Kenworth T170 Operator’s Manual Kenworth T170 Operator’s Manual

Contents

Safety

Emergency

Controls

Driving

Maintenance

Information

Index

1

2

3

4

5

6

7

©2017PACCARInc-AllRightsReserved

Thismanualillustratesanddescribestheoperationoffeaturesorequipmentwhichmaybeeitherstandardoroptionalon
thisvehicle.Thismanualmayalsoincludeadescriptionoffeaturesandequipmentwhicharenolongeravailableorwere
notorderedonthisvehicle.Pleasedisregardanyillustrationsordescriptionsrelatingtofeaturesorequipmentwhichare
notonthisvehicle.

PACCARreservestherighttodiscontinue,changespecications,orchangethedesignofitsvehiclesatanytime,without
noticeandwithoutincurringanyobligation.

TheinformationcontainedinthismanualisproprietarytoPACCAR.Reproduction,inwholeorinpart,byanymeansisstrictly
prohibitedwithoutpriorwrittenauthorizationfromP ACCARInc.

TruckModelExample

i

SAFETY

INTRODUCTION

AboutthisManual................1-3

SafetyAlerts..................1-3

VehicleSafety.................1-5

EnvironmentalProtection............1-6

DataRecorder.................1-7

Repairs....................1-7

GreenhouseGasCertication..........1-8

AdditionalSourcesofInformation.........1-9

CABANDFRAMEACCESS

Safety....................1-10

DoorLockandKeys.............1-11

RemoteKeylessEntry(Option).........1-12

GETTINGTOYOURENGINE

HoodHoldDowns...............1-15

HoodTilt...................1-15

HoodSafetyLock...............1-16

1

(03/17)Y53-1212-1C11-1

SAFETY

1

SEATSANDRESTRAINTS

Introduction.................1-18

SafetyRestraintBelts.............1-19

TetherBelts.................1-23

Komfort-Latch®Feature............1-24

DuringPregnancy...............1-25

BeltDamageandRepair............1-26

SafetyRestraintTips.............1-26

START-UP

Introduction.................1-28

SafeVehicleOperation............1-28

VehicleLoading................1-29

EmergencyEquipment............1-30

Driver'sCheckList..............1-30

1-2Y53-1212-1C1(03/17)

INTRODUCTION

INTRODUCTION

AboutthisManual

Congratulations!Y ourselectionofa
Kenworthtruckwasawiseinvestment.
Kenworthtrucksarerecognizedas
theindustrystandardforqualityand
reliability.

Pleasetakethetimetogetacquainted
withyourvehiclebyreadingthis
Operator’sManual.Werecommend
thatyoureadandunderstandthis
manualfrombeginningtoendbefore
youoperateyourtruck.Thismanual
explainsthesafe,efcientoperation
andmaintenanceofyourKenworth.

NOTE

Afteryou’vereadthismanual,it
shouldbestoredinthecabforcon­venientreferenceandremainwith
thistruckwhensold.

YourKenworthmaynothaveallthe
featuresoroptionsmentionedinthis
manual.Therefore,youshouldpay
carefulattentiontotheinstructionsthat
pertaintojustyourvehicle.Inaddition,
ifyourvehicleisequippedwithspecial
equipmentoroptionsnotdiscussedin
thismanual,consultyourdealerorthe
manufactureroftheequipment.

Allinformationcontainedinthis
manualisbasedonthelatest
productioninformationavailableatthe
timeofpublication.KenworthTruck
Companyreservestherighttomake
changesatanytimewithoutnotice.

SafetyAlerts

Pleasereadandfollowallofthe
safetyalertscontainedinthismanual.
Theyarethereforyourprotection
andinformation.Thesealertscan
helpyouavoidinjurytoyourself,your
passengers,andhelppreventcostly
damagetothevehicle.Safetyalerts
arehighlightedbysafetyalertsymbols
andsignalwordssuchas"WARNING",
"CAUTION",or"NOTE".Pleasedonot
ignoreanyofthesealerts.

1

(03/17)Y53-1212-1C11-3

INTRODUCTION

WARNING

1

WARNING!

Thesafetymessagefollowingthis
symbolandsignalwordprovidesa
warningagainstoperatingprocedures
whichcouldcauseinjuryorevendeath.
Theycouldalsocauseequipmentor
propertydamage.Thealertwillidentify
thehazard,howtoavoidit,andthe
probableconsequenceofnotavoiding
thehazard.

Example:

WARNING!

Donotattemptrepairworkwithout
sufcienttraining,servicemanuals,
andthepropertools.Youcouldbe
killedorinjured,oryoucouldmake
yourvehicleunsafe.Doonlythose
tasksyouarefullyqualiedtodo.

CAUTION

CAUTION

Thesafetyalertfollowingthissymbol
andsignalwordprovidesacaution
againstoperatingprocedureswhich
couldcauseequipmentorproperty
damage.Thealertwillidentifythe
hazard,howtoavoidit,andthe
probableconsequenceofnotavoiding
thehazard.

Example:

CAUTION

Continuingtooperateyourvehi­clewithinsufcientoilpressurewill
causeseriousenginedamage.Fail­uretocomplymayresultinequip­mentorpropertydamage.

NOTE

NOTE

Thealertfollowingthissymboland
signalwordprovidesimportant
informationthatisnotsafetyrelated
butshouldbefollowed.Thealert
willhighlightthingsthatmaynotbe
obviousandisusefultoyourefcient
operationofthevehicle.

Example:

NOTE

Pumpingtheacceleratorwillnotas­sistinstartingtheengine.

1-4Y53-1212-1C1(03/17)

INTRODUCTION

VehicleSafety

WARNING!

Donotdriveafterdrinkingalcoholor
usingothersubstancesthatmayaf­fectthesenses,includingprescrip­tionmedications.Y ourreexes,per­ceptions,andjudgmentcanbeaf­fectedbyevenasmallamountofal­coholorothersubstances,andcan
causeaseriousorevenfatalacci­dent.Failuretocomplymayresultin
death,personalinjury,orequipment
andpropertydamage.

WARNING!

Donottextwhiledriving.Y ourre­exes,perceptions,andjudgment
canbeaffectedwhiletextingor
usinganyotherformofmobilemes­sagingwhiledriving.Failuretocom­plymayresultindeath,personal
injury,orequipmentandproperty
damage.

MakesureyourKenworthisintop
workingconditionbeforeheading
outontheroad,itistheresponsible
driver'sdutytodoso.Inspectthe
vehicleaccordingtotheDriver'sCheck
Listbeginningonpage1-30.

EverynewKenworthvehicleis
designedtoconformtoallFederal
MotorVehicleSafetyStandards
applicableatthetimeofmanufacture.
Evenwiththesesafetyfeatures,
continuedsafeandreliableoperation
dependsgreatlyuponregularvehicle
maintenance.Followthemaintenance
recommendationsfoundinPreventive
Maintenanceonpage5-9.Thiswill
helppreserveyourinvestment.

Keepinmindthatevenawell
maintainedvehiclemustbeoperated
withintherangeofitsmechanical
capabilitiesandthelimitsofitsload
ratings.SeetheTireandRimWeight
Ratingslabelonthedriver'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
toknowaboutdrivingyourKenworth
vehicle.Forthatyouneedagood
trainingprogramortruckdriving

1

(03/17)Y53-1212-1C11-5

INTRODUCTION

school.Ifyouhavenotbeentrained,

1

getthepropertrainingbeforeyou
drive.Onlyqualieddriversshould
drivethisvehicle.

EnvironmentalProtection

WARNING!

Dieselengineexhaustandsome
ofitsconstituentsareknowntothe
StateofCaliforniatocausecancer,
birthdefects,andotherreproduc­tiveharm.Otherchemicalsinthis
vehiclearealsoknowntotheState
ofCaliforniatocausecancer,birth
defectsorotherreproductiveharm.
Thiswarningrequirementisman­datedbyCalifornialaw(Proposition

65)anddoesnotresultfromany
changeinthemannerinwhichvehi­clesaremanufactured.

Someoftheingredientsinengine
oil,hydraulicoil,transmissionand
axleoil,enginecoolant,dieselfuel,
airconditioningrefrigerant(R-134a
andPAGoil),batteries,etc.,may
contaminatetheenvironmentif
spilledornotdisposedofproperly.
Non-compliancewithenvironmental

regulationscanresultinnesand/orjail
terms.Contactyourlocalgovernment
agencyforinformationconcerning
properdisposal.

CaliforniaProposition65Warning

•Dieselengineexhaustandsome

ofitsconstituentsareknownto
theStateofCaliforniatocause
cancer,birthdefects,andother
reproductiveharm.

•Otherchemicalsinthisvehicle

arealsoknowntotheStateof
Californiatocausecancer,birth
defectsorotherreproductive
harm.

•Batteryposts,terminals,and

relatedaccessoriescontainlead
andleadcompounds,chemicals
knowntotheStateofCalifornia
tocausecancerandreproductive
harm.Washhandsafterhandling.

1-6Y53-1212-1C1(03/17)

INTRODUCTION

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–

•www.dmv .ca.gov

Repairs

WARNING!

Donotattemptrepairworkwithout
sufcienttraining,servicemanuals,
andthepropertools.Youcould
makeyourvehicleunsafe.Doonly
thosetasksyouarefullyqualiedto
do.Failuretocomplymayresultin
personalinjury,death,orequipment
andpropertydamage.

WARNING!

Modifyingyourvehiclecanmake
itunsafe.Somemodicationscan
affectyourvehicle'selectricalsys­tem,stability,orotherimportant
functions.Beforemodifyingyour
vehicle,checkwithyourdealerto
makesureitcanbedonesafely.
Impropermodicationsmayresultin
death,personalinjury,orequipment
andpropertydamage.

Yourdealer’sservicecenteristhebest
placetohaveyourvehiclerepaired.
Youcannddealersalloverthe
countrywiththeequipmentandtrained
personneltogetyoubackontheroad
quickly—andkeepyouthere.

Yourvehicleisacomplexmachine.
Anyoneattemptingrepairsonitneeds
goodmechanicaltrainingandthe
propertools.However,allwarranty
repairsmustbeperformedbyan
authorizedservicefacility.Ifyouaren’t
anexperiencedmechanic,ordon’t
havetherightequipment,please
leaveallrepairstoanauthorized
servicefacility.Theyaretheones
bestequippedtodothejobsafelyand
correctly.

Tondadealernearyou,giveusa
calltoll-FREEat1-800-KW-ASSIST
(1-800-592-7747)24-7-365days
ayearorvisitusonlineat
www.kenworth.comandclickon

1

(03/17)Y53-1212-1C11-7

INTRODUCTION

the"dealers"link.Whenitcomes

1

timeforservicework,yourKenworth
DealerwillneedyourVehicle
IdenticationNumber(VIN),see
VehicleIdenticationonpage6-4.

MaintenanceManuals

Ifyoudodecidetodoany
complexrepairwork,you’llneed
themaintenancemanuals.Orderthem
fromyourauthorizeddealer.Please
provideyourChassisSerialNumber
whenyouorder,tobesureyougetthe
correctmanualsforyourvehicle.Allow
aboutfourweeksfordelivery.There
willbeachargeforthesemanuals.

FinalChassisBillofMaterial

Acomplete,non-illustratedcomputer
printoutlistingofthepartsusedto
custom-buildyourvehicleisavailable
throughthedealerfromwhomyou
purchasedyourvehicle.

GreenhouseGas
Certication

Thisvehiclemaybeequippedwith
componentsthatareidentiedas
GreenhouseGasCertiedcomponents
(GHG).Alabelonthedoorisprinted
withcodesthatidentifythecomponents
manufacturedonthevehiclethatare
partoftheGHGcertication.The
codesaretranslatedinthefollowing
table:

Emission
Control
Identier

VSL,VSLS,
VSLE,or
VSLD

IRT5,IRTE

ATS

ARF

ARFRAdjustableheight

TGRGapreducingfairing

LRRA,
LRRD,or
LRRS

EmissionsRelated
Components

EngineSoftware
parametersthataffect
theVehicleSpeed
Limiter

Enginesoftware
parametersthataffect
theautomaticengine
shutdowntimer

Aerodynamicsideskirts
and/orfueltankfairings

Aerodynamicrooffairing

aerodynamicrooffairing

(tractortotrailer)

GreenhouseGas(GHG)
Tires

1-8Y53-1212-1C1(03/17)

INTRODUCTION

AdditionalSourcesof Information

InstalledEquipment-Operator's
Manuals

Majorcomponentsuppliersto
Kenworthalsosupplyoperation
manualsspecictotheirproducts.
Additionalmanualsandotherpieces
ofliteratureareincludedintheglove
boxliteraturepackage.Lookfor
informationonproductssuchasthe
engine,driver'sseat,transmission,
axles,wheels,tires,ABS/ESP(if
applicable)andradio.Ifyouare
missingthesepiecesofliterature,ask
yourKenworthDealerforcopies.

