbe
avoidedbecausethesemaneuvers
couldcauselossofvehiclecontrol
possiblyresultinginanaccidentin-
volvingdeathorpersonalinjury.
LimitationsOfStabilitySystems
TheESCsystem’seffectivenessmay
begreatlyreducedif:
•Theloadshiftsduetoimproper
retention,accidentdamageorthe
inherentlymobilenatureofsome
loads(forexample,hangingmeat,
liveanimalsorpartiallyladen
tankers),
•Thevehiclehasanunusuallyhigh
oroff-setcenterofgravity(CG),
•Onesideofthevehicledropsoff
thepavementatananglethatis
toolargetobecounteractedbya
reductioninspeed,
•Thevehicleisusedtohauldouble
ortripletrailercombinations,
•Ifveryrapidlywindingsteering
inputsareinputtedathighspeeds,
•Therearemechanicalproblems
withsuspensionlevelingofthe
4-30Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
tractorortrailerresultinginuneven
loads,
•Thevehicleismaneuveringona
highbankedroadcreatingeither
additionalsideforcesduetothe
weight(mass)ofthevehicleor
adeviationbetweenexpected&
actualyawrates,
•Gustywindsarestrongenough
tocausesignicantsideforces
onthevehicleandanytowed
vehicles.
ToMaximizeTheEffectivenessOf
ESC
•Loadsmustbeproperlysecured
andevenlydistributedatalltimes.
•Driversneedtoexerciseextreme
cautionatalltimes,andavoid
sharpturns,suddensteering
inputsorabruptlanechangesat
highspeeds,particularlyif:
a.thevehiclehaulsloadsthat
couldshift,
b.thevehicleorloadhasahigh
oroff-setcenterofgravity
(CG)whenloaded,or
c.thevehicletowsdoublesor
triples.
TruckChassisModications
TheESCsystemwasspecically
calibratedandvalidatedonlyfor
yourvehicle’soriginalfactory-built
conguration.Ifyourvehicle’schassis
componentsarealtered(forexample;
awheelbaseextensionorreduction,
tagaxleadditionorremoval,tractorto
truckconversionorsteeringsystem
componentchange)theESCsystem
mustbedisabledimmediatelybya
qualiedmechanic.
WARNING!
FailuretodisableESC"Electronic
StabilityControl"whenmodifyinga
vehiclecouldresultinalossofve-
hiclecontrolpossiblyresultinginan
accidentinvolvingdeathorpersonal
injury.
(03/17)Y53-6060-1C14-31
4
OPERATINGTHEBRAKESYSTEM
WARNING!
ForvehiclesequippedwithESC
"ElectronicStabilityControl"donot
replacethevehicle’ssteeringwheel
withanaftermarketordifferentpart
numberthanoriginallysupplied.Us-
ingadifferentsteeringwheelcould
causeESCtomalfunctioncausing
alossofvehiclecontrolpossibly
resultinginanaccidentinvolving
deathorpersonalinjury.
SteeringAngleSensor
Re-Calibration
Whenevermaintenanceorrepair
workisperformedtothesteering
mechanism,linkage,gear,adjustment
ofthewheeltrack,orifthesteering
anglesensorisreplacedorthesteering
wheelischangedorre-centered,the
SteeringAngleSensormustbe
re-calibrated.
WARNING!
IftheSteeringAngleSensorisnot
re-calibrated,theYawControlsys-
temwillnotfunctionproperly.Aun-
calibratedsensorcouldresultina
lossofcontrolofyourvehiclewhich
canleadtoanaccidentinvolving
deathorpersonalinjury.
ATCFunctions
(standard)
Yourtruck/tractorABSmaybe
equippedwithanautomatictraction
control(ATC)feature.Thisfeature
iscontrolledbyaswitchasshownin
thenextillustration.Thisfeatureis
monitoredbyawarninglamplocated
ontheswitch.
AutomaticTractionControlWarning
Lamp
TheTractionControlwarninglampon
page3-20willbrieyilluminateand
thengooutwhentheignitionswitch
isrstturnedon.Thetractioncontrol
warninglampwillilluminatewhenever
theATCsystemdetectsdrivewheel
spin.Thelampwillremainilluminated
aslongaswheelspinisdetected
andtheATCsystemisapplyingthe
4-32Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
drivewheelbrakesorreducingengine
torque.Enginetorqueorvehicle
speedshouldbereducedtoeliminate
wheelspinandpreventexcessive
applicationoftheATCsystem.Except
forcheckingforproperilluminationof
theABSandtractioncontrolwarning
lampswhenrststartingthevehicle,
andformonitoringtheselamps
whiledriving,nospecialoperating
proceduresarerequired.Fordetailed
systemdescription,seeliteraturefor
yourspecicABSthatwasprovided
withyourvehicle.
Thisfeaturehelpsimprovetraction
whenvehiclesareonslipperysurfaces
orsurfaceswithpoortraction(i.e.
mudorsnow)byreducingdrivewheel
overspin.Automatictractioncontrol
worksintwodifferentways:
•Ifadrivewheelstartstospin,
ATCappliesairpressuretobrake
thewheel.Thistransfersengine
torquetothewheelswithbetter
traction.
•Ifalldrivewheelsspin,ATC
reducesenginetorquetoprovide
improvedtraction.
ATCturnsitselfonandoff,youdo
nothavetoselectthisfeature.If
drivewheelsspinduringacceleration,
theATCWarningLampcomeson,
indicatingwheelspincontrolisactive.
DonotallowtheATCWarningLamp
toremainoncontinuouslyforan
extendedlengthoftime.Extended,
continuoususeoftheATCcancause
overheatingofthedrivewheelbrakes.
DeepSnowandMudSwitch(option)
Adeepsnowandmudswitchis
includedwithWheelSpinControl.The
DeepSnowandMudfeatureishelpful
duringacceleration.Thisfunction
increasesavailabletractiononextra
softsurfaceslikesnow,mudorgravel,
byslightlyincreasingthepermissible
wheelspin.Whenthisfunctionisin
use,theATCWarningLampblinks
continuously.
Off-RoadABSFunctionSwitch
(option)
Yourvehiclemaybeequippedwith
aseparateswitchtoactivatean
Off-RoadABSfunction.Thisfunction
isNOTtobeusedforOn-Highway
drivingbutisintendedtobeused
toimprovestoppingperformancein
Off-Highwayconditions(e.g.loose
gravelandmud).TheOff-RoadABS
functionisaccomplishedbyallowinga
"wedge"ofmaterialtobuild-upinfront
ofmomentarilylockedwheels.
FeaturesandBenets
•ChangestheABScontrollimitsto
allowforamoreaggressiveABS
functionwhileoff-road.
(03/17)Y53-6060-1C14-33
4
OPERATINGTHEBRAKESYSTEM
•Improvesvehiclecontroland
helpsreducestoppingdistances
inoff-roadconditionsoronpoor
tractionsurfacessuchasloose
gravel,sandanddirt.
•Allowsretarderstofunction
independentlyoftheABSfunction.
•Ifyourvehicledoesnothavean
engineretarder,theOff-RoadABS
switchwillfunctionthesame.
CAUTION
Neverdriveyourvehicleonim-
provedroads/highwayswiththe
Off-RoadABSfunctionturnedon.
Whenyoudriveyourvehicleontoan
improvedroadsurfaceorhighway,
immediatelyturnofftheOff-Road
ABSswitch.Failuretodosowill
causetheABSsystemtonotfunc-
tionproperlyinanABSeventunder
25mphandcouldresultinanacci-
dentorpersonalinjury.
WARNING!
Whiletheoff-roadmodecanim-
provevehiclecontrolandshorten
stoppingdistances,somesteering
abilitymaybereducedoncertain
surfacesresultingfromthemomen-
tarilyslidingtires.Alwaysoper-
ateyourvehicleatsafeoperating
speeds.Failuretodosomaycause
youtolosecontrolofthevehicle
andcouldresultinanaccidentor
personalinjury.
HowTheOff-RoadABSFunction
Works
•TheABSlampashesslowly
duringoff-roadmodeengagement.
Thisisdonetoalertyouofa
modicationtotheABScontrol
software.
•Atspeedsabove25mph,theABS
controlleroperatesinthenormal
on-highwaymode.
•Atspeedsbetween10and25
mph,theABScontrolsoftwareis
modiedtoallowshortperiods
(0.25seconds)oflocked-wheel
cycles.
•Atspeedsbelow10mph,theABS
controlsoftwareisturnedoffto
allowlockedwheels.
•WhentheOff-RoadABSfunction
isenabled,theRetarderDisable
outputisturnedoff.Thatis,
theengineretardersareleftto
functionwithoutABSintervention.
Foradditionalinformation,seethe
Off-RoadABSpamphletinyour
vehicle’sglovebox.
4-34Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
HydraulicBrakes
WARNING!
Donotoperatethevehicleinthe
eventofamalfunctioninanyairor
hydrauliccircuit.Suchamalfunc-
tionmaypreventthebrakesystem
fromoperatingproperly,andcould
resultinaninjuryaccident.Theve-
hicleshouldnotbeoperateduntilthe
systemisrepairedandbothbrak-
ingcircuits,includingallpneumatic,
hydraulic,andmechanicalcompo-
nentsareworkingproperly.
Theoperationofthevehicle'sbraking
systemisbasedontheprincipleof
hydraulics.Hydraulicactionbegins
whenforceisappliedtothebrake
pedal.Thisforcecreateshydraulic
pressureinthemastercylinderandis
ampliedwithassistanceofapower
booster.Thesupplementalboostin
forceisdevelopedwhenpressurized
powersteeringuidfromthesteering
pumppressesonthemastercylinder
piston.Asasafetyprecaution,the
pressurizeduidfromthemaster
cylinderhastwomutuallyindependent
circuits.Theprimarycircuitsupplies
thefrontwheelswhilethesecondary
circuitsuppliestherearwheels.The
displaceduidfromthemastercylinder
travelsthroughbrakepipesterminating
atthewheelcylinderswhichactuate
thebrakepadmechanisms.Actuation
ofthesemechanismsforcethebrake
padsagainsttherotorstostopthe
wheels.
Areserveelectricmotorpumpprovides
aredundantpowersourceforthe
hydraulicboosterintheeventnormal
owfromthepowersteeringpumpis
interrupted.Manualbrakingisalso
availableintheeventboththepower
andreservesystemsareinoperative.
WARNING!
Neverdriveyourvehiclewiththe
parkingbrakesapplied.Alwaysre-
leasetheparkingbrakespriorto
movingthevehicle.Failuretodis-
engagetheparkingbrakespriorto
movingyourvehiclecouldresult
inexcessiveheatbuild-upofthe
brakesandstartare.
NOTE
Today’sdieselelectronicengines
havesignicanttorqueandstarta-
bilitypoweratlowRPM.Combina-
tionsofenginespeedandavailable
torquemayover-powerthevehicle’s
parkingbrakes.
(03/17)Y53-6060-1C14-35
4
OPERATINGTHEBRAKESYSTEM
WARNING!
Thebrakesystemisacriticalvehicle
safetysystem.Forthesafetyofyou
andothersaroundyou,havetheve-
hiclesubmittedforperiodicpreven-
tivemaintenancechecksaswellas
havinganysuspectedproblemsim-
mediatelycheckedbyanAuthorized
ServiceCenter.Failuretoproperly
maintainyourbrakesystemcanlead
toseriousinjuryaccidents.
BrakeComponents
Thefollowingisabriefdescription
ofthehydraulicbrakesystem.Itis
intendedtosupplyyouwithgeneral
informationonhowthesystemworks.
Forcompleteinformationseethe
PeterbiltMediumDutyMaintenance
Manual.
Anti-LockBrakeSystem(ABS)
ModulatorValveBody:adjustsbrake
uidowbetweenthemastercylinder
andthewheelcaliperstoavoidwheel
lockup.
ABSWarningLamp:lightswhenthe
ABScontrollerdetectswheellock-up
whiledrivingandactivatestheABS.
LightsalsowhenafaultintheABSis
detected.
BrakeFluidReservoir:storesbrake
uidandoffersaplacetoreplenish
whenneeded.
BrakeMasterCylinder:translates
brakepedalforceintohydraulicuid
pressureintheprimaryandsecondary
circuits.
BrakePedal:appliesactuationforce
fromoperator'sfoottothemaster
cylinderpistons.
BrakeWarningLamp:illuminates
wheneitherpowersteeringuidow
isinterruptedorwhenapressure
differentialispresentintheprimary
andsecondarybrakeuidpressure.
Eithercaseadverselyaffectsbraking
operation.
DifferentialSwitch:measuresthe
hydraulicuidpressuredifference
betweentheprimaryandsecondary
circuits.
ElectrohydraulicPump:The
Electrohydraulic(EH)pumpisusedas
abackupboostpump.TheEHpump
turnsonandprovidesuidpressure
4-36Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
tothehydraulicboosterintheevent
powersteeringuidstopsowing
throughtheboosterhead.
FrontandRearWheelCalipers:
translatehydraulicuidpressureinto
forceappliedateachwheel-endbrake
rotortoretardwheelmotion.
HydraulicBooster:Thehydraulic
boosterappliesadditionalhydraulic
forcefromthepowersteeringgearto
themastercylinderpistonwhenthe
brakepedalisapplied.
ParkingBrakeLamp:illuminates
whentheparkingbrakeisengaged
(theleverisintheupposition.)
ParkingBrakeLever:thehandlever
locatedinthecabwhichengagesor
disengagesthedrivelinedrumbrake.
PowerSteeringFlowSwitch:senses
owofpowersteeringuid.
PowerSteeringFluidReservoir:
storespowersteeringuidandoffersa
placetoreplenishwhenneeded.
PowerSteeringGear:assists
thesteeringoperationandsends
pressurizedpowersteeringuidtothe
brakebooster.
PowerSteeringPump:drawspower
steeringuidfromthereservoirand
sendsittothepowersteeringgear.
WarningBuzzer:soundswheneither
powersteeringuidowisinterrupted
orwhenapressuredifferentialis
presentbetweentheprimaryand
secondarybrakeuidpressure.
Eithercaseadverselyaffectsbraking
operation.
BrakeWarningLamp
Whenthebrakewarninglampcomes
on,itindicatesamalfunctioninthe
brakesystem.Possiblemalfunctions
includelossofhydraulicpressurefrom
thepowersteeringcircuitorapressure
differentialbetweentheprimaryand
secondarybrakecircuits.
WARNING!
Donotoperatethevehicleifthe
brakelightorbuzzercomeson.The
lightorbuzzerindicatesafailurein
oneofthebrakecomponents/sys-
tem.Driveyourvehicletotheside
oftheroadimmediately.Failureto
dothismayleadtoanaccidentand
severeinjury.
(03/17)Y53-6060-1C14-37
4
OPERATINGTHEBRAKESYSTEM
Ifthebuzzersoundswhiledriving,or
iftheBRAKElightcomeson,dothe
following:
1.Slowdowncarefully.
Herearesomethingsyoucando
toassistinslowingthevehicle:
°Downshift-Puttingthe
transmissionintoalowergear
willhelpslowthevehicle.
°Pumpthebrakes-Pumping
thebrakepedalmaygenerate
enoughhydraulicpressureto
stopthevehicle.
°Usetheparkingbrake-The
parkingoremergencybrake
isseparatefromthehydraulic
system.Thereforeitcanbe
usedtoslowthevehicle.
2.Moveasafedistanceofftheroad
andstop.
3.Settheparkingbrake.
4.Turnontheemergencyasher
anduseotherwarningdevicesto
alertothermotorists.
WetorOverheatedBrakes
WetBrakes
Ifyouhavebeendrivinginheavyrain
ordeepstandingwater,yourbrakes
willgetwet.Waterinthebrakes
cancausethemtobeweak,toapply
unevenly,ortograb.Theseconditions
cancausealackofbrakingpower,
wheellockups,orpullingofthevehicle
toonesideortheother.
Avoiddrivingthroughdeeppuddles
orowingwaterifpossible.Ifnot
possible,youshouldtothefollowing:
•Slowdown.
•Placetransmissioninlowergear.
•Gentlypressonthebrakepedal.
•Increaseenginespeedwhile
keepinglightpressureonthe
brakepedalforashortdistanceto
dryoutthebrakelinings.
4-38Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
OverheatedBrakes
Whiletravelingdownsteephills,
gravitywilltendtospeedyouup.You
mustgoslowenoughthatyourbrakes
canholdyoubackwithoutgettingtoo
hot.Ifyouridethebrakepedalandthe
brakesgettoohot,theymay"fade",
causingyoutopressevenharderin
anattempttomaintainyourdesired
stoppingpower.Thebrakesmayeven
fadesomuchthatyouwon’tbeableto
slowdownorstopatall.
Usinglowertransmissiongearswill
helpkeepthevehiclefromgoingtoo
fast.Usinglowergearsallowsengine
compressionandfrictiontohelpslow
thevehicle.Besuretobeinthe
rightgearbeforeyoustartdowna
hill,especiallyifyouhaveamanual
transmission.Youcouldgethungup
inNEUTRALandlosethebenetof
enginebraking."Coasting"isillegal,
andalsoVERYdangerous.
Anti-LockBrakingSystem
Thisvehicleisequippedwithan
Anti-LockBrakingSystem(ABS).
ABSreducesthelikelihoodofa
wheellocking.Ifawheelisabout
tolockduringbraking,theABSwill
automaticallyadjusthydraulicpressure
tothebrakecalipersontheappropriate
wheel(s)topreventwheellock-up.The
ABSisautomaticallyactivatedwhen
theignitionswitchisturnedon.
CAUTION
Thecenterpinofthe7-waytrailer
lightlinemaybeconstantlypowered
forABS.Makesureitwillnotacci-
dentlyturnontrailerequipment.
ABSWarningLamp
TheABSwarninglampwillcomeon
briey,thengooff,whenthekeyswitch
isrstturnedon.Ifthelampremains
ONuntilaspeedof4mph(6km/h)is
reached,thengoesOFF ,theremaybe
astoredfaultcode.Ifthelampremains
ONwhenaspeedinexcessof4mph
(6km/h)isreached,theremaybean
activefaultintheABSsystem.
CAUTION
IftheABSwarninglightdoesnot
illuminatewhentheignitionisrst
turnedon,thereisaproblemwith
thebulborwiring.Youshouldhave
thischeckedassoonaspossible.
(03/17)Y53-6060-1C14-39
4
OPERATINGTHEBRAKESYSTEM
WARNING!
Noindicationwillbegivenviathe
dashboardwarninglightsorbuzzer
iftiresofthewrongsizeareinstalled
onyourvehicle.TheAnti-Lock
BrakeSystem(ABS)iscalibrated
forthespecictirerevolutionsper
mile.Useofatireand/orwheelsize
differentfromthatoriginallyinstalled
onyourvehiclemaycausetheABS
systemtonotfunctionduringahard
brakingevent.Thiscouldcausean
accidentorseriouspersonalinjury.
ConsultwithyourPeterbiltdealer
beforeusingadifferenttireand/or
wheelsizethanwasoriginallyin-
stalledonyourvehicle.
ParkingBrakeBurnishing
Thisprocedureisrecommended
fornewvehicleswherelesslever
actuationforceisrequired.This
procedureismandatorywheneverthe
drivelinebrakeshoesorbrakedrum
arereplaced.
WARNING!
Ifanewdrumornewbrakeshoes
areinstalled,thedrivelinebrake
mustbeburnished.Failuretoprop-
erlyburnishtheparkingbrakebefore
puttingitinservicecouldresultin
aninoperativeparkingbrake,pos-
siblevehiclerollaway,andserious
personalinjuryordamagetothe
vehicle.
1.Drivethevehicleat15mph(24
km/h)inalowgear(rstorsecond)
onadry,hardroadsurface.
2.Applytheparkingbrakeleverwith
amoderateforce(approximately
40pounds)untilthevehicleis
broughttoastop.Donotallowthe
wheelstolockup.
3.Afterstopping,releasetheparking
brakeleveranddrivethevehicle
at20mph(32km/h)inalowgear
forapproximately2.5miles,to
allowthebrakedrumtocool.
4.Repeatsteps1,2,and3above
untilatotalof10stopshavebeen
completed.
5.Adjusttheparkingbrakelever.See
theMediumDutyMaintenance
Manual.
4-40Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
Retarders
Variousretardersareavailablewhich
functionagainsttheengine,driveline,
ortransmission.Thesearedevices
thatuseyourengine’spowertoslow
downyourvehicle.Theysavewear
andtearonyourservicebrakesand
canbeasafetyfeature,too,because
theycankeepyourbrakesfrom
overheating.
Ideally,youshouldalwaysslowyour
vehiclewithyourretarder(where
permittedbylaw)anduseyourservice
brakesonlyforstoppingcompletely.
Operatingthiswaywillgreatlyprolong
thelifeofyourbrakes.
WARNING!
Donotuseanyofthevehicle’sre-
tardersinanysituationthatrequires
animmediatestopand/orinsitua-
tionsofpoortraction(suchaswet,
icyorsnowcoveredroads).Trying
tousetheretarderinsteadoftheser-
vicebrakesmaycausealossofve-
hiclecontrolwhichmayresultinan
accidentinvolvingdeathorpersonal
injury.
WARNING!
Theservicebrakesmustbeusedin
anemergency.Theretarderalone
mightnotstopyoufastenoughto
preventanaccident.Failuretocom-
plymayresultindeath,personalin-
jury,equipmentorpropertydamage.
TheretarderisNOTintendedasthe
primarybrakeforthevehicle,noris
itanemergencybrake.Theretarder
onlyhelpstheservicebrakesbyusing
pressuretoslowthedrivetrain.Use
theservicebrakesforquickstops.
Donotusetheretarderwhenoperating
onroadsurfaceswithpoortraction
(suchaswet,icy,orsnowcovered
roadsorgravel).Retarderscan
causethewheelstoskidonaslippery
surface.
(03/17)Y53-6060-1C14-41
4
OPERATINGTHEBRAKESYSTEM
DrivingBobtailorwithanUnloaded
Trailer
Werecommendthatyoudonotuse
yourengineretardertoslowdown
whenyouarebobtailingorpullingan
emptytrailer.
WARNING!
Usinganengineretardercancause
awheellockup.Thetrailerisnot
loadingthetiresenoughtogive
thetractionyoumayneed.When
youarebobtailorunloaded,you
canhaveaseriousaccidentifyour
wheelslocksuddenlyduringbrak-
ing.Youcouldbekilledorinjured.
Don’tuseyourretarderwhenyou
aredrivingbobtailorwithanun-
loadedtrailer.
TransmissionRetarder
Ifyouhavethisoption,itwillact
likeabraketoslowyourvehicle
withoutusingthebrakes.T akeyour
footoffthethrottleandoperatethe
retarderswitch.Whenyoudonot
needfullretardereffect,youcan
applyitintermittently(offandon)
tocausegradualorpartialslowing.
Continuousapplicationofyourretarder
willcauseyourhydraulicuidtoget
hotter.Intermittentapplicationwillhelp
preventoverheating.
WARNING!
Donotrelyonyourautomatictrans-
missionhydraulicretardertostop
yourvehicle.Ifyourengineshuts
down,thevehicle’sretarderwill
ceasetooperatewhichmaylead
toanaccidentinvolvingdeathor
personalinjury.Alwaysbereadyto
suddenlyapplytheservicebrakes.
4-42Y53-6060-1C1(03/17)
4
OPERATINGTHEBRAKESYSTEM
ParkingBrake
1.NormalRunPosition
2.TrailerParkWithVehicle
Released
3.SystemParkorTrailer
ChargeWithVehicleParked
Parkingbrakesworkinreverseaction
oftheregularbrakes.Whenthe
parkingbrakesareengaged,airis
exhaustedfromthespringchambers
whichallowthespringtoengagethe
brakes.Thisdesignalsoprovidesfor
thesafetyfunctionifabrakecircuit
hasaleakandlosesair.Insucha
scenario,theparkingbrakeswillapply.
Thevehicle’sparkingbrakecontrols
aretheyellowdiamondshapedknob
onyourdashboard.Ifthevehicleis
equippedtotowatrailer,thentherewill
beanadditionalredoctagonshaped
knobforthetrailerparkingbrakes.
Parkingbrakeswillbeengagedwhen
eitheroftheseknobsarepulledOUT.
(Ifoneknobispulledout,theother
knobwillautomaticallypopout.)
PushingINaknobwilldisengage
therespectiveparkingbrakes.Ifyou
pushintheyellowknobonly,you
willdisengagethevehicle’sparking
brakesbutwillnotdisengagethetrailer
parkingbrakes(ifapplicable).Either
knobwillpopbackoutifthesystem
pressureisnotabove60psi(414kPa).
Theinstrumentpaneldisplaywill
provideamessageanytimethe
parkingbrakes(vehicleorthetrailer)
aresetandthevehicleisputinto
motion.
(03/17)Y53-6060-1C14-43
4
CRUISECONTROL
CRUISECONTROL
CruiseControlSwitch
Thisvehiclemayhavecruisecontrol
switcheslocatedonthesteeringwheel
insteadoftheswitchesonthedash
board.Theinstructionsarestillthe
same.
•ToTurnOn:
PresstheON/OFFbutton.
•ToTurnOff:
PresstheON/OFFbutton.Any
previousspeedsettingsarecleared.
UsingCruiseControlWhileDriving
SettingCruiseSpeed
1.Ensurethatthevehiclespeedis
abovetheminimumcruisecontrol
speed(19mph(30km/h)for
PACCARMXengineand30mph
(48km/h)fortheCumminsand
PACCARPXseriesengines)and
theenginespeedisabove1100
rpm.
2.Pressthe"ON/OFF"button.
3.Acceleratethevehicletothe
desiredcruisespeed.
4.Pressthe"SET"buttontosetthe
cruisespeed.
NOTE
CruiseControlmaynotholdtheset
speedgoingdownhills.Ifthespeed
increasesgoingdownahill,usethe
brakestoslowdown.Thiswillcan-
celCruiseControl.
ChangingtheCruiseSetSpeed
Forvehicleswithcruisecontrolbuttons
onthesteeringwheel,thecruise
speedmaybechangedbyusingthe
+/-button.Thepressingandholding
the+buttonwillincreasespeedwhile
pressingandholdingthe-buttonwill
decreasespeed.Forvehicleswith
dashmountedcruisecontrolswitches,
changingthespeedisdonethrough
the"Set/Resume"button.T oincrease
thespeed,pressandholdtheSet
button.Todecreasethespeed,press
andholdthe"Resume"button.
CancellingCruiseControl
Youcancancelcruisecontrolinany
oftheseways:
•Tapthebrakepedal.
•Taptheclutchpedal.
4-44Y53-6060-1C1(03/17)
4
CRUISECONTROL
•PresstheON/OFFbuttonifthe
vehiclehasdashboardmounted
cruisecontrolswitchesorthe
CANCELbuttonifthevehiclehas
cruisecontrolswitchesonthe
steeringwheel.
ResumingCruiseControl
1.Ifyoutappedthebrakeor
clutchpedal,thecruisecontrol
rememberedthepreviouslyset
cruisespeed.T oresumethat
setspeed,accelerateabovethe
minimumcruisecontrolspeedand
pressthe"RESUME"button.
2.Ifyoupressedthe"OFF"button
(orthesteeringwheelmounted
"CANCEL"button)orturnedthe
ignitionkeyOFF ,thisclearedthe
systemmemoryandyouwillneed
tosetanewcruisespeed.
UsingCruiseControlforStationary
PTOOperation
SettingIdleSpeed
1.Ensureparkingbrakesareapplied.
2.EnsuretransmissionisinNeutral.
3.EngagePTOperthe
manufacturer'soperating
instructions.
4.Pressthe"ON"button.
5.Pressthe"SET"buttontoobtain
thedesiredenginerpm.
CancellingCruiseControl
Youcancancelcruisecontrolinany
oftheseways:
•Tapthebrakepedal.
•Taptheclutchpedal.
•Pressthe"OFF"button(or
thesteeringwheelmounted
"CANCEL"button).
NOTE
Cruisecontrolfunctionsandfea-
turesmayvarydependingupon
whichengineyouhave.Forspecic
explanationofyourcruisecontrol,
seethecruisecontrolorengine
manualincludedwithyourvehicle.
Thisvehicleselectronicsystemwill
performa‘rationalitycheck’everytime
thevehicleisstarted.Thischeckis
toensurethattheservicebrakesare
workingbeforeallowingcruisecontrol
tofunction.Thissafetyfeatureis
designedtoensurethatadriverisable
tocancelthecruisesetspeedbyusing
theservicebrakepedal.Thesystem
willnotallowcruisecontroloperationif
itdoesnotpassthe‘rationalitycheck’.
Theinstrumentclusterwillpromptyou
topresstheservicebrakepedalifit
hasnotbeenpressedsincethevehicle
hasbeenstarted.
(03/17)Y53-6060-1C14-45
4
CRUISECONTROL
InvehicleswithEatontransmissions,
thecruisecontrolswitchesmaybe
locatedontheshiftcontrolknob.
4-46Y53-6060-1C1(03/17)
4
AXLE
AXLE
DifferentialLock
Thevehiclemaybeequippedwith
switchestolocktheeitheroftherear
axledifferentials.Dependingonhow
thevehicleisspecied,acombination
individualswitchesmaybeavailable
thatcanlocktheinteraxledriveline
and/oranycombinationoftheforward
rearorrear-reardrivingaxles.
Theinteraxledifferentialswitchallows
eachaxletoturnindependently.
Incertainsituations,engagingthe
interaxledifferentiallockrelieves
stressontherearaxlesandreduces
tirewear.Engagingthisswitchwill
alsoprovidebettertractioninslippery
orloosegravelconditions.
IntheLOCKposition,continuous
operationonpaved,drysurfaces,put
stressontheaxles,andcanpossibly
damagetheinternalgears.Theswitch
hasaguardtopreventaccidental
operationoftheswitch.
Lockingthedifferentialsistypically
usedduringiceorsnowconditions
andwithouttirechains,unpavedroads
thathaveloosesand,mudoruneven
surfaces.Lookaheadandpredict
whenthedifferentialneedstobe
locked.Stopthevehicleandlockthe
differentialsbeforeapproaching.
Whileusingthedifferentialinthe
lockedposition,donotexceed25mph
(40km/h).Whendisengagingthe
differentiallock,reducethethrottleto
preventdrivetraindamage.
WARNING!
Donotputthedifferentiallockinthe
LOCKpositionwhilethewheelsare
spinningfreely(slipping),youcould
losecontrolofthevehicleorcause
axledamage.SwitchtoLOCKonly
whenthewheelsarenotspinning.
Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
(03/17)Y53-6060-1C14-47
4
AXLE
DualRange(Two-Speed)
RearAxle
Yourvehiclemaybeequippedwitha
two-speedordualrangeaxle(option).
Youcanselecttworearaxleratiosfor
operatingunderheavyloadsorrough
terrainaswellasforovertheroad
hauling.
TheLowRangeprovidesmaximum
torqueforhaulingheavyloadsor
travelingoverroughterrain.TheHigh
Rangeisafasterratioforhighway
speedsandgeneralovertheroad
conditions.Aswitchontheaccessory
switchpanelcontrolstheDualRange
RearAxle.Youwillnoticethatthe
switchhasaguardtoprotectyoufrom
activatingitaccidentally.Alwayspark
yourvehiclewiththerangeselectorin
LOW.
DualRangeAxleOperation
ImportanttipsonoperatingaDual
RangeAxlewithInteraxleDifferential:
Shifttheaxlewiththeinter-axle
differentialintheunlockedposition
only.
Whenyouaredrivingwithpoor
traction,lockthedifferential.When
youhavethedifferentiallocked,drive
withtheaxleinLOWrangeonly.
Whenyouaredrivingonasurface
withgoodtraction,keeptheinteraxle
differentialunlocked.Youcandrive
withtheaxleintheLOWorHIGH
range.
AlwaysUNLOCKtheinter-axle
differentialbeforeshiftingtheaxle
speedrange.
CAUTION
Ifyoushifttheaxlerangewiththe
inter-axledifferentialinLOCK,you
couldseriouslydamagetheaxles.
Nevershifttheaxlerangewiththe
differentiallocked.
4-48Y53-6060-1C1(03/17)
4
AXLE
Starting-Up
1.Unlocktheinter-axledifferential
beforestarting.
2.PuttheRangeSelectorinthe
LOWrange.Shiftthetransmission
tostartthevehiclemoving.
3.Whenyouaredrivingonrough
terrainandsecondaryroads,or
underaveryheavyload,keepthe
axleintheLOWrange.Shiftthe
transmissiontomaintainproper
roadspeed.
WARNING!
Nevershifttheaxlewhenmoving
downhill.Enginedrivelinedisen-
gagementmayoccur,eliminating
engineretardationandallowingthe
wheelstospinfasterthanthecur-
rentspeedoftheengine.Thismay
requireseverebrakingtoslowthe
vehicledownandcanresultinanac-
cident.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.
Propershiftingoftheaxledependson
thesynchronizationofengine/driveline
andwheelspeed.Whenyoushift
theaxle,theconnectionbetweenthe
engineandwheelsismomentarily
disengagedwhilethegearingis
synchronized.Normallywhentheaxle
isshiftedthespeedoftheengine,axle,
andwheelsadjust,allowingforproper
gearengagement.
Whengoingdownhillthewheelswill
notslowdown,butwilltendtospeed
up,whichmakesgearsynchronization
almostimpossible.Asaresult,the
axleisneitherinHIGHnorLOWrange
andallengine/drivelineretardationis
lost.Withoutengineretardationitis
moredifculttoslowthevehicledown
andgreaterstressisputonthebrake
system.
CAUTION
Toavoiddamagingyourvehicleshift
theaxleatslowertravelspeedsuntil
youareusedtodrivingwithadual
rangeaxle.
(03/17)Y53-6060-1C14-49
4
AXLE
LOWtoHIGH(Cruising)
Whenyougofromroughterrainto
highwaydriving,shifttheaxletothe
HIGHrangefollowingthisprocedure:
1.Besurethedifferentialis
UNLOCKED.
2.Maintainyourvehiclespeed
(acceleratordepressed)andmove
theRangeSelectorlevertoHIGH.
3.Keepdrivingwiththeaccelerator
depresseduntilyouwanttheaxle
toshift.
4.Tomaketheaxleshift,releasethe
acceleratoruntiltheaxleshifts.
YouarenowintheHIGHaxle
rangeforhighwayspeeds.Shift
thetransmissionnormallytoreach
yourdesiredcruisingspeed.
HIGHtoLOW(RoughTerrain)
Ifyouneedtodownshifttheaxlefor
morepoweroryouaredrivingon
roughterrain:
1.Maintainyourvehiclespeed
(acceleratordepressed)andmove
theRangeSelectorlevertoLOW.
2.Keepdrivingwiththeaccelerator
depresseduntilyouwanttheaxle
todownshift.
3.Tomaketheaxledownshift,
releaseanddepressthe
acceleratorquicklytoincreasethe
engineRPM.Theaxlewillshiftto
LOWrange.
4.YouarenowintheLOWaxle
rangeforroughterrainandheavy
loads.Shiftthetransmission
normallytomaintainthedesired
speed.
AuxiliaryAxles-Pusheror
Tag
Adjustableauxiliaryaxles(commonly
knownasPusherorTagaxles)can
addtotheproductivityofthevehicleby
increasingtheloadcapabilitiesofthe
vehiclewhentheyareinthedeployed
(down)position.Therearedifferent
congurationsofaxleswithdifferent
functionality(liftableversussteerable)
Withouttheextraaxle,theexcessive
weightcanreducetheservicelife
ofvehiclecomponentssuchas,but
notlimitedto,theframerail,axles,
suspensionandbrakes.
Operationoftheauxiliaryaxles
includesthepropermaintenanceofthe
systemandcalibrationofitscontrols.
Operatingtheauxiliaryaxleswillalso
requirearmunderstandingofthe
4-50Y53-6060-1C1(03/17)
4
AXLE
GAWRandtheloadthatisbeing
carried.
Thevehiclewillhaveswitchesonthe
dashtocontrolthepositionofthe
auxiliaryaxles.Incertainsituations,
however,thesystemwilloverridethe
controlstoprotecttheaxlesystem.