OtherSources

Anotherplacetolearnmoreabout
truckingisfromlocaltruckdriving
schools.Contactonenearyoutolearn
aboutcoursestheyoffer.

Federalandstateagenciessuch
asthedepartmentoflicensingalso
haveinformation.TheInterstate
CommerceCommissioncangive
youinformationaboutregulations
governingtransportationacrossstate
lines.

1

(03/17)Y53-1212-1C11-9

CABANDFRAMEACCESS

CABANDFRAME

1

ACCESS

Safety

Thefollowingcabandframeentry/exit
procedurerecommendationswere
preparedwithpersonalsafetyforemost
inmind.

WARNING!

Donotjumpoutofthecaborgetinto
thecabwithoutpropercaution.You
couldsliporfall,possiblysuffering
deathorpersonalinjury .Youcould
slipandfallifthestepsarewetoricy,
orifyoustepinfuel,oil,orgrease.

Tohelpavoidpersonalinjurydueto
asliporfall:

•Alwaysfacethevehiclewhen

accessingorleavingthecabor
frameaccessarea.

•Usethreepointsofcontact

(twofeetonehandoronefoot
twohands)togripthestepsor
handholdswheneverpossibleand
lookwhereyouaregoing.

•Useevenmorecarewhensteps

andhandholds(orfootwear)are
wet,coatedwithice,snow,mud,
oil,fuel,orgrease.

WARNING!

Donotsteponvehiclecomponents
withoutanti-skidsurfacesoruse
componentsnotdesignedforen­try-and-exituse.Youcouldfalland
injureorkillyourselfifyousteponto
aslipperysurface.

•Donotstepontothesurfaceof

afueltank.Afueltankisnota
step.Thetanksurfacecanget
veryslippery ,andyoumightnotbe
abletopreventafall.Useonlythe

stepsandhandholdsprovided,not
chainhooks,quarterfenders,etc.

•Keepstepsclean.Cleananyfuel,

oil,orgreaseoffthestepsbefore
enteringthecab.

WARNING!

Alwaysreinstallthebatterycompart­mentcover(step)beforeentering
thecab.Withoutthebatterycover
inplace,youcouldslipandfall,re­sultinginpossibleinjurytoyourself.

1-10Y53-1212-1C1(03/17)

CABANDFRAMEACCESS

DoorLockandKeys

Doorscanbelockedfromtheinsideby
usingthelockbutton.Closethedoor
thenpushthebuttondowntolock.
Doorsautomaticallyunlockwhenyou
openthemfrominside,andcanbe
lockedfromtheoutsidewiththekey
only.

Asstandardequipment,twokeysare
providedforthedoorsandignition.
Whennecessary,additionallocks
andkeysareprovidedforstorage
compartments.

WARNING!

Tolessenthechanceand/orseverity
ofpersonalinjuryincaseofanac­cident,alwayslockthedoorswhile
driving.Alongwithusingthelap/
shoulderbeltsproperly,lockingthe
doorshelpspreventoccupantsfrom
beingthrownfromthevehicle.Fail­uretocomplymayresultindeathor
personalinjury .

Tolockorunlockthedoorsfrom
outsidethecab:

•Insertthekeyinthedoorlock.

•Turnthekeytowardthereardoor

frametolock;forwardtounlock.

1

(03/17)Y53-1212-1C11-11

CABANDFRAMEACCESS

RemoteKeylessEntry

1

(Option)

Thisvehiclemaybeequippedwitha
RemoteKeylessEntry(RKE)system
thataddssecurityandconvenienceto
yourKenworthtruck.Thesystemwill
lockorunlockthedriver'sdoorand
passenger'sdoorwiththekeyfoband
alertyouwithparkinglightswhenthe
selecteddoorsarelockedorunlocked.
Thesystemincludestwokeyfobsthat
providesecurerollingcodetechnology
thatpreventssomeonefromrecording
theentrysignal.

FCCID:L2C0031TIC:3432A-0031T

FCCID:L2C0032RIC:3432A-0032R

ThisdevicecomplieswithPart15of
theFCCRulesandwithRSS-210of
IndustryCanada.Operationissubject
tothefollowingtwoconditions:

1.Thisdevicemaynotcauseharmful
interference.

2.Thisdevicemustacceptany
interferencereceived,including
interferencethatmaycause
undesiredoperation.

NOTE

Changesormodicationsnotex­pressivelyapprovedbytheparty
responsibleforcompliancecould
voidtheuser'sauthoritytooperate
theequipment.Theterm"IC:"be­foretheradiocerticationnumber
onlysigniesthatIndustryCanada
technicalspecicationsweremet.

Operation
ToUnlocktheDriver'sDoor

PresstheUNLOCKbuttononce.The
driver'sdoorwillunlockandtheparking
lightswillcomeonfor40seconds.

ToUnlockthePassenger'sDoor

PresstheUNLOCKbuttononceand
pressagainwithin5seconds.The
passengerdoorwillunlock.

ToLockBothDoors

PresstheLOCKbutton.Thedoorswill
lockandtheparkinglightswillcome
onfor2seconds.Ifthedoorsareopen
theywillnotlock.

NOTE

Ifthissystemisretrotonvehicles
builtbeforeMarch2002,doorsmay
lockwhenopen.

1-12Y53-1212-1C1(03/17)

CABANDFRAMEACCESS

TherangeoftheRKEsystemshould
beapproximately30feet.Thiswill
bereducedifitisoperatedcloseto
otherRFsourcessuchasTV/radio
transmittersandcelltowers.

Batteries

ThekeyfobusesoneCR2032,
3Vbattery.Batteriesshouldlast
approximatelythreeyears,depending
onuse.Consistentlyreducedrange
isanindicatorthatthebatteryneeds
replacement.Batteriesareavailable
atmostdiscount,hardwareanddrug
stores.

ToReplacetheBattery

1.Removerearcoverfromkeyfob.

2.Removethebattery.

3.Installnewbattery.

4.Reinstallcover.

5.Synchronizethekeyfob.

Synchronization

Thekeyfobmayneedtobe
synchronizedtothevehiclewhenthe
batteryisreplaced,orwhenthekey
fobhasnotbeenusedforanextended
periodtime.

ToSynchronizeaKeyFob

1.Holdthekeyfobnearthecenter
gaugearea(middleofthe
instrumentpanel).

2.Presseitherthelockorunlock
buttontwicewithin2seconds.

°Whenthekeyfobis

resynchronized,thedoors
willlockorunlock.

°Ifthefobfailstosynchronize,

itcouldbeprogrammedtoa
differentvehicleorcouldhave
failed.

1

(03/17)Y53-1212-1C11-13

CABANDFRAMEACCESS

1

SeeRemoteKeylessEntry
Troubleshootingonpage5-82,
formoreinformation.

1-14Y53-1212-1C1(03/17)

GETTINGTOYOURENGINE

GETTINGTOYOUR
ENGINE

HoodHoldDowns

Thehoodislockedinpositionbytwo
externallatches.Theselatchesserve
asholddownsandkeepthehoodfrom
openingunexpectedly .

Toopenthehood:

A.Unlatchthehoodholddowns(one
oneachsideofthehood)

1.HoodLatch:pulloutto
release

CAUTION

Ifyoudonotlatchyourhoodse­curely,itcouldopenduringopera­tionandcausevehicledamage.Be
suretolatchthehoodsecurely.

HoodTilt

B.PutonehandontheKWemblem,
onefootonthebumper,andonefoot
ontheground.Tiltthehoodforward.

1

(03/17)Y53-1212-1C11-15

GETTINGTOYOURENGINE

Cablesattachedtothehoodwillhold

1

thehoodinitsproperforward(open)
position.

WARNING!

Ahoodcouldhurtsomeoneinthe
wayofitsdescent.Beforelowering
thehood,besuretherearenopeo­pleorobjectsintheway.

HoodSafetyLock

Afteropeningthehood,checktosee
thatthehoodislockedopen.The
HoodSafetyLockismountedonthe
hoodhinge,underneaththehoodon
therightside.Itlocksthehoodinthe
uprightposition,preventingthehood
fromclosing.

IftheHoodSafetyLockmalfunctions,
haveitrepairedbyanAuthorized
ServiceCenterorKenworthDealer.

Toclosethehood,youmustrst
releasetheLock.

WARNING!

Ifthehoodfalls,anyoneunderit
couldbeinjured.Alwayslockthe
hoodinitsopenpositionanytime
anyonegetsunderthehoodforany
reason.

•Neverworkunderthehoodunless

thehoodissecurelylocked.

•Thehoodcouldhurtsomeonethat

isinthewayofitsdescent.Before
loweringthehood,besureno
objectsorpeopleareintheway.

WARNING!

Ifthehoodisnotlatchedsecurely,
itcouldopenduringoperationand
causeanaccident.Besurethehood
islatchedsecurelybeforemoving
thevehicle.

1-16Y53-1212-1C1(03/17)

Hoodinopenpositionwithlocklocked

1HoodSafetyLock
2ReleaseT ab
3HoodHinge

GETTINGTOYOURENGINE

1

Hoodinopenpositionwithlock

releasedreadytoclose

1HoodSafetyLock
2ReleaseT ab
3HoodHinge

•Toreleasehoodsafetylock,lift

releasetabuntillockpivotstothe
releasedposition.
Thehoodcannowbeloweredand
latchedintoplace.
SeeHoodSafetyLockonpage
5-64,formaintenance.

(03/17)Y53-1212-1C11-17

SEATSANDRESTRAINTS

SEATSAND

1

RESTRAINTS

Introduction

Thissectioncoverstheoperation
andsafeuseofyourKenworthseats.
Forfurtherinformationonfeatures
andadjustmentoftheseat,seethe
manufacturer'sServiceandOperation
Manualincludedwiththevehicle.

SeatAdjustment

WARNING!

Donotadjustthedriver'sseatwhile
thevehicleismoving.Theseat
couldmovesuddenlyandunexpect­edlyandcancausethedriverto
losecontrolofthevehicle.Makeall
adjustmentstotheseatwhilethe
vehicleisstopped.Afteradjusting
theseatandbeforedrivingoff,al­wayschecktoensurethattheseat
isrmlylatchedinposition.Failure
tocomplymayresultindeath,per­sonalinjury,equipmentorproperty
damage.

NOTE

Afteradjustingtheseatandbefore
drivingoff,alwayschecktoensure
thattheseatisrmlylatchedinpo­sition.

StandardDriver'sSeat

Thestandarddriver'sseatcanbe
adjustedforwardandrearwardaswell
asupanddown.Theseatbackangle
canalsobeadjusted.Thesethree
movementsareeachcontrolledby
leverslocatedeitherbeneathoratthe
sidesoftheseat.

Driver'sSeatwithAirSuspension

WARNING!

Beforedrivingorridinginvehi­cle,ensurethatthereisadequate
headclearanceatmaximumupward
travelofseat.Injurymayoccurif
headclearanceisnotadequate.
Failuretocomplymayresultinper­sonalinjuryordeath.

1-18Y53-1212-1C1(03/17)

SEATSANDRESTRAINTS

RecliningSeats

•Makesurethesleepercurtainis

tiedback.

•Raisetheseatallthewayup

sothattheseatwilltiltbackand
completelyclearobjectsbehind
you.

WARNING!

Donotdriveorridewithyourseat
backinthereclinedposition.Y ou
couldbeinjuredbyslidingunderthe
seatbeltsinacollision.Failureto
complymayresultinpersonalinjury
ordeath.

SafetyRestraintBelts

Safetybeltshaveproventobe
thesinglemosteffectivemeans
availableforreducingthepotential
foreitherinjuryordeathinmotor
vehicleaccidents.Therefore,read
thefollowinginstructionsandalways
observeuserwarningspertainingto
safetybelts.

WARNING!