Anyliftableandsteerableauxiliary
axleswillriseoffofthegroundwhen
theparkingbrakesareengagedor
whenthevehicleisputinreverse.
Iftheliftableauxiliaryaxleisnota
steerableaxle,thenitwillremaininthe
downpositionwhenactivatedbythe
dashmountedswitch.
Operatingtheauxiliaryliftableaxles
mustbeperformedinamannerthat
doesnotexceedtheaxlecreeprating.
Axlecreepratingsareweightand
speedlimitsthatareallowedwhile
thevehicleisfullyloaded(inexcess
ofthevehicle’sstandardGAWR)and
theaxleisinitsupposition.Axle
creepratingsareassignedbythe
axlemanufacturerandarebasedon
axlemodelandintendedserviceof
thevehicle.Contactanauthorized
dealershipifyouareunabletoidentify
theaxlecreepratingofthisvehicle.
•Liftable/steerable(axlelift
calibrationrequired)
•Liftable/non-steerable(axlelift
calibrationrequired)
•Non-liftable(somesuspensions
requiredumpvalvecalibration)
WARNING!
Donotoperateorparktheve-
hiclewithauxiliaryaxlesinthe
down/loadedpositionwhenvehicle
isunladen,orisbeingunloaded.
Raiseordumpairintodriver-con-
trolledauxiliaryaxle(s)priortoun-
loadingvehicle.Failuretodoso
canresultinlossofvehiclecontrol
orrollawaythatmayresultindeath,
personalinjury,equipmentorprop-
ertydamage.
(03/17)Y53-6060-1C14-51
4
AXLE
AxleCreepRatingDenition
CreepRatings
Lowspeed,off-highway(worksite)
axleloads,whichexceedthestandard
grossaxleweightrating(GAWR)ofa
particularaxle.
Operator'susingvehiclesequipped
withliftableauxiliaryaxlesmust
considercreepratingswhenany
liftableaxleisunloadedorintheraised
position.Liftableauxiliaryaxlesshould
onlyberaised(orunloaded)toimprove
maneuverabilityinanoff-roaduseor
whenvehicleisunloaded.
NOTE
AxleCreepratingsMUSTNOTbe
exceeded.
Contactyourdealeroraxle
manufacturertodeterminewhat
thecreepratingisforyourparticular
axle(s)andconguration.Creep
ratingsaregenerallylimitedtothe
following:
•Tandemrearaxlesonly
•Straighttrucksonly
•Maximumspringmount
centersperaxlemanufacturers
specications
•Maximumtirestaticloadedradius
(SLR)peraxlemanufacturers
specications
CAUTION
Alwayslowertheaxlesassoon
aspossibleafterreceivingaload.
Neverexceed5milesperhourwhen
drivingwithaloadwiththeauxil-
iaryaxle(s)raised/unloaded.Failure
tolowertheaxle(s)canoverload
theframeandremainingaxles,and
couldcauseequipmentdamage.
WARNING!
Neveroperatethevehiclewithmore
pressureintheliftaxlesthanisnec-
essarytocarrytheload,asdeter-
minedbythecalibrationprocedure
described.Failuretodosocanre-
sultinlossoftractionandstabilityat
thesteerand/ordriveaxlesandcan
resultinincreasedbrakingdistance
whichcouldcauselossofvehicle
controlresultinginanaccident.Fail-
uretocomplymayresultindeath,
personalinjury,equipmentorprop-
ertydamage.
CAUTION
Donotmodifytheairsystemand/or
controlfunctionalityonafactoryin-
stalledauxiliaryaxle(s).Modifying
thefactoryoperationofthepusher
and/ortagaxle(s)willvoidyourwar-
ranty,andcancauseequipment
damage.
4-52Y53-6060-1C1(03/17)
4
AXLE
CAUTION
Achangeintiresizeoneitherthe
auxiliaryaxlesorthedrive/steer
axlescanchangethecalibration
oftheauxiliaryaxles.Iftiresare
installedwithadifferentloadedra-
dius,thecalibrationproceduremust
berepeated.Failuretodosocan
causeequipmentdamage.
Liftable/Steerableor
Liftable/Non-SteerablePusher
and/orTagAxleCalibration
Procedure
Belowaresomegeneralinstructions
onhowtoadjustandcalibratetheair
controlvalvefortheauxiliaryaxlesto
obtaintheproperloaddistributionof
theaxle(s).Foradditionaloperating
andmaintenanceinstructions,seethe
pusherortagsuspensionmanufacturer
literatureinthegloveboxorcontact
themdirectly.
NOTE
Thisproceduremustbeperformed
priortoplacingthevehicleintoser-
vice.
SettingthePressure-to-LoadRatio
Toobtainthedesiredaxleload
distribution,youmustcorrelatethe
suspensionairgaugepressuretothe
actualaxleloadbyscalingtheaxle
weight(s)andadjustingthepressure
toobtainthedesiredload.Oncethe
desiredloadorloadrangeisachieved,
documentthepressure-to-loadratioor
settingforfutureuse.
(03/17)Y53-6060-1C14-53
4
AXLE
GeneralCalibrationGuidelines
Theseinstructionsaregeneralin
nature.Formorespecicinstructions,
reviewthepusherortagsuspension
manufacturersmaintenancemanualor
contactthenearestauthorizeddealer.
NOTE
Performthisprocedureatorneara
weightscale.Procedurecanbeper-
formedwhileparkedontheweight
scaleifscaleisavailable.
1.Parkloadedvehicleonlevel
surfacewithwheelsblocked.
2.Releasevehiclesspring
brakes.(Donotreleasefor
Liftable/Non-Steerablepusheror
tagaxles).
3.Lowerthepusher/tagaxleswith
theaxleliftcontrolipvalve.(For
somenon-liftableaxles,inateair
suspension).
4.Adjusttheamountofloadon
eachaxlebyturningthepressure
regulatorclockwisetoincrease
theloadorcounterclockwise
todecreasetheload.(The
suspensionmanufacturer
maypublishpre-established
Pressure-to-LoadRatioPressure
Settingstoassistyouinachieving
anestimatedgroundload).
5.Aftersettingthepressuretoobtain
thedesiredaxleload,verifyproper
groundloadingwiththeweight
scale.
NOTE
Exceedinglocal,stateorfederal
weightlimitsmayresultincita-
tions.Contactyourlocalcommercial
weightenforcementofceforlimits
inyourarea.
Operationguidelines
NOTE
Steerable-pusherand/ortagaxle(s)
willraisewhenthetransmissionis
shiftedintoreverseorwhenthe
parkingbrakesareapplied.
4-54Y53-6060-1C1(03/17)
4
AXLE
MaximizingDriveAxleTraction
Adjustthepressureregulatorcontrol
knobtoalowerpressureuntildesired
tractionisobtained.Byreducingair
pressureatpusherortagaxle,load
willbetransferredtodriveaxles.Do
notoverloaddriveaxles.
CouplingToALoadedTrailer
Inateairspringsoftheauxiliaryaxles
tothedesiredpressureaftercoupling
toaloadedtrailerwhilestillmaintaining
propertractionofthedriveaxles.
UnloadingOperation
Alwaysdeateairspringsofthe
auxiliaryaxlesbeforeattemptingto
unloadvehicle.Thisallowsmaximum
tractionofthedriveaxlestocontrolthe
vehicle.
(03/17)Y53-6060-1C14-55
4
AXLE
Non-liftable(Non-steerable)Axles
Somesuspensionsrequiredumpvalve
calibration.
Example:Newaydeadaxlesdonot
lift,buttheaircanbedumpedoutof
themtounloadthemwhenempty.Air
pressureiscontrolledviaanadjustable
regulator.Theseaxlesneedtobe
calibratedforload.
Contactyourauthorizeddealeror
axle/suspensionmanufacturerfor
dumpvalvecalibrationprocedures.
4-56Y53-6060-1C1(03/17)
4
SUSPENSION
SUSPENSION
SettingRideHeight
Vehiclesequippedwithrearair
suspensionshavetheirrideheightand
axle(pinion)angle(s)presetatthe
factory.Theseareprecisionsettings
andshouldnotbealtered.Incorrectly
adjustedrideheightmayresultin
improperinteraxleU-jointworking
angles.Thiscanresultinpremature
drivelinewearanddrivelinevibration.
Ifyourvehicleisequippedwitha
Peterbiltrearairsuspension,andifit
becomesnecessarytoresettheride
height,youmaytemporarilysetitby
followingthenextprocedure.Proper
rideheightmeasurementandvalues
forafullyladenvehicleareshownin
theillustrationandtablebelow.
RideHeightMeasurement(Location
forTandemAxlesShown)
FullyLadenVehicle
Propri-
etary
Rear
RideHeight,
inches(mm)
AirSus-
pension
Single
Drive
Tandem
Drive
AirLeafN/A11.70(297)
AirTrac
11.00(279)11.00(279)
LowAir
Leaf
6.50(165)8.50(216)
LowLow
AirLeaf
N/A6.50(165)
FLEXAir
N/A8.50(216)
UnladenVehicle
Propri-
etary
Rear
RideHeight,
inches(mm)
AirSus-
pension
Single
Drive
Tandem
Drive
AirLeafN/A12.0(305)
AirTrac
11.38(289)11.38(289)
LowAir
Leaf
(Before
April2004)
8.75(222)8.75(222)
LowAir
Leaf(After
April2004)
6.75(171)8.75(222)
LowLow
AirLeaf
N/A6.75(171)
FLEXAir
N/A8.75(222)
Followthisproceduretotemporarily
setrideheight.
(03/17)Y53-6060-1C14-57
4
SUSPENSION
WARNING!
Ensurethatavehicleisparkedand
thewheelschockedbeforebegin-
ningthisprocedure.
CAUTION
Completingthisprocedurewillen-
ableyoutosafelyreachthenearest
authorizedPeterbiltrepairfacilityto
haverideheightandpinionanglere-
setusingtheproperequipmentand
technique.Dothisassoonaspossi-
bletoavoidpotentialdrivelinedam-
age.
NOTE
Suitablewheelchocksareatamin-
imuman18-inch(46cm)long4x4.
1.Ensurethatthetractorisfullyladen
duringthisprocedure.Donotuse
theseproceduresonavehiclethatis
notladen(bobtail).
2.Ensuretheairsupplyanddelivery
plumbingoftheheightcontrolvalve
isconsistentwiththefollowing
illustrations.
TypicalHeightControlValve(Location
onVehicle)
TypicalHeightControlValve(Rear
ViewLookingForward)
1.AlignmentDowel
NOTE
•Atleastoneofthemounting
holesintheheightcontrolvalve
bracketwillbeslottedtopermit
rotatingthevalve.
•Ondual-valvesystems,begin
withtheLHvalveonthenext
step.
3.Loosenthefastenersmountinga
heightcontrolvalvetoitsbracket.
4-58Y53-6060-1C1(03/17)
4
SUSPENSION
WARNING!
•Therearofavehiclewill
dropabout31/2inches(88
mm)whentheairspringsare
deated.Ensurethatnopersons
orobjectsthatcouldbekilled,
injuredordamagedareunder
thevehiclebeforedeatingthe
airsprings.
•Tominimizeriskofdeath,
personalinjuryorproperty
damage,donotuseadump
valvetodeatetheairsprings.
Rotatetheheightcontrol
valve(s)manuallytoensure
positivecontrolofairspring
deation.
•Tominimizeriskofdeathor
personalinjury,keepawayfrom
airspringsastheyarebeing
inated.
4.Rotatethevalveeitherclockwiseor
counterclockwiseuntilairpressurein
theairspringsprovidestherideheight
speciedforthatsuspension.Measure
therideheightfromthebottomofthe
framerailtotheapproximatecenterline
oftherearmostdriveaxlehub:
•Fortandemaxles,makethe
verticalmeasurementatthe
centerlineofthesuspension(see
illustrationonpage4-58).
•Forasingleaxle,makethe
measurementinfrontoftheaxle,
intheareaforwardofthetiresbut
notpastthesuspensionbracket.
5.Whenatthecorrectrideheight,
ensurethattheheightcontrolvalve
leverisintheneutralposition,then
installeitherthebuilt-inalignment
pinora1/8-inch(3mm)dowel(see
illustrationonpage4-58).
6.Torquethemountingfastenersto
55-75Lb.in.(6.2-8.5Nm.).
7.Removethealignmentpinordowel.
8.RepeatSteps2through6above
fortheRHvalveonvehicleswitha
dual-valvesystem.
(03/17)Y53-6060-1C14-59
4
SUSPENSION
DrivingwithDeatedAir
Springs
Ifanairspringisruptured,therewill
beenoughairpressuretodrivethe
vehicletoasafestopoffthehighway
toinvestigatetheproblem.
WARNING!
Donotcontinuetodrivewithrup-
turedairsprings.Theairlosscan
causethespringbrakestoapplyal-
lowingyourbrakestodragandburn
upthelinings,whichcouldleadtoan
accidentcausingdeathorpersonal
injury.Donotcontinuetooperate
thevehicleinthiscondition.
Youcangettoarepairfacilityifyoudo
thefollowing:
1.Removetheheightcontrollink
connectedtotheaxleandto
thesuspensionairvalvecontrol
arm.Thiswillcausetheairvalve
controlarmtocenterintheclosed
position.
2.Theairsystemcanthenbe
pumpeduptonormalpressurefor
continuedoperation.
WARNING!
Donotdrivethevehicleiftheair
pressureislessthan100psi(690
kPa).Drivingthevehiclewithless
than100psi(690kPa)couldmake
thebrakesunsafetousewhich
couldcauseanaccidentinvolving
deathorpersonalinjury.
CAUTION
Operatingavehiclewithairsuspen-
sionbagseitheroverinatedorun-
derinatedmaycausedamageto
drivelinecomponents.Ifavehicle
mustbeoperatedundersuchcondi-
tions,donotexceed5mph(8km/h).
4-60Y53-6060-1C1(03/17)
4
AFTER-TREATMENTSYSTEM
AFTER-TREATMENT
SYSTEM
Introduction
Thisvehiclewillhasanexhaust
After-TreatmentSystem(ATS),to
controlvehicleexhaustemissions,
whichconsistofaDieselParticulate
Filter(DPF),SelectiveCatalyst
Reduction(SCR),Regeneration
Switchandwarninglights.TheDPF
willtrapsootfromtheengineexhaust
gases.TheSCRusesDieselExhaust
FluidtoreducethelevelsofNOxin
theengineexhaust.TheATSwill
periodicallyclean(regenerate)the
DPF.PleaserefertotheExhaust
AftertreatmentSystemSupplement
providedwiththevehicleformore
detaileddescriptionoffunctionalityand
warnings.
(03/17)Y53-6060-1C14-61
4
DRIVINGTIPSANDTECHNIQUES
DRIVINGTIPSAND
TECHNIQUES
Introduction
Thissectioncoversadditionaldriving
tipsandtechniquesonhowtodrive
yourvehiclemoreefciently.
Coasting
WARNING!
Donotcoastwiththetransmission
inneutralorwiththeclutchpedal
depressed—itisadangerousprac-
tice.Coastinginneutralmayresult
indamagetoyourdrivetrainwhen
youtrytore-engagethetransmis-
sion.Youcouldlosecontrolofthe
vehiclewhichcanleadtoanacci-
dentinvolvingdeathorpersonalin-
jury.
Donotcoastwiththetransmission
inneutralorwiththeclutchpedal
depressed.Besidesbeingillegaland
dangerous,coastingisalsoexpensive.
Itcausesprematurefailureordamage
totheclutchandtransmissionand
overloadsthebrakesystem.
Coastingwiththetransmission
inneutralalsopreventsproper
transmissioncomponentlubrication.
Duringcoastingthetransmissionis
drivenbytherearwheels,andthe
countershaftgear(whichlubricates
thetransmissioncomponentsbyoil
splash)willonlybeturningatidle
speed.
4-62Y53-6060-1C1(03/17)
4
DRIVINGTIPSANDTECHNIQUES
DescendingaGrade
WARNING!
Donotholdthebrakepedaldown
toolongortoooftenwhilegoing
downasteeporlonggrade.This
couldcausethebrakestooverheat
andreducetheireffectiveness.Asa
result,thevehiclewillnotslowdown
attheusualrate.T oreducetherisk
ofanaccidentwhichcouldcause
deathorpersonalinjury,beforego-
ingdownasteeporlonggrade,re-
ducespeedandshiftthetransmis-
sionintoalowergeartohelpcontrol
yourvehiclespeed.Failuretofollow
proceduresforproperdownhilloper-
ationcouldresultinlossofvehicle
control.
EngineOverspeed
CAUTION
Toavoidenginedamage,donotlet
theenginerpmgobeyondthemaxi-
mumgovernedrpm—valvedamage
couldresultifoverspeedconditions
occur.
NOTE
Oftentheserecommendationsare
secondarytomaintaininganade-
quateandsafespeedrelativetothe
surroundingtrafcandroadcondi-
tions.
Operatetheenginewithintheoptimum
enginerpmrangeanddonotallow
therpm'stoexceedthemaximum
governedspeed.SeeyourEngine
OperationandMaintenancemanual
forinformationregardingenginerpm.
Whentheengineisusedasabrake
tocontrolvehiclespeed(e.g.,while
drivingdownagrade),donotallow
theenginerpmtoexceedmaximum
governedspeed.
Undernormalloadandroadconditions
operatetheengineinthelowerendof
therange.
(03/17)Y53-6060-1C14-63
4
DRIVINGTIPSANDTECHNIQUES
UseofTachometer
Thetachometerisaninstrumentthat
aidsinobtainingthebestperformance
oftheengineandmanualtransmission,
servingasaguideforshiftinggears.
RefertotheEngineOperationand
Maintenancemanualforoptimum
enginerpm.
•Iftheenginerpmmovesbeyond
themaximumgovernedspeed,
indicatinganoverspeedcondition,
applytheservicebrakeorshiftto
ahighergeartobringenginerpm
withintheoptimumspeedrange.
•Whendrivingdownhill:shifttoa
lowergear,usetheenginebrake
(ifsoequipped),andusethe
servicebrake,keepingtheengine
speedbelow2,100rpm.
Whentheenginespeedreaches
itsmaximumgovernedspeed,the
injectionpumpgovernorcutsofffuel
totheengine.However,thegovernor
hasnocontrolovertheenginerpm
whenitisbeingdrivenbythevehicle's
transmission,forexample,onsteep
downgrades.Applyservicebrakesor
shifttoahighergear.
Fueleconomyandengineperformance
arealsodirectlyrelatedtodriving
habits:
•Thebestresultsintriptimeand
fueleconomyareobtainedwhile
drivingthevehicleatasteady
speed.
•Shiftintohigherorlowergears(or
applytheservicebrake)tokeep
enginerpmnearthelowerendof
theoptimumoperatingrange.
•Avoidrapidaccelerationand
braking.
Fuel-ExcessConsumption
Thevehicle'sfuelconsumptionis
connectedtothreeimportantfactors:
maintenance,drivinghabits,and
generalconditionoftheroad,trafc
conditions,andvehicleload.
4-64Y53-6060-1C1(03/17)
4
DRIVINGTIPSANDTECHNIQUES
Maintenance
Propermaintenancewillkeepthe
vehiclerunninglikenewevenafter
longperiodsofuse.Thedrivermust
performthedailyandweeklychecks
ofthevehicle.
Maintenancefactorsaffectingfuel
consumption:
•airand/orfuellterspartially
clogged
•enginevalvesoutofadjustment
•injectionpumpimproperly
synchronized
•injectionnozzlesdefectiveor
uncalibrated
•improperlyinatedtires
•wheelbearingsimproperly
adjusted
•clutchimproperlyadjustedorworn
(slipping)
•fuelleaks
DrivingHabits
Wrongdrivinghabitsmustbe
correctedandtherecommendations
oneconomicdrivingshouldbe
followed.
Drivingfactorsaffectingfuel
consumption:
•excessivespeedandunnecessary
fastacceleration
•longperiodsofidling
•drivingwithfootrestingonthe
(manualtransmission)clutch
pedal
(03/17)Y53-6060-1C14-65
4
DRIVINGTIPSANDTECHNIQUES
GeneralCondition
Otherfactorsaffectingfuel
consumptionarerelatedtoloads
andtypeofroadsonwhichthevehicle
operates.Itisnotalwayspossibleto
choosethemostadequateroad,but
itmustbekeptinmindthattheideal
roadistheonethatallowsasteady
speedinhighgear,withoutrequiring
frequentbrakingandacceleration.
Thefollowinggeneralconditions
canaffectfuelconsumption:
•overload
•unbalancedload
•veryhighload
•inadequateroads
•trafcconditions
4-66Y53-6060-1C1(03/17)
4
STOPPINGTHEENGINE
STOPPINGTHEENGINE
BeforeStoppingtheEngine
Ahotenginestoresagreatamountof
heat.Itdoesn’tcooldownimmediately
afteryoushutitoff.Alwayscoolyour
enginedownbeforeshuttingitoff.You
willgreatlyincreaseitsservicelife.
Idletheengineat1000RPMfor
veminutes.Thenlowidleforthirty
secondsbeforeshutdown.Thiswill
allowcirculatingcoolantandlubricating
oiltocarryawayheatfromthecylinder
head,valves,pistons,cylinderliners,
turbocharger,andbearings.This
wayyoucanpreventseriousengine
damagethatmayresultfromuneven
cooling.
Turbochargers
Thiscooling-downpracticeis
especiallyimportantonaturbocharged
engine.Theturbochargercontains
bearingsandsealsthataresubjected
tohotexhaustgases.Whilethe
engineisoperating,heatiscarried
awaybycirculatingoil.Ifyoustopthe
enginesuddenly,thetemperatureof
theturbochargercouldriseasmuchas
100°F(55°C)abovethetemperature
reachedduringoperation.Asudden
riseintemperaturelikethiscould
causethebearingstoseizeortheoil
sealstoloosen.
Refueling
Airinsidethefueltanksallowswater
tocondenseinthetank.T oprevent
thiscondensationwhilethevehicleis
parkedforextendedperiodsoftime,
llthetanksto95percentofcapacity.
Neverlltomorethan95percent
capacityasthisprovidesroomfor
expansionresultingfromtemperature
extremes.Whenrefueling,add
approximatelythesameamountto
eachfueltankonvehicleswithmore
thanonetank.
WARNING!
Donotcarryadditionalfuelcontain-
ersinyourvehicle.Fuelcontainers,
eitherfullorempty,mayleak,ex-
plode,andcauseorfeedare.Do
notcarryextrafuelcontainers,even
emptyonesaredangerous.Failure
tocomplymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
(03/17)Y53-6060-1C14-67
4
STOPPINGTHEENGINE
WARNING!
Dieselfuelinthepresenceofanig-
nitionsource(suchasacigarette)
couldcauseanexplosion.Amixture
ofgasolineoralcoholwithdieselfuel
increasesthisriskofexplosion.Do
notremoveafueltankcapnearan
opename.Useonlythefueland/or
additivesrecommendedforyouren-
gine.Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
Specication:UseonlyUltra
LowSulfurDiesel(ULSD)Fuel,
asrecommendedbyengine
manufacturers.Ifyouneedfurther
informationonfuelspecications,
consulttheEngineOperationand
MaintenanceManual.
LocationofFuelShut-OffValves
Ifyourvehicleisequippedwithshut-off
valvesforthetake-offandreturnlines,
theyarelocatedonthefuellines
enteringthetopofthefueltank.Fuel
shut-offvalvesforthefuelcrossover
lineareonthebottomofthefueltank,
atthecrossoverlineconnection.
RefuelBeforetheFinalStop
Airspaceinyourfueltanksallows
watertocondensethere.T oprevent
thiscondensationwhileyouare
stopped,llyourtanksto95%of
capacity.
4-68Y53-6060-1C1(03/17)
4
STOPPINGTHEENGINE
FinalStop
Tomakesureyourvehicleisready
togoafteralongstop(suchasover
night),pleasefollowthesuggestions
below.Yourvehiclewillbeeasierto
getgoingwhenyouareready,and
itwillbesaferforanyonewhomight
bearoundit.Pleaseremember,too,
thatinsomestatesitisillegaltoleave
theenginerunningandthevehicle
unattended.
FinalStoppingProcedures
1.Settheparkingbrakebeforeleaving
thedriver’sseat.T oholdyourvehicle
whileitisparked,don’trelyon:
•AirBrakes
•HandControlValveforTrailer
Brakes
•EngineCompression
WARNING!
Usingthetrailerhandbrakeorair
brakestoholdaparkedvehicleis
dangerous.Becausetheyworkwith
airpressure,thesebrakescould
comeloose.Yourvehiclecouldroll,
causinganaccidentinvolvingdeath
orpersonalinjury.Alwayssetthe
parkingbrakes.Neverrelyonthe
trailerhandbrakeortruckairbrakes
toholdaparkedvehicle.
2.Ifyouareparkedonasteepgrade,
blockthewheels.
Suitablewheelchocksareata
minimuman18-inch(46cm)long4x4.
BlockedWheels
3.Drainwaterfromtheairreservoirs.
Whiletheengineandairsupply
systemarestillwarm,drainmoisture
fromtheairreservoirs.Openthe
reservoirdrainsjustenoughtodrain
themoisture.Don’tdepletetheentire
(03/17)Y53-6060-1C14-69
4
STOPPINGTHEENGINE
airsupply.Besuretoclosethedrains
beforeleavingthevehicle.
OpeningDrains
4.Securethevehicle.Closeallthe
windowsandlockallthedoors.
4-70Y53-6060-1C1(03/17)
4
MAINTENANCE
PREVENTIVEMAINTENANCESCHEDULE
Introduction..................5-9
MaintenanceSchedule............5-12
LUBRICANTSPECIFICATIONS
Introduction.................5-38
Engine...................5-38
MasterLubricationIndex............5-41
FullerTransmissionLubrication.........5-45
AllisonTransmissionLubrication........5-47
SpicerTransmissionLubrication........5-47
OilChanges.................5-48
MeritorAxleLubrication............5-49
Eaton/DanaAxleLubrication..........5-50
WheelBearingLubrication...........5-51
UniversalJointLubrication...........5-52
SteeringGearLubrication...........5-52
(03/17)Y53-6060-1C15-1
5
MAINTENANCE
AIRSYSTEM
Introduction.................5-54
AirDryer...................5-57
AirTanks..................5-59
AirGaugesandAirLeaks...........5-60
AirCompressor................5-61
BRAKESYSTEM
BrakeAdjustment...............5-63
CAB
ExteriorMaintenance.............5-71
Cleaning,ProtectingandWeatherStripping...5-72
SafetyRestraintSystem-Inspection......5-75
WindshieldWiper/Washer...........5-79
COOLINGSYSTEM
Coolingsystemmaintenance.........5-80
Engine(Block)Heater.............5-84
5-2Y53-6060-1C1(03/17)
5
MAINTENANCE
ELECTRICAL
ElectricalSystem...............5-85
LightBulbs..................5-86
BulbSpecications..............5-87
Fuses,CircuitBreakersandRelays.......5-87
FuseInspectionandReplacement.......5-90
AddingElectricalOptions...........5-90
Batteries...................5-91
BatteryCare.................5-95
BatteryCharging...............5-95
ElectricalandAlternatorPrecautions......5-98
RemoteKeylessEntry.............5-98
ENGINE
EngineMaintenance.............5-99
EngineLubrication..............5-100
AccessoryDriveBelts.............5-102
EngineFan.................5-103
AirIntakeSystem...............5-104
(03/17)Y53-6060-1C15-3
5
MAINTENANCE
Turbocharger.................5-105
AirCleaners.................5-105
ServiSignal™MiniIndicator..........5-107
ExhaustSystem...............5-107
EngineMounting...............5-107
FUELSYSTEM
LocationofFuelShut-offValves.........5-109
Specication.................5-109
FuelFilters..................5-109
FRAME
Introduction.................5-110
FRONTAXLEANDSUSPENSION
AxleLubrication...............5-114
Inspection..................5-115
WheelAlignment...............5-115
U-BoltTorque................5-116
5-4Y53-6060-1C1(03/17)
5
MAINTENANCE
HEATERANDAIRCONDITIONER
Introduction.................5-118
AirFilters..................5-120
Heater....................5-120
AirConditioner................5-121
NOISEANDEMISSIONCONTROL
NoiseEmissionWarranty...........5-122
InspectionandMaintenanceInstructions.....5-124
NoiseControlSystem-MaintenanceLog....5-129
REARAXLEANDSUSPENSION
GeneralMaintenance.............5-132
VisualInspection...............5-133
RearSuspensionFasteners..........5-134
RearAxleLubrication.............5-135
RearAxleAlignment.............5-137
STEERINGSYSTEM
PowerSteering................5-138
(03/17)Y53-6060-1C15-5
5
MAINTENANCE
FluidLevelandRell.............5-139
SteeringShaft................5-140
DRIVELINE
DriveshaftMaintenance............5-142
U-Joints...................5-142
TIRESANDWHEEL
Tires....................5-143
WheelMountingandFastening.........5-149
WheelReplacementWithDiscBrakeOption...5-151
DiscWheels.................5-153
WHEELBEARING
WheelBearingAdjustment...........5-154
TRANSMISSIONANDCLUTCH
Introduction.................5-155
AllTransmissions...............5-155
ManualTransmissions.............5-156
ClutchSystemIntroduction...........5-156
5-6Y53-6060-1C1(03/17)
5
MAINTENANCE
ClutchAdjustment—NormalWear.......5-157
AutomaticTransmissions...........5-158
(03/17)Y53-6060-1C15-7
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVE
MAINTENANCE
SCHEDULE
Introduction
Preventivemaintenanceprogram
beginswiththedailychecks.See
Driver’sCheckListonpage1-32
fortheseroutinechecks.Routine
vehiclecheckscanhelpavoidmany
large,expensive,andtimeconsuming
repairs.Thevehiclewilloperatebetter,
besafer,andlastlonger.Neglect
ofrecommendedmaintenancecan
voidyourvehicle’swarranty.Some
maintenanceoperationsdemand
skillsandequipmentyoumaynot
have.Forsuchsituations,pleasetake
yourvehicletoanauthorizedService
Center.
WARNING!
Beforeattemptinganyproceduresin
theenginecompartment,stopthe
engineandletitcooldown.Hot
componentscanburnskinoncon-
tact.Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
WARNING!
Iftheenginemustbeoperatingtoin-
spect,bealertandcautiousaround
theengineatalltimes.Failureto
complymayresultindeath,personal
injury,equipmentorpropertydam-
age.
WARNING!
Ifworkhastobedonewiththe
enginerunning,always(1)setthe
parkingbrake,(2)blockthewheels,
and(3)ensurethattheshiftlever
orselectorisinNeutral.Failureto
complymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
WARNING!
Exerciseextremecautiontoprevent
neckties,jewelry,longhair,orloose
clothingfromgettingcaughtinthe
fanbladesoranyothermovingen-
gineparts.Failuretocomplymayre-
sultindeath,personalinjury,equip-
mentorpropertydamage.
(03/17)Y53-6060-1C15-9
5
PREVENTIVEMAINTENANCESCHEDULE
WARNING!
Disconnectthebatterygroundstrap
wheneveryouworkonthefuelsys-
temortheelectricalsystem.When
youworkaroundfuel,donotsmoke
orworknearheatersorotherre
hazards.Keepanapprovedreex-
tinguisherhandy.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
WARNING!
Alwayssupportthevehiclewithap-
propriatesafetystandsifitisneces-
sarytoworkunderneaththevehicle.
Ajackisnotadequateforthispur-
pose.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.
WARNING!
Whenworkingunderneaththevehi-
clewithoutappropriatesafetystands
butwiththewheelsontheground
(notsupported),makesurethat(1)
thevehicleisonhardlevelground,
(2)theparkingbrakeisapplied,(3)
allwheelsareblocked(frontand
rear)and(4)removetheignition
keysothattheenginecannotbe
started.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.
WARNING!
Neverstartorlettheenginerunin
anenclosed,unventilatedarea.Ex-
haustfumesfromtheenginecontain
carbonmonoxide,acolorlessand
odorlessgas.Carbonmonoxidecan
befatalifinhaled.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
Thefollowingpagescontainatable
ofmaintenancetaskswiththerelated
intervalsforeachtaskontheright
sideofthetable.Thetopofthetable
displaysaguidetoamaintenance
intervalanditsschedule.Some
tasksaredependentonthevehicle
application.Thesetaskswillbe
shownasseparatetasksandwillhave
thewords"ONHIGHWAY","CITY
DELIVERY"or"OFF-HIGHWAY"
afterthedescription.Thesetasks
aredifferentiatedbecausetheyare
dependentonthevehicle’soperating
environment.
Onhighwayisdenedforapplications
wherethevehicleisNOTusedoffofa
pavedroadduringnormaloperation.
CityDeliveryisdenedforapplications
wherefrequentstartandstoppingis
requiredduringnormaloperationand
thehighwayisusedinfrequentlyand
forshortperiodsoftime.
5-10Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
Offhighwayisdenedforapplications
wherethevehiclemaybedrivenoff
thepavementonaregularbasis,even
ifitisaninfrequentbasisand/orfora
brieftimeperiod.
Pleasecontactanauthorized
servicedealershipifthereare
questionsregardingwhichinterval
tofollow.Consultthesupplierfor
specicrecommendationswhere
discrepanciesdevelopbetweenthese
recommendationsinthistableand
componentsupplierrecommendations.
•Enginelubricatingoilchange
intervalsaren’tlistedhere.Refer
toyourengine’soperatingmanual
forrecommendations.Forspecic
informationonmaintenance
proceduresconsultyourvehicle
maintenancemanual.
•Theinitialllofdriveaxlelubricant
mustbechangedbeforetheend
oftherstscheduledmaintenance
interval.RefertoOilChangeson
page5-48beforeyouputanew
vehicleintoservice.
•Theinitiallloflubricantin
manualtransmissionsmustbe
changedbeforetheendoftherst
maintenanceinterval.SeeFuller
TransmissionLubricationonpage
5-45forspecicinformation.
•Ifyourvehicleisequippedwithan
automatictransmission,consult
theowner’smanualforitthatcame
withyourvehicletoobtainlubricant
checkandchangeintervals.
(03/17)Y53-6060-1C15-11
5
PREVENTIVEMAINTENANCESCHEDULE
MaintenanceSchedule
NewVehicleMaintenanceSchedule
NewVehicleMaintenanceSchedule
AfterFirstMiles(km)
Operation\Frequency
First
Day
50–100
(80–
160)
500
(800)
2,000
(3218)
3,00
0–5,
000(
4800
–800
0)
SteeringShaftU-Bolts.(OFF-HIGHWAY)SeeSteeringSystemonpage5-138.
X
WheelMounting.SeeWheelMountingandFasteningonpage5-149.
X
FrontAxleU-BoltT orque.SeeFrontSpringSuspensionU-Boltsonpage5-116.
X
ChargeAirCoolerandAirIntakePipeClamps,re-torquefasteners.
X
RearSuspensionFasteners.SeeRearSuspensionFastenersonpage5-134.
X
TransmissionLubrication.
1.ForFullertransmission,seeFullerTransmissionLubricationonpage5-45.
2.ForAllisontransmission,seeAllisonTransmissionLubricationonpage5-47.
3.ForSpicertransmission,seeSpicerTransmissionLubricationonpage5-47.
X
AxleLubrication.
1.ForMeritoraxle,seeMeritorAxleLubricationonpage5-49.
2.ForEaton/Danaaxle,seeEaton/DanaAxleLubricationonpage5-50.
X
5-12Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Checkthekingpinlockandplateforwearandfunction;lubricate
(NLGI#2grease).
X
FifthWheel
Inspectfthwheeloperation(shownonpage5-134)
X
FrameFasteners
Checkfortightness;tightentothespeciedtorquevalueas
required(shownonpage5-112).
X
Crossmembersand
MountingBrackets
Inspectforcracksandloosefasteners.Replaceortightentothe
speciedtorquevalueasrequired(shownonpage5-112).
X
Frame
EngineMounting
Inspectenginemountsevery60,000miles(96,560km)(shownon
page5-107).ContactanauthorizedvehicleOEMdealershipif
enginemountsneedservicing.
X
(03/17)Y53-6060-1C15-13
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
TotalVehicleAlignment
Checkandadjustasrequired.
X
Steeringknucklespindles,
thrustbearings,kingpins,
drawkeys,tierodends,
steeringstops,&bushings
Inspectforwearanddamageandendplay.Shimorreplaceas
required(shownonpage5-138).
X
Kingpinbushings,thrust
bearings,&tierodballends
Lubricatewithapprovedgrease.X
FrontAxle
(Meritor)
DrawkeysTightennutsXX
5-14Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
TotalVehicleAlignment
Checkandadjustasrequired.
X
Kingpinbushings,thrust
bearings,&tierodballends
(ONHIGHWAY)
Lubricatewithapprovedgrease.X
Kingpinbushings,thrust
bearings,&tierodballends
(OFF-HIGHWAY)
Lubricatewithapprovedgrease.X
Steeringknucklespindles,
thrustbearings,kingpins,
drawkeys,tierodends,
steeringstops,&bushings
(ONHIGHWAY)
Inspectforwearanddamageandforendplay.Shimorreplace
asrequired.
X
FrontAxle
(Dana)
Steeringknucklespindles,
thrustbearings,kingpins,
drawkeys,tierodends,
steeringstops,&bushings
(OFF-HIGHWAY)
Inspectforwearanddamageandforendplay.Shimorreplace
asrequired.
X
(03/17)Y53-6060-1C15-15
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
FrontSpringInspectforcrackedleaves,wornbushings,&excessivecorrosion.
X
SpringPins&ShacklesInspectforwornpartsandexcessivejointclearance.Shimor
replaceasrequired.
X
ShockAbsorbersInspectforleaking,bodydamage,anddamagedorwornbushings.
Replaceasrequired.Checktheshockmountingstudtorque.
X
Lubricatewithapprovedgrease.X
SpringPins
Checkforproperfunction.
X
U-bolts(ONHIGHWAY)Checkthegeneralconditionandthetightnessofthenuts.Tighten
thenutstothespeciedtorquevalueasrequired(shownonpage
5-117).
X
Front
Suspension
U-bolts(OFFHIGHWAY)Checkthegeneralconditionandthetightnessofthenuts.Tighten
theU-boltsaftertherstdayortwoofoperation.Thentightenthe
nutstothespeciedtorquevalueasrequired(shownonpage
5-117).
X
5-16Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Visuallyinspectfordamageorleaks.
X
Checkoillevel.Check"cold."Torquethedrainplug.
X
AxleHousing
Drainthelubricantwhilewarm.Flusheachunitwithcleanushing
oil.Changethelubricant.
Seeinformationonpage
5-50
Checkthelubricantlevel.
X
AirShiftUnit
Removethehousingcoveranddrainthelubricant.Washtheparts
thoroughlyanddryinair.
X
Breather
Cleanorreplace.
X
LubePump(ON
HIGHWAY)
Removethemagneticstrainerandinspectforwearparticles.
Washinsolventanddryinair.
X
LubePump(OFF
HIGHWAY)
Removethemagneticstrainerandinspectforwearparticles.
Washinsolventanddryinair.
X
DriveAxle
(Dana)
LubeFilter(ONHIGHWAY)Change.
X
(03/17)Y53-6060-1C15-17
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
LubeFilter(OFF
HIGHWAY)
Change.
X
Magneticdrainplugand
breather(ONHIGHWAY)
Cleanorreplace.
X
DriveAxle
(Dana)
Magneticdrainplugand
breather(OFFHIGHWAY)
Cleanorreplace.
X
5-18Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Checkthe"cold"lllevelatthedifferentialcarrierplugforapinion
angleoflessthan7degrees,orattheaxlebowlplugforapinion
angleofgreaterthan7degrees.Tightentheplugto35-50Lb.
ft.(47-68N.m.)
X
Visuallyinspectfordamageorleaks.
X
AxleHousing
Drainandreplacethelubricant.
Seeinformationonpage
5-48
LubricantlterChangethelter.
X
Breather
Checktheoperation.Ifthecapdoesn’trotatefreely,replace.
X
Inputshaft&pinionshaftCheckandadjusttheendplay.
X
AxleshaftTightentherearaxleangenutstothespeciedtorquevalue.
X
DriveAxle
(Meritor)
InteraxledifferentialChecktheoperation.
X
(03/17)Y53-6060-1C15-19
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
U-bolts
Checkthetorque.Tightentospeciedtorquevalueasrequired
(shownonpage5-135).
X
Frame&crossmember
bolts
Checkthetorque.Tightentospeciedtorquevalueasrequired
(shownonpage5-112).
X
Rear
Suspension
Mountingbracketsand
fasteners
Checktheconditionandthefastenertorque.Tightentothe
speciedtorquevalueasrequired(shownonpage5-112).
X
5-20Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Checkthepushrodtravelandcheckthecontrolarmforcracks.
Adjustatreline(shownonpage5-66).
X
Slackadjusters
Lubricate(NLGI#2grease).
X
BrakecamshaftbearingCheckforexcessivecamshaftpalyintheaxialandradialdirections.
Maxallowableplayis0.003in.Lubricate(NLGI#2grease).
X
Braketreadlevalve
Cleantheareaaroundthetreadle,boot,andmountingplate.
Checkthepivotandmountingplateforintegrity.Checktheplunger
bootforcracks.Lubricaterollerpin,pivotpin,andplunger(NLGI
#2grease).
X
Checkairlinesandttingsforleaks(shownonpage5-54).Adjust
routingasrequiredtopreventchang.Checktankmountingand
condition.
X Brakeairsystem
Cleanorreplacetheinlinelters.
X
DrumBrakes
(All)
BrakeliningInspect;replaceasrequired.X
(03/17)Y53-6060-1C15-21
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
BrakepadsInspect;replaceasrequired.X
Brakedisc/rotorInspectforvisiblecracks,heatchecking,galling,orscoringof
surface.Checkforrunout(maxallowableis0.002in.).
X
CaliperslidingfunctionEnsurecaliperslidesfreelywithnoobstructionsorexcessiveplay.
X
CaliperslidepinsInspectprotectivecapsoftheguidepinsfordamageorcracking.
X
DiscBrakes
(Bendix®)
SystemoperationCheckoperation;inspectaspermanufacturer’sserviceliterature.
X
Brakepadlining
Inspect;replaceasrequired.(minimum3/16in.thickness)
X
Rotor
Inspectforvisiblecracks,heatchecking,galling,orscoringof
surface.
X
ParkBrake
Inspectforwear,cracks,orbreakage.(minimum2.5mm(0.10in))
X
Hydraulic
Brakes
BrakeFluid
Checklevel;changeevery2years.(DOT3brakeuid)
X
Main
transmission
Maintransmission
Checktheoillevel;rellasrequired.Checkevery50,000mi
andrellasrequired.
5-22Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Airintakepiping,mounting,
andchargeaircooler
Checkthesystemforbrokenpipes,leaks,jointintegrity,
cleanliness,andpropersupport(shownonpage5-106).
X AirIntake
Aircleaner
Replacetheengineintakeaircleanerelement(shownonpage
5-104).
Whenrequiredbyair
restrictionindicatoror
requiredbytheengine
manufacturersoperator
manual.
Clutchlinkage
Lubricate.X
Lubricate.X
Clutch
Clutchreleasebearing
Inspectandadjustwhennecessary(noadjustmentrequiredfor
SOLOtypeclutches)
X
(03/17)Y53-6060-1C15-23
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Hoses
Checktheradiatorandheaterhosesforleaks.
X
Checkthefreezepoint(shownonpage5-81).
X
Checkforcontaminationusingteststrips(shownonpage5-80).
X
Replaceblankwaterlterifapplicable.
X
Performlabanalysis(shownonpage5-80).
Iflabanalysisshowscoolantisunsuitableforcontinueduse:
Flush,drain,andrell(shownonpage5-80).
AddELCExtender(shownonpage5-80).
X
ExtendedLifeCoolant
(ELC)
Flush,drain,andrellwithnewcoolant(shownonpage5-80).
X
Fanclutch
Checkforairleaks.(shownonpage5-103).
Checkthefandrivebearings(turnthesheaveinbothdirectionsto
checkforwornhubbearings).
X
Cooling
SolenoidvalveCheckthefandriveforproperengagementanddisengagement.
X
5-24Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Checkinationpressure(shownonpage5-143).
Weekly"cold"using
calibratedgauge
Tires&
Wheels
Tires
Inspectforcuts,irregularwear,missinglugs,sidewalldamage,etc.
X
(03/17)Y53-6060-1C15-25
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Reservoir
Checktheuidlevel(shownonpage5-52).
X
Reservoir
Drain,replacethelter,andrell(shownonpage5-52).
X
Checkthelashofthesectorshaft;adjustasrequired.
X
Greasethetrunnionbearing(EPNLGI#2lithium-based,
moly-lled,HDgrease).
X
Steeringgear
Greasetheinputshaftseal(EPNLGI#2lithium-based,moly-lled,
HDgrease).
X
Powerassistcylinder
Lubricatetheballjoints.Inspectforleakingrodseals,damaged
balljointboots,anddamagetocylinderrodorbarrel.
X
Hosesandtubes
Checkforleaksandchang.
X
SteeringlinkageCheckalljointsforexcessivelash;replaceasrequired(shown
onpage5-138).
X
Power
Steering
Draglinktubeclampand
ballsocket
Checkthetorque;tightentospeciedtorquevalueasrequired.
X
5-26Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Pitmanarmclampboltand
nut
Checkthetorque;tightentospeciedtorquevalueasrequired.
X
SteeringintermediateshaftCheckthetorqueonthepinchboltandnut.
X
Steeringintermediateshaft
U-joints(ONHIGHWAY)
Lubricate[EPNLGI#2HDgrease,+325°Fto-10°F(+163°C
to-23°C)range].
X
Steeringintermediateshaft
U-joints(OFFHIGHWAYor
CITYDELIVERY)
Lubricate[EPNLGI#2HDgrease,+325°Fto-10°F(+163°C
to-23°C)range].
X
Draglinkandtierodarmball
sockets(ONHIGHWAY)
Lubricate(EPNLGI#2lithium-based,moly-lled,HDgrease).
X
Power
Steering
Draglinkandtierodarmball
sockets(OFFHIGHWAYor
CITYDELIVERY)
Lubricate(EPNLGI#2lithium-based,moly-lled,HDgrease).
X
(03/17)Y53-6060-1C15-27
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Fueltanks
Inspecttanks,brackets,hoses,andttingsforcorrectlocation,
tightness,abrasiondamage,andleaks;repairorreplaceas
required.
X
Fueltankbreathers
Checkforproperfunction;cleanthedrainhoses.
X
Fuel&T anks
Fueltankstraps
Checkthestraptightness;tightentopropertorquevalueas
required:
Aluminumtank:30Lb.ft.(41N.m.)
CylindricalSteeltank:8Lb.ft.(11N.m.)
X
5-28Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Lubricate*.
X
ModelsSPL-90,1710
and1810slipmember&
U-joints
Inspect.U-jointinspections
shouldbeperformed
everytimeavehicle
comesinforscheduled
maintenance.**
Lubricate*.
X
Driveshafts
ModelSPL-100slip
member&U-joints
Inspect.U-jointinspections
shouldbeperformed
everytimeavehicle
comesinforscheduled
maintenance.**
(03/17)Y53-6060-1C15-29
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Lubricate*.
X
ModelsSPL-
140/140HD/170/
170HD/250/250HDslip
members&U-joints(ON
HIGHWAY&LINEHAUL)
Inspect.U-jointinspections
shouldbeperformed
everytimeavehicle
comesinforscheduled
maintenance.**
Lubricate*.
X
Driveshafts
ModelsSPL-
140/140HD/170/
170HD/250/250HDslip
members&U-joints(OFF
HIGHWAY)
Inspect.U-jointinspections
shouldbeperformed
everytimeavehicle
comesinforscheduled
maintenance.**
5-30Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Lubricate*.350,000mi(560,000
km)1stintervaland
thenevery100,000mi
(160,00km)afterthat.
ModelsSPL-140XL/170XL/
250XLslipmembersand
U-joints(ONHIGHWAY&
LINEHAUL)
Inspect.U-jointinspections
shouldbeperformed
everytimeavehicle
comesinforscheduled
maintenance.**
Lubricate*.
X
ModelsSPL-140XL/170XL/
250XLslipmembersand
U-joints(OFFHIGHWAY&
CITY)
Inspect.U-jointinspections
shouldbeperformed
everytimeavehicle
comesinforscheduled
maintenance.**
*UseonlySpicerDriveshaftapprovedlubricantswhengreasingSpicerU-joints.
Driveshafts
**RefertoSpicerDriveshaftservicemanualDSSM-0100(3264-SPL)fordetailedinstructions.
(03/17)Y53-6060-1C15-31
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Batterycables
Checktheconditionofthecables,cushionclamps,nylontie
straps,androuting.Replaceacushionclampiftherubberhas
deteriorated.Repairortightenterminals,andsecurecables
topreventchang.Replacedamagedcables(cuts,cracks,or
excessivewear)(shownonpage5-85).
X
Batteries(ONHIGHWAY&
LINEHAUL)
Checkforcracksanddamage,electrolytelevel,conditionof
terminals,andtightnessofholddowns(shownonpage5-85).
X
Batteries(OFF-HIGHWAY)Checkforcracksanddamage,electrolytelevel,conditionof
terminals,andtightnessofholddowns(shownonpage5-85).
X
Batteryboxandtray(ON
HIGHWAY&LINEHAUL)
Checktheboxintegrity.Cleanthedraintubeandcheckforacid
leaks.Checkconditionofallequipmentmountedunderthebox.
X
Batteryboxandtray
(OFF-HIGHWAY)
Checktheboxintegrity.Cleanthedraintubeandcheckforacid
leaks.Checkconditionofallequipmentmountedunderthebox.
X
Battery
Boxes,T ool
Boxes,and
Steps
BatteryCableFastenersCheckbatterycablefastenersandtightenasnecessaryto10-15
Lb.ft.(13.6-20.3N.m.)asspeciedonthebatterylabel.
X
5-32Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Headlamps
Checktheaimandadjustasrequired.
X
Warninglightsinlightbar
Checkattheignitionstartpositiontoverifybulbsanddriver
informationdisplayfunction(shownonpage3-11).
X
Turn,Stop,Reverselights
andsignals
Visualcheck.X
Checkoperationandoutput.
X
Checktightnessofthepulleynut.
X
Checkthetensionofthedrivebelt(shownonpage5-102).
X
Alternator
Checktightnessoftheterminalhexnuts.
X
StarterChecktorqueonhexnuts.
X
ECMconnectorCheckthetightnessoftheECMconnector.
X
Electrical&
lights
Wheelsensors
Checkfordamagedsensorsandconnectors,andwornorfrayed
wires.
X
(03/17)Y53-6060-1C15-33
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
Fuelanddieselexhaust
uidtanksendingunit
Checkthemountingscrewsandelectricalconnectionsforwornor
damagedwiresandconnectors.
X
Checkforwornordamagedinsulation,corrodedterminals,frayed
wires,andoiloruidleaksontheconnectorsorwiring.
X
Electrical&
lights
Powersupplyharnesses
(engine,transmission,etc.)
Washtoremoveexcessgrease.X
Hood
Lubricatethelowerhoodpivot(onlyiflubettingsarepresent).
X
HingesandlatchLubricatewithsiliconespray.X
Cab
structure,
doors&
hoods
Body&cabholddownboltsChecktheconditionandtightness.
X
Performthecheckslistedshownonpage5-118.
X
Heater&airconditioner
Fulloperationalanddiagnosticcheck.X
Heating&Air
Conditioning
CondenserClearanydebrisfromthefrontofthecondenser.
X
5-34Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
SystemCheckforleaksandpropersupport(shownonpage5-122).
X
DieselparticulatelterCleanlter.RefertotheEngine
MaintenanceManual.
DieselexhaustuidtankInspectthetank,straps,brackets,hosesandttingsforabrasion
damage,leaks,tightnessandfullyengagedconnectors.
X
Aftertreat-
mentSystem
Dieselexhaustuidsupply
module
Replacelter.RefertotheEngine
MaintenanceManual.
(03/17)Y53-6060-1C15-35
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
AircompressorgovernorReplaceairstrainer.X
Airlines
Checkconditionandroutingtopreventchang.
X
SystemLubricate(shownonpage5-54).
X
Inlinelters
Replaceelementsorcleanwithsolvent.X
Airdryer
Performthecheckslisted(shownonpage5-54).
X
Airdryer(ONHIGHWAY)Overhaul.360,000miles/576,000
km
Air
Airdryer(OFFHIGHWAY)Overhaul.
X
5-36Y53-6060-1C1(03/17)
5
PREVENTIVEMAINTENANCESCHEDULE
PREVENTIVEMAINTENANCE(PM)INTERVALS
RecommendedPM
Interval
SYSTEMCOMPONENTMAINTENANCETASK
IAB
C
EngineBasicEngine
Maintenanceandserviceintervalrecommendationsaredetailedintheenginemanufacturer’s
OperationsandMaintenanceManualincludedwiththevehicle.Theenginemanufacturer’s
recommendationsvarydependingenginemodel.Informationisalsoavailablefromauthorized
dealers,theenginemanufacturer’sauthorizedservicecenters,andtheenginemanufacturer’s
website.
SafetyThree-pointSafetyBelt
System
Inspect.
20,000miles/32,000km
Ifthevehicleisexposed
tosevereenvironmental
orworkingconditions,
morefrequent
inspectionsmaybe
necessary.
(03/17)Y53-6060-1C15-37
5
LUBRICANTSPECIFICATIONS
LUBRICANT
SPECIFICATIONS
Introduction
WARNING!
Handlelubricantscarefully.Vehi-
clelubricants(oilandgrease)can
bepoisonousandcausedeath,per-
sonalinjuryorsickness.Theycan
alsodamagethepaintonthevehi-
cle.
Inthissectionyouwillndthebasic
informationyouneedtodotheroutine
lubricationyourvehiclerequires.Of
courseyouwillwanttoschedule
servicemorefrequentlyifyouare
operatingundersevereconditions
suchasextremeheatorcold,with
veryheavyloads,off-road,etc.For
anyspecialservicerequirements,
consultyourservicemanualsandyour
lubricantsupplier.Pleaseremember:
onekeytokeepingyourtruckrunning
attopeconomyandinprolonging
itslifeisproperlubricationservicing.
Neglectingthisessentialaspectof
vehiclecarecancosttimeandmoney
inthelongrun.
CAUTION
Donotmixdifferenttypesoflubri-
cants.Mixinglubricants(oiland
grease)ofdifferentbrandsortypes
coulddamagevehiclecomponents;
therefore,drain(orremove)oldlu-
bricantsfromtheunitbeforerelling
it.
Engine
Properenginelubricationdepends
ontheoutsidetemperatureswhere
youwillbedriving.Usetheoil
recommendedfortheconditionsyou
aremostlikelytobeoperatingin.You
willndacompleteenginelubrication
serviceguideintheEngineOperation
Manualthatcamewithyourvehicle.
Theengineoperatormanualcontains
specicmaintenancetasksthatyouor
aqualiedservicetechnicianneedto
performtomaintaintheengine.
5-38Y53-6060-1C1(03/17)
5
LUBRICANTSPECIFICATIONS
WARNING!
Exhaustfumesfromtheengine
containcarbonmonoxide,acolor-
lessandodorlessgas.Apoorly
maintained,damaged,orcorroded
exhaustsystemcanallowcar-
bonmonoxidetoenterthecabor
sleeper.Failuretoproperlymain-
tainyourvehiclecouldcausecar-
bonmonoxidetoenterthecaband
causedeath,personalinjuryorseri-
ousillness.
WARNING!
Neveridleyourvehicleforprolonged
periodsoftimeifyousensethatex-
haustfumesareenteringthecab.
Investigatethecauseofthefumes
andcorrectitassoonaspossible.
Ifthevehiclemustbedrivenunder
theseconditions,driveonlywiththe
windowsslightlyopen.Failuretore-
pairthesourceoftheexhaustfumes
mayleadtodeath,personalinjuryor
seriousillness.
NOTE
Keeptheengineexhaustsystem
andthevehicle’scabventilation
systemproperlymaintained.Itis
recommendedthatthevehicle’sex-
haustsystemandcabbeinspected:
•Byacompetenttechnicianevery
15,000miles/24,000km
•Wheneverachangeisnoticedin
thesoundoftheexhaustsystem
•Whenevertheexhaustsystem,
underbody,caborsleeperis
damaged
NOTE
Useonlyanexactreplacementparts
inAftertreatmentexhaustsystem.
Usinganoncompliantreplacement
partcouldviolateemissionsrequire-
mentsandalsovoidtheemission
system’swarranty.
(03/17)Y53-6060-1C15-39
5
LUBRICANTSPECIFICATIONS
PipeandHoseClamps
Usethefollowingtablefortorque
specicationstocheckpipeandhose
clamps.
PipeandHoseClampTorqueValues
TORQUEAPPLICATIONAPPROVEDCLAMP
NmLb-In
Radiator&HeatExchangerHosesConstant-TorqueCT-L
10.2-12.590-110
HeaterHoses
ConstantT ension
notrequirednotrequired
AirIntakePipesHi-TorqueHTM-L11.3-14.2100-125
PlasticAirIntakePipes
Constant-T orqueCT-L
4.5
40(maximum)
FlexSeal667
7.9-11.370-100
ChargeAirIntakeHoses
B92966-750-60
Fuel,Oil&WaterHeatExchangers
(forhoseslessthan9/16diameter)
Miniature3600L1.1-1.710-15
5-40Y53-6060-1C1(03/17)
5
LUBRICANTSPECIFICATIONS
MasterLubricationIndex
LubricantSymbolKey
ATF
MD3orMERCON®-approvedautomatictransmissionuid
BB
Hightemperatureballbearinggrease.ChevronSRIMobileGreaseHP ,T exacoMultifax2orequivalent
CBEngineoilformildtomoderaterequirements
CC/CDEngineoilforsevererequirements(MIL-L-2104B/MIL-L-45199Bw/1.85%max.sulfatedashcontent)
CD
EngineoilmeetingAPI"Fiveenginetestsequence"
CD50SAE50Wsynthetictransmissionuid
CEEngineoilmeetingseveredutyservicerequirementsfordirect-injectionturbochargedengines
CJ-4EngineoilforPACCARMXandCumminsEGRengines
CL
Multipurposechassisgrease
EP
ExtremePressureLubricant(Lithium12-hydroxystearatebaseNGLI2)
GLStraightmineralgearlubricant
HD
HypoidGearOil,A.P .I.-GL-5,SAE75W-90FEsyntheticgearlubricant
HT
HighTemperaturegrease(TimkenSpec.0-616)
MP
Multipurposegearlubricant(MIL-L-2105B)
DOT3orDOT4
BrakeFluid
(03/17)Y53-6060-1C15-41
5
LUBRICANTSPECIFICATIONS
NOTE
Theresponsibilityformeetingthese
specications,thequalityofthe
product,anditsperformanceinser-
vicerestswiththelubricantsupplier.
Foroilreservoirwithsidellerplugs
(transmission,axles,steeringgear
boxes,transfercases,etc.)theoil
mustbelevelwiththelleropening.
1ImproperOilLevel
2ProperOilLevel
Usecarewhencheckingtheoillevel
withanger.Justbecauseyoucan
reachtheoillevelwithanger,does
notmeantheoilleveliscorrect.
5-42Y53-6060-1C1(03/17)
5
LUBRICANTSPECIFICATIONS
ComponentLubricationIndex
UniversalJoints
EP*
DriveShaftSplinesCL*
SteeringColumnCL
AlternatorBearing
BB*
FanHub
BB*
PowerSteeringReservoir
ATF
SteeringDragLinkCL
SteeringKnucklesCL
SpringPinsCL
ClutchReleaseBearings
BB
BrakeShoeAnchorPins
HT
BrakeCamBearings
HT
SlackAdjustersCL
StarterBearingsCC
TurbochargerAneroid
CC
WaterPump
BB*
SuspensionFittings(otherthanthreadedpins&bushings)
EP
SteeringAxle:GreaseFittingsonSteeringArm;TieRodEnds;Drag
Link;KingPins
EP
SteeringShaftGreaseFittings
EP
(03/17)Y53-6060-1C15-43
5
LUBRICANTSPECIFICATIONS
ComponentLubricationIndex
BrakeTreadleHingeandRollerEngineoil
LockCylinders
Locklubricant
DoorHinges
Notrequired-Teonbushings
DoorLatches&StrikerPlates
Polyethylenegreasestick
DoorWeatherstrip
Siliconelubricant
Hub-pilotedAluminumWheels
CoatthewheelpilotorhubpadswithFreylube#3lubricant(light
colored)orChevronZinclube.Donotgetlubricantonthefaceof
thewheelorthehub.
*Consultmanufacturerorlubricantsupplierforspecialdetails.
5-44Y53-6060-1C1(03/17)
5
LUBRICANTSPECIFICATIONS
FullerTransmission
Lubrication
Fullertransmissionsaredesignedso
thattheinternalpartsoperateina
bathofoilcirculatedbythemotionof
gearsandshafts.Greyironpartshave
built-inchannelswhereneededto
helplubricatebearingsandshafts.All
partswillbeamplylubricatedifthese
proceduresarecloselyfollowed:
1.Maintainoillevel;checkit
regularly.
2.Changeoilregularly.
3.Usethecorrectgradeandtypeof
oil.
4.Buyoilfromareputabledealer.
LubricationChangeandInspection
Off-HighwayUse
RefertotheEatonFullertransmission
manualforservicinginformation.
HighwayUse
•RefertotheEatonFuller
transmissionmanualforservicing
information.
•Refertotheoilchangevs.
temperaturechartthatfollowsfor
specialoilchangeinformation.The
"intermittentpeaktemperature"
isthemaximumtemperature
observedforashorttimeina
fullyloadedvehicleperforming
normally.
CAUTION
Exceedingtherecommendedoil
changeintervalsmaybeharmfulto
thelifeofthetransmissionandthe
transmissionoilcooler.
(03/17)Y53-6060-1C15-45
5
LUBRICANTSPECIFICATIONS
RecommendedLubricants
Type
Grade(SAE)
AmbientTemperature
50
Above10°F(-12°C)
40
Above10°F(-12°C)
HeavyDutyEngineOilMIL-L-2104B,C,orD;
API-SF,orAPI-CD
30
Below10°F(-12°C)
90
Above10°F(-12°C)
Mineralgearoilwithrustandoxidation
inhibitorAPI-GL-1
80W
Below10°F(-12°C)
SyntheticLubricant*
50All
*Seeyourdealerforapprovedbrands.
5-46Y53-6060-1C1(03/17)
5
LUBRICANTSPECIFICATIONS
AllisonTransmission
Lubrication
LubricationChangeandInspection
•Refertoyourtransmission
manual(furnishedseparately)for
lubricationinformation.
•RefertotheAllisonTransmission
manualforservicinginformation.
SpicerTransmission
Lubrication
Itisextremelyimportanttousethe
properlubricantsandmaintainthe
correctoillevelsinSpicerunits.This
willensureproperlubricationand
operatingtemperaturesintheseunits.
RecommendedLubricants
Thelubricantslistedbeloware
recommended,inorderofpreference,
foruseinallSpicermechanical
transmissions,auxiliaries,and
transfercases.Donotuseextreme
pressureadditivessuchasthose
foundinmultipurposeorrearaxle-type
lubricants.Theseadditivesarenot
requiredinSpicertransmissions,
andmayinsomecasescreate
transmissionproblems.Multipurpose
oils,asagroup,haverelativelypoor
oxidationstability,ahighrateofsludge
formation,andagreatertendencyto
reactwithorcorrodethesteeland
bronzeparts.
Type
Grade(SAE)
AmbientTemperature
30,40,or50
Above0°F(-18°C) HeavyDutyEngineOilMIL-L-2104D
orMIL-L-46152B,API-SForAPI-CD
(MIL-L-2104BorCorMIL-L-46152
designationsareacceptable)
30
Below0°F(-18°C)
90
Above0°F(-18°C)
Mineralgearoil(R&Otype)API-GL-1
80
Below0°F(-18°C)
(03/17)Y53-6060-1C15-47
5
LUBRICANTSPECIFICATIONS
Type
Grade(SAE)
AmbientTemperature
SyntheticEngineOilmeetingMIL-L-2104Dor
MIL-L-46152B,API-SForAPI-CD
CD50
CD30
All
*SyntheticGearOilMeetingMIL-2105Cor
API-GL5
EP75W90
EP75W140
All
*EPGearOilsarenotrecommendedwhenlubricantoperatingtemperaturesareabove230°F(110°C).
OilChanges
CAUTION
Whenaddingoil,typesandbrands
ofoilshouldnotbeintermixedbe-
causeofpossibleincompatibility,
whichcoulddecreasetheeffec-
tivenessofthelubricationorcause
componentfailure.
Aninitialoilchangeandushshould
beperformedafterthetransmission
hasbeenplacedinactualservice.
Thischangeshouldbemadeanytime
after3000miles(4800km)butnever
longerthan5000miles(8000km)of
over-the-roadservice.Inoff-highway
use,thechangeshouldbemadeafter
24hoursbutbefore100hoursof
servicehaveelapsed.
Relling
Removealldirtaroundllerplug.Rell
withnewoilofthegraderecommended
fortheexistingseasonandprevailing
service.Filltothebottomofthe
leveltestingplugpositionedonthe
sideofthetransmission.Donot
overllthetransmission.Overlling
usuallyresultsinoilbreakdowndue
toexcessiveheatandaerationfrom
thechurningactionofthegears.Early
breakdownoftheoilwillresultinheavy
varnishandsludgedepositsthatplug
upoilportsandbuilduponthesplines
andbearings.Overowofoilcanalso
escapeontoclutchorparkingbrakes.
Whenaddingoil,donotmixdifferent
typesofoil.
5-48Y53-6060-1C1(03/17)
5
LUBRICANTSPECIFICATIONS
MeritorAxleLubrication
NOTE
Axlesutilizedin100%off-highway
usearenoteligibleforMeritor’sAd-
vancedLubeRearDriveAxlepro-
gram.
UnderMeritor’sAdvancedLubeRear
DriveAxleprogram,theaxleslisted
belowareexemptfromaninitial
lubricantchange:
AVAILABLEADVANCEDLUBEAXLES
RS-17-145RS-23-180
RT-40-145RT-44-145P
RS-19-145RS-26-180
RT-40-145PRT-46-160
RS-21-145RS-30-180SQ-100A
RT-46-160P
RS-23-160
RT-34-145
SQ-100AP
RT-52-160
RS-23-161
RT-34-145PRT-44-145RT-52-160P
Meritorrearaxlesthatdonotappear
onthelistabovewillcontinueto
requireaninitialdrainat3000-5000
miles(4800-8000km).
•RefertotheMeritorField
MaintenanceManualfora
particularaxleforlubricant
specications.
•Seeyourdealerfor
Meritor-approvedlubricant
brands.
•Refertothefollowingchartfor
lubricantchangeintervals:
(03/17)Y53-6060-1C15-49
5
LUBRICANTSPECIFICATIONS
Application
TypeOfLubricant
MileageInterval
Synthetic240,000mi.(384,000km)
SyntheticwithPumpandFilter500,000mi.(800,000km)
OnHighway
MineralBase
120,000mi.(192,000km)
Synthetic120,000mi.(192,000km)
SyntheticwithPumpandFilter240,000mi.(384,000km)
CityDelivery
MineralBase
120,000mi.(192,000km)
Synthetic120,000mi.(192,000km)
SyntheticwithPumpandFilter120,000mi.(192,000km)
OffHighway
MineralBase
120,000mi.(192,000km)
•Changethelubricantlterevery
120,000miles(192,000km).T op
offthelubricantlevelwithasimilar
lubricant.
Eaton/DanaAxleLubrication
•Theoriginalmineral-based
lubricantmustbedrainedwithin
3000-5000miles(4800-8000
km)onallEatonaxles.This
initialchangeisveryimportant
becauseitushesoutbreak-in
contaminantsthatmightotherwise
causeprematurewear.
•Noinitialdrainisrequiredon
Eatonaxlesthatarefactorylled
withanEaton-approvedsynthetic
lubricant.
•Mineral-basedlubesmustbe
drainedwithintherst5000miles
(8000km)ifconvertingtoan
Eaton-approvedsyntheticlube.
•Changethelubricantwithinthe
rst5000miles(8000km)of
operationafteracarrierhead
replacement,regardlessofthe
lubricanttype.
5-50Y53-6060-1C1(03/17)
5
LUBRICANTSPECIFICATIONS
•RefertotheEatonField
MaintenanceManualfora
particularaxleforlubricant
specications.
•Seeyourdealerfor
Eaton-approvedlubricantbrands.
•Refertothechartbelowfor
lubricantchangeinterval.
TypeofLubricantOn-HighwayMi.(km)MaximumChange
Interval
On/OffHighwaySevere
ServiceMi.(km)
MaximumChange
Interval
Mineral-Based
120,000(192,000)
Yearly
60,000(96,000)
Yearly
Eaton-Approved
Synthetic
240,000(384,000)
2Years
120,000(192,000)
Yearly
Eaton-Approved
Syntheticinaxlewith
extendeddraininterval
option
350,000(560,000)
WheelBearingLubrication
Oil-lubricatedDrivenHubs
Usehypoidoil,A.P .I.-GL-5SAE
75W-90FEsyntheticgearlubricant
orequivalent.Aminimumof1quart
(921ml)ofoilisrequiredforproper
lubricationofeachdrivehub.Addoil
throughthellerholeinthehub;if
none,addoilthroughthedifferential
llerhole.(Note:Remembertoreplace
ventplugorthreadedllerplugwhen
done.)Allowtimefortheoiltoseep
throughthebearingswheninitially
llingahub.Maintainthedifferential
oillevelbyaddingoiluntilitssurfaceis
evenwiththebottomofthellerhole
(seeillustrationonpage5-42).
Oil-lubricatedNondrivenHubs
UseCD50synthetictransmissionuid
SAE50Worequivalent.Aminimumof
9oz.(270ml)oflubricantisrequired
forproperlubricationofanLMS™hub;
10-13oz.(295-400ml)isrequiredfor
anon-LMShub,dependingonwheel
design.Allowtimefortheuidtoseep
throughthebearingswheninitially
llingahub.Whenproperlylled,the
(03/17)Y53-6060-1C15-51
5
LUBRICANTSPECIFICATIONS
uidlevelwillliebetweentheuidlevel
lineand1/4"abovetheline.
NOTE
Remembertoreplaceventplug
whendone.
UniversalJointLubrication
RefertotheSpicerUniversalJoints
andDriveshaftsservicemanualand
lubricationspecications.
SteeringGearLubrication
FluidRell
Thefollowingrecommendationsare
forgeneralpurposesteeringsystems
(bothTRWandSheppard).
•Fornormaltemperatures,use
AutomaticTransmissionFluid
(ATF)TypeEorForDexron®III.
•Forcoldtemperaturesof-22ºF
(-30ºC)andaboveuseATFType
A.
•Forextremelycoldtemperatures
between-22ºF(-30ºC)and-40º
F(-40ºC)useATFTypeB.
5-52Y53-6060-1C1(03/17)
5
LUBRICANTSPECIFICATIONS
Inspection
NOTE
Beforeremovingreservoircover,
wipeoutsideofcoversothatnodirt
canfallintothereservoir.
1.Checktheuidlevel;adduidif
required.
2.Checkuidforcontamination,
discoloration,orburntsmell;
correctsourceofsuchproblems
beforereplacinguid&lter.
CAUTION
Whenaddinguid,besuretouse
uidofthesametype.Whilemany
uidshavethesamedescriptionand
intendedpurpose,theyshouldnot
bemixedduetoincompatiblead-
ditives.Mixingincompatibleuids
mayleadtoequipmentdamage.
Ifincompatible(insoluble)uidsare
mixedinapowersteeringsystem,
airbubblescanbeproducedatthe
interfaceofthetwouids.Thiscan
causecavitation,whichreducesthe
lubricationbetweenmovingpartsin
thegear.Thiscouldresultinworn
components.