Donotdrivevehiclewithoutyour
seatbeltandyourridersbeltsfas­tened.Unbeltedriderscouldbe
thrownintothewindshieldorother
partsofthecaborcouldbethrown
outofthecab.Injuriescanbemuch
worsewhenridersareunbelted.Al­waysfastenyourseatbeltandbe
sureanyoneridingwithyoudoes
thesame.Failuretocomplymay
resultinpersonalinjuryordeath.

1

UnbeltedPersoninCrash

Yourvehiclemaybeequipped
withaseatbeltindicatorinthe
warninglightdisplayabovethe
speedometer/tachometer("SeatBelt,
Fasten""SeatBelt,Fasten"onpage
3-41).Itwillturnoniftheseatbeltis
notfastenedandtheignitionkeyis
turnedon.

(03/17)Y53-1212-1C11-19

SEATSANDRESTRAINTS

Lap/ShoulderBelt

1

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.Pullbelttocheckforproper
fastening.

°Pullshouldersectiontomake

surebelttssnuglyacrossthe
chest.

°Theshoulderbeltmustbe

positionedovertheshoulder,
itmustneverrestagainstthe
neck.

°Beltsshouldtsnuglyacross

thepelvisandchest.
Makesureanyslackiswound
upontheretractor.

Tounfastenthebelt:

•Pushinthereleasebuttononthe

buckle.Thebeltwillspringoutof
thebuckle.

•Toreleasealockedbelt,leanback

totakethebodypressureoffof
thebelt.

•Tostorealap-shoulderbelt,allow

thebelttowindupontheretractor
byguidingthebelttongueuntilthe
beltcomestoastop.

ProperSafetyBeltAdjustment

Yourcombinationlap-shoulderbelt
mayneedadjustment.Adjustsafety
beltsproperly .

•Thelapbeltshouldbewornaslow

andtightonthehipsaspossible.
Makesureanyslackistakenup
bythebeltmechanism.

•Theshoulderbeltshouldtsnugly

acrossyourbody .Itshould
bepositionedmidwayoverthe
shoulder(thatisnexttothedoor);
itshouldneverrestagainstyour
neck.

1-20Y53-1212-1C1(03/17)

SEATSANDRESTRAINTS

SafetyRestraintBelts

LapBelt

CorrectIncorrect(toohighonhips)Correct(overarm)Incorrect(under

•Besure,also,thatyourbeltisnot

tooloose.Aloosebeltcouldallow
youtoslideunderitinanaccident,
andthatcouldbringthebeltup
aroundyourabdomen.

•Ensurethatyoudonottwistthe

beltintheprocessofputtingiton.

Atwistedbeltwillnotworkaswell
toprotectyou.

1

ShoulderBelt

Incorrect(twisted)

arm)

WARNING!

Properseatbeltadjustmentanduse
isimportanttomaximizeoccupant
safety.Failuretowearoradjustthe
safetybeltproperlymayresultin
deathorpersonalinjury .

(03/17)Y53-1212-1C11-21

SEATSANDRESTRAINTS

•Youcanbeinjuredifyour

1

beltisbuckledtoohigh.In
acrash,itwouldapplyforce
toyourabdomen,notyour
pelvicbones.Thiscanresultin
internalinjuries.

•Donotdrivewithyourseatbelt

loose.Atoo-looseseatbeltcan
allowyoutofalltoofarforward,
possiblycausingheadandneck
injuries.Youcouldstrikethe
wheelorthewindshield.Adjust
yourbeltsothatthereisno
morethan1in.(25mm)ofslack.

WARNING!

Donotweartheshoulderpartof
beltunderyourarmorotherwiseout
ofposition.Inacrashyourbody
wouldmovetoofarforward,increas­ingthechanceofheadandneckin­jury.Also,thebeltwouldapplytoo
muchforcetotheribs,whicharenot
asstrongasyourshoulderbones,
andcouldcauseyoutosufferinter­nalinjuries.Weartheshoulderbelt
overyourshoulder(seeSafetyRe­straintBeltsonpage1-21).Failure
tocomplymayresultinpersonalin­juryordeath.

WARNING!

Donottwistthebeltintheprocess
ofputtingiton.Atwistedbeltwill
notworkaswelltoprotectyou.Ina
crash,thefullwidthofthebeltwould
notbeprotectingyou.Atwistedbelt
couldcutintoyourbodyandcause
injuries.Straightenthebeltbefore
bucklingit.Ifyouareunabletowear
itwithouttwistingit,haveyourdealer
orservicepersonrepairitassoon
aspossible.Failuretocomplymay
resultinpersonalinjuryordeath.

1-22Y53-1212-1C1(03/17)

SEATSANDRESTRAINTS

TetherBelts

Tetherbeltsareinstalledonsuspension
seats.Theyhelpsecuretheseattothe
oortorestrainitincaseofasudden
stoporanaccident.

FixedT ethers

IfyourKenworthhasbeenequipped
withxedlengthtethers,nomanual
adjustmentisrequired.Thesame
inspectionandreplacementguidelines
shouldbeusedasstatedinSafety
RestraintSystem-Inspectiononpage
5-60.

WARNING!

Donotremove,modify,orreplace
thetetherbeltsystemwithadiffer­enttethersystem.Afailedormiss­ingtetherbeltcouldallowtheseat
basetofullyextendintheeventof
anaccident.Failuretocomplymay
resultindeathorpersonalinjury .

WARNING!

Failuretoadjusttetherbeltsproperly
cancauseexcessivemovementof
theseatinanaccident.T etherbelts
shouldbeadjustedsothattheyare
tautwhentheseatisinitsmostup­wardandforwardposition.Failure
tocomplymayresultindeathorper­sonalinjury.

WARNING!

Beforedrivingorridinginavehi­cle,ensurethatthereisadequate
headclearanceatmaximumupward
travelofseat.Shortenthetetherbelt
asnecessarytoprovideadequate
headclearance.Injuryordeathmay
occurifheadclearanceisnotade­quate.

1

(03/17)Y53-1212-1C11-23

SEATSANDRESTRAINTS

TetherAdjustment

1

•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.

WARNING!

DonotsettheKomfortLatchwithtoo
muchslack.T oomuchslackmay
reducetheeffectivenessoftheseat
belt.Failuretocomplymayresultin
deathorpersonalinjury .

1-24Y53-1212-1C1(03/17)

SEATSANDRESTRAINTS

Komfort-Latch®

Moreinformationandvideo
tutorialscanbefoundat:
www.clicktugsnug.com

DuringPregnancy

Pregnantwomenshouldalwayswear
combinationlap/shoulderbelts.The
lapbeltportionmustbewornsnugly
andaslowaspossibleacrossthe
pelvis.T oavoidpressureonthe
abdomen,thebeltmustneverpass
overthewaist.Sometimespregnant
womenworrythatinacrashtheseat
beltcouldhurtthebaby .Butifa
womanwearsherbeltproperly,low
overherpelvis,belowherabdomen,
thebeltwillnotharmthebaby,evenin
acrash.Andremember,thebestway
tokeepanunbornbabysafeistokeep
themothersafe.

1

PregnantWomanwithBeltProperly

Worn

(03/17)Y53-1212-1C11-25

SEATSANDRESTRAINTS

BeltDamageandRepair

1

Damagedbeltsinthecabmust
bereplaced.Beltsthathavebeen
stretched,cut,orwornoutmaynot
protectyouinanaccident.

Ifanyseatbeltisnotworkingproperly,
seeanAuthorizedServiceCenterfor
repairorreplacement.

Forfurtherinformationonseatbelts
andseatbeltmaintenance,seeSafety
RestraintSystem-Inspectiononpage
5-60.

SafetyRestraintTips

•Anyoneridinginyourvehicle

shouldwearaseatbelt.A
responsibleoperatorseestoit
thateveryoneinthevehiclerides
safelyandthatmeanswithaseat
belt.

•Donotwearabeltoverrigidor

breakableobjectsinoronyour
clothing,suchaseyeglasses,
pens,keys,etc.,asthesemay
causeinjuryinanaccident.

•Severallayersofheavyclothing

mayinterferewithproper
positioningofbeltsandreduce
theoveralleffectivenessofthe
system.

•Anyauthorizedpersonsleeping

inyourvehiclewhileitismoving
shouldusethebunkrestraint.

•Anyauthorizedpersonsittingin

thesleeperareaonthesofabed

(ifequipped)whileitismoving
shouldwearaseatbelt.

•Aresponsibleoperatorseestoit

thateveryoneinthevehiclerides
orsleepssafely .Theoperator
isresponsibletoinformany
passengersorco-drivershowto
properlyusetheseatbeltsand
bunkrestraintinthevehicle.

•Donotstrapinmorethanone

personwitheachbelt.

•Keepseatbeltandbunkrestraint

bucklesfreeofanyobstruction
thatmaypreventsecurelocking.

•Damagedorwornbeltsinthecab

orsleeper,subjectedtoexcessive
stretchforcesfromnormalwear,
mustbereplaced.Theymay
notprotectyouifyouhavean
accident.

•Anybeltsorrestraintsthathave

beensubjectedtoanaccident

1-26Y53-1212-1C1(03/17)

SEATSANDRESTRAINTS

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

(03/17)Y53-1212-1C11-27

START-UP

START-UP

1

Introduction

Thefollowingsectioncoversstart-up
proceduresforgettingyourKenworth
readyfortheroad.

SafeVehicleOperation

Foryoursafety,aswellasthose
aroundyou,bearesponsibledriver:

•Ifyoudrink,donotdrive.

•Donotdriveifyouaretired,ill,or

underemotionalstress.

Muchhasgoneintothemanufacturing
ofyourKenworth,includingadvanced
engineeringtechniques,rigidquality
control,anddemandinginspections.
Thesemanufacturingprocesseswill
beenhancedbyyou,thesafedriver ,
whoobservesthefollowing:

•knowsandunderstandshowto

operatethevehicleandallits
controls

•maintainsthevehicleproperly

•usesdrivingskillswisely

Formoreinformation,referto
DepartmentofTransportation
Regulation392.7,whichstatesthat
interstatecommercialmotorvehicles
arenottobedrivenunlessthedriveris
surethatcertainpartsandaccessories
areinworkingorder.

WARNING!

Donotdriveafterdrinkingalcoholor
usingothersubstancesthatmayaf­fectthesenses,includingprescrip­tionmedications.Y ourreexes,per­ceptions,andjudgmentcanbeaf­fectedbyevenasmallamountofal­coholorothersubstances,andcan
causeaseriousorevenfatalacci­dent.Failuretocomplymayresultin
death,personalinjury,orequipment
andpropertydamage.

1-28Y53-1212-1C1(03/17)

START-UP

WARNING!

Theuseofalcohol,drugs,andcer­tainmedicationswillseriouslyim­pairperception,reactions,anddriv­ingability.Thesecircumstancescan
substantiallyincreasetheriskofan
accident.Failuretocomplymayre­sultindeath,personalinjury,equip­mentorpropertydamage.

WARNING!

Donottextwhiledriving.Y ourre­exes,perceptions,andjudgment
canbeaffectedwhiletextingor
usinganyotherformofmobilemes­sagingwhiledriving.Failuretocom­plymayresultindeath,personal
injury,orequipmentandproperty
damage.

VehicleLoading

Compareyourvehicle'sloadcapacity
withthetotalloadyouarecarrying.If
adjustmentsneedtobemade,make
them,donotdriveanoverloaded
vehicle.Ifyouareoverloadedoryour
loadhasshifted,yourvehiclemaybe
unsafetodrive.

WARNING!

Donotexceedthespeciedloadrat­ing.Overloadingcanresultinloss
ofvehiclecontrol,eitherbycausing
componentfailuresorbyaffecting
vehiclehandling.Exceedingload
ratingscanalsoshortentheservice
lifeofthevehicle.Failuretocomply
mayresultindeathorpersonalin­jury.

•Thecomponentsofyour

vehiclearedesignedtoprovide
satisfactoryserviceifthe
vehicleisnotloadedinexcess
ofeitherthegrossvehicle

weightrating(GVWR),orthe
maximumfrontandreargross
axleweightratings(GAWRs).
(Axleweightratingsarelisted
onthedriver'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

1

(03/17)Y53-1212-1C11-29

START-UP

ground.Youwillndthisnumberlisted

1

onthedriver'sdooredge.