Themixtureoftwodifferentuids,
althoughharmlesstoindividual
internalcomponents,mayinitiatea
chemicalreactionthatproducesanew
compoundthatwillattacksealsand
otherinternalcomponents.
Donotmixdifferentuids.
(03/17)Y53-6060-1C15-53
5
AIRSYSTEM
AIRSYSTEM
Introduction
WARNING!
Donotattempttomodify,alter,repair
ordisconnectanycomponentofthe
airsystem.Repairsormodications
totheairsystem,otherthanwhat
isdescribedinthissection,should
onlybeperformedbyanauthorized
dealer.Failuretocomplymayresult
indeathorpersonalinjury.
WARNING!
Priortotheremovalofanyairsys-
temcomponent,alwaysblockand
holdthevehiclebyasecuremeans
otherthanthevehicle'sownbrakes.
Depletingairsystempressuremay
causethevehicletorollunexpect-
edlyresultinginanaccidentcausing
deathorpersonalinjuries.Keep
handsawayfromchamberpush
rodsandslackadjusters,theymay
applyassystempressuredrops.
WARNING!
Aftercompletinganyrepairstothe
airsystem,alwaystestforairleaks,
andcheckthebrakesforsafeopera-
tionbeforeputtingthevehicleinser-
vice.Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
WARNING!
Neverconnectordisconnectahose
orlinecontainingairpressure.It
maywhipasairescapes.Neverre-
moveacomponentorpipeplugun-
lessyouarecertainallsystempres-
surehasbeendepleted.Failureto
complymayresultindeath,personal
injury,equipmentorpropertydam-
age.
WARNING!
Neverexceedrecommendedair
pressureandalwayswearsafety
glasseswhenworkingwithairpres-
sure.Neverlookintoairjetsordirect
thematanyone.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
5-54Y53-6060-1C1(03/17)
5
AIRSYSTEM
WARNING!
Neverattempttodisassemblea
componentuntilyouhavereadand
understoodrecommendedproce-
dures.Somecomponentscontain
powerfulspringsandinjurycanre-
sultifnotproperlydisassembled.
Useonlypropertoolsandobserve
allprecautionspertainingtouse
ofthosetools.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
WARNING!
CompletelybypassingaBendix®
AD-ISairdryerwillbypassthesys-
tem’spressureprotectionvalves.
Thiscouldleadtolossofairpres-
sureordamagetothevehicle’s
airsystem,whichcouldcausean
accidentinvolvingdeathorper-
sonalinjury.Alwaysadheretothe
manufacturer’sprocedureifitis
necessaryinanemergencytotem-
porarilybypassanAD-IS-seriesair
dryer.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.
Theoperationofthevehicle’sbraking
systemandmanyvehicleaccessories
dependsuponthestorageand
applicationofahigh-pressureair
supply.
Yourvehicle’scompressortakes
outsideairandcompressesit,usually
to100-120psi(689-827kPa).The
compressedairthengoestothe
reservoirstobestoreduntilneeded.
Whenyouoperateyourairbrakes,the
storedcompressedairowsintothe
chamberswhereitisusedtoapply
yourtruckandtrailerbrakes.Thatis
why,whenyoupushdownonyour
brakepedal,youdon’tfeelthesame
amountofpressureonthepedalthat
youdowhenyouapplythebrakeson
yourcar.Allyouaredoingonyour
truckisopeninganairvalvetoallow
airtoowintothebrakechambers.
Contaminationoftheairsupplysystem
isthemajorcauseofproblemsin
air-operatedcomponentssuchas
brakevalves,andsuspensionheight
controlvalves.Tokeepcontaminants
tothelowestpossiblelevel,follow
thesemaintenanceprocedures.
(03/17)Y53-6060-1C15-55
5
AIRSYSTEM
WARNING!
Ifthesupplyandservicetanksare
notdrainedattherecommended
frequency,watercouldenterthe
airlinesandvalves.Thiscould
causecorrosionorblockage,which
couldcompromisethebrakesystem
safetyandpotentiallycauseanac-
cidentinvolvingdeathorpersonal
injury.
Daily
•Drainmoisturefromthesupply
andserviceairtanks.
•Operateairdevicestocirculate
lubricantswithintheunit.
Periodically
•Cleanlterscreensaheadofthe
valvesbyremovingthescreens
andsoakingtheminsolvent.Blow
themdrywithpressurizedair
beforereinstallingthem.
5-56Y53-6060-1C1(03/17)
5
AIRSYSTEM
TwiceaYear
•Maintaintheaircompressorto
preventexcessiveoilbypass.
Seeyourmaintenancemanualfor
details.
•Replacewornsealsinvalvesand
airmotorsastheyareneeded.
AirDryer
Thefunctionoftheairdryeristocollect
andremoveairsystemcontaminantsin
solid,liquidandvaporformbeforethey
enterthebrakesystem.Itprovides
clean,dryairtothecomponentsof
thebrakesystem,whichincreases
thelifeofthesystemandreduces
maintenancecosts.
NOTE
Becausenotwovehiclesoperate
underidenticalconditions,mainte-
nanceandmaintenanceintervals
willvary.Experienceisavaluable
guideindeterminingthebestmain-
tenanceintervalforanyonepartic-
ularoperation.
Every900operatinghoursor25,000
miles(40,200km)oreverythree(3)
monthscheckformoistureintheair
brakesystembyopeningairtanks,
draincocks,orvalvesandcheckingfor
presenceofwater.
NOTE
Asmallamountofoilinthesystem
maybenormalandshouldnot,init-
self,beconsideredareasontore-
placethedesiccantcartridge.Oil
staineddesiccantcanfunctionade-
quately.
Atablespoonofwaterfoundinthe
airtankwouldpointtotheneedfora
desiccantcartridgechange.However,
thefollowingconditionscanalso
causewateraccumulationandshould
beconsideredbeforereplacingthe
desiccantcartridge.
•Airusageisexceptionallyhigh
andnotnormalforahighway
vehicle.Thismaybedueto
accessoryairdemandsorsome
unusualairrequirementthat
doesnotallowthecompressor
toloadandunload(compressing
(03/17)Y53-6060-1C15-57
5
AIRSYSTEM
andnon-compressingcycle)ina
normalfashionoritmaybedueto
excessiveleaksintheairsystem.
•Inareaswheremorethana30°
F(17°C)rangeoftemperature
occursinoneday,smallamounts
ofwatercanaccumulatein
theairbrakesystemdueto
condensation.Underthese
conditions,thepresenceofsmall
amountsofmoistureisnormal
andshouldnotbeconsideredas
anindicationthatthedryerisnot
performingproperly.
•Anoutsideairsourcehasbeen
usedtochargetheairsystem.
Thisairdidnotpassthroughthe
dryingbed.
Overhaul
Maintenanceintervalstypicalfor
on-highwayoperationwouldbe2-3
years,350,000milesor10,800hours.
Maintenanceintervalstypicalforhigh
dutycycleusagesuchastransitbus,
refusehauler,dumptruck,cement
mixersandoff-highwayoperation
wouldbe1year,100,000milesor
3,600hours.
NOTE
Reviewthewarrantypolicybefore
performinganymaintenanceproce-
dures.Anextendedwarrantymay
bevoidedifunauthorizedmainte-
nanceisperformedduringthispe-
riod.
Bendix®AD-ISSeriesAirDryer
Yourvehiclemaybeequippedwitha
Bendix®AD-ISseriesairdryer.Any
airdryerreplacementshouldbemade
withanidenticalcomponent.
WARNING!
Ifadifferentairdryerbrandormodel
isinstalledonthevehicleotherthan
whatwasoriginallyinstalled,itcould
causetheairsystemtonotperform
correctlyunlessthefullairsystem
designisreviewedandmodica-
tionsmadetocomplywithFederal
MotorVehicleSafetyStandards
(FMVSS)121-AirBrakeSystems.
Failuretoabidebythiswarningand
maintaincompliancetoFMVSS121
couldcauselossofvehiclecontrol
andmayleadtodeathorserious
personalinjury.
TheAD-ISSeriesairdryerhas
incorporatedintoitsdesignvarious
5-58Y53-6060-1C1(03/17)
5
AIRSYSTEM
componentsthathavetypicallybeen
installedseparatelyonthevehicle(see
belowforcomponents/areasaffected).
•Pressureprotectionvalves
•Safetyvalve
•Governorandplumbing
•Plumbingofthefrontandrear
serviceairtanks
•Plumbingtoaccessorysystems
Thesecomponentsarerequiredto
meettheFederalMotorVehicleSafety
Standards(FMVSS121-AirBrake
Systems).AstheWarningabove
states,anyothertypeofairdryer
installedintheplaceofanAD-ISSeries
willrequirechanges,modications
and/oradditionstoyourvehicle’sair
systemtomaintaincompliancewith
FMVSS121.
AirTanks
Toejectmoisturefromtheairsystem
tanks,pullthelinethatisconnectedto
themoistureejectionvalve.Continue
pullinguntiltheaircomesoutfreeof
water.
Daily:Thesupplyandserviceair
tanks,mustbedrainedonadaily
basis.Operateairdevicesdailyto
circulatelubricantswithintheunit.
Periodically:Cleanlterscreens
aheadofthevalvesbyremovingthe
screensandsoakingtheminsolvent.
Blowthemdrywithpressurizedair
beforereinstallingthem.
WARNING!
Ifthesupplyandserviceairtanks
arenotdrainedattherecommended
frequency,watercouldenterthe
airlinesandvalves.Thiscould
causecorrosionorblockage,which
couldcompromisethebrakesystem
safetyandpotentiallycauseanac-
cident.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.
CAUTION
Donotusepenetratingoil,brake
uid,orwax-basedoilsintheairsys-
tem.Theseuidsmaycausesevere
damagetoairsystemcomponents.
•Maintaintheaircompressorto
preventexcessiveoilbypass.
•Replacewornsealsinvalvesand
airmotorsastheyareneeded.
(03/17)Y53-6060-1C15-59
5
AIRSYSTEM
Yourauthorizeddealercarries
rebuildkitsformostunits.
AirGaugesandAirLeaks
Yourvehiclecomeswithairpressure
gaugesfortwoseparatesystems,
PrimaryandSecondary:thePrimary
gaugeindicatespressureintherear
brakingsystem;theSecondarygauge
indicatespressureinthefrontbraking
system.Eachgaugeindicatesthe
amountofairpressureinpoundsper
squareinch(psi).
WARNING!
Donotoperatethevehicleifleak-
ageintheairsystemisdetected.
Conductthefollowingprocedure
andcontactanauthorizeddealer(or
anyotherproperlyequippedservice
center)ifaleakisdetected.Failure
tocheckthebrakesorfollowthese
procedurescouldcauseasystem
failure,increasingtheriskofan
accidentandmayresultindeath,
personalinjury,equipmentorprop-
ertydamage.
Ifthelightandalarmdonotturnoffat
start-up,donottrytodrivethevehicle
untiltheproblemisfoundandxed.If
thepressureineitherorbothsystems
istoolowfornormalbrakeoperation,
i.e.,thepointerofonegaugefalls
below65psi(448kPa),awarninglight
onthegaugewillglowandtheaudible
alarmwillsound.
NOTE
Parkbrakeslockupat60psi(414
kPa),theaudiblealarmwillsoundat
65psi(448kPa).
PrimaryAirPressureGauge
5-60Y53-6060-1C1(03/17)
5
AIRSYSTEM
SecondaryAirPressureGauge
Followtheprocedurebelowto
checkthecompressedairsystem
forleaks:
1.Periodically,oraftermaintenance
orreplacementofairsystem
components:
2.Buildupairpressureinthesystem
tothegovernorcutoutpointoruntil
120psi(827kPa)isreached.
3.Stoptheengineandreleasethe
servicebrakes.
4.Withoutapplyingthebrakepedal,
observetherateofairpressure
drop.Thisrateshouldnotexceed
2.0psi(14kPa)perminute.
5.Starttheengineandbuildupthe
airpressureagain.
6.Stoptheengine,andapplythe
brakesfully.Applythebrakepedal
andholditdownforveminutes.
Thepressuredropshouldnot
exceed3.0psi(21kPa)per
minute.
7.Ifyoudetectexcessiveleakage
(airpressurelossgreaterthan3.0
psi(21kPa)afterveminutesof
brakeapplication),aleakagetest
shouldbemadeattheairline
connectionsandatallairbrake
controlunits.Thesetestsshould
determinewhereairisescaping.
AirCompressor
Operation
Allcompressors,regardlessofmake
ormodel,runcontinuouslywhilethe
engineisrunning.Systempressure
iscontrolledbythegovernor.The
governoractsinconjunctionwith
theunloadingmechanisminthe
compressorcylinderblocktostart
andstopcompressionofair.The
compressorisunloadedwhenthe
systempressurereaches120psi(827
kPa)andcompressionisreestablished
whensystempressurefallsto100psi
(690kPa).
(03/17)Y53-6060-1C15-61
5
AIRSYSTEM
PreventiveMaintenance
Thefollowingservicechecksare
providedforyourinformationonlyand
shouldbeperformedbyacertied
mechanic.Contactyourdealerorthe
enginemanufacturer'sMaintenance
Manualforfurtherinformationon
servicingaircompressors.
Aftercompletinganyrepairstotheair
system,alwaystestforairleaks,and
checkthebrakesforsafeoperation
beforeputtingthevehicleinservice.
Belowisalistofareastomaintainfor
theaircompressor:
•Inspectcompressorairlter
element,ifsoequipped,and
replaceelementifclogged.Check
compressormountinganddrive
foralignmentandbelttension.
Adjustifnecessary.
•Removecompressordischarge
valvecapnutsandcheckfor
presenceofexcessivecarbon.If
excessivecarbonisfound,clean
orreplacethecompressorcylinder
head.Also,checkcompressor
dischargelineforcarbon,and
cleanorreplacethedischargeline
ifnecessary.
•Disassemblecompressorand
thoroughlycleanandinspect
allparts.Repairorreplace
allwornordamagedparts,or
replacecompressorwithafactory
exchangeunit.
CAUTION
Whendrainingtheenginecooling
systemisrequired,topreventdam-
agefromfreezing,thecompressor
mustalsobedrainedatthecylinder
headandblock.Enginedamage
couldoccurifthecoolingsystemis
notperiodicallydrainedandmain-
tained.SeeCoolingSystemonpage
5-80forfurtherinformation.
5-62Y53-6060-1C1(03/17)
5
BRAKESYSTEM
BRAKESYSTEM
BrakeAdjustment
WARNING!
Donotworkonthebrakesystem
withouttheparkingbrakesetand
wheelschockedsecurely.Ifthe
vehicleisnotsecuredtoprevent
uncontrolledvehiclemovement,it
couldrollandcausedeath,serious
personalinjuryordamagetothe
vehicle.
Tooperateyourvehiclesafely
andprotably,youneedsome
understandingofitsbrakesystems.
Formoreonbrakes,seetheIndex,
underBrakes.
Brakeadjustmentandbrakebalance
mustbesetcarefullyto(1)make
themostefcientuseoftheforces
availableforbrakingand(2)allow
equalstoppingforcesatallwheels.
CAUTION
Theairbrakesystemofthisvehicle
wasconguredforONEofthefol-
lowingoperations:tractorortruck,
andcomplieswiththerespective
portionsofFMVSS121.Atractor
shallnotbeoperatedorcongured
asatruck,norshallatruckbeop-
eratedorconguredasatractor,
withoutsignicantmodicationsto
theairbrakesysteminordertore-
taincompliancewithFMVSS121.
Contactyourdealerforinstructions.
Onceabrakesystemissetto
specications,changinganyoneof
itscomponentsoranycombinationof
componentsmaycausethesystem
tonotworkaswell.Allpartshave
toworktogethertoperformasthey
should.Anyreplacementcomponents
inyourbrakesystemshouldbeexactly
equaltotheoriginalcomponents.
Anychangesfromtheoriginal
specicationscanaffectthewhole
system.Allofthefollowingareas
areinterrelatedandmustconformto
originalspecications:
•TireSize
•Drumbrakes
a.CamRadius
b.WedgeAngle
c.DrumRadius
d.BrakeLinings
e.BrakeChambers
f.SlackAdjusters
•DiscBrakes
a.DiscRotors
(03/17)Y53-6060-1C15-63
5
BRAKESYSTEM
WARNING!
Donotuseanyreplacementpartin
thebrakesystemunlessitconforms
exactlytooriginalspecications.A
nonconformingpartinyourvehi-
cle'sbrakesystemcouldcausea
malfunctionresultinginanaccident
causingdeathorpersonalinjury.
Sizesandtypesaresorelatedto
oneanotherthataseeminglyunim-
portantchangeinonemayresult
inachangeinhowwellthebrakes
workforyouontheroad.Ifparts
donotworktogetherproperly,you
couldlosecontrolofyourvehicle,
whichcouldcauseaseriousacci-
dent.
Allvehicleoperatorsshouldcheck
theirbrakesregularly.
WARNING!
Donotusebrakeliningswithathick-
nessbelowthespeciedminimum.
Suchliningswillhaveliningrivets
exposedthatcandamagethebrake
drumandreducebrakeefciency,
whichcouldcausedeath,personal
injuryorsystemfailure.
AirDiscBrakes
Havebrakepadsinspectedbya
qualiedmechanicforwearatregular
intervalsaccordingtothePreventive
MaintenanceScheduleonpage5-12.
Insevereserviceoroff-highway
applicationsinspecttheliningsmore
frequently.
Regularlyinspectforpad/rotorwear:
•Parkonlevelgroundandchock
thewheels.
•Temporarilyreleasetheparking
brakes.
•Comparetherelativeposition
oftwonotches;onelocatedon
thecaliperandtheotheronthe
carrier.Seetheillustrationbelow
todetermineifthebrakesrequire
adetailedinspectionbyaqualied
mechanic.
5-64Y53-6060-1C1(03/17)
5
BRAKESYSTEM
•Haveaqualiedmechanic
performadetailedinspection
ifthenotchesarenotfound.
Thepadsandrotorsshould
bemeasuredandcompared
againstthemanufacturers
specicationslocatedinthebrake
manufacturer’sservicemanual.
CaliperDetail
1.BrakeCaliperAssembly
2.LocationofInspection
Grooves
3.NotchesLine-Up(Timeto
scheduleinspectionofPads
andRotors)
4.BrakeRotor
5.BrakeCarrierAssembly
RegularlyinspectcaliperforRunning
Clearance:
•Stopthevehicleonlevelground
andletthebrakescooldown.Hot
brakecaliperscanburnskinon
contact.
•Chockthewheels.
•Temporarilyreleasetheparking
brakes.
•Grabthecaliperandmoveit.This
movementisRunningClearance.
•ProperRunningClearanceis
0.08inch(2mm)ofmovementof
thebrakecaliper(approximately
thethicknessofanickel)inthe
inboard/outboarddirection.
•Haveaqualiedmechanicprovide
furtherinspectionifthecaliper
doesnotmoveorappearstomove
morethanthespeciedclearance.
(03/17)Y53-6060-1C15-65
5
BRAKESYSTEM
DrumBrakes
Havebrakedrumliningsanddisc
brakepadsinspectedbyaqualied
mechanicforwearatregularintervals
accordingtothemaintenance
schedule.Insevereserviceor
off-highwayapplicationsinspectthe
liningsmorefrequently.
AutomaticSlackAdjusters
PeriodicallychecktheBrakeChamber
Stroke.Replacetheslackadjusterif
properstrokecannotbemaintained.
Operationalchecksofautomatic
slackadjusters
•Measurebrakechamberstroke
withthespringbrakereleasedand
theairpressurenolessthan100
psi(690kPa).
•BrakeChamberStrokeisthe
differencebetweentheapplied
andtheretractedpositionofthe
airchamberpushrod.
•Acorrectlyinstalledand
functioningautoslackadjusterwill
producethefollowingstrokes:
ChamberTypeStroke
36(rearbrakes)1-1/2"-2-1/4"
(38-57mm)
30(rearbrakes)1-1/2"-2"
(38-51mm)
16,20&24(front
brakes)
1"-1-3/4"
(25.4-44.4mm)
BrakeChamberStroke
5-66Y53-6060-1C1(03/17)
5
BRAKESYSTEM
WARNING!
Manualadjustmentofautomatic
slackadjustersisadangerousprac-
ticethatcouldhaveseriouscon-
sequences.Itgivestheoperator
afalsesenseofsecurityaboutthe
effectivenessofthebrakes.Con-
tacttheServiceDepartmentatyour
dealershipifthestrokeexceedsthe
abovespecications.Astrokeex-
ceedingthesevaluesmayindicate
aproblemwiththeslackadjusteror
thebrakefoundation.
HydraulicBrakeSystem
Tooperateyourvehiclesafely,you
needsomeunderstandingofitsbrake
systems.Brakeadjustmentandbrake
balancemustbesetcarefullytoallow
equalstoppingforcesatallwheels.
Tiresarealsoaveryimportantpartof
thewholesystem.Howfastyoucan
stopdependsonhowmuchfriction
thereisbetweentheroadandyour
tires.
Introduction
Tooperateyourvehiclesafely,you
needsomeunderstandingofitsbrake
systems.Brakeadjustmentandbrake
balancemustbesetcarefullytoallow
equalstoppingforcesatallwheels.
Tiresarealsoaveryimportantpartof
thewholesystem.Howfastyoucan
stopdependsonhowmuchfriction
thereisbetweentheroadandyour
tires.
Allofthefollowingareasare
interrelatedandmustconformto
originalspecications:
•wheelsize
•tiresize
•brakepads
•brakerotors
•frontwheelbearings
•frontendalignment
•parkingbrakedrumradius
Onceabrakesystemissetto
specications,changinganyoneof
itscomponentsoranycombinationof
componentsmaydegradethesystem.
Allpartshavetoworktogetherto
performastheyshould.
Yourbrakesystemishydraulically
operated.Refertothesectiontitled
ServiceBrakeComponentInspection
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5
BRAKESYSTEM
onpage5-69formoreinformationon
inspectingthebrakes.
Anyreplacementcomponents
inthebrakesystemmustmeet
thespecicationsoftheoriginal
components.Anychangesfromthe
originalspecicationscanaffectthe
performanceoftheentiresystem.
WARNING!
Donotuseanyreplacementpartin
thebrakesystemunlessitconforms
exactlytooriginalspecications.A
nonconformingpartinyourvehicle's
brakesystemcouldcauseamal-
functionresultinginaninjuryacci-
dent.Consultyoulocaldealerfor
suitablereplacementparts.
WARNING!
Donotworkonthebrakesystem
withouttheparkingbrakeset,the
keysremovedfromthevehicle,and
wheelschockedsecurely.Iftheve-
hicleisnotproperlysecuredtopre-
ventinadvertentvehiclemovement,
itcouldrollandcauseseriousper-
sonalinjuryordamagetothevehi-
cle.
•Usewoodblocks(4in.X4in.X
6in.orlarger)againstthefront
andrearsurfacesofthetires.Be
surethevehiclecannotmove.
BrakeFluidCheckandRell
WARNING!
Wearprotectiveclothingwhenhan-
dlinghydraulicuid.Itismildlytoxic
andcancauseskinandeyeirrita-
tion.
WARNING!
Useonlythetypeofhydraulicuid
specied.Donotuseormixdifferent
typesofhydraulicuid.Thewrong
hydraulicuidwilldamagetherub-
berpartsofthebrakesystemwhich
mayleadtolossofbrakingandpos-
siblycauseseriouspersonalinjury.
CAUTION
Hydraulicbrakesystemsusetwo
distinctandincompatibleuids.
Powersteeringuidisusedinthe
hydraulicbrakeboostersystem.
Brakeuidisusedinthemaster
cylinderandbrakepipes.Donot
mixtheseuidswhenreplenishing
thesystemorsealdamagecanre-
sult.
CAUTION
Hydraulicbrakeuidmaydamage
paintedsurfacesofthevehicle.
5-68Y53-6060-1C1(03/17)
5
BRAKESYSTEM
Makesurethattheuidlevelregisters
onorabovetheuidlevelmark
moldedonthereservoir-addmoreif
necessary,asfollows:
1.Removeeachreservoircapand
extracttherubberdiaphragmfrom
eachreservoir.
BoosterandMasterCylinder
Assembly
2.Filleachreservoirwithclean
hydraulicuidoftheapproved
specication(DOT3brakeuid).
3.Inserttherubberdiaphragmsinto
thereservoirs.
4.Topreventleakagefromthe
reservoirs,ensurethattheseal
ineachreservoircapisingood
conditionbeforerettingthecap.
WARNING!
Ifthebrakeuidreservoirrequires
anexcessiveamountofhydraulic
uid,thecompletesystemmustbe
inspectedforleaksandrepairedif
necessary(consultyournearestPe-
terbiltdealer).Failuretokeepthe
brakesystemingoodrepairmay
leadtolossofbrakingandpossibly
causeseriouspersonalinjury.
ServiceBrakeComponent
Inspection
Removeeachwheeltoinspectthe
brakecomponents.
SystemComponents
CAUTION
Whenreplacingdiscbrakepads,be
suretousethesameliningmaterial
onbothaxles.Mixingliningtypes
canresultinunbalancedbraking,
increasedpadwear,ordegraded
stoppingperformance.Consultyour
nearestPeterbiltdealer.
Discbrakepads-Visuallyinspectall
brakepadlinings.Brakepadsshould
bereplacedwhentheremaining
liningreaches3⁄16inchthicknessor
(03/17)Y53-6060-1C15-69
5
BRAKESYSTEM
less.Itisrecommendedthatalldisc
brakepadsbereplacedatthesame
timesincethiswillmaintainbalanced
braking.Ataminimum,replacealldisc
brakepadsononeaxle,bothends,at
thesametime.
Calipers-Visuallyinspectcalipers
forbrakeuidleakage,damagedor
defectivepistonsorpistonboots.If
thereisevidenceofleakage,damage,
orotherdefectsthecalipershouldbe
replacedorrepaired.
Discbrakerotors-Visuallyinspect
rotorsforscoring,warping,cracks,
bluingorheatspotsorotherdamageor
defects.Ifsignsofdamageordefects
arefound,therotor(s)shouldbe
resurfacedorreplacedinaccordance
withthevehiclemanufacturer's
recommendedserviceprocedure.
Anchorplates-Visuallyinspect
anchorplatesforwornordamaged
slippers,damagedordislodgedguide
pinbootsorotherdefects.Ifsignsof
wear,damageordefectsarefound,
theanchorplate(s)shouldberepaired
orreplaced.
ParkingBrakeComponent
Inspection
NOTE
Ifyouarenotproperlytrainedtoper-
formbrakeinspectionsorservice,
takeyourvehicletoyournearestPe-
terbiltdealer.
Visuallyinspectbrakeshoeliningfor
wear,cracks,orbreakage.Iflinings
areworndownto2.5mm(0.10in),
theymustbereplaced.Inspectbrake
drumfordeepscores,heatspots,
cracks,ordamage.Replaceifneeded.
5-70Y53-6060-1C1(03/17)
5
CAB
CAB
ExteriorMaintenance
PaintedSurfaces
Washpaintedsurfacesfrequentlyto
removegrimeandcausticdeposits
whichmaystainthenish.See
Cleaning,Protecting,andWeather
Strippingonpage5-72.
ChromeandAluminumSurfaces
Topreventrust,keepchromedparts
cleanandprotectedwithwaxatall
times,especiallyinwinterconditions
wheretheroadsaresalted.
•Ifnecessary,useacommercial
chromecleanertoremovelight
rust.
•Chromesurfacesarebest
cleanedwithfreshwater.Wipe
drytopreservetheirluster.A
commercialchromecleanerwill
removelightrust.Aftercleaning,
waxatsurfacesandapplyathin
coatofrustpreventivelubricant
aroundboltsorotherfasteners.
•Cleanaluminumwheelsand
bumperswithwarmwater.Tar
removerwillgetridofheavy
depositsofroadgrime.Toprevent
spotting,wipealuminumsurfaces
dryafterwashing.
•Undercorrosiveconditions,such
asdrivingonsaltedroads,clean
aluminumpartswithsteamorhigh
pressurewaterfromahose.A
mildsoapsolutionwillhelp.Rinse
thoroughly.
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CAB
TailPipeSurfaceCleaning
WARNING!
Alwaysallowhotsurfacestocool
downbeforeattemptingtoworknear
them.Failuretocomplymayresult
indeathorpersonalinjury.
Tomaintainyourqualitynish,wash
withasoftcloth,mildsoapandwater
orglasscleaner.Anon-abrasive
chromepolish(e.g.Windex®)canbe
usedsparinglyonhardtocleanareas.
DoNotcleanyourhighheatchrome
usingscouringpads,abrasivechrome
polish,highlyacidicchemicalcleaners
oranyotherabrasivecleaners.
StainlessSteel
Evenhighqualitystainlesssteelparts
canrustunderprolongedexposure
tosaltwater,especiallywhenthe
salt-ladenmoistureisheldagainst
themetalsurfacebyroadgrime.It
is,therefore,importanttofrequently
cleansaltymoistureandgrimefrom
stainlesssteelsurfaces.
•Ifsurfacerustisencountered,
washthesurfaceandusea
commercialpolishingcompound
tocleanofftherust,followedbya
coatingofwax.
•Neverusesteelwoolwhen
cleaningstainlesssteelbecause
minuteparticlesofthesteelwool
canembedinthesurfaceofthe
stainlesssteelandcauserust
staining.
Cleaning,Protectingand
WeatherStripping
Frequentwashingsofthevehicle
arerequiredtoremovegrimeand
contaminantsthatcanstainand
oxidizepaintandacceleratecorrosion
ofplatedandpolishedmetalsurfaces.
Waxingoffersaddedprotectionagainst
stainingandoxidation.Buttoallow
enoughtimeforyourtruck'snishto
cure,waitabout30daysafterthedate
ofmanufacturebeforewaxing.Donot
applywaxinthehotsunanddonot
frictionburnthepaintwithabufng
machine.
Occasionallysprayweather-stripping
ondoorsandwindowswithsilicone
compoundtohelppreserveresiliency.
Thisisespeciallyusefulinfreezing
weathertopreventdoorsandwindows
fromstickingshutwithice.
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CAB
VehicleCleaning
Precautions
WARNING!
Handlecleaningagentscarefully.
Cleaningagentsmaybepoisonous.
Keepthemoutofthereachofchil-
dren.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.
WARNING!
Donotusegasoline,kerosene,
naphtha,nailpolishremoverorother
volatilecleaninguids.Theymay
betoxic,ammableorhazardous
inotherways.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
WARNING!
Donotcleantheundersideofchas-
sis,fenderswheelcovers,etc.
withoutprotectingyourhandsand
arms.Youmaycutyourselfon
sharp-edgedmetalparts.Failure
tocomplymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
WARNING!
Moisture,ice,androadsalton
brakesmayaffectbrakingefciency.
Testthebrakescarefullyaftereach
vehiclewash.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
•Observeallcautionlabels.
•Alwaysreaddirectionsonthe
containerbeforeusingany
product.
•Donotuseanysolutionthatcan
damagethebodypaint.
•Mostchemicalcleanersare
concentrateswhichrequire
dilution.
•Onlyusespotremovinguidsin
wellventilatedareas.
•Anyvehicleissubjectedto
deteriorationfromindustrial
fumes,ice,snow,corrosiveroad
salt,etc.,tonamejustafew
causes.Awell-cared-forvehicle
canlooklikenewmanyyears
later.Regularandcorrectcare
willcontributetomaintainingthe
beautyandthevalueofyour
vehicle.
Yourdealerhasanumberof
vehicle-careproductsandcanadvise
youonwhichonestouseforcleaning
theexteriorandinteriorofyourvehicle.
(03/17)Y53-6060-1C15-73
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CAB
CAUTION
Donotaimthewaterjetdirectlyat
doorlocksorlatch.Tapethekey
holestopreventwaterfromseeping
intothelockcylinders.Waterinlock
cylindersshouldberemovedwith
compressedair.Topreventlocks
fromfreezinginthewinter,squirt
glycerinorlockdeicerintothelock
cylinders.
WashingtheExterior
1.Beginbysprayingwateroverthe
drysurfacetoremoveallloosedirt
beforeapplyingthecarwashand
waxsolution.
Donotwashthevehicleindirect
sunshine.
Donotspraywaterdirectlyintothe
cabvents.
2.Usingsoapywater,washthe
vehiclewithacleansoftclothor
asoftbrushmadeforautomotive
cleaning.
Usecoolorwarmwateranda
mild,householdtypesoap.Strong
industrialdetergentsandcleaning
agentsarenotrecommended.
Donotusestiffbrushes,paper
towels,steelwool,orabrasive
cleaningcompoundsbecause
theywillscratchpainted,plated,
andpolishedmetalsurfaces.
3.Rinsesurfacesfrequentlywhile
washingtoushawaydirtthat
mightscratchthenishesduring
thewashingoperation.
4.Wipeeverythingdrywitha
chamoistoavoidwaterspots.
Topreventwaterspotting,dryoff
thecosmeticsurfaceswithaclean
clothorchamois.
5.Removeroadtarwithan
automotivetypetarremoveror
mineralspirits.
6.Aftercleaninganddrying,applya
qualityautomotivewax.
NOTE
Toallowenoughtimeforyourtruck's
nishtocure,waitatleastthirtydays
afterthedateofmanufacturebefore
waxing.
•Donotapplywaxinthehotsun.
•Neverdustoffdrysurfaceswith
aclothbecauseitwillscratch
thenishes.
5-74Y53-6060-1C1(03/17)
5
CAB
CleaningtheChassis
•Hosedirtandgrimefromthe
entirechassis.Then,ifanoil
leakdevelops,youwillbeableto
detectiteasier.
•Corrosivematerialsusedforice
andsnowremovalanddustcontrol
cancollectontheunderbody.If
thesematerialsarenotremoved,
acceleratedcorrosion(rust)can
occuronunderbodypartssuchas
fuellines,frames,oorpan,and
exhaustsystem,eventhoughthey
havebeenprovidedwithcorrosion
protection.
Atleasteveryspring,ushthese
materialsfromtheunderbodywith
plainwater.Besuretocleanany
areawheremudandotherdebriscan
collect.Sedimentpackedinclosed
areasoftheframeshouldbeloosened
beforebeingushed.Ifdesired,your
dealercandothisserviceforyou.
CleaningInteriorVinyland
Upholstery
•Wipevinylupholsteryandlining
withagoodcommercialupholstery
cleaner.Donotuseacetoneor
lacquerthinner.
•Cleanfabricupholsterywith
upholsteryshampoospecially
formulatedforthispurpose.Follow
instructionsonthecontainer.
SafetyRestraintSystem-
Inspection
Theseatbeltsystem,including
webbing,buckles,latches,and
mountinghardware,enduresheavy
useinheavy-dutyvehicles,muchmore
thanseatbeltsystemsinpassenger
cars.Allusersshouldbeawareofthe
factorscontributingtothisheavyuse
andreducedbeltlife.
WARNING!
Failuretoproperlyinspectandmain-
tainrestraintsystemscanleadtoin-
juryorlossoflife.Withoutperiodic
inspectionandmaintenancetode-
tectunsafeconditions,seatrestraint
componentscanwearoutornotpro-
tectyouinanaccident.
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CAB
Factorscontributingtoreduced
seatbeltlife:
•Heavytruckstypicallyaccumulate
twiceasmanymilesasthe
averagepassengercarinagiven
timeperiod.
•Seatandcabmovementin
truckscausesalmostconstant
movementofthebeltduetoride
characteristicsandseatdesign.
Theconstantmovementofthebelt
insidetherestrainthardwareand
thepotentialforthebelttocome
incontactwiththecabandother
vehicleparts,contributestothe
wearoftheentiresystem.
•Environmentalconditions,suchas
dirtandultravioletraysfromthe
sun,willreducethelifeoftheseat
beltsystem.
Duetothesefactors,thethree-point
safetybeltsysteminstalledinyour
vehiclerequiresthoroughinspection
every20,000miles(32,000km).If
thevehicleisexposedtosevere
environmentalorworkingconditions,
morefrequentinspectionsmaybe
necessary.