LoadDistribution:besureanyload
youcarryisdistributedsothatnoaxle
hastosupportmorethanitsGAWR.

WARNING!

Anunevenlydistributedloadora
loadtooheavyoveroneaxlecanaf­fectthebrakingandhandlingofyour
vehicle,whichcouldresultinanac­cident.Evenifyourloadisunderthe
legallimits,besureitisdistributed
evenly.Failuretocomplymayresult
indeath,personalinjury ,equipment
orpropertydamage.

EmergencyEquipment

Itisgoodpracticetocarryan
emergencyequipmentkitinyour
vehicle.Oneday,ifyouhavea
roadsideemergency ,youwillbeglad
thefollowingitemsarewithyou:

•windowscraper

•snowbrush

•containerorbagofsandorsalt

•emergencylight

•triangles

•smallshovel

•rstaidkit

•reextinguisher

•vehiclerecoveryhitches(see

VehicleRecoveryGuidelineson
page2-12fordetails).

Driver'sCheckList

TokeepyourKenworthintopshape
andmaintainahighlevelofsafety
foryou,yourpassengers,andyour
load,makeathoroughinspection
everydaybeforeyoudrive.Y ouwill
savemaintenancetimelater,andthe
safetycheckscouldhelppreventa
seriousaccident.Pleaseremember,
too,thatFederalMotorCarrierSafety
Regulation392.7requiresapre-trip
inspectionandsodocommercial
truckingcompanies.

Youarenotexpectedtobecomea
professionalmechanic.Thepurpose
ofyourinspectionsistondanything
thatmightinterferewiththesafeand
efcienttransportationofyourself,any
passengers,andyourload.Ifyoudo
ndsomethingwrongandcannotxit
yourself,haveanauthorizedKenworth
Dealerorqualiedmechanicrepair
yourvehiclerightaway .

1-30Y53-1212-1C1(03/17)

START-UP

Thefollowingoperationsaretobe
performedbythedriver.Performing
thesechecksandfollowingthe
maintenanceproceduresinthis
manualwillhelpkeepyourKenworth
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?

DailyChecks

EngineCompartmentChecks-Daily

1.EngineFluidLevels-addmoreif
necessary.

°Engineoil

°Coolant(checkwhileengine

iscold)

°Powersteeringuidlevel

2.EngineBelt-checktensionand
conditionofbelts.Thisisimportant
toensureproperaircompressor
andengineoperation.

°Measurethebelttension

atthelongestspanofthe
belt.SeeAccessoryDrive
Beltsonpage5-94forfurther
informationoncheckingbelt
tension.

1

(03/17)Y53-1212-1C11-31

START-UP

1

Deectionshouldbeonebeltthick­nessforeachfootdistancebetween
thepulleycenters.

°Ifbreaksortearsarefound,

thebeltshouldbereplaced
beforeoperatingthevehicle.

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.

NOTE

6.Hoodclosedbeforeenteringcab.
Isitlatchedproperly?

7.Fortruckswithhydraulicbrakes:
checkthehydraulicbrakeuid
level.Makesurethattheuidlevel
registersonorabovetheuidlevel
markmoldedonthereservoir.

WARNING!

Wearprotectiveclothingandeye
protectionwhenhandlinghydraulic
uid.Itismildlytoxicandcancause
skinandeyeirritation.

WARNING!

Useonlythetypeofhydraulicuid
specied.(SeeTable9,Mainte­nanceScheduleonpage5-18)Do
notuseormixdifferenttypesofhy­draulicuid.Thewronghydraulic
uidwilldamagetherubberpartsof
thebrakesystemwhichmayleadto
lossofbrakingandpossiblycause
seriouspersonalinjury .

CAUTION

Hydraulicbrakesystemsusetwodis­tinctandincompatibleuids.Power
steeringuidisusedinthehydraulic
brakeboostersystem.Brakeuid
isusedinthemastercylinderand
brakepipes.Donotmixtheseuids
whenreplenishingthesystemorseal
damagecanresult.

CAUTION

Hydraulicbrakeuidmaydamage
paintedsurfacesofthevehicle.Pro­tectorcoveranypaintedsurfaces
thatmaycomeincontactwithbrake
uid.

1-32Y53-1212-1C1(03/17)

START-UP

BoosterandMasterCylinderAssembly

1RellCaps

1.Removeeachreservoircapand
extracttherubberdiaphragmfrom
eachreservoir.

2.Filleachreservoirwithclean
hydraulicuidoftheapproved
specication.(SeeT able9,
MaintenanceScheduleonpage
5-18)

3.Inserttherubberdiaphragmsinto
thereservoirs.

4.Topreventleakagefromthe
reservoirs,ensurethattheseal
ineachreservoircapisingood
conditionbeforerettingthecap.

WARNING!

Ifthebrakeuidreservoirrequires
anexcessiveamountofhydraulic
uid,thecompletesystemmustbe
inspectedforleaksandrepaired
ifnecessary(consultyournearest
Kenworthdealer).Failuretokeep
thebrakesystemingoodrepairmay
leadtolossofbrakingandpossibly
causedeathorpersonalinjury.

ChassisandCabChecks-Daily

Beforeenteringthecabandoperating
thevehicle,checkthefollowing
equipmentforpropermaintenance:

1.Lights-doheadlights,turnsignals,
emergencyashers,andexterior

lampsfunctionandaretheyclean
andadjustedproperly?

2.WindowsandMirrors-arethey
cleanandadjustedproperly?

3.TiresandWheels-arethey
inatedproperly?Areallwheel
capnutsinplaceandtorqued
properly-tightenifnecessary.
Checkfrontwheelbearingoil
levels.Inspectalltiresandwheels
fordamage-correctiffound.

4.Suspension-checkforlooseor
missingfasteners.Checkdamage
tospringsorothersuspension
parts.

5.BrakeComponents-checklines,
linkages,chambers,parkingand
servicebrakeoperation.

6.AirSystem-arethereleaks?

°AirT anks-drainwaterfrom

allairtanks.Makesurethe
draincocksareclosed.This
procedureisalsorequiredfor

1

(03/17)Y53-1212-1C11-33

START-UP

1

airsuspensiontanksequipped
withautomaticdrainvalves.

°ForfurtherdetailsSeeUsing

theBrakeSystemonpage
4-15.

7.Fortruckswithhydraulicbrakes:

°Checkbrakesystemforleaks.

°Checkhydrauliclinesfor

cracksorkinks.

°Checkcalipersforleaks.

Haveanyproblemscorrected
beforeoperatingthevehicle.

8.StepsandHandholds-check
forwornsurfacesandlooseor
missingfasteners.

9.FluidTanks-checkunderneath
thevehicleforsignsofuidleaks.
Ifanyarefound,correctbefore
operatingthevehicle.

10.FuelT ankCaps-aretheysecure?

WARNING!

Donotremoveafueltankcapnear
anopename.Dieselfuelinthe
presenceofanignitionsource(such
asacigarette)couldcauseanexplo­sion.Amixtureofgasolineoralcohol
withdieselfuelincreasesthisriskof
explosion.Useonlythefueland/or
additivesrecommendedforyouren­gine.Failuretocomplymayresultin
personalinjury,death,equipmentor
propertydamage.SeeRefuelingon
page4-80,formoreinformation.

11.TrailerConnections-arethey
secureandthelinesclear?If
theyarenotbeingused,arethey
storedproperly?

°Isthetrailersparewheel

secureandinated?

°Isthelandinggearupandthe

handlesecured?

CabInterior-Daily

1.Seat-adjusttheseatforeasy
reachofcontrols.

2.SeatBelts-fastenandadjust
safetyrestraintbelts.

3.SteeringColumn-adjustforeasy
reach.

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?

1-34Y53-1212-1C1(03/17)

START-UP

NOTE

Theaboveitems(EngineCompart­ment,ChassisandCab,andPrestart
Checks)shouldbecheckeddaily ,as
aminimum.Theyareinadditionto,
notinplaceofFederalMotorCarrier
SafetyRegulations.Theseregula­tionsmaybepurchasedbywritingto:
SuperintendentofDocuments
U.S.GovernmentPrintingOfce
Washington,DC20402

WeeklyOperations

1.Battery-checkbatteryand
terminals.

2.WheelCapNuts-aretheyall
inplaceandtorquedproperly­tightenifnecessary.SeeWheel
CapNutT orqueonpage5-130.

3.OtherControlsandWiring-check
forconditionandadjustment

4.SteeringComponents-check
pitmanarm,draglink,andpower
steeringhoses,etc.,forloose,
broken,ormissingparts.

5.OtherEngineCompartment
Checks

•Checkconditionandfasteningof

enginebelt,hoses,clamps,and
radiator.

•Checktheaircleaner,mufer,and

exhaustpipes.Aretheytightand
secure?

•AfterEngineWarm-up

°AutomaticTransmission

-checkuidlevelinthe
automatictransmissionoil(if
equipped).

1

(03/17)Y53-1212-1C11-35

WHATTODOIF ...

YouNeedRoadsideAssistance..........2-3

LowAirAlarmTurnsOn.............2-3

StopEngineLampTurnsOn...........2-4

EngineOilPressureLampTurnsOn........2-4

CheckEngineLampTurnsOn..........2-5

EngineisOverheating..............2-5

FuseorRelayBlows..............2-7

JUMPSTARTINGVEHICLES

Introduction..................2-9

VEHICLERECOVERYANDSPRINGBRAKES

Introduction.................2-12

VehicleRecoveryInstructions.........2-12

RecoveryRigging...............2-14

ReturningVehicletoService..........2-15

SpringBrakes-ManualRelease........2-15

FreeingtheVehiclefromSand,Mud,SnowandIce2-17

EMERGENCY

2

(03/17)Y53-1212-1C12-1

WHATTODOIF ...

WHATTODOIF...

YouNeedRoadside Assistance

Calltoll-FREE1-800-KW-ASSIST
(1-800-592-7747)totalktosomeone
atthePACCARCustomerCenter.

•Open24-7-365daysayear

•Theycanhelpyougetroadside

assistance.

•Theyhaveacustommapping

systemwhichlocatesKenworth&
PeterbiltDealersandIndependent
ServiceProviders(ISPs)nearyou
andliststypesofservicesoffered,
hoursofoperationandcontact
information.

•Theycanassistwithjumpand

pullstarts,tires,trailers,nesand
permits,chains,towing,hazardous
clean-up,outoffuel(roadside),
mechanicalrepairsandpreventive
maintenanceservices.

•Theyhavebilingualagentsand

accesstoatranslationservice
toensurequalityassistance
forcustomerswhospeakany
language.

•Theycan’tansweryourwarranty

questionsbutcangetyouin
contactwithaKenworthdealer
whocan.

•TheP ACCARCustomerCenter

serviceisFREEevenifyoudon’t
driveaKenworth.

LowAirAlarmTurnsOn

1.Slowdowncarefully.

2.Moveasafedistanceofftheroad
andstop.

3.Placethetransmissionin
neutral(parkwithautomatic
transmissions,ifequipped)and
settheparkingbrake.(Refer
toParkingBrakeValveonpage
3-82andOPERATINGTHE
TRANSMISSIONonpage4-70,
fortransmissionshiftingand
parkingbrakeinformation.)

4.TurnOFFtheengine.

5.TurnONtheemergencyasher
anduseotherwarningdevicesto
alertothermotorists.

2

(03/17)Y53-1212-1C12-3

WHATTODOIF ...

WARNING!

Iftheairpressurefallsbelow60
psi(414kPa)thespringbrakes
maystopthevehicleabruptly,which

2

couldcauseanaccidentresulting
indeathorpersonalinjury.Ob­servetheredwarninglampsonthe
gauges.Ifonecomeson,donot
continuetodrivethevehicleuntilit
hasbeenproperlyrepairedorser­viced.

Ifthelightandalarmdonotturnoff
atstartup,donottrytodrivethe
vehicleuntiltheproblemisfoundand
xed.(RefertoUSINGTHEBRAKE
SYSTEMonpage4-15,formorebrake
information.)

StopEngineLampTurnsOn

WARNING!

Thisshouldbeconsideredanemer­gency.Youshouldstopthevehicle
assafelyaspossibleandturnOFF
theignition.Thevehiclemustbe
servicedandtheproblemcorrected
beforedrivingagain.Failuretodo
somaycausesevereengineorDPF
damage,orcauseanaccidentwhich
mayresultindeathorpersonalinjury

IftheStopEnginewarninglamp
illuminates,itmeansyouhavea
seriousenginesystemproblem.

EngineOilPressureLamp TurnsOn

1.Slowdowncarefully.

2.Moveasafedistanceofftheroad
andstop.

3.Placethetransmissioninpark
andsettheparkingbrake.(See
ParkingBrakeValveonpage
3-82andOPERATINGTHE
TRANSMISSIONonpage4-70,
fortransmissionshiftingand
parkingbrakeinformation.)

4.TurnOFFtheengine.

5.TurnONtheemergencyasher
anduseotherwarningdevicesto
alertothermotorists.

2-4Y53-1212-1C1(03/17)

WHATTODOIF ...

6.Waitafewminutestoallowoilto
drainintotheengineoilpan,and
thenchecktheoillevel.(SeeOil
LevelCheckonpage5-89,for
detailsoncheckingoillevel.)

7.Addoilifnecessary.Iftheproblem
persists,contactanauthorized
Kenworthdealerassoonas
possible.

CAUTION

Continuingtooperateyourvehicle
withinsufcientoilpressuremay
causesevereenginedamageor
causeanaccidentwhichmayresult
inequipmentorpropertydamage.

Itisimportanttomaintainoilpressure
withinacceptablelimits.Ifoilpressure
dropsbelowtheminimumpsiaRed
WarningLampontheoilpressure
gaugeandtheStopEngineLampwill
comeON.

CheckEngineLampTurns On

Vehicleshouldbeservicedtocorrect
theproblembutthesituationshould
notbeconsideredanemergency.The
vehiclecanstillbesafelydriven.

EngineisOverheating

1.Reduceenginespeedandsafely
stopthevehicle.Whenstopped,
placethetransmissioninNeutral
andsettheparkingbrake.(See
ParkingBrakeValveonpage
3-82andOPERATINGTHE
TRANSMISSIONonpage4-70,
fortransmissionshiftingand
parkingbrakeinformation.)Keep
theenginerunning.

2.ChecktoensuretheOilPressure
Gaugereadsnormal.(SeeEngine
OilPressureGauge,onpage
3-51,forfurtherinformation.)

3.Makesuretheenginefanis
turningbyswitchingtheEngine
FanSwitchfromAUTOtoMAN
(Manual).

4.Increasetheenginespeedto
aboutone-halfoffulloperating
speed,or1,100to1,200rpm,
maximum.

2

(03/17)Y53-1212-1C12-5

WHATTODOIF ...

5.Returntheenginespeedtonormal
idleafter2or3minutes.

6.Monitortheenginetemperature.

2

Afterthetemperaturereturnsto
normal,allowtheenginetoidle
3to5minutesbeforeshuttingit
off.Thisallowstheenginetocool
graduallyanduniformly .

7.Ifoverheatingcamefrom
severeoperatingconditions,the
temperatureshouldhavecooled
bythistime.Ifithasnot,stop
theengineandletitcoolbefore
checkingtoseeifthecoolantis
low.

°Waituntilthecoolant

temperatureisbelow122°F
(50°C).

°Protectface,hands,andarms

bycoveringthecapwitha
large,thickragtoprotect
againstescapinguidand
steam.

°Carefullyandslowlyturn

thecapone-quarterofa
turnoruntilitreachesthe
rststop—allowingexcess
pressuretoescape—push
downandturnfornal
removal.

SeeT oppingUponpage5-65,for
instructionsoncheckingandllingthe
coolantexpansiontank.

WARNING!

Donotremovetheradiatorllcap
whiletheengineishot.Scalding
steamanduidunderpressuremay
escape.Youcouldbebadlyburned.
Failuretocomplymayresultinper­sonalinjuryordeath.

WARNING!

Toreducethechanceofdeath,
personalinjury,reand/orvehicle
damagefromoverheatedengines,
neverleavetheengineidlingwithout
analertdriverpresent.Iftheen­gineshouldoverheat,asindicated
bytheenginecoolanttemperature
light,immediateactionisrequired
tocorrectthecondition.Continued
unattendedoperationoftheengine,
evenforashorttime,mayresult
inseriousenginedamageorare.
Failuretocomplymayresultinper­sonalinjury,death,equipmentor
propertydamage.

2-6Y53-1212-1C1(03/17)

FuseorRelayBlows

Fuses,circuitbreakers,andrelays
arelocatedinthePowerDistribution
Boxtotheleftofthesteeringcolumn
behindtheclutchpedal.SeePower
DistributionBoxonpage5-72.

Additionalfusesforthealternator,
engineelectronicsandtrailerbattery
chargecircuitmaybelocatedinthe
PowerDistributionCenter(PDC)
insidethebatteryboxand/oronthe
enginesideofthecabrewall.See
PowerDistributionCenter(PDC)on
page5-71.

WARNING!

Donotreplaceafusewithafuseofa
higherrating.Doingsomaydamage
theelectricalsystemandcausea
re.Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.

CAUTION

Beforereplacingafuse,turnOFFall
lightsandaccessoriesandremove
theignitionkeytoavoiddamaging
theelectricalsystem.

CAUTION

Neverpatchfuseswithtinfoilor
wire.Thismaycauseseriousdam­ageelsewhereintheelectricalcir­cuit,anditmaycauseare.

CAUTION

Ifacircuitkeepsblowingfuses,have
theelectricalsysteminspectedfora
shortcircuitoroverloadbyanau­thorizedKenworthdealerassoon
aspossible.Failuretodosocould
causeseriousdamagetotheelec­tricalsystemand/orvehicle.

WHATTODOIF ...

NOTE

Ifafuseofthesameratingisnot
available,afuseofalowerrating
maybetemporarilysubstituted.Y ou
canalsouseafusefromacircuityou
candotemporarilywithout(forex­ampleanaccessorycircuitorradio).

Alltheelectricalcircuitshavefuses
toprotectthemfromashortcircuitor
overload.Ifsomethingelectricalon
yourchassisstopsworking,therst
thingyoushouldcheckforisablown
fuse.

1.TurnOFFalllightsandaccessories
andremovetheignitionkeyto
avoiddamagingtheelectrical
system.

2.Determinefromthechartonthe
fusepanelwhichfusecontrolsthat
component.

3.Removethatfuseandseeifitis
blown.

2

(03/17)Y53-1212-1C12-7

WHATTODOIF ...

2

1Blown

Ifitisblown,replaceitwithafuseof
thesamerating.

CAUTION

Whenreplacingafailedcircuit
breaker,alwaysuseanapproved
circuitbreakerwithacurrentrat­ingequaltoorlessthanthecircuit
breakerbeingreplaced.Onlyuse
theapprovedTypeIImodiedre­setcircuitbreakers.NEVERuse
aTypeI(automaticreset)orType
III(manualreset)circuitbreaker.A
fusewithacurrentratingequaltoor
lessthanthecircuitbreakerbeing
replacedcanalsobeused.

2-8Y53-1212-1C1(03/17)

JUMPSTARTINGVEHICLES

JUMPSTARTING
VEHICLES

Introduction

Becauseofthevariousbattery
installationsandelectricalsystem
options,Kenworthdoesnot
recommendthatyouattemptto
jumpstartyourvehicle.Ifyouhavea
batteryproblem,itisbesttocontacta
KenworthDealerorareputabletowing
service.

However,ifyourbatteryisdischarged
(dead),youmaybeabletostartit
byusingenergyfromagoodbattery
inanothervehicle.Thisistermed
jumpstarting.Besuretofollowthe
precautionsandinstructionsbelow.

WARNING!

Batteriescontainacidthatcanburn
andgassesthatcanexplode.Ignor­ingsafetyproceduresmayresultin
death,personalinjury,equipmentor
propertydamage.

WARNING!

Neverjumpstartabatterynearre,
ames,orelectricalsparks.Bat­teriesgenerateexplosivegases
thatcouldexplode.Keepsparks,
ame,andlightedcigarettesaway
frombatteries.Failuretocomply
mayresultindeath,personalinjury ,
equipmentorpropertydamage.

WARNING!

Neverremoveortamperwithbattery
caps.Ignoringthiscouldallowbat­teryacidtocontacteyes,skin,fab­rics,orpaintedsurfaces.Failureto
complymayresultindeath,personal
injury,equipmentorpropertydam­age.

•Becarefulthatmetaltools(or

anymetalincontactwiththe
positiveterminal)donotcontact
thepositivebatteryterminaland
anyothermetalonthevehicle
atthesametime.Removemetal
jewelryandavoidleaningover
thebattery .

•Ifmetaljewelryorothermetal

comesincontactwithelectrical
circuits,ashortcircuitmay
occurcausingyoutobeinjured,
aswellaselectricalsystem
failureanddamagetothe
vehicle.

2

(03/17)Y53-1212-1C12-9

JUMPSTARTINGVEHICLES

ToJumpStartYourVehicle

WARNING!

Thevoltageoftheboosterbat­terymusthavea12voltratingand

2

thecapacityoftheboosterbattery
shouldnotbelowerthanthatofthe
dischargedbattery.Useofbatteries
ofdifferentvoltageorsubstantially
differentcapacityratingmaycause
anexplosion.Failuretocomply
mayresultindeath,personalinjury ,
equipmentorpropertydamage.

CAUTION

Applyingahighervoltagebooster
batterywillcauseexpensivedam­agetosensitiveelectroniccompo­nents,suchasrelays,andthera­dio.Failuretocomplymayresultin
equipmentdamage.

•Improperhook-upofjumper

cablesornotfollowingthese
procedurescandamagethe
alternatororcauseserious
damagetobothvehicles.

WARNING!

Toavoidpersonalinjuryanddam­agetothevehicle,heedallwarnings
andinstructionsofthejumpercable
manufacturer.

•Thejumpercablesmustbelong

enoughsothatthevehiclesdo
nottouch.

Preparingthevehicles:

1.Positionthetwovehiclestogether,
butdonotallowthemtotouch.

2.TurnOFFalllights,heater,radio,
andanyotheraccessoryonboth
vehicles.

3.Settheparkingbrakes:pullout
theY ellowbuttonlocatedonthe
dash.

4.Shiftthetransmissionintopark
positionorneutralformanual
transmissions.(SeeOPERA TING
THETRANSMISSIONonpage
4-70andParkingBrakeV alveon
page3-82,fortransmissionshifting
andparkingbrakeinformation.)

5.Ifeithervehicleisequippedwith
batterydisconnectsensurethey
areinthe"OFF"positionpriorto
connectingthetwovehicles.

2-10Y53-1212-1C1(03/17)

JUMPSTARTINGVEHICLES

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.

IMPORTANT:Alwaysconnect
positive(+)topositive(+)and
negative(-)tonegative(-).

5.Ifeithervehicleisequippedwith
batterydisconnects,ensurethat
theyareinthe"ON"position.

6.Starttheengine:

•Startthevehiclethathasthe

goodbatteryrst.Letitrunfor5
minutes.

•Thenstartthevehiclethathasthe

discharged(dead)battery.
Iftheenginefailstostart,donot
continuetocrankthestarterbut
contactthenearestauthorized
KenworthDealer.

Removejumpercables:

WARNING!

Whendisconnectingjumpercables,
makesuretheydonotgetcaught
inanymovingpartsintheengine
compartment.Youcouldbeinjured.

•Reversetheaboveprocedure

exactlywhenremovingthejumper
cables.Withenginerunning,
disconnectjumpercablesfrom
bothvehiclesintheexactreverse
order(Steps4-1),makingsure
torstremovethenegative
cablefromthevehiclewiththe
dischargedbattery .

2

(03/17)Y53-1212-1C12-11

VEHICLERECOVERYANDSPRINGBRAKES

VEHICLERECOVERY
ANDSPRINGBRAKES

Introduction

2

YourKenworthmaybeequippedwitha
RecoveryDevice(s)designedforshort
distancerecoverypurposesonly.Use
onlytheoriginalKenworthrecovery
device(s)andtheinstructionsbelow.
Ifyourvehicledoesnothavethe
properdevicecontactyourauthorized
KenworthDealer.

VehicleRecovery Instructions

Refertotheinstructionsbelowwhen
towingyourvehicle:

•Usepropertowingequipmentto

preventdamagetothevehicle.