Anyseatbeltsystemthatshowscuts,
fraying,extremeorunusualwear,
signicantdiscolorationduetoUV
(ultraviolet)exposure,abrasiontothe
seatbeltwebbing,ordamagetothe
buckle,latchplate,retractorhardware
oranyotherobviousproblemshould
bereplacedimmediately,regardless
ofmileage.
WARNING!
Itisimportanttorememberthatany
timeavehicleisinvolvedinanac-
cident,theentireseatbeltsystem
mustbereplaced.Unexposeddam-
agecausedbythestressofanacci-
dentcouldpreventthesystemfrom
functioningproperlythenexttimeit
isneeded.Failuretocomplymayre-
sultindeathorpersonalinjury.
5-76Y53-6060-1C1(03/17)
5
CAB
InspectionGuidelines
Followtheseguidelineswhen
inspectingforcuts,fraying,extreme
orunusualwearofthewebbing,
anddamagetothebuckle,retractor,
hardware,orotherfactors.Damageto
theseareasindicatesthatbeltsystem
replacementisnecessary.
WARNING!
Replacetheentirebeltsystem(re-
tractorandbuckleside)ifreplace-
mentofanyonepartisnecessary.
Unexposeddamagetooneormore
componentscouldpreventthesys-
temfromfunctioningproperlythe
nexttimeitisneeded.Failureto
complymayresultindeathorper-
sonalinjury.
1.Checkthewebwearinthesystem.
Thewebbingmustbeclosely
examinedtodetermineifitis
comingintocontactwithanysharp
orroughsurfacesontheseator
otherpartsofthecabinterior.
Theseareasaretypicalplaces
wherethewebwillexperience
cuttingorabrasion.Cuts,fraying,
orexcessivewearwouldindicate
theneedforreplacementofthe
seatbeltsystem.
2.Thepillarwebguide(D-loop)is
theareawherealmostconstant
movementoftheseatbelt
webbingoccursbecauseof
relativemovementbetweenthe
seatandcab.
3.ChecktheComfortClipforcracks
orpossibledamageandcheckfor
properoperation.
4.Checkbuckleandlatchforproper
operationandtodetermineif
latchplateisworn,deformed,or
damaged.
5.Inspecttheretractorwebstorage
device,whichismountedonthe
oorofthevehicle,fordamage.
Theretractoristheheartofthe
occupantrestraintsystemandcan
oftenbedamagedifabused,even
unintentionally.Checkoperation
toensurethatitisnotlockedup
andthatitspoolsoutandretracts
webbingproperly.
6.Iftethersareused,besurethey
areproperlyattachedtothe
seatand,ifadjustable,thatthey
areadjustedinaccordancewith
installationinstructions.Tethers
mustalsobeinspectedforweb
wearandpropertightnessof
mountinghardware.
7.Mountinghardwareshouldbe
evaluatedforcorrosion,andfor
tightnessofboltsandnuts.
8.Checkwebinareasexposedto
ultravioletraysfromthesun.Ifthe
colorofthewebintheseareasis
graytolightbrown,thephysical
strengthofthewebmayhave
deterioratedduetoexposureto
(03/17)Y53-6060-1C15-77
5
CAB
thesun'sultravioletrays.Replace
thesystem.
SeatBeltInspectionPoints
1Webcutorfrayedor
extremelywornatlatch
area.
2WebcutorfrayedatD-loop
webguide.
3ComfortClipcrackedor
damaged.
4Bucklecastingbroken.
5RetractorWebStoragefor
damage.(locatedbehind
trimpanel)
6T ethersforwebwearand
propertightnessofmounting
hardware.
7Mountinghardwarefor
corrosion,propertightness
ofboltsandnuts.
8Webfordeterioration,due
toexposuretothesun
WARNING!
Failuretoadjusttetherbeltsproperly
cancauseexcessivemovementof
theseatinanaccident.Tetherbelts
shouldbeadjustedsothattheyare
tautwhentheseatisinitsmostup-
wardandforwardposition.Failure
tocomplymayresultindeathorper-
sonalinjury.
Oncetheneedforreplacementof
theseatbelthasbeendetermined,
becertainitisonlyreplacedwith
anauthorizedPACCARParts
replacementseatbelt.
Iftheinspectionindicatesthatany
partoftheseatbeltsystemrequires
replacement,theentiresystemmust
bereplaced.Aninstallationguideis
attachedtoeveryreplacementbelt.
Utilizetheproperguideforyourtypeof
seat,andfollowtheinstructionsvery
closely.Itisvitallyimportantthatall
componentsbereinstalledinthesame
positionastheoriginalcomponents
thatwereremovedandthatthe
fastenersbetorquedtospecication.
Thiswillmaintainthedesignintegrity
ofthemountingpointsfortheseatbelt
assembly.Contactyourdealerifyou
haveanyquestionsconcerningseat
beltreplacement.
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CAB
WindshieldWiper/Washer
Checkwiperbladesannuallyorevery
60,000miles(96,000km).Anco
18-inch(450mm)wiperbladesare
recommended.
Thewindshieldwashertankislocated
insidetheenginecompartmentbelow
theradiatorexpansiontank.Checkthe
windshieldwashinguidlevelweekly.
Ifnecessary,lltotop.
CAUTION
Iftheelectricpumpisoperatedfora
longperiod(morethan15seconds)
withadryreservoir,thepumprotor
maybedamaged.
Cleanallinsideandoutsidewindows
regularly.Useanalcohol-based
cleaningsolutionandwipedrywith
eitheralintfreeorachamoiscloth.
Avoidrunningthewiperbladesovera
drywindshieldtopreventscratching
theglass.Sprayonwasheruidrst.
Ascratchedwindshieldwillreduce
visibility.
WasherReservoir
CAUTION
Donotuseantifreezeorengine
coolantinthewindshieldwasher
reservoir,damagetosealsandother
componentswillresult.
Weekly:checkreservoirwaterlevel,
locatedintheenginecompartment
underthecoolantexpansiontank.If
necessary,lltotheproperlevel.
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COOLINGSYSTEM
COOLINGSYSTEM
Coolingsystem
maintenance
Yourengine’scoolingsystemis
standardwithExtendedLifeCoolant
(ELC).ELCconsistsofamixtureof
ethyleneglycol,water,andorganic
acidtechnologychemicalinhibitors.
ELCpreventscorrosionandscale
formationaswellasprovidesfreezing
andboilingpointprotection.
CAUTION
Theenginecoolingsystemhasvery
specicmaintenanceandinspection
requirements.Failuretofollowre-
quirementscandamagetheengine.
Enginedamagecanincludebutis
notlimitedto:
•Freezing
•Boiling
•Corrosion
•Pittedcylinderliners
Thisinformationisfoundintheen-
ginemanufacturersowner’smanual.
Itistheowner’sresponsibilitytofol-
lowallrequirementslistedintheen-
ginemanufacturersowner’smanual.
WhatToCheckInAnELC-lled
CoolingSystem
ELCConcentration
Checktheleveloffreeze/boilover
protection,whichisdeterminedby
theELCconcentration.Useaglycol
refractometertodetermineglycollevel.
AddELCtoobtaintheELCtowater
ratiorequiredtoprovidetheprotection
youneed.Usethechartbelowtohelp
determinehowmuchELCyouneed
toadd.
NOTE
MaximumrecommendedELCcon-
centrationis60%ELCand40%wa-
terbyvolume(a60/40coolantmix-
ture).Theminimumrecommended
concentrationis40%.
InanELC-lledcoolingsystem,the
freezepointshouldbemaintained
between-30°Fand-45°F(-34°Cand
-43°C).
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COOLINGSYSTEM
DesiredELC/Waterratio:
10%15%20%25%30%35%40%45%50%55%60%65%70%75%80%85%90%
Freezepoint°F(°C)
+25
(-4)
+20
(-7)
+15
(-9)
+10
(-12)
+5
(-15)
-5
(-21)
-12
(-24)
-23
(-31)
-34
(-37)
-50
(-46)
-65
(-54)
-75
(-59)
-84
(-64)
-70
(-57)
-55
(-48)
-43
(-42)
-30
(-34)
Itemsinboldaretherecommendedlevelsofconcentration.
ELCCondition(Contaminationand
InhibitorConcentration)
Performavisualinspectionofthe
ELC.Itshouldhavenocloudiness
oroatingdebris.Determinethe
chemicalinhibitorconcentrationlevel
byusinganELC-specictestkitor
teststrips.Inhibitorconcentrationlevel
determinescorrosionprotection.Ifyou
areconcernedaboutpossiblecoolant
quality,contamination,ormechanical
problems,submitacoolantsamplefor
analysis.Impropermaintenancemay
causecoolantdegradationandcould
resultindamagetothecoolingsystem
andenginecomponents.Consult
yourdealerortheELCmanufacturer’s
representativeforrecommendedELC
testkits,teststrips,andlaboratory
sampleprocedures.
ELCExtender
AddELCextenderifnecessaryatthe
maintenanceintervalunder"Cooling".
CoolantFilter
Ifyourvehiclecamewitha
non-chemicallter("blanklter"),
replaceitonlywithablanklteratthe
intervalspeciedinthePreventive
MaintenanceScheduleonpage5-12.
NeveruseltersthatcontainSCAsin
anELC-lledsystem.
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COOLINGSYSTEM
ToppingOff
WARNING!
Removingthellcaponahoten-
ginecancausescaldingcoolant
tosprayoutandburnyoubadly.
Iftheenginehasbeeninopera-
tionwithintheprevious30minutes,
beverycarefulinremovingthell
cap.Protectface,hands,andarms
againstescapinguidandsteamby
coveringthecapwithalarge,thick
rag.Donottrytoremoveituntilthe
surgetankcoolsdownorifyousee
anysteamorcoolantescaping.In
anysituation,removethecapvery
slowlyandcarefully.Bereadyto
backoffifanysteamorcoolantbe-
ginstoescape.
NOTE
Iffrequenttoppingoffisnecessary
andtherearenovisiblesignsof
coolantleakswhentheengineis
cold,checkforleakswiththeengine
operatingatnormaltemperature.
Topoffthecoolingsystemwhen
coolantdoesnotrisetothelevel
indicatedas‘MIN’onthesurgetank.
Thesurgetankistranslucentwhich
allowsthecoolantleveltobeseen.
SurgeT ank
NOTE
Donotusethepressurecaptollthe
surgetankwithuid.
ProperCoolantLevel
NOTE
Donotoverllacoolingsystem.Ex-
cesscoolantmayresultinoverow,
lossofantifreeze,andreducedcor-
rosionprotection.
•Theminimumuidlevelis
determinedbythelineonthe
surgetankindicatedbytheletters
"MIN".Thisindicatorislocated
belowthellcap.
•Thecoolingsystemwillneeduid
ifthesurgetankleveldoesnotrise
tothe"MIN"lineregardlessifthe
systemishotorcold.
5-82Y53-6060-1C1(03/17)
5
COOLINGSYSTEM
RellingYourRadiator
1.Ifyourcoolingsystemisbuiltwith
drainvalvesintheupperengine
coolantpipe,openthembefore
llingthesurgetank.
2.Closeanyopencoolantdrainsin
thesystem.
3.Removethesurgetankllcap
(donotremovethesurgetank
pressurecap).
4.Fillthesystemwithpremixed
coolantthroughthesurgetank
llcap.Pourcoolantatasteady
owrateuntilthesurgetankis
full(tothebaseofthellneck).
Itmaybenecessarytopausefor
1minuteandthenrelliftheuid
leveldropped.
5.Closeanydrainvalvesthatwere
openedinStep1.
6.Starttheengineandidleatlow
RPM.
7.Duringlowrpmidle,airwillpurge
fromthecoolingsystemwhichwill
lowerthecoolantlevelinthesurge
tank.Continuetollthesurge
tankuntilthecoolantlevelremains
approximately½in.abovethe
"MIN"line.Thismaytakeupto2
minutes,dependingontheoutside
temperature.
8.Operatetheenginethrottle
untiltheoperatingtemperature
stabilizes(whenthethermostat
opens).
9.Fillthesurgetankasnecessary
toraisethecoolantlevelto½in.
abovethe"MIN"level.
10.Operatetheengineathighidlefor
another10minutesandthenll
thesurgetankagainto½"above
the"MIN"level.
11.Replacethesurgetankllcap.
Checkthecoolantlevelaftereachtrip.
Addcoolantasnecessary.Youmay
ndyourcoolantlevelisnotuptothe
correctlevelsoonafteryouhavelled
theradiator.Thismaybebecauseall
thetrappedairinthesystemhasnot
yetbeenpurged.Ittakesalittletime
foralloftheairtoleavethesystem
afteryoullyourradiator.
(03/17)Y53-6060-1C15-83
5
COOLINGSYSTEM
Engine(Block)Heater
WARNING!
Donotusetheheaterifthereare
anysignsofproblems.Engineblock
heaterscancauseresresultingin
death,personalinjury,equipment
orpropertydamageifnotproperly
maintainedandoperated.Regu-
larlyinspecttheengineblockheater
wiringandconnectorfordamaged
orfrayedwires.Contactyourau-
thorizeddealerorthemanufacturer
oftheheaterifyouareinneedof
repairsorinformation.Failureto
complymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
CAUTION
Alwaysunplugtheblockheaterbe-
forestartingyourengine.Damage
tothecoolingsystemcouldoccurif
notturnedOFF(unplugged).
Useasolutionofhalfethyleneglycol
antifreezeandhalfwaterforbest
heaterperformance.Donotuse
morethan65percentconcentrationof
antifreeze,asashortenedheaterlife
willresult.
Afterservicingthecoolingsystem,
operatethevehicleforadayortwo
beforeusingtheheater.Trapped
airinsidetheengineneedstimeto
escape.
5-84Y53-6060-1C1(03/17)
5
ELECTRICAL
ELECTRICAL
ElectricalSystem
WARNING!
Batteryposts,terminalsandrelated
accessoriescontainleadandlead
compounds,chemicalsknowntothe
StateofCaliforniatocausecancer
andreproductiveharm.Washhands
afterhandling.
CAUTION
Donotmodifyorimproperlyrepair
thevehicleselectricalsystemor
fusepanel.Allelectricalrepairs
shouldbeperformedbyanautho-
rizeddealer.Improperrepairor
modicationswillvoidyourwarranty
and/orcauseseriousdamageto
yourvehicle.
LowVoltageDisconnect(LVD)
Purpose
TheLVDmayincreasebatterylife
andpreventunnecessaryjump
startconditionsbyensuringthatan
unattendedloaddoesnotdeplete
thebatterychargetoalevelthatwill
preventyoufromstartingyourvehicle.
Operation
TheLVDwilldisconnectnon-vital
batteryloadswhenbatteryvoltage
dropsbelow12.3Vfor3minutesand
thekeyswitchisintheACCorOFF
position.Duringthelast2minutesthe
LVDwillemitaslowaudiblebeep.30
secondsbeforedisconnectingloads
thealarmwillchangetoafastbeep.
Thebatteryvoltagemustcomeback
upaboveacertainvoltagebeforethe
LVDwillreset.
SeeanauthorizeddealeriftheLVD
failstoreconnectloadsduringnormal
operation.
CircuitsDisconnectedByLVD
•CabDomeLamps
•CabAccessories
•SpareBatteryA&B
NOTE
AllLVDcircuitsarecolor-codedblue
onthecentralelectricalpanelcover
label.
(03/17)Y53-6060-1C15-85
5
ELECTRICAL
WARNING!
DonotusetheSpareBatteryA&
Bcircuitsorothercircuitsthatare
controlledbytheLVDtopowerelec-
tronicenginecontrols,ABScircuits,
orsafety/work-relatedlighting.Be-
foreaddinganydevicetothevehi-
cle'selectricalsystem,consultyour
nearestauthorizeddealerorread
thecontentsofTMCRP-136.Fail-
uretodosomaycauseequipment
damageorleadtopersonalinjury.
NOTE
Thedeterminationofwhatcir-
cuits/loadsthatwereconnectedto
theLVDwasbasedupontherec-
ommendationfromTechnologyand
MaintenanceCouncil(TMC)ofthe
AmericanTruckingAssociation.T o
reviewtherecommendedpractice,
seeTMCRP-136.
LightBulbs
HeadlightReplacement
Replacingaheadlightbulbis
accomplishedbyaccessingtherear
oftheheadlightviaaaccesspanelin
thefrontfender.Openthehoodtoget
accesstothispanel.
Oncethepanelisopen,theheadlight
bulbsocketmayberemovedtoreplace
thebulb.
WARNING!
OptionalHIDheadlightshavehigh
voltagecircuitsandshouldonlybe
servicedbyatrainedtechnician.At-
temptingtoservicetheHIDballast
withoutpropertrainingmayresultin
severeelectricalshockwhichcould
leadtodeathorpersonalinjury.
Accessdoor
5-86Y53-6060-1C1(03/17)
5
ELECTRICAL
HeadlightAiming
Theheadlightswereproperly
aimedatthefactorytomeetsafety
specications.Iftheheadlightsneedto
beadjusted,pleasehaveanauthorized
dealershipaimtheheadlights.
BulbSpecications
DESCRIPTIONPARTNO.
Headlights9007BULB
Frontturnsignal3157KLLBULB
Marker1895BULB
Stop/tailturn
1157BULB
Backup1156BULB
Hoodmarker4157NAKLLBULB
Roofmarker
194BULB
Dome1141BULB
Warninglamp
module
#37or73(T13/4
wedgebase)
Fuses,CircuitBreakersand
Relays
Fuses,circuitbreakers,andrelaysare
locatedintheFusePaneltotheleftof
thesteeringcolumnbehindtheclutch
pedal.Additionalfusesmaybelocated
intheenginecompartment.
(03/17)Y53-6060-1C15-87
5
ELECTRICAL
FusePanelDoor
5-88Y53-6060-1C1(03/17)
5
ELECTRICAL
FusePanelLabel
(03/17)Y53-6060-1C15-89
5
ELECTRICAL
FusePuller
FuseInspectionand
Replacement
Ifafuseisblown,seeWhattodoif
fuseorrelayblowsonpage2-6for
moreinformation.
AddingElectricalOptions
WARNING!
Donotaddafusewitharating
higherthan30amps.Followthe
circuitprotectionsize/typerecom-
mendedbythecomponentmanu-
facturer.Installingafuseorcircuit
breakergreaterthandesignated
maydamagetheelectricalsystem
whichcouldleadtoequipmentdam-
ageand/orpersonalinjury.
CAUTION
Followallmanufacturers'circuitpro-
tectionrecommendationsforthe
componentsandwiresbeingadded.
Failuretocomplymayresultin
equipmentdamage.
5-90Y53-6060-1C1(03/17)
5
ELECTRICAL
NOTE
Ifyouareunfamiliarwithproper
electricalrepairpracticesandpro-
cedures,seeyourauthorizeddealer
forassistance.
NOTE
Easyadditionofcircuitsisprovided
byplug-inconnectorsthathavea
groundandapowerwire.
Forproperelectricalsystem
performance,refertoawiring
diagramforyourchassisbeforeadding
electricaloptions.
WARNING!
Neverinstallacircuitbreakerina
circuitthatisdesignatedas"fuse-
only"circuit(s).Fuse-onlycircuits
aremarkedwithan*onthereverse
sideoftheFusePanelcover.Using
acircuitbreakerinthosefuse-only
circuitsmaycausethecircuitto
overheatwhenashortexistswhich
couldleadtoequipmentdamage
and/orpersonalinjury.
Batteries
BatteryAccess
Thevehicleisoriginallyequippedwith
threeorfourbatteries.Replacement
batteriesmustmeetthefollowing
specications:maintenance-free,
group31size,threadedstud,12V/650
coldcrankingampere(CCA),and160
minutesofreservecapacity.
Thebatterycompartmentislocatedon
theleftsideofthevehicle,underthe
cabaccesssteps.
1.Removethe6boltsthatare
locatedinthe2cabaccessstep
plate.
2.Removebatterycoverforaccess.
(03/17)Y53-6060-1C15-91
5
ELECTRICAL
In-CabBatteryBox
Yourvehiclemaybeequipped
withAbsorbedGlassMat(AGM)
batterieslocatedinthecabunderthe
passenger’sseat.Theglassmatin
AGMbatteriesaredesignedtoabsorb
thebatteryacidinsidethebatterythat
canleakorspilloutinconventional
batteries.Thisdesignfeatureallows
batteriestobepositionedinany
orientationwithoutriskofleaking.
Toaccessthebatteries:
1.Remove6fastenerssecuringthe
passengersideseatbasetothe
batteryboxassembly.
2.Removetheseatandseatbase
asoneunittogainaccesstothe
batteries.
WARNING!
ReplaceonlywithAGM(Group31)
batteries.Useofotherbatteries
couldresultinacidleakscausing
personalinjuryintheeventofave-
hicleaccident.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
WARNING!
Batterycablesandair/electricalhar-
nessesaremountedtothebottomof
theoor.Donotdrillorscrewinto
oorpanwithoutrstcheckingthe
locationofthecables,harnessesor
anyothercomponentthatmightbe
damaged.Damaginganycompo-
nentcouldresultinelectricalshock
whichcouldcausepersonalinjury
and/orlossofacriticaltrucksys-
tem.Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
WARNING!
Electricaldamageorbatteryex-
plosioncanoccurwhenimproperly
chargingbatteries.Refertothe
ChargingSystemonpage5-95for
appropriatecharginginstructions.
Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
5-92Y53-6060-1C1(03/17)
5
ELECTRICAL
WARNING!
Batteriesreleasegasesthatare
ammable.Batteriesareequipped
withventtubesandasharrestors
whichventbatterygasesoutofthe
cab.Ensureallventtubes,ashar-
restorsandgrommetsareproperly
installedandensuretheyareclear
andfunctioningproperly.Failureto
reinstallorkeeptheventtubesand
grommetsclearorensuretheash
arrestor(s)arefunctioningproperly
couldresultinpersonalinjuryor
equipmentdamage.Failuretocom-
plymayresultindeath,personal
injury,equipmentorpropertydam-
age.
CAUTION
Donotstoreotheritemsinthisbat-
terybox.Failuretocomplycouldre-
sultindamagetothetruckand/or
batteries.
CAUTION
Properlysecurebatterytiedowns
andbatteryboxcoverwhenrein-
stallingbatteriesafterservice.Do
notovertighten.Overtightening
cancrackthebatterycasewhichcan
leadtoequipmentdamage.
RemovingandInstallingBatteries:
1.Besureallswitchesonthevehicle
areturnedOFF.
2.Disconnectnegativegroundcable
rst.
3.Disconnectpositivecable.
4.Unscrewboltofholdingplatewith
openendwrench.
NOTE
Alwaysdisposeofautomotivebat-
teriesinasafeandresponsibleman-
ner.Contactyourauthorizeddealer
fordisposalstandards.Callyourlo-
calauthorizedrecyclingcenterfor
informationonrecyclingautomotive
batteries.
Followtheprocedurebelowtoreinstall
batteriesonthevehicle:
(03/17)Y53-6060-1C15-93
5
ELECTRICAL
NOTE
Makesuretoreconnecttheground
(negative)cablelast.
1.Placebatteriesinvehicleand
tightenboltofholdingplate.
2.Reconnectpositivecable.
3.Reconnectground(negative)
groundcable.
WARNING!
Batteryreplacementmayalteror
disturbbatterycablerouting.Check
toinsurebatterycablesarefree
fromanypointofchafng.Failure
tocomplymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
ReplacingPartsRemovedfor
Access
1.Replacebatterycover.
2.Install2boltsinstepstrut.Torque
to24-32lb-ft(33-43Nm).
3.Installfairingandinstall4bolts.
Torqueto6-7lb-ft(8-9Nm).
4.Installstepsbyinstalling2boltsin
eachstep.T orqueto24-32lb-ft
(33-43Nm).
WARNING!
Alwaysreinstallthestepsbeforeen-
teringthecab.Withoutthestepsyou
couldslipandfall,resultinginpossi-
bleinjurytoyourself.
WARNING!
Fairingsnotinstalledproperlycould
comelooseandcauseothermo-
toriststohaveaninjuryaccident.It
isimportantthatfairingsbeinstalled
properly.Failuretocomplymayre-
sultindeath,personalinjury,equip-
mentorpropertydamage.
WARNING!
Beforeattemptinganyworkonthe
batteriesorelectricalsystem,re-
movealljewelry.Ifmetaljewelryor
othermetalcomesincontactwith
electricalcircuits,ashortcircuitmay
occurcausingyoutobeinjured,as
wellaselectricalsystemfailureand
damage.
5-94Y53-6060-1C1(03/17)
5
ELECTRICAL
BatteryCare
Regularattentiontothecharging
systemwillhelpprolongtheservice
lifeofthebatteries.Herearesome
commoncausesofbatteryfailure:
Overcharge:thisconditionresults
fromimpropervoltageregulator
adjustment.Itresultsinoverheating
ofthebattery,warpedplates,and
evaporationofelectrolyte.
Undercharge:thevoltageregulator
ismalfunctioning,thedrivebeltis
slipping,oryourvehiclehasundergone
longperiodsofstandingidleorshort
distancedriving.Theseconditions
resultinbatteryplatesbecoming
coveredwithahardcoating.
Vibration:loosebatteryhold-downs
maycausebatteryplatefailure.
ShortCircuits:thesedischargethe
batterybydrainingelectricity.
DirtyorLooseConnections:
improperconnectionsmaystopthe
owofelectricalpowertoandfromthe
battery.
BatteryCharging
Exceptforusingsmalltricklecharges
tomaintainbatterycondition,you
shouldhaveyourvehicle'sbatteries
chargedbyaqualiedservicefacility.
WARNING!
Batteriescaninjureyouseverely.
Theycontainacid,producepoi-
sonousandexplosivegases,and
supplylevelsofelectriccurrenthigh
enoughtocauseburns.Aspark
oramenearabatteryoncharge
maycauseittoexplodewithgreat
force.Neverremoveortamperwith
thebatterycaps.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
Tohelpreducetheriskofpersonal
injuries,followtheseguidelines
carefullywhenrechargingabattery:
•Beforeattemptinganyservice
intheelectricalinstallation,
(03/17)Y53-6060-1C15-95
5
ELECTRICAL
disconnectthebatterynegative
cable.
•Allownosparksoropename
anywherenearthechargingarea.
•Chargeabatteryonlyina
well-ventilatedarea,suchas
outdoorsorinafullyopengarage
whichcontainsnopilotlightsor
otherames.Gasesgenerated
duringthechargingprocessmust
beallowedtoescape.
•Alwaysmakesurethebattery
chargerisOFFbeforeconnecting
ordisconnectingthecableclamps.
•Toavoidshortcircuits,damage
tothevehicle,orpersonalinjury,
neverplacemetaltoolsorjumper
cablesonthebatteryornearby.
Metalthataccidentallycomesin
contactwiththepositivebattery
terminaloranyothermetalonthe
vehicle(thatisincontactwiththe
positiveterminal),couldcausea
shortcircuitoranexplosion.
ChargingReminders
•Useprotectiveeyewear.
•Keepallbatteriesawayfrom
children.
•Neverreversebatterypoles.
•Neverattempttoplacethevehicle
inmotion,orruntheenginewith
batteriesdisconnected.
•Keepthebatterycleananddry.
•Lookforanysignsofdamage.
•Batteryterminalsshouldnot
becoatedwithimproper
grease.Usepetroleumjelly
orcommerciallyavailable,
noncorrosive,nonconductive
terminalcoatings.
•Neveruseafastchargerasa
boostertostarttheengine.This
canseriouslydamagesensitive
electroniccomponentssuch
5-96Y53-6060-1C1(03/17)
5
ELECTRICAL
asrelays,radio,etc.,aswell
asthebatterycharger.Fast
chargingabatteryisdangerous
andshouldonlybeattemptedby
acompetentmechanicwiththe
properequipment.
SlowBatteryCharging
NOTE
Followtheinstructionsthatcome
withyourbatterycharger.
•Itisnotnecessarytoremovethe
batteryfromthecompartment.
WARNING!
Chargercablesmustbeconnected
positivetopositive(+to+)andneg-
ativetonegative(-to-).Ifcon-
nectedimproperly,batteriescould
explode.Failuretocomplymayre-
sultindeath,personalinjury,equip-
mentorpropertydamage.
WARNING!
Alwaysmakesurethebattery
chargerisOFFbeforeconnecting
ordisconnectingthecableclamps.
Toreducethedangerofexplosions
andresultingdeathorpersonalin-
jury,donotconnectordisconnect
chargercableswhilethechargeris
operating.
1.Disconnectthebatterycables.
2.Connectchargercables.
3.Startchargingthebatteryatarate
notover6amperes.Normally,a
batteryshouldbechargedatno
morethan10percentofitsrated
capacity.
4.Aftercharging,turnOFFcharger
anddisconnectchargercables.
(03/17)Y53-6060-1C15-97
5
ELECTRICAL
ElectricalandAlternator
Precautions
Takethefollowingprecautionsto
avoidburningoutalternatordiodes:
•Donotstarttheengine
withalternatordisconnected
(connectionsremoved)fromthe
circuit.
•Beforewelding,disconnectall
electronicconnectionstothe
vehiclebatteries.
•Removebatterypowercableand
insulateitfromthevehicle.
•Donotruntheenginewiththe
batteriesdisconnected.
•Donotdisconnectthebattery
cablesoralternatorconnection
cableswiththeenginerunning.
•Neverturntheignitionswitchfrom
theONpositiontotheSTART
positionwiththeenginerunning.
•Whenchargingthebattery
(installedinthevehicle)disconnect
thebatterycables.
•Donotreversethecablesofthe
alternator,startermotor,orbattery.
•Donotpolarizethealternator.The
alternatorshouldnotbepolarized
likeagenerator.Toensurecorrect
polarity,useatestlampora
voltmeter.
RemoteKeylessEntry
Theremotekeylessentrysystemmay
becomeinoperationalduetoakey
fobbattery.Ifyouhaveissueswith
akeyfob,replacethebatteryand
re-synchronizethekeyfob.Insome
situations,thekeyfobmayneedto
bereplacedandinothers,afusemay
havefailedandmayrenderbothkey
fobsinoperative.
Contactyourdealerformorehelpif
akeyfobdoesnotworkanditisnot
becauseofabadbattery.
5-98Y53-6060-1C1(03/17)
5
ENGINE
ENGINE
EngineMaintenance
WARNING!
Exhaustfumesfromtheenginecon-
taincarbonmonoxide,acolorless
andodorlessgas.Donotbreathe
theengineexhaustgas.Apoorly
maintained,damagedorcorroded
exhaustsystemcanallowcarbon
monoxidetoenterthecab.Entryof
carbonmonoxideintothecabisalso
possiblefromothervehiclesnearby.
Failuretoproperlymaintainyourve-
hiclecouldcausecarbonmonoxide
toenterthecabandcausedeathor
personalinjury.
WARNING!
Neveridleyourvehicleforprolonged
periodsoftimeifyousensethatex-
haustfumesareenteringthecab.
Investigatethecauseofthefumes
andcorrectitassoonaspossible.
Ifthevehiclemustbedrivenunder
theseconditions,driveonlywiththe
windowsopen.Failuretorepairthe
sourceoftheexhaustfumesmayre-
sultindeath,personalinjury,equip-
mentorpropertydamage.
NOTE
Keeptheengineexhaustsystem
andthevehiclescabventilation
systemproperlymaintained.Itis
recommendedthatthevehiclesex-
haustsystemandcabbeinspected:
•Byacompetenttechnicianevery
15,000miles
•Wheneverachangeisnoticedin
thesoundoftheexhaustsystem
•Whenevertheexhaustsystem,
underbodyorcabisdamaged
(03/17)Y53-6060-1C15-99
5
ENGINE
EngineLubrication
Refertotheenginemanufacturer's
EngineOperationandMaintenance
Manualsuppliedwithyourvehiclefor
informationaboutdrainingandrelling
engineoil,enginecrankcasecapacity,
engineoiltype,andchangingoillters,
etc.
WARNING!
Hotengineoilcanbedangerous.
Youcouldbeburned.Lettheen-
gineoilcooldownbeforechanging
it.Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
InspectionoftheEngineOilLevel
NOTE
Ittakesapproximately15minutes
foralltheoiltorunintothesump
whentheengineis‘warm.’Ifthe
levelischeckedimmediatelyafter
switchingofftheengine,thedipstick
willshowalowoillevel.
1.Makesurethatthevehicleframe
railisstandingonaatandlevel
surface.
2.Makesurethatthevehicleis
horizontal,bothlengthwiseand
crosswise.Checkthiscarefully
onavehiclewithairsuspension.
Notethattheenginemaybe
inclinedupto4°dependingonthe
vehiclemodelandwheelbase.
3.Twistthedipstickhandletounlock
it,thenpullthedipstickoutofthe
holder.
4.Wipethedipstickcleanwitha
lint-freecloth.
5.Placethedipstickbackintothe
holder.
6.Pullthedipstickoutagainand
checktheoillevel.Theoillevel
shouldalwaysbebetweenthe2
marksonthedipstick.
5-100Y53-6060-1C1(03/17)
5
ENGINE
7.Reinstallthedipstickandtwistto
lockitinplace.
1.EngineOilHighLevel
2.EngineOilLowLevel
ToppingUptheEngineOil
1.Topupwithoil,ifnecessary,via
thelleropening.Usethecorrect
gradeinthecorrectquantity.For
oilreplacement,pleaseseeengine
Operator’sManualincludedwith
thischassis.
2.Aftertoppingup,wait1minuteand
checktheoillevelagain.
3.Reinstalltheoilllcapandtwist
tolockitinplace.
PipeandHoseClamps
Usethefollowingtablefortorque
specicationstocheckpipeandhose
clamps.
(03/17)Y53-6060-1C15-101
5
ENGINE
PipeandHoseClampTorqueValues
TORQUEAPPLICATIONAPPROVEDCLAMP
NmLb-In
Radiator&HeatExchangerHosesConstant-TorqueCT-L
10.2-12.590-110
HeaterHoses
ConstantT ension
notrequirednotrequired
AirIntakePipesHi-TorqueHTM-L11.3-14.2100-125
FlexSeal667
7.9-11.370-100
ChargeAirIntakeHoses
B92966-750-60
Fuel,Oil&WaterHeatExchangers
(forhoseslessthan9/16diameter)
Miniature3600L1.1-1.710-15
ExhaustClamps
BreezeV-Band54480
AccessoryDriveBelts
Youcanextendthereliabilityand
servicelifeofyourvehicle'sdrivebelts
withproperattentiontoinstallation,
andmaintenance.Neglectcould
causebeltfailure.Theresultcouldbe
thelossoftheelectricalorairsystem
aswellaspossibleenginedamage
fromoverheating.Soit'saverygood
ideatocheckyourbeltsfrequentlyand
replacethemassoonasyoudetect
trouble.
Followthisproceduretoinstallan
accessorydrivebelt:
1.Routethenewbeltaroundthe
pulleys,andthenrotatethe
automatictensionersothatthe
idlerpulleyswingstowardthe
beltrouting.Thefollowinggure
showsanexampleoftherotation
directiontoreleasethetensioner.
2.Slipthebeltaroundtheidler
pulleyattachedtotheautomatic
tensioner.
3.Releasetheautomatictensioner.
4.Checkthebeltalignmentoneach
pulley.Thebeltmustfallbetween
theangesofeachpulley.
5-102Y53-6060-1C1(03/17)
5
ENGINE
NOTE
Seetheenginemanufacturer'soper-
ator'smanualforfurtherinformation
onreplacingenginedrivebelts.
EngineFan
WARNING!
Donotworkonthefanwiththeen-
ginerunning.Theenginefancan
engageatanytimewithoutwarn-
ing.Beforeturningontheignition,
besurethatnooneisnearthefan.
Failuretocomplymayresultindeath
orpersonalinjury.
Yourtruckmaybeequippedwithan
On/OfforViscousFanDrive.Follow
theseguidelinestocheckyourengine
fan:
Checkthefanbearingsforfanhub
bearinglooseness,lossoflubricant
andanyabnormalconditions.(For
example,fanbeltmisalignedor
excessivewear/damage.)Before
startingtheengineandwiththeengine
off,lookandfeelforloosenessinthe
fanhub.