CAUTION

ConnectonlytotheRecoveryDe­vice(s),asdescribedonthefollow­ingpages.Donotattachtobumpers
orbrackets.Useonlyequipmentde­signedforthispurpose.Connec­tionstootherstructuralpartscould
damagethevehicle.

CAUTION

Removethedrivelineandaxle
shaftsorliftthedrivingwheelsoff
thegroundbeforetowingtheve­hicle.SeeDriverControlledMain
DifferentialLockonpage4-60.All
lubricatingandclutchapplication
oilpressureisprovidedbyanen­gine-drivenpump,whichwillnot
workwhentheengineisstopped.
Youcouldseriouslydamageyour
vehiclebytowingitwiththedriveline
connectedandthedrivewheelson
theground.

2-12Y53-1212-1C1(03/17)

VEHICLERECOVERYANDSPRINGBRAKES

CAUTION

Whenvehiclesaretowed,eitherby
wreckerorpiggy-back,thelubricant
inthetopfrontofthedriveaxlewill
draintotherear.Thiswillleavethe
topcomponentsdry.Theresulting
frictionmayseriouslydamagethem.
Alwaysremovethemaindriveshaft
andaxleshaftsbeforetowingyour
vehicle.

•Seethefollowingreferences:

°RecoveryRiggingonpage

2-14.

°DriverControlledMain

DifferentialLockonpage
4-60.

•Useasafetychainsystem.

•Disconnectdriveline.

•Followstate/provincialandlocal

lawsthatapplytovehiclesintow.

•Donottowvehiclesatspeedsin

excessof55mph(90km/h).

NOTE

Foradditionalinformationconcern­ingheavydutytruckrecovery,see
Technology&MaintenanceCouncil
(TMC)

•RecommendedPractice#602–A

—"FrontT owingDevicesFor
TrucksandTractors."

•RecommendedPractice#602–B

—"RecoveryAttachmentPoints
ForTrucks,Tractors,and
CombinationV ehicles

•RecommendedPractice#626

—"HeavyDutyTruckTowing
Procedures."

Copiesofthesecanbeobtainedfrom
thefollowingaddress:

Technology&MaintenanceCouncil

950N.GlebeRoad

[phone]

Arlington,VA22203

Email:[e-mail]

www.trucking.org

2

(03/17)Y53-1212-1C12-13

VEHICLERECOVERYANDSPRINGBRAKES

RecoveryRigging

ToconnecttotheKenworth,followthe
suggestedriggingmethodsbelow.

•Useadoublechainorcablesetup

2

thatdistributestheloadequally
tobothhitches.See1or2in
RecoveryRigging.

1.SpreaderBarorEqualizer

Preferred

•Neverloopasinglechainorcable

throughbothhitches(3).

•Useaspreaderorequalizerbarto

distributetheloadonbothhitches
(1).

•Ifnospreaderbarisavailable,

connectthemaintowchainor

1.Minimum6FT .

Acceptable

cablenocloserthan6ft.fromthe
vehicle(2).

NEVERUSESINGLECHAINORCABLE

LOOPEDTHROUGHTOWDEVICES

2-14Y53-1212-1C1(03/17)

VEHICLERECOVERYANDSPRINGBRAKES

ReturningVehicletoService

Yourvehiclemayhavelostlubricant
whilebeingtowed.Toprevent
damage,checktheoillevelandadd
oilifnecessary.

Afteraddingthespeciedtypeand
amountoflubricant,drivethevehicle.
Itshouldbeunloaded.Drive1to
2miles(1.5to3km)ataspeed
lowerthan25mph(40km/h).This
willthoroughlycirculatethelubricant
throughtheassembly .

SpringBrakes-Manual Release

Inordertotowavehicle,ifthereis
insufcientairtoreleasetheparking
brake,thespringbrakescanbe
manuallyreleased.

WARNING!

Donotdrivevehiclewithmalfunc­tioningbrakes.Ifoneofthebrake
circuitsshouldbecomeinoperative,
brakingdistanceswillincreasesub­stantiallyandhandlingcharacteris­ticswhilebrakingwillbeaffected.
Youcouldlosecontrolofyourvehi­cleorcauseanaccident.Haveit
towedtothenearestdealerorqual­iedrepairfacilityforrepair.Failure
tocomplymayresultindeath,per­sonalinjury,equipmentorproperty
damage.

Youmaysometimeshavetorelease
yourvehicle'sspringbrakesbyhand.
Thiscouldhappenifthesystemair

pressuredoesnotreachoperating
pressurebecauseyourengineor
compressorisnotworkingproperly.
Youwillhavetoreleasethespring
brakesatthespringbrakechambers.

WARNING!

Donotdisassembleaspringbrake
chamber.Thesechamberscon­tainapowerfulspringthatiscom­pressed.Suddenreleaseofthis
springmayresultinpersonalinjury
ordeath.

WARNING!

Donotoperateavehiclewhenthe
springbrakeshavebeenmanu­allyreleased.Drivingavehicle
afteritsspringbrakesaremanu­allyreleasedisextremelydanger­ous.Thebrakesmaynotfunc­tion.Failuretocomplymayresult
inpersonalinjury ,death,equip­mentorpropertydamage.

2

(03/17)Y53-1212-1C12-15

VEHICLERECOVERYANDSPRINGBRAKES

WARNING!

Releasingthespringbrakeson
anunsecuredvehiclecouldlead
toanaccident.Thevehiclecould

2

roll,whichmayresultinper­sonalinjury,death,equipmentor
propertydamage.Alwayssecure
thevehiclewithwheelchocks,
chains,orothersafemeansto
preventrollingbeforemanually
releasingthespringbrakes.

Tomoveavehicleimmobilizedby
thespringbrakesduetolossof
airpressureinthebrakesystem,
performthefollowingprocedure:

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.

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.

2-16Y53-1212-1C1(03/17)

VEHICLERECOVERYANDSPRINGBRAKES

FreeingtheVehiclefrom 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
causeinjuryordeathtoabystander
orpassenger,aswellasexten­sivevehicledamage:includingtire,
transmissionand/orrearaxlemal­function.

Complywiththefollowing
instructionstoavoidtransmission
damage:

•Alwaysstartvehicleinmotionwith

theshiftleverinrstgear.

•Besurethattransmissionisfully

engagedingearbeforereleasing
theclutchpedal(manualonly).

•Donotshiftintoreversewhilethe

vehicleismoving.

•Donotpermitthevehicletobe

towedforlongdistanceswithout
removingthedriveshaft.

2

(03/17)Y53-1212-1C12-17

VEHICLERECOVERYANDSPRINGBRAKES

TireChains

Ifyouneedtirechains,installthemon
bothsidesofthedrivingaxle.

2

Chainsonthetiresofonlyonetan­demaxlecandamagethedriveline
U-jointsandtheinteraxledifferen­tial.Repairscouldbecostlyand
time-consuming.Failuretocomply
mayresultinequipmentdamage.

2-18Y53-1212-1C1(03/17)

CAUTION

ACCESSORIES

Introduction..................3-5

Radio(Option).................3-6

CigaretteLighterandAshtray(Option).......3-6

Clock.....................3-7

CabStorage.................3-10

HEATINGANDAIRCONDITIONING

Introduction.................3-11

Precautions.................3-12

CabControls.................3-15

AUDIBLEALERTS

Introduction.................3-19

INDICATORS

Introduction.................3-25

GAUGESANDDISPLAYS

CONTROLS

3

Introduction.................3-43

(03/17)Y53-1212-1C13-1

CONTROLS

Gauges...................3-44

MULTI-FUNCTIONDISPLAY

Introduction.................3-57

Alarms,WarningT onesandVisualIndicatorLights3-57

WarningandInformationAlertScreens.....3-58

Wingman®ACBWarningT one/AlertScreens..3-62

3

SWITCHES

STEERINGCOLUMN

Multi-FunctionDisplay.............3-64

Introduction.................3-76

Introduction.................3-88

TurnSignal/HighBeamSwitch.........3-88

EmergencyFlasherSwitch...........3-89

WindshieldWipers/Washer...........3-90

TrailerBrakeHandValve............3-92

Stop/TurnSignalLampOperation........3-92

AdjustableTilt/TelescopingColumn.......3-93

3-2Y53-1212-1C1(03/17)

CONTROLS

Horn....................3-94

MIRRORS

Introduction.................3-95

PowerMirrorSwitch..............3-95

MirrorHeatButton..............3-97

3

(03/17)Y53-1212-1C13-3

ACCESSORIES

ACCESSORIES

Introduction

3

1Radio(Option)
2GloveCompartment
3CombinationTractor/Trailer

BrakeControlValves

(03/17)Y53-1212-1C13-5

4Heater-AirConditioner

Control

5WiperSwitch

ACCESSORIES

Radio(Option)

Asanoption,yourvehiclehaseither
anAM/FMStereoReceiverorAM/FM
StereowithCD.

Forinstructionsonhowtooperateyour
particularradio,seethemanufacturer's
RadioOperatingInstructions.

3

CigaretteLighterand Ashtray(Option)

NOTE

Thecigarettelighterwilloperatewith
theignitionkeyineithertheOFF ,
ACC(accessory),orONposition.

Tooperate,pushinontheknobend
ofthelighter.Afterafewmoments,
thelighterwillautomaticallypopout,
glowinghotandreadytouse.After
use,insertthelighterbackintothe
socketwithoutpushingallthewayin.

Thesocketofthecigarettelightermay
beusedtooperate12volt,15ampere
appliances,suchasahandspotlight
orsmallvacuumcleaner.

WARNING!

Donotplacepaperorothercom­bustiblesubstancesinanashtray ,it
couldcauseare.Keepallburnable
materials,besidessmokingmateri­als,outoftheashtray .Failureto
complymayresultindeath,personal
injury,equipmentorpropertydam­age.

WARNING!

Donotexceedthevoltage/amper­agecapacityofthecigarettelighter.
Itcouldresultinare.Followall
warningsandinstructionsintheop­erator'smanualfortheappliance
youareusing.Failuretocomply
mayresultindeath,personalinjury ,
equipmentorpropertydamage.

3-6Y53-1212-1C1(03/17)

ACCESSORIES

Clock

DashandSleeperClock
AnalogClock-Dash

1CounterClockwise
2Clockwise

DigitalClock-Sleeper

•Depressrighthandbuttontorotate

clockhandsclockwise.

•Depresslefthandbuttontorotate

clockhandscounterclockwise.

•Continuetodepressbuttonsfor

fastermovement.

QuickOperatingInstructionsforKenworthDigitalClock

ModeDisplayFunctionsButtonstoUse

ClockCurrenttime(ashingcolon)

Date

Alarm

Elapsed

Time

Auxiliary

(notePMinupperleftcorner)

Date(MM/DD)

Alarmsetting(alarmsymbol)
(steadysymbol=alarmOn

Elapsedtime(ETdisplayed)
(steadyET=timerOn)

AUXinlowerleftcorner

•settime

•silencealarm

•setdate

•setalarm

•turnalarmon/off

•start&stoptimer

•resetelapsedtime

•notused

+,-(holddowntochangefaster)
SelectorOn/Off

-formonth,+forday

+,­On/Off

On/Off
+or-whentimerisoff

3

(03/17)Y53-1212-1C13-7

ACCESSORIES

Clock

Setthetimeasfollows:Pressand
holddowneitherthe"+"or"-"buttonto
changethetimetothepropersetting
(note"PM"indicatorinupperleftcorner
ofdisplay).Afterholdingdowneither
buttonforthreeseconds,therateof
changewillincreasefromslowtofast.

3

Theclockwillstartkeepingtimeas
soonaseitherbuttonisreleased.A
ashingdisplayindicatesthatpower
hasbeeninterruptedtotheclock,and
allfunctionswillneedtobereset.

Theclockmodeisthedefaultdisplay,
whichmeansthedisplaywillreturnto
thismodeafterafewsecondsfrom
everyothermodeexceptfromelapsed
timemode.

Date

Enterthedatemodebypressingthe
"Select"buttononce.Setthecurrent
monthusingthe"-"button,andthe
datebyusingthe"+"button(the
displaywillautomaticallyreturntothe
clockmodeafterafewseconds).

Alarm

Pressthe"Select"buttontwiceto
switchtothealarmmode,whichis
indicatedbythealarmsymbolonthe
leftsideofthedisplay .Thealarmis
setinthesamemannerasthetime
(again,becarefultonotethestatusof
the"PM"indicator).Usethe"On/Off"
buttontoturnthealarmonandoff
whileinthismode.Thealarmsymbol
asheswhenthealarmisoff,andturns
tosteadywhenthealarmisturnedon.

Whenthealarmisturnedon,thealarm
symbolisdisplayedwhileintheclock
mode.Tosilencethealarm,press
eitherthe"Select"or"On/Off"button.

3-8Y53-1212-1C1(03/17)

ACCESSORIES

ElapsedTime

Pressthe"Select"buttonthreetimes
toswitchtotheelapsedtimemode,
whichisindicatedby"ET"inthelower
leftcornerofthedisplay.Similarto
thealarmsymbol,the"ET"ashes
whentheelapsedtimeristurnedoff,
andissteadywhilethetimeristurned
on.Turntheelapsedtimeronandoff
byusingthe"On/Off"button.When
theelapsedtimerison,"ET"isalso
displayedwhileintheclockmode.T o
resettheelapsedtime,presseither
the"+"orthe"-"buttonwhilethetimer
isoff.Unliketheothermodes,the
displaywillstayinelapsedtimemode
untilthe"Select"buttonispressed.

Auxiliary

Thismodehasnofunctionatthistime
andshouldbeignored.

Display

Thedisplayisalwayson.Thedisplay
canbesettofourlevelsofbrightness
bypressingboththe"+"and"-"buttons
atthesametime.

3

(03/17)Y53-1212-1C13-9

ACCESSORIES

CabStorage

GloveBox

Agloveboxisprovidedtostore
importantdocuments,thevehicle
literatureset(includingthisOperator's
Manual)andotherrelatedmaterials.

3

Donotdrivewiththegloveboxopen,
itcanbedangerous.Inanaccident
orsuddenstop,youorapassenger
couldbethrownagainstthecover
andbeinjured.T oreducetherisk
ofpersonalinjuryduringanaccident
orsuddenstop,keeptheglovebox
closedwhenthevehicleisinmotion.

WARNING!

InteriorCompartments

Youcanchoosefromavarietyof
interiorstorageoptionstostoreyour
personalsuppliesorsmalltools:

-centerconsole

-mappocket

-overheadstoragecompartments

-recordsholder,behindseat

WARNING!

Donotcarrylooseobjectsinyour
cab,itcanbedangerous.Inasud­denstop,orevengoingoverabump
intheroad,theycouldythrough
theairandstrikeyouorapassenger.
Youcouldbeinjuredorevenkilled.
Securealllooseobjectsinthecab
beforemovingthevehicle.Carry
anyheavyobjectssuchasluggage
intheexteriorstoragecompartment
andcloseitsecurely.

Appliances

IfyourKenworthisequippedwitha
television,orotherappliance,besure
theyarecompatiblewithyourvehicle's
electricalsystem.Andsecurethemin
thecabsotheycannotcomeloosein
asuddenstop.

WARNING!

Inasuddenstoporcollisionaheavy
objectinyourcabcouldstrikeyou
oranyonewithyou.Youcouldbe
injuredorevenkilled.Secureany
appliance(suchasaradio,orTV)
youaddtoyourcab.

3-10Y53-1212-1C1(03/17)

HEATINGANDAIR CONDITIONING

Introduction

1HeatingandAirConditioning

Controls

HEATINGANDAIRCONDITIONING

3

(03/17)Y53-1212-1C13-11

HEATINGANDAIRCONDITIONING

Precautions

WARNING!

Donotdrivewithvisibilityreduced
byfog,condensation,orfrostonthe
windshield.Y ourviewmaybeob­scured,whichmayresultindeath,
personalinjury,equipmentorprop­ertydamage.Forclearvisibilityand

3

safedrivingitisextremelyimpor­tantforyoutofollowtheinstructions
pertainingtothefunctionanduse
oftheventilation/heatinganddefog­ging/defrostingsystem.Ifindoubt,
consultyourdealer .Maximumheat­ingoutputandfastdefrostingcanbe
obtainedonlyaftertheenginehas
reachedoperatingtemperature.

WARNING!

Theairconditioningsystemisun­derpressure.Ifnotservicedprop­erly,itcouldexplodeandmayresult
inpersonalinjury,deathorproperty
damagetoyourvehicle.Anyservic­ingthatrequiresdepressurizingand
rechargingtheairconditioningsys­temmustbeconductedbyaquali­edtechnicianwiththerightfacilities
todothejob.

WARNING!

Excessiveheatmaycausethepres­surizedcomponentsoftheaircon­ditioningsystemtoexplode.Never
weld,solder,steamclean,orusea
blowtorchnearanypartoftheair
conditioningsystem.Failuretocom­plymayresultindeath,personalin­jury,equipmentorpropertydamage.

•Ifarefrigerantleakdevelopsin

thepresenceofexcessiveheat
oranopename,hazardous
gasesmaybegenerated.
Thesegasesmaycause
unconsciousnessordeath.
Ifyoubecomeawareofa
refrigerantleakonyourvehicle
haveyoursystemserviced
immediatelyandobservethe
followingprecautions:

°Stayawayfromthehot

engineuntiltheexhaust
manifoldhascooled.

°Donotpermitanyopen

ameinthearea.Evena
matchoracigarettelighter
maygenerateahazardous
quantityofpoisonousgas.

°Donotsmokeinthearea.

Inhalinggaseousrefrigerant
throughacigarettemay
causeviolentillness.

3-12Y53-1212-1C1(03/17)

HEATINGANDAIRCONDITIONING

WARNING!

Exhaustfumesfromtheengine
containcarbonmonoxide,acol­orlessandodorlessgas.Donot
breathetheengineexhaustgas.
Apoorlymaintained,damagedor
corrodedexhaustsystemcanallow
carbonmonoxidetoenterthecab
orsleeper.Entryofcarbonmonox­ideintothecaborsleeperisalso
possiblefromothervehiclesnearby .
Failuretoproperlymaintainyourve­hiclecouldcausecarbonmonoxide
toenterthecaborsleeper,resulting
inillnessordeath.

WARNING!

Neveridleyourvehicleforprolonged
periodsoftimeifyousensethatex­haustfumesareenteringthecab
orsleeper.Investigatethecause
ofthefumesandcorrectitassoon
aspossible.Ifthevehiclemustbe
drivenundertheseconditions,drive
onlywiththewindowsopen.Failure
torepairthesourceoftheexhaust
fumesmayresultinpersonalinjury,
death,equipmentorpropertydam­age.

NOTE

Keeptheengineexhaustsystem
andthevehiclescab/sleeperventi­lationsystemproperlymaintained.

Itisrecommendedthatthevehicles
exhaustsystemandcab/sleeperbe
inspected:

•Byacompetenttechnicianevery

15,000miles

•Wheneverachangeisnoticedin

thesoundoftheexhaustsystem

•Whenevertheexhaustsystem,

underbody,orcaborsleeperis
damaged

3

NOTE

Toallowforproperoperationofthe
vehicleventilationsystem,keepthe
inletgrilleatthebaseofthewind­shieldclearofsnow,ice,leavesand
otherobstructionsatalltimes.

(03/17)Y53-1212-1C13-13

HEATINGANDAIRCONDITIONING

CAUTION

Donotstayinthevehiclewiththe
enginerunningoridlingformore
than10minuteswiththevehicle's
HeaterandA/Cventilationsystem
inRECIRCoratLOWFANSPEED.
Evenwiththeventilationsystemon,
runningtheenginewhileparkedor

3

stoppedforprolongedperiodsof
timeisnotrecommended.

Whenidlingforshortperiodsoftime:

•Settheheatingorcoolingsystem

toHeatorA/C

•SetthefantoMediumorHigh

speed

•SetthecontrolstoFRESHAIR

NOTE

Ifyouarerequiredtoidleyourve­hicleforlongperiodsoftime,install
anauxiliaryheaterorautomaticidle
control.Theseauxiliarydevicescan
reducefuelconsumptionandsave
youmoney.

NOTE

Ifyouareparkednexttoidlingve­hicles,moveyourvehicleordonot
stayinyourvehicleforprolongedpe­riodsoftime.

3-14Y53-1212-1C1(03/17)

HEATINGANDAIRCONDITIONING

CabControls

3

CabHeater-A/CControls

1Fan
2AirFlowMode
3Temperature
4AmberLight"ON"=

RecirculationMode

(03/17)Y53-1212-1C13-15

AmberLight"OFF"=Fresh

AirMode
5FreshAir/Recirculate
6AmberLight"ON"=A/CON

(FanmustbeturnedON)

AmberLight"OFF"=A/C
OFF

7AirConditioner

HEATINGANDAIRCONDITIONING

WhatEachControlDoes

TurningthisdialclockwisefromtheOFF
positionturnsthefanONandincreases
thefanspeed.

3

AirFlowControlDial

Thisdialdirectstheairowthrough5
primarysetsofvents:

*Freshairandairconditioningare
automaticallyturnedON.Asthedialis
turnedawayfromaprimaryposition,the
systemdirectsanincreasingamountofair
owtowardsthenextprimaryposition.

FanControlDial

DashVents

DashandFloorV ents

FloorVents

Floorand*DefrostVents

*DefrostVents

TemperatureControlDial

Turnthisdialclockwiseforheat,
counterclockwiseforcool.

AirConditionerSwitch

ThisswitchturnstheairconditionerOn
andOff.

NOTE

FanControlDialmustalsobein
theONpositionforA/Ctobeon.

FreshAir/RecirculationSwitch

Thisswitchcontrolsthesourceoftheair
owingintotheheaterandairconditioner
unit

FreshAirmode=Aircomesfrom
outsidethecab.

Recirculationmode=Aircomes
frominsidethecab.

3-16Y53-1212-1C1(03/17)

HEATINGANDAIRCONDITIONING

HowtoUsetheSystem

Theenginemustberunningforthe
heaterandairconditionertogenerate
hotandcoldair.

ToCool

Thereare2waystocool:

a)usingcooloutsideair

b)usingairconditioning

a)Outsideairiscoolerthantheinside
air:

1.)Pushthe
FreshAir/
Recirculation
Switch

2.)TurnON
theFanControl
Dial

totheFreshAir
mode.

tothedesired
fanspeed.

3.)TurntheAir
FlowControl
Dial

b)T ocoolusingairconditioning:

1.)TurnONthe
AirConditioning
Switch.

2.)Push
theFresh
Air/Recirculate
Switch

3.)TurnON
theFanControl
Dial

4.)TurntheAir
FlowControl
Dial

5.)AdjusttheT emperatureControlDial
counterclockwiseuntiltheairtemperature
feelscomfortable.

toDashVents.

totheFreshAir
mode.

tothedesired
fanspeed.

toDashVents.

ToHeat

1.)TurnON
theFanControl
Dial

2.)TurntheAir
FlowControl
Dial

3.)AdjusttheT emperatureControlDial
clockwiseuntiltheairtemperaturefeels
comfortable.

ToDehumidify

1.)Push
theFresh
Air/Recirculate
Switch

2.)TurnONtheAirConditioning
Switch.

tothedesired
fanspeed.

toFloorVents.

totheFreshAir
mode.

3

(03/17)Y53-1212-1C13-17

HEATINGANDAIRCONDITIONING

3.)TurnON
theFanControl
Dial

4.)AdjusttheT emperatureControlDial
untiltheairtemperaturefeelscomfortable.

Theairconditionerremovesmoisture
fromtheairwhiletheheaterheatsthe

3

air.

tothedesired
fanspeed.

ToDefogandDefrosttheWindshield

1.)Turnthe
FanControl
Dial

clockwiseto
thehighestfan
speed.

Duringextremecoldweather,donot
blowhotdefrosterairontocoldwind­shields.Thiscouldcracktheglass.

CAUTION

TurntheAirFlowControlDialtoDe-

2.)TurntheAir
FlowControl
Dial

Freshairandairconditioningare
automaticallyturnedON.

3.)AdjusttheT emperatureControlDial
clockwisetofullheat.

toDefrost
Vents.

frostandadjustthefanspeedac­cordinglywhiletheenginewarms.If
theengineisalreadywarm,move
theT emperatureControlDialtocool,
thengraduallyincreasethetemper­aturewhenyouseethatthewind­shieldisstartingtowarmup.Failure
tocomplymayresultinequipment
damage.