Withtheengineidlingandthehood
open,standatthefrontofthevehicle.
Listenforanynoisescomingfrom
thefanhub.Bearingsthathavelost
lubricant,andaredry,willtypicallyemit
asquealoragrowlwhentheengineis
atoperatingtemperatureandthefan
clutchisengaged.Ifnoiseisdetected,
havethefanbearingsinspectedbyan
authorizeddealership.
(03/17)Y53-6060-1C15-103
5
ENGINE
FanDriveandBlade
WARNING!
Donotworkonthefanwiththeen-
ginerunning.Theenginefancan
engageatanytimewithoutwarning.
Beforeturningontheignitionbesure
thatnooneisnearthefan.Failure
tocomplymayresultindeathorper-
sonalinjury.
FanBladeClearance:Aroundthefan
shroud,therecommendeddistance
is1in.(25mm)fromfrontedgeof
anyfanblade-to-radiatorsidemember.
Minimumclearanceis3/4in.(19mm).
•Rearedgeofanyblademustbe
nocloserthan3/8in.(9mm)to
thenearestenginecomponent.If
thiscannotbeobtained,thefan
spacerorfanisnotcorrect.
•Theleadingedgeofanyfanblade
mustbe1in.(25mm)fromthe
insideedgeoftheshroud.
AirIntakeSystem
Engineheat,vibration,andage
combinetoloosenairintake
connectionsandcausecracksin
thetubingandelbows.Leaksinthe
intakesystemallowabrasivedustto
entertheengineandquicklycause
expensivedamage.Duringyourdaily
walk-aroundinspection,carefully
checkalltubing,elbows,clamps,
supportsandfastenersforcondition
andtightness.
•ChecktheCharge-Air-Coolerfor
airleaksannually.Theairleaks
canbecausedbycrackedtubes
orheader.Forserviceseeyour
authorizeddealer.
CAUTION
Donotuseairintakepipesandcon-
nectionsasasteportopullyour-
selfup.Thiscouldloosenthecon-
nectionsandopenthesystemtoun-
lteredairwhichcoulddamagethe
engine.
5-104Y53-6060-1C1(03/17)
5
ENGINE
Turbocharger
Whenservicingtheairintakeand
exhaustsystemsonaturbocharged
engine,checktheitemslistedbelow.
WARNING!
Donotoperateenginewithtur-
bochargerintakepipingdiscon-
nected.Asuctioniscreatedwhen
theengineisrunning.Thissuction
coulddrawyourhandoranything
elsenearitintotheimpellerfan.You
couldbeinjured.Alwayskeepthe
intakepipingconnectedwhenyou
willberunningtheengine.
LubricatingSystem:Checktheoil
lines,housing,andconnections.Look
forleaks,damage,ordeterioration.
Leakscouldmeanyouhavedamaged
oillinesoroilseals.
Manifold:Withtheengineoperating,
checkforleakingmanifoldorange
gaskets.
HighFrequencyVibration:Vibration
mayindicateturborotorimbalance.
Haveyourdealerinvestigatethis
immediately.Ifyoudetectany
deciencies,takethevehicletoan
authorizeddealerforservicing.Delay
couldleadtosevereandexpensive
damagetoyourvehicle.
AirCleaners
Thefollowingserviceinformationis
basictoallaircleanermakesand
models.
CAUTION
Failuretoreplaceairlteratproper
intervalsmayresultinpassageof
dirt/debrisintotheengineorthe
"dusting"ofanengineresultingin
signicantenginedamage.
Servicethelterelementswhenthe
AirCleanerRestrictiongauge(option)
locksintheextremeHighposition.
Havetheelementservicedata
PeterbiltDealerorAuthorizedService
Center.Paperelementsrequirecare
andproperhandling,becausetheyare
criticaltoengineservicelife.Service
theaircleanerperiodically.Ifthe
vehicleoperatesinareaswithheavy
dust,maintenanceshouldbemore
(03/17)Y53-6060-1C15-105
5
ENGINE
frequent.Followtheinstructionsbelow
toremovetheairlter.
AirIntakeAssembly
AirFilterReplacement
Toremovetheairlter:
1.Removethetwothumbscrews.
2.Removeaircleanerservicecover.
3.Removethelterelement.
4.Cleanouttheinsideoftheair
cleanerbodyandoutlettubewith
adryrag.
Toinstallaircleanerelement:
1.Slideaircleanerelementinto
housing.
2.Installaircleanerendcap.
3.Installthumbscrewsaroundair
cleanerhousingendcap.
NOTE
Theaircleanerisinternallysealed
byaradialsealaroundInlettube
ofaircleanerelement.Forfur-
therinformationonservicingtheair
cleaner,seetheMediumDutyMain-
tenanceManual.
5-106Y53-6060-1C1(03/17)
5
ENGINE
ServiSignal™MiniIndicator
TheServiSignal™MiniIndicatoris
installedontheaircleanerorair
inductionpipingsoithasaccessto
cleanlteredair.Asthelterplugs
andrestrictionincreases,aredag
appearsinthewindow.Whenit
reachestheredzone,theairlter
shouldbereplaced.Theindicatorcan
beresetbypressingthebuttonatthe
endoftheindicator.
ExhaustSystem
Theexhaustsystemispartofthe
noiseandemissioncontrolsystem.
Periodicallychecktheexhaustfor
wear,exhaustleaks,andlooseor
missingparts.FordetailsseeNoise
andEmissionControlonpage5-122.
PleaserefertotheEngineOperator's
Manualformoredetailsonhowto
maintaintheemission'scomponentsin
theexhaustsystem.
EngineMounting
PeriodicInspection:Inspectengine
mountsevery60,000miles(96,560
km).Checkforthefollowing:
•Inspectbothmountandleg
fasteners.Checkforloose
orbrokenbolts.Replaceas
necessary.
•Checkmountandlegforfractures,
breaksordeformation.Replace
asnecessary.
•Checkforcompleteinsertion
ofmotormount.Replaceas
necessary.
•Newlegtomountangehead
boltsshouldbetorquedto210-230
Lb-Ft(284-311Nm).
(03/17)Y53-6060-1C15-107
5
ENGINE
CAUTION
Donotre-torqueorreuseexisting
angeheadbolts.Theseboltsare
factorysettothespeciedtorque.
Ifboltsarelooseordamaged,they
mustbereplacedwiththenewbolts.
Failuretocomplymayresultin
equipmentorpropertydamage.
5-108Y53-6060-1C1(03/17)
5
FUELSYSTEM
FUELSYSTEM
LocationofFuelShut-off
Valves
Fuelshut-offvalvesforthefuel
crossoverlineareonthebottomofthe
secondaryfueltank,atthecrossover
lineconnection.Theyareoptionalon
theprimaryfueltank.
Specication
Useonlydieselfuelasrecommended
byenginemanufacturers.
WARNING!
Amixtureofgasolineoralcoholwith
dieselfuelinthepresenceofanig-
nitionsource(suchasacigarette)
couldcauseanexplosionresulting
indeathorpersonalinjury.Useonly
therecommendeddieselfuel.
CAUTION
Ifanyoneeverpoursgasolineinto
yourfueltank,draintheentiresys-
tem.Otherwise,thepumpanden-
ginewillbedamaged.Don’ttryto
dilutethegasolinebyaddingdiesel
fuel(SeeWarningabove).
FuelFilters
SeeEngineManufacturer’sOperator
Manualprovidedwiththischassis
ortheinstructionsprovidedwitha
Fleetguardlter.
(03/17)Y53-6060-1C15-109
5
FRAME
FRAME
Introduction
WARNING!
Donotcut,spliceorweldframe
railsordrillthroughthetoporbot-
tomangesoftherails.These
operationscouldaffectframerail
strengthleadingtoafailureresulting
inanaccident.Railfailuresre-
sultingfromsuchmodicationsare
notwarrantable.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
EmergencyWelding
WARNING!
FrameweldingisNOTrecom-
mended.Thehighheatofwelding
nulliesthespecialheattreatment
oftherails,greatlyreducingtheten-
silestrengthoftheframerail.Ifa
framememberbecomescracked
fromoverloading,fatigue,surface
damageoracollision,theonly
permanentrepairistoreplacethe
damagedframememberwithanew
part.
Inanemergency,atemporaryrepair
maybeperformed.Observethe
followingprecautionstoprotect
electronicsystemsduringwelding
operations.Emergencywelding
proceduresarefurtherexplainedinthe
maintenancemanuals.Pleasereferto
theorderinginformationontheback
covertoobtainamaintenancemanual.
WeldingPrecautions
Intheeventofemergencyweldingofa
framerailandwhenweldinganyother
partofyourtruckoranycomponent
attachedtoyourtruck,observethe
followingprecautionsbeforewelding:
•Disconnectallelectronicdevices.
Itisnotpossibletolistallofthe
electronicsthatcouldbeaffected,
butafewexamplesincludethe
following:alternator,engine
ElectronicControlUnit(ECU),
transmissionECU,ABSECU,
navigationdevices,diagnostic
devices,andmonitoringdevices.
•Disconnectbatterycablesand
insulatethemfromthevehicle.
•DonotusetheECUorengine
groundstudforthegroundofthe
weldingprobe.
•Ensurethatthegroundconnection
forthewelderisasclosetothe
5-110Y53-6060-1C1(03/17)
5
FRAME
weldpointaspossible.This
ensuresmaximumweldcurrent
andminimumrisktodamage
ofelectricalcomponentsonthe
vehicle.
Painting
Donotelectrostaticallypaintyour
truckoranycomponentonyour
truckwithoutrstremovingallof
theelectroniccomponentsfromthe
truck.Itisnotpossibletolistallof
theelectronicsthatcouldbeaffected,
butafewexamplesincludethe
alternator,engineElectronicControl
Unit(ECU),transmissionECU,ABS
ECU,navigationdevices,diagnostic
devices,andmonitoringdevices.
FifthWheelMaintenance
Properpreventivemaintenanceis
essentialtotrouble-freeserviceand
safeoperationofthefthwheel.
Every15,000milesormonthly:
•Refertospecicmanufacturer's
literatureforanyspecial
instructions.
•Steamcleanthefthwheel.
•Checklockguardoperationusing
acommerciallocktester.
•Cleanandoilallmovingparts.
•Lubricatethelockmechanismwith
alithium-basegrease.
•Allgreasettings(especiallythose
whichgreasethetopsurfaceof
thefthwheel).
(03/17)Y53-6060-1C15-111
5
FRAME
Every60,000milesor6months:
•Refertospecicmanufacturer's
literatureforanyspecial
instructions.
•Removefthwheelfromvehicle.
RefertotheShopManual,"Fifth
WheelRemoval."
•Steamcleanthefthwheeland
mountingbrackets.
•Checkallmovingpartsfor
excessivewearordamage.
Replaceallwornorbrokenparts.
•Completetwo-monthservice
procedure.
•Installfthwheel.Referto
theShopManual,"FifthWheel
Installation."
FrameFastenerTorque
Requirements
Tightenallframefastenerswitha
torquewrench.Torquespecications
applytothefollowingfastenerswith
lightlylubricatedthreads.
NOTE
Wheneverpossible,torqueallframe
fastenersonthenutend,notthebolt
head.
StandardGrade8UNForUNCandMetric
TORQUE*FAS-
TENER
SIZE
Nm
Lb-Ft
5/16
22-3016-22
3/8
41-5430-40
7/16
75-8855-65
1/2
109-12280-90
9/16
156-190115-140
5/8
224-265165-195
3/4
394-462290-340
7/8
517-626380-460
1952-1,129700-830
1-1/8
1,346-
1,591
990-1,170
1-1/4
1,877-
2,217
1,380-
1,630
METRICWITHNYLONINSERTNUTS
M58-126-9
M69-157-11
M823-3117-23
M1033-4324-32
5-112Y53-6060-1C1(03/17)
5
FRAME
TORQUE*FAS-
TENER
SIZE
Nm
Lb-Ft
M1275-101
55-75
M16163-217120-160
M20352-460260-340
*ESNAStyleLockNut,withnyloninsert.
LubricatenyloninsertnutlightlywithSAE
20/30oil.
SlidingFifthWheels
Lubricatebearingsurfaceofsupport
bracketthroughthegreasettingson
thesideofthefthwheelplate.Usea
waterresistantlithium-basegrease.
NOTE
Theplatemustbeliftedupslightly
torelievetheweightofthebracket
whileapplyinggrease.
(03/17)Y53-6060-1C15-113
5
FRONTAXLEANDSUSPENSION
FRONTAXLEAND
SUSPENSION
AxleLubrication
Changebearinglubricationwhenseals
arereplaced,orbrakesarerelined.
SeePreventiveMaintenanceSchedule
onpage5-12.
Thoroughlycleanhubsandbearings
withsolventandastiffbristlebrush,
thendryandinspectcomponentsfor
wearordamage.Re-lubricatewith
approvedaxlelubricant.
KingpinLubrication
Lubricatewithapprovedlubricant.
Lubricateknucklethrustbearings,
knucklepins,andtierodends.See
PreventiveMaintenanceSchedule
onpage5-12.Lackoflubrication
causesprematurewearandhard
steering.Lubricationschedulemaybe
shortenedifnecessary.
SuspensionLubrication
Eachstandardspringanchorpin
hasagreasetting.Pressure
lubricatespringpinsasspecied.See
PreventiveMaintenanceScheduleon
page5-12.
Atregularintervals,thespringleaves
maybelubricatedwitharust-inhibiting
oilappliedwithaspraygunorbrush.
Dependingonyoursuspension,
lubricateallspringpinsuntilgrease
owsoutofbothendsofthebushing.
Lookforsignsofrustorwaterinthe
ushedgrease.Ifapinwillnotaccept
grease,itshouldberemoved,cleaned,
andinspected.
CAUTION
Donotspraythesuspensionwith
chemicalproductsormineraloil;it
cancausedamagetothebushings.
5-114Y53-6060-1C1(03/17)
5
FRONTAXLEANDSUSPENSION
Inspection
Forallvehicles,mandatory
maintenanceproceduresinclude
retighteningallU-boltsandinspecting
thesuspensionforloosefasteners,
abnormalwear,ordamage.However,
evenwithpropermaintenance,the
servicelifeofleafspringsisaffected
bymanyfactors,suchas:fatigue,
vehiclegrossweight,typeofload,road
conditions,andvehiclespeed.
Checkforcracks,wearmarks,splits,
orotherdefectsonthesurfaceof
thespring.Defectivepartsmustbe
replaced.Becauserepairedsprings
cannotbefullyrestoredtotheiroriginal
servicelife,replacethecomplete
assemblyifcracksorotherdefectsare
detected.
Visuallyinspectshockabsorbersand
rubberbushings.
WheelAlignment
Fordrivingsafetyandcomfort,and
toprolongthelifeofyourvehicle,it
isimportanttohavewheelscorrectly
aligned.Checktirewearfrequently.
Uneventirewearisasignthatthe
wheelsmaybemisaligned.
Ifyouseeunevenwear,takeyour
vehicletoanauthorizeddealerfamiliar
withaligningwheelsonyourvehicle.
(03/17)Y53-6060-1C15-115
5
FRONTAXLEANDSUSPENSION
U-BoltTorque
ItisimportantthatU-boltsremaintight.
Severeuseofyourvehiclewillcause
themtoloosenfaster.Butallvehicles
needtohavetheirU-boltscheckedand
tightenedregularly.Besuresomeone
withthepropertrainingandtheright
toolschecksandtightenstheU-bolts
onyourvehicle.
Newspringscansettleinafterservice,
relievingthetensionontheU-bolts.
LooseU-boltscancauseleafspring
breakage,axlemisalignment,hard
steeringandabnormaltirewear.
Allvehiclesshouldhavesuspension
U-boltstightenedaftertherst500
miles(800km)ofoperation.Re-torque
thefrontspringpinchboltsandshackle
pinchbolts.
WARNING!
Donotoperatethevehicleifthe
U-boltsarenotproperlytightened.
LooseU-boltswillcausetheaxle
tonotbeproperlysecuredtothe
suspension,whichcouldcauseloss
ofvehiclecontrolandanaccident.
LooseU-boltscanalsocauseun-
eventirewearandpooralignment.
Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
U-boltsaredifculttotightenunless
youhavetherightequipment.Ifyou
cannottightenthemcorrectlyyourself,
besuretohavethemcheckedand
tightenedregularlybyanauthorized
mechanic.
TightenU-boltnutstothespecied
torquevaluewiththevehicleloadedto
itsnormalgrossweight.Thefollowing
torquevaluesapplytoU-boltsand
nutswithcleanthreadslubricatedwith
Chevronzinclubricant(SAE20or30
oilsacceptablebutnotpreferred).
WARNING!
DonotreplaceU-boltsandnutswith
commonU-boltsorstandardnuts.
Thesepartsarecriticaltovehicle
safety.IfthewrongU-boltsornuts
areused,theaxlecouldloosenor
separatefromthevehicleandcause
aseriousaccident.UseonlyU-bolts
andnutsofSAEGrade8speci-
cationorbetter.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
5-116Y53-6060-1C1(03/17)
5
FRONTAXLEANDSUSPENSION
FrontSpringSuspensionU-Bolts,Grade8
TORQUEU-BOLT
SIZE
DIAME-
TER
(InchDi-
mensions)
NmLb-Ft
3/4
333-408245-300
7/8
598-734440-540
1925-1,060680-780
1-1/8
1,470-
1,660
1,080-
1,220
1-1/4
1,890-
2,120
1,390-
1,560
1-1/2
3,130-
3,860
2,300-
2,840
(03/17)Y53-6060-1C15-117
5
HEATERANDAIRCONDITIONER
HEATERANDAIR
CONDITIONER
Introduction
Thecombinationheater-airconditioner
providescomfortforthoseinthecab
throughaccuratecontrolofthecab
environmentinallweatherconditions.
Regularattentiontotheitemsbelow
willhelpyoukeeptheheater-air
conditionerunitrunningwell.
Keepthevehicle'sventilationsystem,
engineexhaustsystemandcab
jointsproperlymaintained.Itis
recommendedthatthevehicle's
exhaustsystemandcabbeserviced
asfollows:
•Inspectedbyacompetent
technicianevery15,000miles
•Wheneverachangeisnoticedin
thesoundoftheexhaustsystem
•Whenevertheexhaustsystem,
underbodyorcabisdamaged
Toallowforproperoperationofthe
vehicleventilationsystem,proceedas
follows:
•Keeptheinletgrilleatthebaseof
thewindshieldclearofsnow,ice,
leavesandotherobstructionsat
alltimes.
•Keeptheexhaustpipeareaclear
tohelpreducethebuildupof
exhaustgasunderthevehicle.
•Checkthedraintubeofthefresh
airinletfortrappedwaterbefore
assumingthatthereisaleakinthe
heatingsystem.
5-118Y53-6060-1C1(03/17)
5
HEATERANDAIRCONDITIONER
SpecialPrecautions
WARNING!
Excessiveheatmaycausethepres-
surizedcomponentsoftheaircon-
ditioningsystemtoexplode.Never
weld,solder,steamclean,orusea
blowtorchnearanypartoftheair
conditioningsystem.Failuretocom-
plymayresultindeath,personalin-
jury,equipmentorpropertydamage.
WARNING!
Airconditioningrefrigerantcanbe
hazardoustoyourhealth.Donot
exposeyourselftoleakingrefriger-
antforprolongedperiodsnearex-
cessiveheat,openames,orwith-
outproperventilation.Failuretodo
somayresultindeathorpersonalin-
jury.
Ifarefrigerantleakdevelopsinthe
presenceofexcessiveheatoran
opename,hazardousgasesmaybe
generated.Ifyoubecomeawareofa
refrigerantleakonyourvehiclehave
yoursystemservicedimmediatelyand
observethefollowingprecautions:
Stayawayfromthehotengineuntilthe
exhaustmanifoldhascooled.
Donotpermitanyopenameinthe
area.Evenamatchoracigarette
lightermaygenerateahazardous
quantityofpoisonousgas.
Donotsmokeinthearea.Inhaling
gaseousrefrigerantthroughacigarette
maycauseviolentillness.
(03/17)Y53-6060-1C15-119
5
HEATERANDAIRCONDITIONER
AirFilters
CabinFreshAirFilter
Thecabairconditioninglterislocated
insidethecabbehindthepassenger
sidekickpanel(locatedbelowthe
glovebox).Afterremovingtherequired
panels,theltercanbepulledfromthe
blowerunitwithoutusinganytools.
ToremovetheHVACaccesspanel:
pullpaneloutfromthebottomto
releasetheclips,thenpivotthepanel
outwardsothetabsatthetopallow
thepaneltodropdown.
HVACAccessPanel
Inspectandcleancabairlter
elementevery3-6monthsof
service.Dependingontheoperating
environment,ifairowfromtheair
conditionerandheaterislessefcient
orwindowsfogeasier,youmayneed
toreplacethecabairlter.
Heater
•Checkallheatercontrolsfor
full-rangeoperation.
•Checkhoses,connections,and
heatercoreforconditionand
leaks.
CAUTION
Duringextremecoldweather,donot
blowhotdefrosterairontocoldwind-
shields.Thiscouldcracktheglass.
TurntheairdirectionlevertoDefrost
andadjustthefanspeedaccordingly
whiletheenginewarms.Iftheen-
gineisalreadywarm,movethetem-
peratureselectortoCool,thengrad-
uallyincreasethetemperaturewhen
youseethatthewindshieldisstart-
ingtowarm-up.
5-120Y53-6060-1C1(03/17)
5
HEATERANDAIRCONDITIONER
AirConditioner
WARNING!
Theairconditioningsystemisunder
pressure.Ifnothandledproperly
duringservicing,itcouldexplode.
Anyservicingthatrequiresdepres-
surizingandrechargingtheaircon-
ditioningsystemmustbeconducted
byaqualiedtechnicianwiththe
rightfacilitiestodothejob.Failure
tocomplymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
•Listentothecompressoranddrive
clutchfornoiseandvibration.
Ifyoundproblems,havethe
systemcheckedthoroughly.A
malfunctioningclutchusually
indicatestroubleelsewhereinthe
system.
•Checktheevaporatorcore,lter,
andcondensercorefordebris
restrictingairow.Cleanif
necessary.Smallparticlesmay
beremovedwithcompressed
airblownthroughthecoreinthe
oppositedirectionofnormalair
ow.
WARNING!
Weareyeprotectionanytimeyou
blowcompressedair.Smallparti-
clesblownbycompressedaircould
injureyoureyes.
•Checktheenginebeltforcondition
andpropertension.
•Checkallhosesforkinks,
deterioration,chang,andleaks.
Adjustkinkedorchanghosesto
eliminaterestrictionsandprevent
furtherwear.
•Checkallcomponentsand
connectionsforrefrigerantleaks.
Ifyoudiscoveraleak,donottryto
tightenaconnection.Tightening
aconnectionmaycausealeak
toworsen.Haveaqualied
techniciancorrecttheproblem.
NOTE
Aleakingevaporatororcondenser
corecannotberepaired;itmustbe
replaced.
Havetheairconditioningsystemfully
servicedannuallybyyourauthorized
dealer.Qualiedservicetechnicians
willhavetoevacuateandrechargethe
system.
(03/17)Y53-6060-1C15-121
5
NOISEANDEMISSIONCONTROL
NOISEANDEMISSION
CONTROL
NoiseEmissionWarranty
Therearespeciccomponentson
thevehiclethataredesignedtomeet
certainEPAemissionsandnoise
regulations.Tomaintainconformance
withtheregulations,thesecomponents
needtobefunctionalandproperly
maintained.
TamperingwithNoiseControl
System
Federallawprohibitsthefollowing
actsorthecausingthereof:
(1)Theremovalorrendering
inoperativebyanypersonotherthan
forpurposesofmaintenance,repair,or
replacement,ofanydeviceorelement
ofdesignincorporatedintoanynew
vehicleforthepurposeofnoisecontrol
priortoitssaleordeliverytothe
ultimatepurchaserorwhileitisinuse,
or(2)theuseofthevehicleaftersuch
deviceorelementofdesignhasbeen
removedorrenderedinoperativeby
anyperson.
Amongthoseactspresumedto
constitutetamperingaretheactslisted
below:
5-122Y53-6060-1C1(03/17)
5
NOISEANDEMISSIONCONTROL
AirIntakeSystem
•Removingorrenderinginoperative
theaircleaner/silencersorintake
piping.
EngineCoolingSystem
•Removingorrenderinginoperative
thefanclutch.
•Removingthefanshroud.
Engine
•Removingorrenderingengine
speedgovernorinoperativesoas
toallowenginespeedtoexceed
manufacturer'sspecications.
•ModifyingECUparameters.
ExhaustSystem
•Removingorrenderinginoperative
exhaustsystemcomponents.
FuelSystem
•Removingorrenderingengine
speedgovernorinoperative,
allowingenginespeedtoexceed
manufacturer'sspecications.
•Removingofairsignalattenuator
onenginesequippedwiththis
device.
•Removingofdieselexhaustuid
tankandsystem.
InnerFenderShieldsandCabSkirts
•Removingshieldorskirts.
•Cuttingawaypartsofshields,
skirtsordamagedorloose
portionsofshieldsorskirts.
NoiseInsulatingBlankets
•Removingnoiseinsulatorsfrom
engineblockorfromaroundthe
oilpan.
•Cuttingholesin,orcuttingaway
partofnoiseinsulators.
•Removinghood-mountednoise
insulation.
(03/17)Y53-6060-1C15-123
5
NOISEANDEMISSIONCONTROL
InspectionandMaintenance
Instructions
Thefollowinginstructionsarebasedon
inspectionofthenoisecontrolsystem
atregularintervalsasindicatedinthe
NoiseControlSystemMaintenance
Logonpage5-130.
If,duringperiodicinspectionand
maintenanceofothersystemsand
components,itisfoundthatpartsofthe
noisecontrolsystemrequireattention,
werecommendthatthosepartsbe
inspectedatmorefrequentintervals
toassureadequatemaintenanceand
performance.
AirIntakeSystem
•Doallchecksandmaintenance
procedureslistedinthismanual
underEngineAirIntakeSystem
andAirCleaner.SeeAirDryeron
page5-57.
•Checktheinductiontubing,elbow
connections,clamps,brackets,
andfastenersfordeterioration,
cracks,andsecurity.
•Ifyoundanairleakanywhere
betweentheaircleanerand
theengine,repairthatleak
immediately.
CAUTION
Airleakscauseexcessivenoiseand
mayresultinseriousdamagetothe
engine.Ifyoudonotrepairthemthe
enginedamagewillnotbecovered
byyourwarranty.Repairallairleaks
assoonasyoundthem.
EngineMountedNoiseInsulators
•Checkcondition.Istheinsulator
secure?Howyoudothiswill
dependonthemethodofattaching
thenoiseinsulatorsontheengine
andaroundtheoilpan(bolts,
snapfasteners,orstraps).Tighten
loosefastenersandrepairor
replaceanywornordamaged
fasteners.
•Checkinsulatorsaroundfasteners
andstresspoints,especially
wheretheymaybeaffectedby
enginevibration.Repairany
crackedordamagedmounting
points.Usesuitablereinforcing
platestoensurethattheinsulators
willremaininposition.
5-124Y53-6060-1C1(03/17)
5
NOISEANDEMISSIONCONTROL
ExhaustSystem
•Checkforexhaustleaks,
whichwouldindicatealeaking
manifoldgasket;replacegasketif
necessary.
•Checkcapscrewsfortightness,
includingthoseattheanges.
Refertotheenginemanufacturer's
servicemanualforproper
tighteningsequenceandtorque
values.
JointsandClamps
•Checkforleaks,andtightenas
necessary.Checkfordeterioration
ordentsinpipesandclampswhich
couldallowexhausttoescape.
•Replaceanyserviceablejoints,
exiblepipesandgasketsatthe
serviceintervals.
SelectiveCatalystReduction(SCR)
•CheckSCRcanisterlter,clamps
andmountingbrackets.Tightenif
necessary.InspectSCRcanister
forsignsofrustorcorrosion.
(03/17)Y53-6060-1C15-125
5
NOISEANDEMISSIONCONTROL
Piping
•Checkexhaustpipingforrust,
corrosion,ordamage.Replace
deterioratedpipingbeforeholes
appear.Ifpipingisperforatedat
anypoint,temporarypatchingor
laggingisacceptableuntilyoucan
havepermanentrepairsmade.
Onturbochargedengines,check
jointsatangesandmounting
bracketsfortightness.
DieselParticulateFilters(DPF)
•Checkdieselparticulatelter
(DPF),clamps,andmounting
brackets.Tightenifnecessary.
Inspectdieselparticulatelter
(DPF)forsignsofrustorcorrosion.
•Checkinternalbafing.Youcan
dothisbylisteningforrattling
soundswhiletappingonthediesel
particulatelter(DPF)witha
rubbermalletorrevvingtheengine
upanddownthroughitsnormal
operatingrange.
DieselExhaustFluidTank
Vehiclesthatcomplywith2010EPA
emissionrequirementswillhavea
DieselExhaustFluid(DEF)tank
mountedtothevehicleframe.
DEFlter
TheDEFsystemhasasupply
pumplterandthisltershouldbe
servicedaccordingtothepreventive
maintenanceschedule.Followthese
5-126Y53-6060-1C1(03/17)
5
NOISEANDEMISSIONCONTROL
stepstoreplacetheDEFsupplypump
lter:
1.Turnoffthevehicleandallowthe
vehicletocooldown.Takespecial
precautionwithhotexhaustpiping.
WARNING!
Theexhaustpipingcanbecomeex-
tremelyhotduringengineoperation
andcancausepersonalinjuryinclud-
ingseriousburnstotheskin.Allow
adequatecoolingtimebeforework-
ingnearanypartoftheexhaustsys-
tem.
2.Removethepumpprotectiveplate
mountedonthebottomoftheDEF
tank.
3.Usinga27mmsocketwrench
(DIN3124),removetheltercap
thatisscrewedtotheDEFSupply
pump.
(03/17)Y53-6060-1C15-127
5
NOISEANDEMISSIONCONTROL
ExhaustTailPipe
•Checkthemounting.Tightenas
necessary.Themitercutatthetip
ofthepipemustbefacingtherear
ofthevehicle.Donotmodifythe
endofthepipeinanyway.
EngineFanandShroud
WARNING!
Donotworkonthefanwiththeen-
ginerunning.Theenginefancan
engageatanytimewithoutwarning.
Anyonenearthefanwhenitturnson
couldbeinjured.Beforeturningon
theignition,besurethatnooneis
nearthefan.
•Checkallfastenersfortightness.
Checkforstresscracksinthe
shroud.Makesuretheshroudis
adjustedsothatitdoesnottouch
thefanblades.
•Checktoverifythatthefanis
disengaged(notturning)with
theenginerunningatnormal
operatingtemperatures(fromcold
tothepointthatthefanengages).
•Checkfanblademountingbolts.
Inspectfanbladestobesurethey
arenotcrackedorbent.
HoodInsulationBlanket
•Checkallfastenersforcondition
andsecurity.Repairorreplace
anybrokenordefectivefasteners.
•Checkforchangortears.Patch
itifnecessary.Findthecauseof
thedamage.Ifanycomponent
oraccessoryiscausingwearor
damageandcannotberelocated,
putreinforcingpadsontheblanket
atthesiteofwear.
5-128Y53-6060-1C1(03/17)
5
NOISEANDEMISSIONCONTROL
InnerFenderShieldsandCabSkirts
•Checkallfastenersthatholdthe
fendershieldsinplace.
•Checkfendershieldsfortire
marks,wornspots,ordamage
fromobjectsthrownfromtire
treads.
•Checkcabskirts,sills,and
bracketsforoverallcondition
andrepairthemasnecessary.
Damagedrubberfendershields
orcabskirtingcannotberepaired.
Youwillneedtoreplaceit.
NoiseControlSystem-
MaintenanceLog
Toensureyourvehiclesnoisecontrol
requirementsaremaintained,record
maintenancechecks.Usethe
followinglogsheetandretaincopies
ofdocumentsregardingmaintenance
servicesperformedandpartsreplaced
onthevehicle.
(03/17)Y53-6060-1C15-129
5
NOISEANDEMISSIONCONTROL
NoiseControlSystem-MaintenanceLog
Component
Recom-
mended
Interval
(Miles)
Date&R.O.
No.
Repair
Facility&
Location
WorkPerfor-
med
Date&R.O.
No.
Repair
Facility&
Location
WorkPerfor-
med
Exhaust
System
Routing
Integrity
25,000
Shutters
Shrouds
25,000
Hood
Insulation
Blanket
10,000
Engine
Mounted
Hose
Insulators
Fasteners
10,000
InnerFender
Shields
50,000
CabSkirts
Fasteners
50,000
AirIntake
System
Integrity
Element
5,000
5-130Y53-6060-1C1(03/17)
5
NOISEANDEMISSIONCONTROL
Component
Recom-
mended
Interval
(Miles)
Date&R.O.
No.
Repair
Facility&
Location
WorkPerfor-
med
Date&R.O.
No.
Repair
Facility&
Location
WorkPerfor-
med
ClutchType
FanDrive
10,000
(03/17)Y53-6060-1C15-131
5
REARAXLEANDSUSPENSION
REARAXLEAND
SUSPENSION
GeneralMaintenance
WARNING!
Donotworkonthevehiclewithout
theparkingbrakesetandwheels
blockedsecurely.Ifthevehicleis
notsecuredtopreventuncontrolled
vehiclemovement,itcouldrolland
mayresultindeath,personalinjury,
equipmentorpropertydamage.
Yourvehicle'ssuspension,by
design,requiresaminimalamountof
maintenance.However,suspensions
inover-the-roadoperationsrequire
periodicinspectiontoensuretrouble-
freeperformance.
WARNING!
Donotoperatethevehicleifthe
U-boltsarenotproperlytightened.
LooseU-boltswillcausetheaxle
tonotbeproperlysecuredtothe
suspension,whichcouldcauseloss
ofvehiclecontrolandanaccident.
LooseU-boltscanalsocauseun-
eventirewearandpooralignment.
Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
WARNING!
Failuretomaintainthespecied
torquevaluesortoreplaceworn
partscancausecomponentsystem
failure,possiblyresultinginanac-
cident.Improperlytightened(loose)
suspensionU-boltscanleadtoun-
safevehicleconditions,including:
hardsteering,axlemisalignment,
springbreakageorabnormaltire
wear.SeeFrontSpringSuspension
U-boltsonpage5-117forproper
torquespecications.Failureto
complymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
CAUTION
Donotspraythesuspensionwith
chemicalproductsormineraloil;it
cancausedamagetothebushings.
5-132Y53-6060-1C1(03/17)
5
REARAXLEANDSUSPENSION
NOTE
Failuretofollowtheserecommenda-
tionscouldvoidwarranty.
VisualInspection
Forallvehicles,mandatory
maintenanceproceduresinclude
retighteningofU-boltsandcomplete
inspection.However,evenwithproper
maintenance,manyfactorsaffectthe
servicelifeofspringsandsuspension
components,suchas:fatigue,vehicle
grossweight,typeofload,road
conditionsandvehiclespeed.
ItisimportantthatU-boltsremaintight.
Severeuseofyourvehiclecancause
themtoloosenfaster.Butallvehicles
needtohavetheirU-boltscheckedand
tightenedregularly.Besuresomeone
withthepropertrainingandtheright
toolschecksandtightenstheU-bolts
onyourvehicle.
•Aftertherst500miles(800km)of
operation,inspectthesuspension
periodically,asnotedbelow:
•Visuallycheckforlooseormissing
fasteners,cracksinhangeroraxle
connectionbrackets.
•Checkthatspringsarecenteredin
hangersandingoodcondition.
•Checkforcracks,wearmarks,
splits,orotherdefectsonthe
surfaceofthespring.
•Replacedefectiveparts.Because
repairedspringscannotbe
fullyrestoredtotheiroriginal
servicelife,replacethecomplete
assemblyifcracksorotherdefects
aredetected.
•Afterreplacementofanypartor
discoveryofloosecomponents,
checkthetorqueofallfasteners.
•Newspringssettle-inafterthe
vehicle'sinitialservice,causing
theU-boltstobecomeloose.
(03/17)Y53-6060-1C15-133
5
REARAXLEANDSUSPENSION
RearSuspensionFasteners
Tomaintaintheperformanceofthe
airsuspension,checkfastenertorque
valuesaftertherst2,000miles(3,218
km)ofserviceandevery60,000miles
(96,000km)thereafter.
Torquerecommendationsapplyto
fastenerssuppliedandinstalledby
vehiclemanufacture.Thevalueslisted
inthetablesbelow,areforcadmium
platedorphosphateandoilfasteners
only.
U-boltsaredifculttotightenunless
youhavetherightequipment.Ifyou
cannottightenthemcorrectlyyourself,
besuretohavethemcheckedand
tightenedregularlybyanauthorized
mechanic.
U-BoltTorque
NOTE
Toensureanaccuratetorqueread-
ing,useproperlymaintainedand
calibratedtorquewrenches.Clean
thenutandbolt.Nodirt,grit,orrust
shouldbepresent.
WARNING!
Donotoperatethevehicleifthe
U-boltsarenotproperlytightened.
LooseU-boltswillcausetheaxle
tonotbeproperlysecuredtothe
suspension,whichcouldcauseloss
ofvehiclecontrolandanaccident.
LooseU-boltscanalsocauseun-
eventirewearandpooralignment.
Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
NOTE
Wheneverpossible,torqueallfas-
tenersonthenutend,notthebolt
head.
RearSuspensionFasteners(Metric&
Standard)
TORQUE*SIZE/
TYPE
NmLb-Ft
M16nylon-
insertnuts
163-217120-160
M20nylon-
insertnuts
352-460260-340
M20all-
metallock
nuts
427-475315-350
1/2in.nut
109-12280-90
3/4in.nut
394-462290-340
1-1/4in.
nut
1,877-
2,217
1,380-
1,630
*T orquerequirementsapplyto
manufacturerproprietarysuspensions.All
othersuspensionsmustreferandadhere
tooriginalmanufacturersshopmanual.
5-134Y53-6060-1C1(03/17)
5
REARAXLEANDSUSPENSION
RearSuspensionU-Bolts,Grade8
(lubricated*)
TORQUE**U-BOLT
SIZE
DIAME-
TER
THREAD
NmLb-Ft
3/4
333-408245-300
7/8
598-734440-540
1925-1,060680-780
1-1/8
1,470-
1,660
1,080-
1,220
1-1/4
1,890-
2,120
1,390-
1,560
1-1/2
3,130-
3,860
2,300-
2,840
*ChevronZincLubricantorSAE20/30oil
shouldbeusedonU-Boltthreads
**Torquerequirementsapplyto
manufacturerproprietarysuspensions.All
othersuspensionsmustreferandadhere
tooriginalmanufacturersshopmanual.
•Loadthevehicletoitsnormal
grossweightbeforetightening
U-bolts.Loadingthevehicle
ensuresproperadjustmentofthe
U-boltandspringassembly.
WARNING!
DonotreplaceU-boltsandnutswith
commonU-boltsorstandardnuts.
Thesepartsarecriticaltovehicle
safety.IfthewrongU-boltsornuts
areused,theaxlecouldloosenor
separatefromthevehicleandcause
aseriousaccident.UseonlyU-bolts
andnutsofSAEGrade8speci-
cationorbetter.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
RearAxleLubrication
Checkoillevelwiththevehicleparked
onlevelgroundandtheuidwarm.
Thelevelshouldbeevenwiththe
bottomofthellerhole.
CAUTION
Donotmixlubricantsofdifferent
grades;although,mixingdifferent
brandsofthesamegradelubricant
(meetingMILL2105C),isaccept-
able.Lubricantsofdifferentgrades
arenotcompatibleandcoulddam-
agetheaxle.
(03/17)Y53-6060-1C15-135
5
REARAXLEANDSUSPENSION
NOTE
Inallcases,lubricantsupplieras-
sumesfullresponsibilityfortheper-
formanceoftheirproduct,andfor
productandpatentliability.
Forrecommendedtypesandbrandsof
lubricants,contactyourdealer.
DanaSpicerandFabco
NoinitialdrainisrequiredonDana
Spiceraxlesthatarefactorylledwith
anDanaSpicer-approvedsynthetic
lubricant.
•Petroleum-basedlubricantsmust
bedrainedwithintherst5,000
miles(8,000km)ifconvertingto
anapprovedsyntheticlubricant.
InitialChange:SeePreventive
MaintenanceScheduleonpage5-12
forstandardrearaxleserviceintervals.
Changemineral-basedlubricantin
otherDanaSpicerandFabcoaxle
assemblies(neworrebuilt)withinthe
rst3,000to5,000miles(4,800to
8,000km).
•Forpetroleum-basedaxles,use
lubricantsmeetingMILL2105C/D
gradespecicationsorapproved
syntheticlubrication.Donotuse
oiladditives.
AllVehicleswithDanaSpicer
andFabcoAxles:SeePreventive
MaintenanceScheduleonpage5-12.
Contactyourdealerforapproved
syntheticlubricantbrands.
•DanaSpicerAxleswithsynthetic
lubricationandOutRunnerSeals:
drain,ush,andrellat500,000
miles(804,000km).
AxleHousingBreatherVent:
•Checkandcleantheaxlehousing
breatherventateachoillevel
check.
Meritor:
•SeeMeritorLubrication
MaintenanceManual(MM1).
5-136Y53-6060-1C1(03/17)
5
REARAXLEANDSUSPENSION
RearAxleAlignment
Continualroadshockandload
stressesmayforcetherearaxles
outofalignment.Ifyoudetectrapid
tirewearontherearaxles,youmay
havemisalignedaxles.Ifyoususpect
rapidtirewear,haveyourrearaxle
alignmentcheckedandadjustedbyan
authorizeddealer.
Inadditiontopre-deliveryinspections,
suspensionalignmentshouldbe
checkedwhenanyoneofthefollowing
conditionsexist:
•Discoveryofloosesuspension
fasteners.(Loose,denedasany
torquebelowtherecommended
torquevalue.)
•Discoveryofelongatedholesina
suspensioncomponent.
•Bushingreplacement.
•Excessiveorabnormaltirewear.
(03/17)Y53-6060-1C15-137
5
STEERINGSYSTEM
STEERINGSYSTEM
PowerSteering
Oil(underlowpressure)providesthe
powertooperatethesteeringgear.It
alsoservestolubricatemovingparts
andremoveheat.Alossofsteering
efciencywilloccuriftoomuchheat
buildsupinthesystem.
WARNING!
Donotoperatethevehicleifthe
steeringsystemisnotworkingprop-
erly.Youcouldlosecontrolofyour
vehicleifthesteeringsystemisnot
ingoodworkingcondition,which
couldresultinaseriousaccident.
Fordrivingsafety,visuallycheck
thesteeringgearandcomponents.
Frequentchecksareimportantfor
drivingsafety,especiallyaftertrav-
elingoverroughroads.Failureto
complymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
Ifthesteeringfeelsunbalancedfrom
side-to-sidewhileturning,checkfor
thefollowingpossiblecauses:
•unequaltirepressures
•vehicleoverloadedorunevenly
distributedload
•wheelsoutofalignment
•wheelbearingsimproperly
adjusted
Ifyoucannotcorrecttheproblem,
checkwithanauthorizeddealer.
Yourvehicleisequippedwithintegral
powersteering.Thesystemincludes
anengine-drivenuidpump,auid
reservoir,thesteeringgear,and
connectinghoses.Becauseofthe
hydraulicpowerassist,littleeffortis
requiredtoturnthesteeringwheel.
Whennoinputisappliedthroughthe
steeringwheel,thesteeringgearwill
returntotheneutralposition.If,for
anyreason,thepowerassistsystem
goesout,steeringthevehicleisstill
possible,yetitwillrequiremuch
greatereffort.
Visuallycheckthefollowingparts:
•Crosstube:Isitstraight?
5-138Y53-6060-1C1(03/17)
5
STEERINGSYSTEM
•Draglinktubeclamp:Checkfor
loosenessorinterference.
•BalljointsandsteeringU-joints:
Checkforlooseness.
•Steeringwheelforexcessive
free-play.Checkthesimplest
probablecausesrst:
a.unequaltirepressures
b.loosecapnuts
c.bentcrosstube
d.lackoflubrication
•Ifthesechecksdonotrevealthe
problem,orifyoucorrectthem
andstillhaveasteeringproblem,
takeyourtrucktoanauthorized
dealerforevaluation.
FluidLevelandRell
Havethepowersteeringuidand
lterschangedatanauthorizeddealer.
CAUTION
Whenaddinguid,besuretouse
uidofthesametype.Whilemany
uidshavethesamedescriptionand
intendedpurpose,theyshouldnot
bemixedduetoincompatiblead-
ditives.Mixingincompatibleuids
mayleadtoequipmentdamage.
•Checkandcompletelychangethe
uidlevelaccordingtoPreventive
MaintenanceScheduleonpage
5-12.Usethefollowingprocedure:
NOTE
Beforeremovingreservoircover,
wipeoutsideofcoversothatnodirt
canfallintothereservoir.
•Maximum/Minimumlevelis
indicatedonthereservoir.These
samelevelsarealsoindicatedby
twolinesonthedipstickinthe
reservoir.
•Therearetwowaystocheck
whetherthepowersteeringuid
isatitsproperlevel.Bothchecks
arewiththeengineNOTrunning.
1.Ifyouchecktheuidwiththe
engineandsteeringsystem
COLD,theuidlevelshouldbe
at/orabovetheMinimumindicator
levelandshouldgenerallynot
exceedthemiddlepointbetween
MaximumandMinimumlevel
indicators.
2.Ifyouchecktheuidwiththe
engineandsteeringsystem
WARM,theuidshouldNOT
exceedtheMaximumlevel
indicatorandshouldgenerally
notdropbelowthemiddlepoint
(03/17)Y53-6060-1C15-139
5
STEERINGSYSTEM
betweentheMaximumand
Minimumlevelindicators.
FluidFilterReplacement
CAUTION
Servicingthepowersteeringsystem
withoutbleedingitoftrappedairmay
causedamagetothepowersteering
pump.
1.Replacebothuidandlterasper
thechartbelow.
2.Bleedthesystemifnecessary.
SteeringShaft
Thefollowingarecommontorque
specicationsformoststeeringshafts.
•TorqueonU–jointpinchboltand
nut(7/16in)74–81Nm(55to60
lb-ft),lubricated.
•TorqueonPitmanarmclampbolt
andnut(3/4in):406–433Nm(300
to320lb-ft),lubricated.
•Foroff–highwayvehicles,tighten
theU–boltsaftertherstdayor
twoofoperation.Thencheck
weekly.
5-140Y53-6060-1C1(03/17)
5
STEERINGSYSTEM
WARNING!
Ifthischassisisequippedwithan
electronicstabilitysystem(ESC)
andanypartofthesteeringsys-
tem(e.g.linkage,steeringdriveline,
column,front-endalignment,etc)is
repaired,removed,ordisassembled
inanyway,orifthesteeringan-
glesensorisreplaced,thesteering
anglesensormustberecalibrated.
Anyrepairsoradjustmentstoany
partofthesteeringsystemmustbe
performedbyanauthorizeddealer.
Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
(03/17)Y53-6060-1C15-141
5
DRIVELINE
DRIVELINE
DriveshaftMaintenance
Theslipjointsanduniversaljointsof
thedriveshaftshouldbelubricated
periodically.
Useagoodqualitylithium-soap-base
orequivalentextremepressure(E.P .)
grease:NLGIGrade2.
DanaSPLU-jointsanddriveshafts
shouldbeinspectedeverytime
avehiclecomesinforscheduled
maintenance(RefertoSpicer
DriveshaftservicemanualDSSM-0100
(3264-SPL)fordetailedinstructions).
UseonlySpicerDriveshaftapproved
lubricantswhengreasingSpicerSPL
U-joints.
U-Joints
Theslipjointsanduniversaljointsof
thedriveshaftshouldbelubricated
accordingtoPreventiveMaintenance
Scheduleonpage5-12.
Useagoodqualitylithium-soap-base
orequivalentextremepressure(E.P .)
grease:NLGIGrade2.
UseonlySpicerDriveshaftapproved
lubricantswhengreasingSpicerSPL
U-joints.
ForSPL170XLandSPL250XL,the
U-jointlubeintervalchangesafterthe
initiallubeat350,000miles.After
therstlubeinterval,theU-joint
needslubricationevery150,000miles.
InspectionoftheU-jointsisthesame
regardlessofwhentheU-jointgrease
intervalhappens.
WARNING!
ImproperlubricationofU-jointscan
causethemtofailprematurely.The
driveshaftcouldseparatefromthe
vehicleandresultinanaccident.
Makesurelubricantispurgedatall
fourendsofeachU-jointandloosen
capsifnecessary.Also,regularly
inspectU-jointsforexcessivewear
ormovement,andrepairorreplace
asnecessary.Failuretocomply
mayresultindeath,personalinjury,
equipmentorpropertydamage.
5-142Y53-6060-1C1(03/17)
5
TIRESANDWHEEL
TIRESANDWHEEL
Tires
WARNING!
Donotrepairdamagedtiresunless
youarefullyqualiedandequipped
todoso.Wheelandtireassem-
bliescannotbeworkedonwithout
propertoolsandequipment,such
as:safetycagesorrestrainingde-
vices.Havealltirerepairsper-
formedbyanexpert.Standaway
fromthetireassemblywhiletheex-
pertisworking.Failuretodothis
mayresultindeathorinjury.
Yourtiresareaveryimportantpartof
yourvehicle’swholebrakingsystem.
Howfastyoucanstopdependsin
largemeasureonhowmuchfriction
yougetbetweentheroadandyour
tires.Inaddition,keepingyourtiresin
goodconditionisessentialtothesafe,
efcientoperationofyourvehicle.
Regular,frequentinspectionandthe
rightcarewillgiveyoutheassurance
ofsafeandreliabletireoperation.
Herearesometipsonmaintaining
yourtires.
CheckingInationPressure
Giveyourtiresavisualtesteveryday,
andcheckinationwithagaugeevery
week:
•Whencheckingtirepressure,
inspecteachtirefordamageto
sidewalls,cuts,cracks,uneven
wear,rocksbetweenduals,etc.If
atireappearsunderinated,check
fordamagetothewheelassembly.
Don’tforgettocheckbetweendual
wheels.Ifyoundwheeldamage,
haveanexperttireservicerepair
it.
•Maximumtirepressurewillbe
indicatedonthesidewallofatire.
•Checkpressureonlywhenthe
tiresarecool.Warmorhottires
causepressurebuildupandwill
giveyouaninaccuratereading.
Soneverdeateawarmtiretothe
speciedpressure.
(03/17)Y53-6060-1C15-143
5
TIRESANDWHEEL
UnderinatedTires
Lowpressureisatire’sworstenemy.
Underinationallowstirestoex
improperly,causinghightemperatures
tobuildup.Heatcausesearlytire
damagesuchasexbreak,radial
cracks,andplyseparation.Low
pressuremayaffectcontrolofyour
vehicle,especiallyatthefrontwheels.
Mosttirewearproblemsarecaused
byunderinationastheresultofslow
leaks,soyou’llwanttochecktire
pressureregularly.Lowertirepressure
doesnotprovidebettertractiononice
orsnow.
WARNING!
Donotoperateavehiclewithunder-
inatedtires.Theextraheatcaused
byunderinationcancausesudden
tirefailuresuchasatirereorblow
outwhichcancauseanaccidentre-
sultingindeathorpersonalinjury.
Lowpressuremayaffectcontrolat
thefrontwheels,whichcouldresult
inanaccidentinvolvingdeathorper-
sonalinjury.Keepyourtiresinated
tothemanufacturer'srecommended
airpressure.
WARNING!
Donotattempttoraisethevehicleto
removeorinstalladamagedtireand
wheelassemblyifyouarenotfully
qualiedandnotequippedwiththe
propertoolsandequipment.Donot
attempttore-inateatirethathas
beenrunat.Obtainexperthelp.
Apersoncanbeseriouslyinjured
orkilledifusingthewrongservice
methods.Trucktiresandwheels
shouldbeservicedonlybytrained
personnelusingproperequipment.
FollowOSHAregulationspersec-
tion1910.177.
NOTE
Followallwarningsandcautions
containedwithinthetireandwheel
manufacturersliterature.
5-144Y53-6060-1C1(03/17)
5
TIRESANDWHEEL
1
TREAD
CONTACTWITH
ROAD
Proper-Ination:
thecorrectprole
forfullcontactwith
theroad.
2
TREAD
CONTACTWITH
ROAD
Under-Ination:
causesabnormal
tiredeection,which
buildsupexcessive
heat,runningthe
riskoffailure.It
alsocausesirregular
wear.
3
TREADCONTACT
WITHROAD
Over-Ination:
reducesthetread
contactareawith
theroadsurface,
concentratingallof
thevehicleweight
onthecenterofthe
tread.Thiscauses
prematurewearof
thetire.
OverloadedTires
Overloadingyourtruckisasdamaging
toyourtiresasunderination.The
followingchartshowshowneglector
deliberateabusecanaffectthelifeof
yourtires.
EFFECTOFLOADPRESSUREONTIRELIFE
VehicleLoadNormal
20%Over40%Over60%Over80%Over100%Over
TirePressureNormal
20%Low30%Low35%Low45%Low55%Low
ExpectedTotal
TireMileage
Normal
70%50%40%30%25%
(03/17)Y53-6060-1C15-145
5
TIRESANDWHEEL
OverinatedTires
Toomuchairpressurereducesthetire
treadcontactareaandresultsinrapid
wearinthecenterofthetread.
WARNING!
Overinatedtirescancauseacci-
dents.Theywearmorequicklythan
properlyinatedtiresandaremore
subjecttopunctures,cracks,and
otherdamage.Theycouldfailand
causeyoutolosecontrolofyourve-
hicleresultinginanaccidentcausing
deathorpersonalinjury.Besureall
tiresareinatedcorrectlyaccording
tothemanufacturer'srecommenda-
tions.
MatchingTires
Besuretobuymatchedtiresfor
yourvehicle,especiallyontherear
axles.Mismatchedtirescancause
stressbetweenaxlesandcausethe
temperatureofyouraxlelubricantto
gettoohot.Matchedtireswillhelp
yourdrivelinelastlongerandwillgive
youbettertiremileage.
WARNING!
Donotmismatchtires,itcanbedan-
gerous.Nevermixtiresofdifferent
designsuchassteelbeltedradials
andbiasplytires,etc.Mixingtire
typesandsizeswilladverselyaffect
theroad-holdingabilityofbothtypes
oftiresandcanleadtolossofvehi-
clecontrolandcausingdeathorper-
sonalinjury.
WARNING!
Donotinstallregroovedorrein-
forcement-repairedtiresonsteering
axles.Theycouldfailunexpectedly
andcauseyoutolosecontrolof
yourvehicleresultinginanaccident
causingdeathorpersonalinjury.
5-146Y53-6060-1C1(03/17)
5
TIRESANDWHEEL
ReplacingTires
Front:Replacefronttireswhenless
than4/32in.oftreadremains.Check
atthreeplacesequallyspacedaround
thetire.
DriveAxlesorTrailers:Replacetires
ondriveaxlesortrailerswhenlessthan
2/32in.oftreaddepthremainsinany
majorgroove.Checkatthreeplaces
equallyspacedaroundthetire.See
thenextillustrationforrecommended
measuringpointsfortreaddepth.
SteerTirePoints(left),DriveTire
Points(right)
WARNING!
Donotreplaceoriginalequipment
tireswithloadratingslessthanthe
originaltires.Doingsocouldleadto
unintentionaloverloadingofthetire,
whichcouldcauseafailureresulting
inlossofvehiclecontrolandanac-
cident.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.
NOTE
Toprolongyourtires’lifeandmake
themsafer,havetheirradialandlat-
eralrun-outcheckedatyourdealer.
Andofcourseyoushouldhaveyour
tiresbalancedanytimeyouchange
atire.
GreenhouseGasCertiedTires
Replacingatirethatisgreenhouse
gascertied.
NOTE
Thetiresinstalledonthisvehicle
atthefactoryasoriginalequipment
maybecertiedforGreenhouse
GasandFuelEfciencyregula-
tions.Replacementtiresmustbe
ofequalorlowerrollingresistance
level(TRRLorC
rr
).Consultwith
yourtiresupplier(s)forappropriate
replacementtires.
Verifyifyourvehicleisequippedwith
GreenhouseGascertiedtiresby
checkingtheVehicleEmissionControl
labelonthedriver'ssidedoorframe.If
thesetireswereinstalledatthefactory,
LowerRollingResistancecodes(LRR)
identifywhichtiresarecertied.
(03/17)Y53-6060-1C15-147
5
TIRESANDWHEEL
Maintainingagreenhousegas
certiedtire.
Inordertolimittherollingresistanceof
thetiresandoptimizefueleconomy,
themaintenanceproceduresspecied
bythetiremanufacturemustbe
followed.
Forwarrantyinformation,See
GreenhouseGasTiresonpage6-9.
TireChains
Ifyouneedtirechains,installthemon
bothsidesofeachdrivingaxle.
CAUTION
Chainsonthetiresofonlyonetan-
demaxlecandamagethedriveline
U-jointsandtheinteraxledifferen-
tial.Yourrepairscouldbecostly&
time-consuming.
SpeedRestrictedTires
WARNING!
Thisvehiclemaybeequippedwith
speedrestrictedtires.Checkeach
tire’ssidewallformaximumrated
speed.Thevehicleshouldnotbe
operatedatsustainedspeedin
excessofmaximumratedspeed.
Failuretocomplywiththesespeed
restrictionscouldcausesuddentire
failurewhichcanresultindeath,
personalinjuryorpropertydamage.
5-148Y53-6060-1C1(03/17)
5
TIRESANDWHEEL
WheelMountingand
Fastening
Afterthevehicletravelsabout50to100
miles(80to160km),wheelmountings
seatinandwilllosesomeinitialtorque.
Checkhub/wheelmountingsafterthis
initialperiodandretighten.
WARNING!
Neveruseoilorgreaseonstudsor
nuts;impropertorquereadingswill
result,whichcouldcauseimproper
wheelclampingandcouldleadto
awheelfailureresultinginanacci-
dent.Failuretocomplymayresult
indeath,personalinjury,equipment
orpropertydamage.
WheelCapNutTorque
Attherstscheduledlubeinterval,
haveallwheelcapnutstorquedto
theirspeciedvaluelistedinWheel
CapNutTorqueonpage5-149.After
that,checkwheelcapnutsatleast
onceaweek.Contactanauthorized
dealerforinformationontheproper
installationprocedureforthewheels
onyourtruck.Thisisajobyoumay
notbeabletodoyourself.Youneed
therighttorquingequipmenttodoit.
WheelCapNutTorque
TORQUEFORINNER&OUTERCAPNUTS&RIMCLAMPNUTSWHEEL&NUT
CONFIGURATION
STUDSIZE
NmLb-Ft
3/4-16
610-680450-500
SteelorAluminumDisc-Type
Wheel;DoubleCapNut
Mounting;
Standard7/8RadiusBallSeat
1-1/8-16
610-680450-500
15/16-12
1,020-1,220750-900
1-1/8-16
1,020-1,220750-900
Heavy-DutySteelDisc-Type
Wheel;DoubleCapNut
Mounting;
1-3/16RadiusBallSeat:
1-15/16-12
1,020-1,220750-900
(03/17)Y53-6060-1C15-149
5
TIRESANDWHEEL
TORQUEFORINNER&OUTERCAPNUTS&RIMCLAMPNUTSWHEEL&NUT
CONFIGURATION
STUDSIZE
NmLb-Ft
Hub-PilotedDisc-TypeWheel
w/TwoPieceFlangedCapNuts:
SteelorAluminumWheel
PHP-10;BuddUni-Mount-10;
WDH-8
M22-1.5610-680450-500
3/4-16
240-270175-200
StudBacknuts(whenused)
1-14240-410175-300
RimClampNutTorque
1/2"Dia.
110-12080-90
5/8"Dia.
220-250160-185
CastSpokeWheelAssembly
3/4"Dia.
305-335225-245
Threadsshouldbecleananddry.Do
notlubricatewheelnutsorstuds.
ProperTorqueandSequence
Properwheeltorquecanbestbe
obtainedonlevelground.Installlug
nutsandnger-tighteninthenumerical
sequenceasshownbelow,seeNut
TighteningSequenceforHubPiloted
DiscWheelsonpage5-151orNut
TighteningSequenceforStudPiloted
DiscWheelsonpage5-151.This
procedurewillensurethatthewheelis
drawnevenlyagainstthehub.Torque
eachnuttothetorquevaluelistedin
WheelCapNutT orqueonpage5-149.
5-150Y53-6060-1C1(03/17)
5
TIRESANDWHEEL
WARNING!
Tightenwheelcapnutsproperly.
Iftheyarenottightenedproperly,
wheelnutscouldeventuallycause
thewheeltobecomeloose,tofail,
and/ortocomeoffwhilethevehicle
ismoving,possiblycausinglossof
controlandmayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
NutTighteningSequenceforHub
PilotedDiscWheels
NutTighteningSequenceforStud
PilotedDiscWheels
WheelReplacementWith
DiscBrakeOption
WARNING!
Useonlythewheelbrand,sizeand
partnumberoriginallyinstalled.Use
ofadifferentwheelbrandorsize
couldcausevalvestemtointerfere
withabrakecomponentwhichcould
leadtolossofvehiclecontrol.Fail-
uretocomplymayresultindeath,
personalinjury,equipmentorprop-
ertydamage.
Vehiclesequippedwithfrontdisc
brakesarettedwithwheelsdesigned
specicallyfordiscbrakeapplications.
Ifiteverbecomesnecessaryto
replaceanoriginalequipmentwheel,
thereplacementwheelmustbethe
samebrandandsizeasthetake-off
wheel.Onvehiclesequippedwith22.5
in.discwheels,installingthewrong
replacementwheelcouldresultin
thewheelvalvestemmakingcontact
(03/17)Y53-6060-1C15-151
5
TIRESANDWHEEL
withthediscbrakeassembly.When
installinganyreplacementwheel,
alwaysinspectthetires/wheelsto
ensurethereisadequateclearance
betweenothervehiclecomponents.
Withthehoodopen,checkfor
clearancebetweenthewheelanddisc
brakeassembly.Useahydraulicjack
toraisethefrontofthevehicleoff
thegroundtoallowthewheeltospin
freely.Whilerotatingthewheel,check
toensurethereisadequateclearance
betweenthewheelanddiscbrake
assembly
WARNING!
Ifthehoodfalls,anyoneunderit
couldbeinjured.Alwaysmakesure
thatthehoodholdopendeviceen-
gageswhenthehoodisinitsopen
positionanytimeanyonegetsunder
thehoodforanyreason.
•Thehoodcouldhurtsomeone
thatisinthewayofitsdescent.
Beforeloweringthehood,be
surenoobjectsorpeoplearein
theway.
WARNING!
Alwayssupportthevehiclewithap-
propriatesafetystandsifitisneces-
sarytoworkunderneaththevehicle.
Ajackisnotadequateforthispur-
pose.
WARNING!
Improperlymountinganddemount-
ingtireandrimassembliesisdan-
gerous.Failuretoobserveproper
precautionscouldcausethetire-rim
assemblytoburstexplosively,caus-
ingdeathorpersonalinjury.See
thewheelmanufacturer'sliterature
fortheproperwaytomountandde-
mountyourtiresandrims.Follow
theirprecautionsexactly.
5-152Y53-6060-1C1(03/17)
5
TIRESANDWHEEL
DiscWheels
WARNING!
Usethecorrectcomponentsand
toolswhenworkingonwheels.
Groovesinthewheeldiscorother
damagetothedisccanweakenthe
wheelandcauseittoeventually
comeoff.Thiscouldcauseyouto
losecontrolofyourvehicle,and
mayresultinanaccident.Failure
tocomplymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
Theendofthewheelwrenchmust
besmooth.Burrsontheendofthe
wrenchcanteargroovesinthedisc.
Thesegroovesmayleadtocracksin
thedisc,andcancauseittofail.
(03/17)Y53-6060-1C15-153
5
WHEELBEARING
WHEELBEARING
WheelBearingAdjustment
Forsafe,reliableoperationand
adequateservicelife,yourwheel
bearingsmustbeadjustedproperlyat
therecommendedintervals.Contact
yourauthorizeddealertomakesure
thewheelbearingsareproperly
adjusted.
5-154Y53-6060-1C1(03/17)
5
TRANSMISSIONANDCLUTCH
TRANSMISSIONAND
CLUTCH
Introduction
Followthesestepstoensurepartsare
properlylubricated:
•Maintainoillevel,checkitregularly
•Changeoilregularly
•Usethecorrectgradeandtypeof
oil
•Buyoilfromareputabledealer
AllTransmissions
OilChange:Drainandreplace
accordingtoPreventiveMaintenance
Scheduleonpage5-12andthe
TransmissionServiceManual.Usethe
recommendedtypesofoilasspecied
intheOperationandServiceManual
(includedwithvehicle).Selectthe
appropriatelubricantfortheexpected
ambient(outsideair)temperatures.
TransmissionLubricants
CAUTION
Whenaddingoil,typesandbrands
ofoilshouldnotbeintermixedbe-
causeofpossibleincompatibility,
whichcoulddecreasetheeffec-
tivenessofthelubricationorcause
componentfailure.
(03/17)Y53-6060-1C15-155
5
TRANSMISSIONANDCLUTCH
ManualTransmissions
Manualtransmissionsaredesignedso
thattheinternalpartsoperateinabath
ofoilcirculatedbythemotionofgears
andshafts.
ServiceIntervals
Forrecommendedtypesandbrands
ofalllubricants,seethetransmission
manufacturer'sServiceManual
AMBIENTTEMPERATURERANGE
MODELRECOMMENDEDLUBRICANT(SeeNote)
DEG.CDEG.F
VISCOSITY
(SAE)
HDengineoil:APICEorCF-4.
Above-12Above+1050
Eaton-Fuller
Syntheticoil:ChevronRPM
SyntheticTransmissionFluid,orequal,meeting
MIL-L-2104DandEatonPS-081specications.
Above-40Above-4050
NOTE
Donotusemulti-viscosityorEP(extremepressure)gearoil(e.g.,axleoils)intransmissions.Multi-viscosityorEPoils
maydamagecomponents.
StandardTransmissionOilLevel
NOTE
Thevehiclemustbeparkedonlevel
ground.
Maintaintheoillevelandcheckit
regularly.Oilshouldbeuptobottom
ofllerplughole.
ClutchSystemIntroduction
Freepedalisthedistancetheclutch
pedalmovesbyapplyingonlyslight
pressure.Duringfreepedalthe
releaseyokeinthetransmission
movesuntilitsbearingpadscontact
thereleasebearing.Thismovementof
thereleaseyokeiscalledfreetravel.
Thus,freepedalandfreetravelare
directlyrelatedtoeachother.
Astheclutchpedalisdepressed
further,withharderpressure,the
releaseyokemovestherelease
bearingawayfromtheengine.This
causestheclutchplatetoreleasefrom
thedrivendisksintheclutch.Thisis
5-156Y53-6060-1C1(03/17)
5
TRANSMISSIONANDCLUTCH
calledreleasetravel.Andnally,on
9-,10-,and11-speedtransmissions,
asthepedalispushedtothelast1/2
to1inchoftravel,thereleasebearing
contactsandengagestheclutchbrake.
Thisiscalledclutchbrakesqueeze.
Whentheclutchwears,therelease
bearinggraduallymovestowardthe
engine,decreasingfreepedalandfree
travel.Whenallfreepedalandfree
travelaregone,theclutchrequires
adjustment.
Theclutchisadjustedbyturningan
adjustmentringthatisbuiltintothe
clutch.Whentheringisturned,the
releasebearingmovesbacktoward
thetransmission,restoringfreepedal
andclutchfreetravel.Undernormal
clutchwearthisistheonlyadjustment
needed.Donotattempttochangeany
othercomponent.SeetheMedium
DutyMaintenanceManualfordetails.
ClutchAdjustment—
NormalWear
Clutchpedalfreetravelisusually13/4
in.to2in.(34to51mm).Thisshould
beyourguidefordeterminingwhether
yourtruckneedsclutchadjustment.
Also,ifitbecomesincreasinglydifcult
toshiftintogears,orthetruckcreeps
withtheclutchpedaldepressed,your
clutchneedsadjustment.Seethe
MediumDutyMaintenanceManualfor
theproperadjustmentprocedures.
Somevehicleshaveautomaticclutch
adjustment.Ifyoursdoesn'thavethis
feature,adjustmentwillhavetobe
donebyatrainedcertiedmechanic.
Havetheadjustmentdonebefore
clutchpedalfreetravelisreducedto
theminimumallowable1/2in.(13mm).
ClutchLinkage
TheMediumDutyisequippedwith
arodandlevermechanicalclutch
linkage.Lubricateeachpivotpointon
theclutchlinkage.
(03/17)Y53-6060-1C15-157
5
TRANSMISSIONANDCLUTCH
AutomaticTransmissions
ServiceIntervals
Checkdailywithengineidling.See
PreventiveMaintenanceScheduleon
page5-12forserviceintervals.
AutomaticTransmissionOilLevel
NOTE
Thevehiclemustbeparkedonlevel
ground.
SeetheTransmissionOperator's
Manualforinformationoncheckingthe
transmissionoillevel.
5-158Y53-6060-1C1(03/17)
5
INFORMATION
CONSUMERINFORMATIONANDVEHICLEIDENTIFICATION
VehicleIdentication..............6-3
GeneralVINInformation.............6-4
ComponentIdentication.............6-7
CONSUMERINFORMATION
FederalSafetyStandardCerticationLabel....6-8
HowtoOrderParts...............6-8
NHTSAConsumerInformation..........6-8
CanadianConsumerInformation.........6-9
Warranty....................6-9
(03/17)Y53-6060-1C16-1
6
CONSUMERINFORMATIONANDVEHICLEIDENTIFICATION
CONSUMER
INFORMATION
ANDVEHICLE
IDENTIFICATION
VehicleIdentication
EachvehiclecompletedbyPeterbilt
MotorsCompanyusesaVehicle
IdenticationNumber(VIN)that
containsthemodelyeardesignation
ofyourPeterbilt.Thepracticeisin
compliancewith49CFR565,Codeof
FederalRegulations.
TheVehicleIdenticationNumberis
onthePeterbiltlabelsonthelefthand
doorpost.TheVINcontains17digits.
The10thdigitisthecodeforthemodel
yearofyourvehicle.TheexampleVIN
belowshowshowthiscodeworks:
ExampleVIN:
1
ManufacturerIdentier
2VehicleAttributes
3
ReservedSpace
4ModelY ear
5
AssemblyPlant
6
SerialNumber(ChassisNumber)
ModelYear
J=2018
K=2019
L=2020
M=2021
GliderKitIdentication
0(zero)=GliderKit
PlantCode
M=SteTherese
D=Denton
(03/17)Y53-6060-1C16-3
6
CONSUMERINFORMATIONANDVEHICLEIDENTIFICATION
GeneralVINInformation
VINLocations
Thefull,17-digitVINislocatedonthe
WeightRatingDataLabel.Thelabelis
locatedonthedriver'ssidedooredge
oronthedriver'ssidedoorframe.
ChassisNumber
TheChassisNumberreferstothelast
sixcharactersoftheVIN.Thisnumber
willallowyourdealertoidentifyyour
vehicle.Youwillbeaskedforthis
numberwhenyoubringitinforservice.
ChassisNumberLocations
•Rightframerail,topange,about
3ft.fromthefrontend
•Cabback,left-handrearpanel,
loweredge
•Tire,Rim,andWeightRatingData
label(truck)
•ComponentsandWeightslabel
•NoiseEmissionlabel
•PaintIdenticationlabel
CerticationLabels
Yourvehicleinformationand
specicationsaredocumentedon
labels.Asnotedbelow,eachlabel
containsspecicinformationpertaining
tovehiclecapacitiesandspecications
thatyoushouldbeawareof.
6-4Y53-6060-1C1(03/17)
6
CONSUMERINFORMATIONANDVEHICLEIDENTIFICATION
ComponentsandWeightsLabel
TheComponentsandChassisWeight
Labelislocatedoneitherthedriver’s
sidedooredgeoronthedriver’s
sidedoorframe.Itincludeschassis
number,chassisweightandgross
weight,plusmodelinformationforthe
vehicle,engine,transmission,and
axles.
TireandRimDataLabel
TheTire,RimandWeightRating
DataLabelislocatedonthedriver’s
sidedooredgeoronthedriver’sside
doorframe.Itcontainsthefollowing
information:
•GVWR-GrossVehicleWeight
Rating
•GAWRFRONT ,INTERMEDIATE
andREAR-GrossAxleWeight
RatingsforFront,Intermediate
andRearAxle
•TIRE/RIMSIZESANDINFLATION
PRESSURES-Tire/RimSizes
andColdPressureMinimums
•VINincludingCHASSISNUMBER
WARNING!
Donotexceedthespeciedloadrat-
ing.Overloadingcanresultinloss
ofvehiclecontrolandpersonalin-
jury,eitherbycausingcomponent
failuresorbyaffectingvehiclehan-
dling.Exceedingloadratingscan
alsoshortentheservicelifeofthe
vehicle.
Thecomponentsofyourvehicle
aredesignedtoprovidesatisfactory
serviceifthevehicleisnotloaded
inexcessofeitherthegrossvehicle
weightrating(GVWR),orthemaximum
frontandreargrossaxleweightratings
(GAWRs).
NOTE
GVWistheTOTALSCALEWEIGHT
thevehicleisdesignedtocarry.This
includestheweightoftheemptyve-
hicle,loadingplatform,occupants,
fuel,andanyload.
(03/17)Y53-6060-1C16-5
6
CONSUMERINFORMATIONANDVEHICLEIDENTIFICATION
NoiseEmissionLabel
TheNoiseEmissionLabelislocated
inthedriver'ssidedoorframe.It
containsinformationregardingU.S.
noiseemissionregulations,chassis
number,anddateofmanufacture.
PaintIdenticationLabel
ThePaintIdenticationLabelcontains
thepaintcolorsusedbythefactory
topaintyourvehicle.Itlistsframe,
wheels,cabinteriorandexterior
colors.Thislabelislocatedinsidethe
glovebox.
FederalSafetyStandard
CerticationLabel
TheNHTSAregulationsrequirealabel
certifyingcompliancewithFederal
SafetyStandards,forUnitedStates
andU.S.T erritories,beafxedto
eachmotorvehicleandprescribe
wheresuchlabelmaybelocated.
Thiscerticationlabel,whichindicates
thedateofmanufactureandother
pertinentinformation,islocatedon
thedriver’ssidedooredgeoronthe
driver’ssidedoorframe.
6-6Y53-6060-1C1(03/17)
6
CONSUMERINFORMATIONANDVEHICLEIDENTIFICATION
ComponentIdentication
Eachofthemajorcomponentson
yourvehiclehasanidenticationlabel
ortag.Foreasyreference,record
componentnumberssuchas,model,
serial,andassemblynumber.
Engine:Forfurtherinformation,
pleaserefertotheEngineOperation
andMaintenanceManual.
Transmission:Forbothmanual
andautomatictransmissions,the
identicationnumberisstampedona
tagafxedtotherightrearsideofthe
transmissioncase.
Clutch:Enclosedinclutchhousing.
Locationdependsonmanufacturer.
SteerAxle:Thefrontaxleserial
numberisstampedonaplatelocated
onthecenteroftheaxlebeam.
DriveAxles:Thedriveaxlenumbering
systemincludesthreelabelsorstamps:
1.AxleSpecicationNumber,usually
stampedontherightrearsideof
theaxlehousing.Thisnumber
identiesthecompleteaxle.
2.AxleHousingNumberT ag,usually
locatedontheleftforwardside
ofthehousingarm.Thistag
identiestheaxlehousing.
3.AxleDifferentialCarrier
Identication,usuallylocated
onthetopsideofthedifferential
carrier.Thefollowinginformation
iseitherstamped,ormarkedwitha
metaltag:ModelNo.,Production
AssemblyNo.,SerialNo.,Gear
Ratio,andPartNumber.
(03/17)Y53-6060-1C16-7
6
CONSUMERINFORMATION
CONSUMER
INFORMATION
FederalSafetyStandard
CerticationLabel
TheNationalHighwayTrafcSafety
Administrationregulationsrequire
alabelcertifyingcompliancewith
FederalSafetyStandards,forUnited
StatesandU.S.Territories,beafxed
toeachmotorvehicleandprescribe
wheresuchlabelmaybelocated.
Thiscerticationlabel,whichindicates
thedateofmanufactureandother
pertinentinformation,islocatedonthe
lefthandcabdoorpost.
HowtoOrderParts
Replacementpartsmaybeobtained
fromanauthorizeddealership.
Whenyouorder,itisIMPORTANT
thatyouhavethefollowinginformation
ready:
•Yournameandaddress.
•Serialnumberofthetruck.
•Thenameofthepartyouneed.
•Thenameandnumberofthe
componentforwhichthepartis
required.
•Thequantityofpartsyouneed.
•Howyouwantyourordershipped.
NHTSAConsumer
Information
Ifyoubelievethatyourvehiclehas
adefectwhichcouldcauseacrash
orcouldcausedeathorpersonal
injury,youshouldimmediatelyinform
theNationalHighwayTrafcSafety
Administration(NHTSA)inadditionto
notifyingthevehiclemanufacturer.
IfNHTSAreceivessimilarcomplaints,
itmayopenaninvestigation,and
ifitndsthatasafetydefectexists
inagroupofvehicles,itmayorder
arecallandremedycampaign.
However,NHTSAcannotgetinvolved
inindividualproblemsbetweenyou,
yourdealer,andvehiclemanufacturer.
ContactingNHTSAispossiblethrough
telephone,writtenmailandemail.
NHTSAalsohasawebsitewhereyou
caninputyourcommentsdirectlyto
themontheweb.Pleaseuseanyof
thefourwaystocontactNHTSA:
6-8Y53-6060-1C1(03/17)
6
CONSUMERINFORMATION
TollFree888-327-4236
(800-4249153TTY)
8:00amto10:00pmET
Monday-Friday
OfceofDefects
Investigations/CRD
NVS-216
1200NewJerseyAveSE.
Washington,D.C.20590
www
www.safercar.gov
@[email protected]
CanadianConsumer
Information
Canadiancustomerswhowishtoreport
asafety-relateddefecttoTransport
Canada,DefectInvestigationsand
Recalls,maytelephonethetollfree
hotline1-800-333-0510,orcontact
TransportCanadabymailat:
TransportCanada,ASFAD
PlacedeVilleT owerC
330SparksStreet
OttawaONK1A0N5
Foradditionalroadsafetyinformation,
pleasevisittheRoadSafetywebsite
at:
http://www.tc.gc.ca/roadsafety/
menu.htm
Warranty
GreenhouseGasTires
Thefollowingwarrantyisforvehicles
equippedwithGreenhouseGas
certiedtires:
VEHICLEEMISSIONSLIMITED
EXPRESSWARRANTYRELATED
TOORIGINALEQUIPMENTTIRES
PACCARIncwarrantsthetires
installedasoriginalequipmenton
thisvehicleonlyagainstdefectsin
materialsandworkmanshipwhich
causethevehicletofailtocomply
withapplicableU.S.andCanadian
greenhousegasemissionlimits
("WarrantableEmissionsFailures").
Thisvehicleemissionslimitedexpress
warrantyrelatingtooriginalequipment
tiresisvalidfortwo(2)yearsor24,000
miles,whicheveroccursrst.
(03/17)Y53-6060-1C16-9
6
CONSUMERINFORMATION
YOURSOLEANDEXCLUSIVE
REMEDYAGAINSTPACCAR
IncISLIMITEDTOTHE
REPAIRORREPLACEMENT
OFORIGINALEQUIPMENTTIRES
ATAUTHORIZEDUNITEDSTATES
ANDCANADIANPACCARDEALERS,
SUBJECTTOPACCAR’STIMEAND
MILEAGELIMITATIONSLISTED
ABOVE.ThisVehicleEmissions
LimitedExpressWarrantyrelatingto
originalequipmenttiresbeginson
thedateofdeliveryofthevehicle
totherstpurchaserorlesseeand
accruedtimeandmileageiscalculated
whenthevehicleisbroughtintoan
authorizeddealerforcorrectionof
theWarrantableEmissionsFailures
relatingtotheoriginalequipmenttires.
PACCARMAKESNOOTHER
VEHICLEEMISSIONSWARRANTIES
RELATINGTOTHEORIGINAL
EQUIPMENTTIRES,EXPRESS
ORIMPLIED.WHEREPERMITTED
BYLAW,PACCAREXPRESSLY
DISCLAIMSANYWARRANTYOF
MERCHANTABILITYORFITNESS
FORAPARTICULARPURPOSE
RELATINGTOVEHICLEEMISSIONS.
ITISAGREEDTHATPACCAR
SHALLNOTBELIABLEFOR
INCIDENTALORCONSEQUENTIAL
DAMAGESINCLUDING,BUTNOT
LIMITEDTO:LOSSOFINCOME
ORLOSTPROFITS;VEHICLE
DOWNTIME;COMMUNICATION
EXPENSES;LODGINGAND/OR
MEALEXPENSES;FINES;
APPLICABLETAXESORBUSINESS
COSTSORLOSSES;ATTORNEY’S
FEES;ANDANYLIABILITYYOUMAY
HAVEINRESPECTTOANYOTHER
PERSONORENTITYRELATING
TOWARRANTABLEEMISSIONS
FAILURES.
ThisVehicleEmissionsLimited
ExpressWarrantyrelatingto
originalequipmenttiresislimited
toemissionscomplianceonly.
Thetiresareseparatelywarranted
bytheirmanufacturerfordefectsin
materialsandworkmanshipotherthan
thosewhichcausenon-compliance
withU.S.andCanadianGHG
regulations,subjecttolimitationsand
conditionscontainedwithinthetire
manufacturer’swarrantyagreement.
Youareresponsibleforthesafe
operationandmaintenanceofthe
vehicleanditstires.PACCARdoes
notwarrantwearandtearofthetires.
6-10Y53-6060-1C1(03/17)
6
Index
Index
5thwheel
maintenance....................5-111
A
Accessories
glovecompartment..............3-70
navigationsystem...............3-69
radio..............................3-70
vehicletelematicsystem........3-71
Accessorydrivebelts.............5-102
Addingelectricaloptions..........5-90
Additionalsourcesofinformation...1-9
Californiaproposition65warning1-7
datarecorder......................1-7
installedequipment-operator's
manuals.......................1-9
othersources....................1-10
Adjustableauxiliaryaxles.........4-50
liftable/non-steerablepusher
calibration...................4-53
liftable/steerablecalibration....4-53
tagaxlecalibration..............4-53
After-treatmentsystem
introduction......................4-61
Aircleaners........................5-105
Aircompressor.....................5-61
Airdiscbrakes
maintenance.....................5-64
Airdryer.............................5-57
Airdryer(Bendix®AD-ISseries).5-58
Airdryeroverhaul..................5-58
Airlterreplacement..............5-106
Airintakesystem..................5-104
Airpressuregauge(primary/
secondary)....................3-37
Airsuspensiondeateswitch.....3-50
Airsystem
aircleaners.....................5-105
aircompressor...................5-61
airdryer..........................5-57
airlterreplacement...........5-106
airgaugesandairleaks........5-60
airintakesystem...............5-104
drainingairtanks................5-59
primaryairpressuregauge.....5-60
secondaryairpressuregauge.5-60
turbocharger....................5-105
Airsystemmaintenance...........5-54
Airtanks............................5-59
Allisontransmissionlubrication...5-47
Anti-lockbrakes
trailerABS.......................4-26
trailerABS(withoutPLC).......4-27
wheelspincontrol...............4-32
Anti-lockbrakes(ABS)
electronicstabilitycontrol
(ESC)........................4-28
rollstabilityprogram(RSP).....4-28
Audiblealarm.........................3-9
Automaticandautomated
transmissions.................4-22
AutomaticSlackAdjusters........5-66
Automatictransmissions
(03/17)Y53-6060-1C1Index-1
7
Index
oillevel..........................5-158
serviceintervals................5-158
Auxiliaryaxles......................4-50
Auxiliarytransmission.............4-23
Axlecreeprating...................4-52
Axlelubrication....................5-114
B
Batteries
batteryaccess...................5-91
batterycare......................5-95
batterycharging.................5-95
jumpstartingvehicles.............2-8
removingandinstalling
batteries.....................5-93
Batteryaccess.....................5-91
Batterycare........................5-95
Batterycharging....................5-95
Beltdamageandrepair...........1-27
Bendix®AD-ISseriesairdryer...5-58
Brakeadjustment..................5-63
Brakesystem
adjustment.......................5-63
hydraulicbrakes.................4-35
retarders.........................4-41
rollstabilityprogram(RSP).....4-28
springbrakes....................2-20
yawcontrol.......................4-29
Brakewarninglamp...............4-37
Bulbreplacement
headlight.........................5-86
Bulbspecications.................5-87
C
Cabandframeaccess............1-11
Cabinfreshairlter...............5-120
CaliforniaProposition65Warning..1-7
Canadianconsumerinformation....6-9
Certicationlabels
componentsandweightslabel...6-5
federalsafetystandardcertication
label...........................6-6
noiseemissionlabel..............6-6
paintidenticationlabel...........6-6
tireandrimdatalabel.............6-5
Checkingtireinationpressure..5-143
Chromeandaluminumsurfaces..5-71
Cleaningvinylandupholstery....5-75
Cleaning,protectingandweather
stripping.......................5-72
Climbingontothedeckplate......1-14
Clutch
clutchbrake......................4-19
clutchtravel......................4-19
doubleclutching.................4-21
identication.......................6-7
ridingtheclutch..................4-23
Clutchbrake........................4-20
Clutchmaintenance..............5-156
Clutchtravel........................4-20
Coasting............................4-62
Componentidenticationreference6-7
Componentsandweightslabel.....6-5
Consumerinformation
Federalsafetystandards.........6-8
howtoorderparts.................6-8
Controls
airsuspensiondeateswitch...3-50
cruisecontrolswitch............3-51
daytimerunninglights...........3-48
domelight........................3-49
fthwheellockswitch...........3-57
foglightsswitch.................3-50
hazardasher...................3-47
horn...............................3-46
IDandclearancelightsswitch.3-49
Index-2Y53-6060-1C1(03/17)
7
Index
ignitionswitch....................3-47
interaxledifferentiallockswitch3-56
mirrorheatswitch...............3-54
panellightdimmer...............3-49
parkingbrakevalve.............3-57
powerdoorlockswitch..........3-55
powerenginebrakeswitch.....3-55
powermirrorswitch.............3-53
powerport........................3-60
powerwindowswitch...........3-54
regenerationswitch.............3-52
shiftpatterndisplay.............3-61
two-speedrearaxleswitch.....3-56
CoolantLevel.......................5-82
Coolingsystem
addingcoolant...................5-82
fan...............................5-103
fanclutch........................5-103
maintenance.....................5-80
Coolingsystemmaintenance.....5-80
Cruisecontrolswitch..............3-51
Cupholders.........................3-60
D
Dailychecks........................1-33
Dash-anddoor-mountedcontrols
airsuspensiondeateswitch...3-50
cruisecontrolswitch............3-51
daytimerunninglights...........3-48
domelight........................3-49
enginebrakeswitch.............3-55
fthwheellockswitch...........3-57
foglightsswitch.................3-50
hazardasher...................3-47
IDandclearancelightsswitch.3-49
ignitionswitch....................3-47
interaxledifferentiallockswitch3-56
mirrorheatswitch...............3-54
panellightdimmer...............3-49
parkingbrakevalve.............3-57
powerdoorlockswitch..........3-55
powermirrorswitch.............3-53
powerport........................3-60
powerwindowswitch...........3-54
regenerationswitch.............3-52
shiftpatterndisplay.............3-61
two-speedrearaxleswitch.....3-56
Datarecorder.........................1-7
Daytimerunninglights.............3-48
Deckplateaccess.................1-14
Deepsnowandmudswitch.......4-33
DEFlter...........................5-126
Descendingagrade...............4-63
Dieselexhaustuidgauge........3-37
DieselExhaustFluidT ank.......5-126
Differentiallock.....................4-47
Discwheels........................5-153
Domelight..........................3-49
Doorlock...........................1-12
keyfobsynchronization.........1-14
remotekeylessentry(RKE)
system......................1-13
Doubleclutching...................4-21
Driveaxles
identication.......................6-7
Drivercontrolledmaindifferential2-15
Driverinformationdisplay
diagnosticdisplay...............3-28
ignitiontimer.....................3-27
RPMdetail.......................3-26
settingsmenu....................3-29
transmissiondisplay............3-29
tripinformation...................3-27
truckinformation.................3-28
Driver's
dailychecks......................1-33
weeklychecks...................1-35
(03/17)Y53-6060-1C1Index-3
7
Index
Driver'sCheckList.................1-32
Driver'sseatadjustment
withairsuspension..............1-20
withstandardseat...............1-20
DriveshaftMaintenance..........5-142
Drivingtips
coasting..........................4-62
descendingagrade.............4-63
engineRPM......................4-63
fueleconomy....................4-64
usingthetachometer............4-64
Drivingwithdeatedairsprings..4-60
Drumbrakes
maintenance.....................5-66
Dualrange(two-speed)rearaxle4-48
E
Eaton/Danaaxlelubrication.......5-50
ELCconcentration.................5-80
Electricalandalternator
precautions....................5-98
Electricalsystem
addingelectricaloptions........5-90
batteries..........................5-91
batterycare......................5-95
batterycharging.................5-95
electricalandalternator
precautions.................5-98
fuses,circuitbreakersand
relays........................5-87
jumpstartingvehicles.............2-8
removingandinstalling
batteries.....................5-93
Electricalsystemmaintenance...5-85
Electronicstabilitycontrol(ESC).4-28
Emergency
batteryconnections.............2-10
emergencyequipmentkit.......1-31
jumpstartingvehicles.............2-8
Emergencyequipment............1-31
Emergencywelding...............5-110
Engine
aircleaners.....................5-105
airintakesystem...............5-104
drivebelts.......................5-102
enginemounting................5-107
exhaustsystem.................5-107
identication.......................6-7
lubrication.......................5-100
pipeandhoseclamptorque
values...............5-40,5-101
Engine(block)heater..............5-84
Engineblockheater.................4-6
Enginebrakeswitch...............3-55
Enginecontroldisplay.............4-13
Enginecooldown..................4-67
Enginefan.........................5-103
Enginefancontrol.................4-11
Enginehours.......................3-33
Engineisoverheating...............2-5
Enginelubrication.................5-100
Enginemaintenance...............5-99
EngineMounting..................5-107
Engineoilpressuregauge........3-34
Engineoilpressurelampturnson..2-4
Engineoperation
engineblockheater...............4-6
enginecontroldisplay...........4-13
enginecooldown................4-67
enginefancontrol...............4-11
winterfronts......................4-12
Engineoverspeed.................4-63
Enginewarm-up......................4-7
Environmentalprotection............1-8
Exhaustsystem...................5-107
Extendedlifecoolant(ELC)
Index-4Y53-6060-1C1(03/17)
7
Index
WhatT oCheckInAnELC-lled
CoolingSystem............5-80
Exteriormaintenance..............5-71
Exteriorwashing...................5-74
F
Federalsafetystandardcertication
label..............................6-6
Fifthwheel
maintenance....................5-111
Fifthwheellockswitch.............3-57
Finalstoppingprocedures........4-69
Foglightsswitch...................3-50
Forwarddriveaxletemperature
gauge..........................3-39
Framefastenertorque
requirements.................5-112
Frontaxleandsuspension
maintenance.................5-114
Fueleconomy......................4-64
Fuellters.........................5-109
Fuelgauge.........................3-36
Fuelshut-offvalve.................4-68
Fuelshut-offvalves...............5-109
Fuelspecication..................4-67
Fuelsystem
fuellters........................5-109
shut-offvalves..................5-109
Fullertransmissionlubrication....5-45
Fuseinspectionandreplacement5-90
Fuseorrelayblows..................2-6
Fuses,circuitbreakersandrelays5-87
G
Gauges
primaryairpressure.............5-60
secondaryairpressure.........5-60
Gauges(optional)
forwarddriveaxletemperature.3-39
reardriveaxletemperature.....3-40
Gauges(standard)
airpressure......................3-37
dieselexhaustuid..............3-37
enginehours/outsideair
temperature.................3-33
engineoilpressure..............3-34
fuel................................3-36
odometer/tripmeter............3-32
speedometer.....................3-31
tachometer.................3-32,4-64
watertemperature...............3-35
GAWR-GrossAxleWeight
Rating..........................1-31
GCW-GrossCombination
Weight.........................1-31
GeneralVINinformation.............6-4
Glovecompartment................3-70
Greenhousegascertiedtires...5-147
GreenhouseGasTires
warranty............................6-9
GVWR-GrossVehicleWeight
Rating..........................1-31
H
Hazardasher......................3-47
Headlightaiming...................5-87
Headlightreplacement............5-86
Heaterandairconditioner.......5-118
airconditioner...................5-121
heater...........................5-120
Heaterandairconditioner
maintenance.................5-118
Heatingandairconditioning
airowcontroldial..............3-65
cooling............................3-66
(03/17)Y53-6060-1C1Index-5
7
Index
defrostvents.....................3-65
dehumidify.......................3-67
fancontroldial...................3-65
ooranddefrostvents..........3-65
oorvents........................3-65
freshair/recirculationswitch....3-66
heating...........................3-67
instrumentpanelandde-mister
vents........................3-65
instrumentpanel,de-misterandoor
vents........................3-65
temperaturecontroldial........3-65
whateachcontroldoes.........3-65
windshielddefoganddefrost...3-67
HeatingandAirConditioning
cabcontrols......................3-62
Hillhold.............................4-22
Hoodholddowns..................1-16
Hoodsafetycable..................1-18
Hoodtilting.........................1-17
hoodholddowns................1-16
hoodsafetycable...............1-18
Horn.................................3-46
Howtoorderparts...................6-8
Howtousethismanual.............1-3
Hydraulicbrakesystem...........5-67
brakeuidcheckandrell......5-68
parkingbrakecomponent
inspection...................5-70
servicebrakecomponent
inspection...................5-69
Hydraulicbrakes...................4-35
ABSwarningLamp..............4-39
brakecomponents..............4-36
brakewarninglamp.............4-37
parkingbrakeburnishing.......4-40
wetoroverheatedbrakes......4-38
I
IDandclearancelightsswitch....3-49
Idlingtheengine.....................4-9
In-cabbatterybox..................5-92
Indicatorsymbols..................3-11
Inspectionoftheengineoillevel5-100
InstalledEquipment-Operator's
Manuals.........................1-9
Instrumentpanel.....................3-5
Instrumentsystemselftest.......3-10
Instrumentation
airpressuregauge..............3-37
audiblealarm......................3-9
dieselexhaustuidgauge......3-37
enginehours/outsideair
temperature.................3-33
engineoilpressuregauge......3-34
forwarddriveaxletemperature
gauge.......................3-39
fuelgauge........................3-36
indicatorsymbols................3-11
instrumentpanel...................3-5
menucontrolswitch...............3-8
odometer/tripmeter............3-32
reardriveaxletemperature
gauge.......................3-40
speedometer.....................3-31
systemselftest..................3-10
tachometer.......................3-32
warningLights.....................3-9
warningsymbolsdescription...3-19
watertemperaturegauge.......3-35
Interaxledifferentiallockswitch..3-56
J
Jumpstartingvehicles...............2-8
Index-6Y53-6060-1C1(03/17)
7
Index
K
Keyfoboperation..................1-13
Keyfobsynchronization...........1-14
Keys
remotekeylessentry(RKE)....1-12
Kingpinlubrication................5-114
Komfort-Latch®Feature..........1-25
L
Lap/shoulderbelt..................1-22
Loaddistribution...................1-31
LowairalarmturnsOn..............2-3
Lowvoltagedisconnect(LVD)....5-85
Lubricantspecications...........5-38
Lubrication..........................5-41
M
Maintenance
5thwheel........................5-111
aircleaners.....................5-105
airconditioner...................5-121
airintakesystem...............5-104
airsystem........................5-54
Allisontransmissionlubrication5-47
brakeadjustment................5-63
brakeinspection.................5-64
chromeandaluminumsurfaces5-71
cleaningvinylandupholstery..5-75
clutch............................5-156
coolingsystem...................5-80
driver'schecklist................1-32
Eaton/Danaaxlelubrication....5-50
electricalsystem.................5-85
emergencywelding............5-110
engine............................5-99
exterior...........................5-71
framefastenertorque
requirements..............5-112
framefastenertorquetable....5-112
frontaxleandsuspension
lubrication..................5-114
fuelsystem......................5-109
Fullertransmissionlubrication.5-45
heater...........................5-120
inspection.......................5-115
lubricantspecications..........5-38
maintenanceschedule..........5-12
Meritoraxlelubrication..........5-49
noiseandemissioncontrol
standards..................5-122
oilchanges.......................5-48
paintedsurfaces.................5-71
preventivemaintenance..........5-9
rearaxlealignment.............5-137
rearaxleandsuspension......5-132
rearaxlelubrication............5-135
rearsuspensionfastenerstorque
table........................5-134
rearsuspensionU-bolttorque
table........................5-135
safetyrestraintsystem-
inspection...................5-75
safetyrestraintsystem-inspection
guidelines...................5-77
slidingfthwheel...............5-113
Spicertransmissionlubrication.5-47
stainlesssteel....................5-72
steeringanddriveline..........5-138
steeringgearlubrication........5-52
tailpipesurfacecleaning.......5-72
tires..............................5-143
transmission....................5-155
U-bolttorque....................5-116
U-bolttorquetable.............5-117
universaljointlubrication.......5-52
vehiclecleaning.................5-73
(03/17)Y53-6060-1C1Index-7
7
Index
washingchassis.................5-75
washingexterior.................5-74
wheelalignment................5-115
wheelbearinglubrication.......5-51
windshieldwiper/washer........5-79
MaintenanceProcedures
inspectionoftheengineoil
level........................5-100
toppinguptheengineoil......5-101
Maintenanceschedule..............5-9
Manualtransmission...............4-14
clutchbrake......................4-20
clutchtravel......................4-20
doubleclutching.................4-21
releasebearingwear............4-23
ridingtheclutch..................4-23
shiftinggears....................4-20
Masterlubricationindex...........5-41
Matchingtires.....................5-146
Menucontrolswitch.................3-8
Meritoraxlelubrication............5-49
Mirrorheatswitch..................3-54
N
Navigationsystem.................3-69
NHTSAconsumerinformation......6-8
Noiseandemissioncontrol
maintenance.................5-122
Noisecontrolinspections........5-124
airintakesystem...............5-124
dieselparticulatelters........5-126
enginefanandshroud.........5-128
enginemountednoise
insulators...................5-124
exhaustsystem.................5-125
exhausttailpipe................5-128
hoodinsulationblanket........5-128
innerfendershieldsandcab
skirt.........................5-129
jointsandclamps...............5-125
maintenancelog................5-129
piping............................5-126
Noiseemissionlabel.................6-6
O
Odometer...........................3-32
Off-roadABSfunctionswitch.....4-33
Oilchanges.........................5-48
Operatingprocedure
automaticandautomated
transmissions...............4-22
refueling..........................4-68
settingrideheight...............4-57
stoppingprocedures............4-69
transmissionretarder...........4-42
Outsideairtemperature...........3-33
Overinatedtires..................5-146
Overloadedtires..................5-145
P
Paintidenticationlabel.............6-6
Paintedsurfaces...................5-71
Painting............................5-111
Panellightdimmer.................3-49
Parkingbrake......................4-43
Parkingbrakevalve................3-57
Pipeandhoseclamptorque
values..................5-40,5-101
Powerdoorlockswitch............3-55
Powerlinecommunication(PLC).4-26
Powermirrorswitch................3-53
PowerPort..........................3-60
Powerwindowswitch..............3-54
Index-8Y53-6060-1C1(03/17)
7
Index
R
Radio................................3-70
Rearaxle-dualrange
(two-speed)....................4-48
Rearaxlealignment..............5-137
Rearaxleandsuspension
maintenance.................5-132
rearsuspensionfasteners.....5-134
visualinspection................5-133
Rearaxlelubrication..............5-135
Reardriveaxletemperature
gauge..........................3-40
Rearsuspensionfasteners......5-134
Rearsuspensionfastenerstorque
table...........................5-134
RearsuspensionU-bolttorque
table...........................5-135
Recoveryhitchcapacities.........2-18
Recoveryhitchconnection........2-14
Recoveryhitchinstallation........2-15
Recoveryprocedure...............2-13
Recoveryrigging...................2-19
Rellingyourradiator..............5-83
Refueling...........................4-67
fuelspecication.................4-68
Regenerationswitch...............3-52
Releasebearingwear.............4-23
Remotekeylessentry(RKE)......1-13
RemoteKeylessEntry(RKE).....5-98
batteries..........................1-14
keyfoboperation................1-13
keyfobsynchronization.........1-14
removingandinstallingbatteries.5-93
Replacingtires....................5-147
Returningvehicletoservice......2-20
Ridingtheclutch...................4-23
Rollstabilityprogram(RSP)......4-28
S
Safevehicleoperation.............1-29
Safety
cabandframeaccess..........1-11
deckplateaccess...............1-14
deatedairsprings..............4-60
driver'schecklist................1-32
emergencyequipmentkit.......1-31
safevehicleoperation...........1-29
safetyalerts........................1-4
settingrideheight...............4-57
vehicleloading...................1-30
vehiclesafety......................1-6
Safetyalerts..........................1-4
Safetyrestraintbelts...............1-21
beltdamageandrepair.........1-27
duringpregnancy................1-26
inspection........................5-75
safetyrestrainttips..............1-27
Safetyrestraintsystem
inspection........................5-75
Seatadjustment....................1-20
Driver'sseatwithair
suspension.................1-20
standarddriver'sseat...........1-20
Seatbelts...........................1-20
adjustments......................1-20
beltdamageandrepair.........1-27
duringpregnancy................1-26
Komfort-Latchfeature...........1-25
lap/shoulderbelt.................1-22
safetyrestrainttips..............1-27
Seats
adjustments......................1-20
Komfort-Latchfeature...........1-25
tetherbelts.......................1-24
Toadjustanexternaltetherbelt1-25
Seatsandrestraints...............1-20
ServiSignalMiniIndicator........5-107
(03/17)Y53-6060-1C1Index-9
7
Index
Settingrideheight.................4-57
Shiftpatterndisplay................3-61
Shut-down
fuelspecication.................4-68
locationoffuelshut-offvalves..4-68
refueling..........................4-67
Sliding5thwheel
maintenance....................5-113
SlidingFifthwheel
maintenance....................5-113
Speedrestrictedtires.............5-148
Speedometer.......................3-31
Spicertransmissionlubrication...5-47
Springbrakes—manualrelease..2-20
Stainlesssteel......................5-72
Startingprocedure
coldtemperature..................4-6
enginewarm-up...................4-7
normaltemperature...............4-5
StationaryPTOoperation.........4-11
Steeraxle
identication.......................6-7
Steeringanddriveline
maintenance.................5-138
uidlevelandrell.............5-139
Steeringcolumn
tilt/telescoping...................3-41
trailerbrakehandvalve.........3-46
turnsignal/highbeamswitch...3-42
Steeringcolumn-mountedcontrols
horn...............................3-46
Steeringgearlubrication..........5-52
Steeringsystemmaintenance
steeringshaft...................5-140
Stopenginelampturnson..........2-4
Suspensionlubrication...........5-114
Switches
airconditionerswitch............3-65
cruisecontrol....................4-44
dualrangerearaxleswitch.....4-48
enginefanswitch................4-11
freshair/recirculationswitch....3-66
off-roadABSfunctionswitch
(option)......................4-33
optionaldeepsnowandmud
switch.......................4-33
trailermarkerlightinterrupter
switch.......................3-42
turnsignal/highbeamswitch...3-42
windshieldwipers/washer......3-44
T
Tachometer.........................3-32
Tailpipesurfacecleaning.........5-72
Telematicsystem
careandoperation..............3-72
disclaimer........................3-73
Tetherbelts.........................1-24
Tilt/telescopingsteeringcolumn..3-41
Tireandrimdatalabel...............6-5
Tirechains.........................5-148
TireChains.........................2-23
Tires................................5-143
greenhousegascertiedtires.5-147
inationcheck..................5-143
replacement.....................5-147
tirechains.......................5-148
Tiresandwheels
wheelcapnuttorque
sequence..................5-150
wheelcapnuttorquetable....5-149
wheelmountingandfastening5-149
Toppinguptheengineoil........5-101
Towingthevehicle.................2-23
TrailerABS.........................4-26
Trailerairsupplyvalve............3-57
Trailerbrakehandvalve...........3-46
Index-10Y53-6060-1C1(03/17)
7
Index
Transmission
identication.......................6-7
introduction......................4-14
maintenance....................5-155
shiftinggearsinanewvehicle.4-20
transmissiontips................4-23
Transmissionmaintenance......5-155
Transmissionretarder.............4-42
Transmissions
automaticandautomated......4-22
auxiliarytransmission...........4-23
transmissionretarder...........4-42
Tripmeter...........................3-32
Turbocharger......................5-105
Turnsignal/highbeamswitch.....3-42
Two-speedrearaxleswitch.......3-56
U
U-bolttorque......................5-116
U-Joints............................5-142
Underinatedtires................5-144
Universaljointlubrication..........5-52
Usingthetachometer..............4-64
V
Vehiclecleaning....................5-73
Vehicleidentication
chassisnumber....................6-4
chassisnumberlocations.........6-4
VINnumber........................6-3
VINnumberlocations.............6-4
Vehicleloading.....................1-30
GAWR............................1-31
GCW..............................1-31
GVWR............................1-31
loaddistribution..................1-31
Vehiclerecovery
drivercontrolledmain
differential...................2-15
recoveryguidelines.............2-12
recoveryhitchcapacities.......2-18
recoveryhitchconnection......2-14
recoveryhitchinstallation.......2-15
recoveryprocedure.............2-13
recoveryrigging.................2-19
returningvehicletoservice.....2-20
sand,mud,snowandice.......2-22
springbrakes....................2-20
towingthevehicle...............2-23
Vehiclesafety........................1-6
Vehicletelematicsystem..........3-71
Vinylandupholstery
cleaning..........................5-75
W
Warninglight/indicatorsymbols..3-11
Warninglights........................3-9
Warningsymbols
description.......................3-19
Warning/informationalscreen.....3-73
Warranty..............................6-9
greenhousegastires..............6-9
Washingchassis...................5-75
Watertemperaturegauge.........3-35
Weeklychecks.....................1-35
Welding(emergency).............5-110
Whattodoif...........................2-3
engineisoverheating.............2-5
engineoilpressurelampturns
on..............................2-4
fuseorrelayblows................2-6
lowairalarmturnson.............2-3
stopenginelampturnson........2-4
youneedroadsideassistance...2-3
Wheelalignment..................5-115
(03/17)Y53-6060-1C1Index-11
7
Index
Wheelbearingadjustment.......5-154
Wheelbearinglubrication.........5-51
Wheelcapnuttorque.............5-149
Wheelmountingandfastening..5-149
Wheelreplacementwithdiscbrake
option.........................5-151
Wheelspincontrol.................4-32
Windshieldwiper/washer..........5-79
maintenance.....................5-79
Windshieldwipers/washer........3-44
Winterfronts........................4-12
Y
Yawcontrol.........................4-29
Yawstability........................4-29
Index-12Y53-6060-1C1(03/17)
7