3-18Y53-1212-1C1(03/17)

AUDIBLEALERTS

Introduction

AUDIBLEALERTS

3

(03/17)Y53-1212-1C13-19

AUDIBLEALERTS

Yourvehicle'sdashand
instrumentationusesvarious
methodstoindicatetoyouthestatus
ofvarioussystems,orthatoneor
moreofyourvehiclessystemsmay
bemalfunctioning.Themethod
tocommunicateoralertyouofa
particularconditionisby:

3

•Audiblealarmtone

•Audiblewarningtone

•Indicatorlight(s)

Insomecases,youmayhavebothan
alarmorwarningtoneaccompaniedby
anindicatorlight(s).

WARNING!

Donotignoreanytypeoftoneor
lights.Thesesignalstellyouthat
somethingismalfunctioningonyour
vehicleandprovideyouanindi­cationofwhatsystemisaffected.
Itcouldbeafailureofanimpor­tantsystem,suchasthebrakes,
whichcouldleadtoanaccidentand
mayresultindeath,personalinjury ,
equipmentorpropertydamage.

PleaserememberthateachKenworth
iscustommade.Yourinstrument
panelmaynotlookexactlyliketheone
intheillustration.

3-20Y53-1212-1C1(03/17)

Table1AudibleAlerts

AUDIBLEALERTS

SymbolNameSymbolColorStandardOption

1.Brakes,AirPressureinPrimaryAir
SystemisLow

2.Brakes,AirPressureinSecondaryAir
SystemisLow

3.Engine,LowCoolantLevel

4.Engine,OilPressure

5.Engine,StopEngine

6.ParkBrakeRed

(03/17)Y53-1212-1C13-21

Red

Red

Yellow

Yellow

Red

●

●

●

●

●

●

Page

onpage3-23

onpage3-23

onpage3-37

onpage3-37

onpage3-38

onpage3-34

3

AUDIBLEALERTS

Thestandardinstrumentcluster
generatesthreedistinctaudibletones
orsounds.

A.Alarmtone

B.Warningtone

C.Turnsignal/hazardsound

3

A.AlarmTone

•Seriesofclearbelltones,repeated

atarateof100tonesperminute.

•Indicatesthatsomethingis

seriouslywrongwiththevehicle
thatshouldbeconsideredan
emergency.

WARNING!

Donotignoreanalarmtone.Y ou
shouldvisuallydeterminewhatsys­temisaffectedbyglancingatyour
gaugesandindicatorlights,thenbe­gintoslowyourvehicledowntoa
stopassafelyaspossible.Turn
offyourignitionandtakeappropri­ateaction.Thevehiclemustbeser­vicedandtheproblemcorrectedbe­foredrivingthevehicleagain.Fail­uretoobeyanAlarmtonemayresult
indeath,personalinjury ,equipment
orpropertydamage.

TheAlarmtoneisactivatedunderthe
followingconditions.

StopEngineAlarm

Thisalarmsoundisactivewhenthe
StopEnginelightisactive(turned
onbytheengine).Examplesofthe
conditionsthatwouldcausethealarm
tosoundarelowoilpressureorhigh
enginecoolanttemperature.Follow
theprocedureintheEmergency
Sectionofthismanualonpage2-3.

3-22Y53-1212-1C1(03/17)

AUDIBLEALERTS

PrimaryorSecondaryLowAir
WarningAlarm

Primary

Thisalarmsoundisactivewhen
eitherthePrimaryorSecondaryLow
AirWarninglampisactiveandthe
engineRPMisabove300.Thisoccurs
whentheprimaryorsecondaryair
pressuredropsbelow65psi,and
staysactiveuntilitincreasesabove

66.5psi.Followtheprocedureinthe
EmergencySectionofthismanualon
page2-3.

EngineOilPressureAlarm

Thisalarmsoundisactivewhenthe
EngineOilPressurelightisactive
(turnedonbytheengine).Followthe

Secondary

procedureintheEmergencySection
ofthismanualonpage2-3.

ParkBrakeAlarm

Withtheparkbrakenotsetandthe
dooropen,theAlarmtoneisactivated
forapproximately4.5minutesandpark
brakewarninglightwillblink.

FifthWheelSlideWarning

Lightisactive(turnedonbythe
optionalswitchonthedash).

B.WarningTone

•Seriesofclearbelltones,similar

totheAlarmtone,repeatedata
rateof60tonesperminute.

•Soundswhenaproblemexists,

butthevehiclecanstillbesafely
driven.Servicethevehicleto
correcttheproblembutthe
situationshouldnotbeconsidered
anemergency .

CAUTION

Ifawarningtonesounds,determine
thesystemaffectedbyglancingat
yourindicatorlights.Thewarning
toneindicatesaproblemexists,but
thevehiclecanstillbesafelydriven.
Servicethevehicleatyourearliest
conveniencetocorrecttheproblem,
butthesituationshouldnotbecon­sideredanemergency .

TheWarningtoneisactivatedunder
thefollowingconditions.

3

(03/17)Y53-1212-1C13-23

AUDIBLEALERTS

DuringtheInstrumentationPower
OnSelfTest(POST)-Twobelltones

soundwhentheignitionisturnedon.

Allgauges,indicatorsandwarning
lightswillturnonforapower-on
selftest.Allgaugepointerswill
momentarilymovetothemaximum
limit,staythereforashorttime,

3

thenmovebacktothezeroposition.
Additionally,allindicatorandwarning
lightswillturnontogether ,thenoff
together.Severaldifferentaudible
warningswillalsobeactivatedtwice
withoutbreak.

LowCoolantLevelWarning

Lightisactive(turnedonbythe
engine),andengineisrunning(RPM
above300).

C.TurnSignal/HazardSound

•Generatesatic-tocsound,similar

toasoundandfunctionofa
mechanicalasher.

•Soundsanytimetheturnsignalor

hazardswitchisturnedOn.

NOTE

Ifthevehicleturnsignalsandturn
signalindicatorsinthedashgauge
clustereverbeginashingatan
acceleratedrate(115cyclesper
minute)whentheturnsignallever
isintheOFF(center)position,or
whenaRight/Leftturnhasbeense­lected,theproblemmayberelated
toafailedturnsignalswitchorturn
signalmodule.Ineithercase,the
problemisnotafailedbulb.Contact
yournearestauthorizedKenworth
Dealertohavetheproblemcor­rectedassoonaspossible.

3-24Y53-1212-1C1(03/17)

INDICATORS

Introduction

INDICATORS

3

Numbereditemsinillustrationarestandardorcommonindicators.

(03/17)Y53-1212-1C13-25

INDICATORS

Yourvehicle'sdashand
instrumentationusesvarious
methodstoindicatetoyouthestatus
ofvarioussystems,orthatoneor
moreofyourvehiclessystemsmay
bemalfunctioning.Themethod
tocommunicateoralertyouofa
particularconditionisby:

3

•Audiblealarmtone

•Audiblewarningtone

•Indicatorlight(s)

NOTE

Indicatorlightsarealsobuiltinto
somegauges.SeetheGaugesand
DisplaysSectiononpage3-43fora
descriptionofboththegaugeandits
indicatorlight.

Insomecases,youmayhavebothan
alarmorwarningtoneaccompaniedby
anindicatorlight(s).

WARNING!

Donotignoreanytypeoftoneor
lights.Thesesignalstellyouthat
somethingismalfunctioningonyour
vehicleandprovideyouanindi­cationofwhatsystemisaffected.
Itcouldbeafailureofanimpor­tantsystem,suchasthebrakes,
whichcouldleadtoanaccidentand
mayresultindeath,personalinjury ,
equipmentorpropertydamage.

PleaserememberthateachKenworth
iscustommade.Yourinstrument
panelmaynotlookexactlyliketheone
intheillustration.

3-26Y53-1212-1C1(03/17)

INDICATORS

Table2Indicators

SymbolNameSymbolColorStandardOption

1.Axle,StabilityControl

2.Axle,TractionControl

3.Brakes,Anti-LockBrakeSystem(ABS)

4.Brakes,Anti-LockBrakeSystem(ABS),Trailer

5.Brakes,ParkBrakeRed

6.BrakeSystemMalfunction(Chassiswithhydraulicbrakes)

(03/17)Y53-1212-1C13-27

Yellow

Yellow

Yellow

Yellow

Red

●

●

●

●

●

●

Page

onpage3-31

onpage3-31

onpage3-32

onpage3-33

onpage3-34

onpage3-35

3

INDICATORS

SymbolNameSymbolColorStandardOption

7.CabStatusGreen

8.Engine,CheckEngine

3

9.Engine,Fan

10.Engine,LowCoolantLevel

11.Engine,OverspeedAirShutdown

12.Engine,Retarder(Brake)Green

13.Engine,StopEngine

Yellow

Green

Yellow

Red

Red

●

●

●

●

●

●

●

Page

onpage3-35

onpage3-36

onpage3-36

onpage3-37

onpage3-37

onpage3-37

onpage3-38

3-28Y53-1212-1C1(03/17)

INDICATORS

SymbolNameSymbolColorStandardOption

14.Engine,W aitT oStart

15.Exhaust,DieselParticulateFilter(DPF)

16.Exhaust,HighExhaustSystemT emperature(HEST)

17.Lights,HighBeamBlue

18.MessageWaiting

19.MalfunctionIndicatorLamp(MIL)

20.PowerT ake-off(PTO)Green

Page

Yellow

Yellow

●

●

onpage3-38

onpage3-38

3

Yellow

Green

Yellow

●

●

●

●

●

onpage3-39

onpage3-39

onpage3-39

onpage3-40

onpage3-40

(03/17)Y53-1212-1C13-29

INDICATORS

SymbolNameSymbolColorStandardOption

21.RangeInhibitYellow

22.SeatBelt,Fasten

●

Red

●

Page

onpage3-40

onpage3-41

3

23.Transmission,Service

24.Transmission,OilT emperatureHigh

25.TurnSignal,LeftGreen

26.TurnSignal,RightGreen

Yellow

Yellow

●

●

●

●

onpage3-41

onpage3-41

onpage3-42

onpage3-42

3-30Y53-1212-1C1(03/17)

INDICATORS

1.Axle,StabilityControl(ESCor
ElectronicStabilityControl)

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.

2.Axle,T ractionControl(ATCor
AutomaticTractionControl)

Watchesvehicle’swheelspeeds
todetectslippageandmayreduce
enginepower,orapplyvehiclebrakes,
tohelpregaintraction.

•Illuminatesduringthepower-on

self-testwhentheignitionis
turnedON.Itturnsoffafterafew
secondsifnosystemproblems
aredetected.IfanA TCproblemis
detected,theATCwarninglamp
willturnonandstayon.

•IlluminateswhentheATCis

regulatingwheelspinandturnsoff
afterthetractioncontroleventhas
ended.

3

(03/17)Y53-1212-1C13-31

INDICATORS

•Flashescontinuouslywhenthe

ATC/DeepSnow&Mudswitch
isturnedon,indicatingthatthis
featureisactive.

3

3.Brakes,Anti-LockBrakeSystem
(ABS)

A.Itilluminatesduringthepower-on

testwhentheignitionisturnedON.
Itturnsoffafterafewsecondsifno
systemproblemsaredetected.

CAUTION

IftheABSWarningLampdoesnot
illuminateduringthepower-ontest
theremaybeaproblemwiththe
lightorwiring.Youshouldhavethis
checkedassoonaspossible.Fail­uretocomplymayresultinequip­mentorpropertydamage.

B.Ifitturnsonandstaysonatany
othertimeitisindicatingthataproblem
existswiththeABS.Thisshouldbe
checkedbyaKenworthdealerassoon
aspossible.SeeAnti-LockBraking

Systemonpage4-27ofOperator's
Manualformoreinformation.

C.Ifyourvehiclehastheoptional
WheelSpinControlfeature,theABS
WarningLampturnsonandstayson
whenaproblemexistswiththeATC
system.Thisshouldbecheckedbya
Kenworthdealerassoonaspossible.
(RefertoyourOperator’sManualfor
"Anti-LockBrakingSystem"formore
information.)

NOTE

AfterservicingtheABS,thelamp
staysonafterthepower-ontest.
ThisindicatesthattheABSwheel
sensorshavenotbeencheckedby
theABS.Assoonasthevehicleis
drivenatspeedsabove4mph(6
km/h),thelampturnsoff,indicating
thatthewheelsensorshavebeen
checkedbytheABS.

3-32Y53-1212-1C1(03/17)

INDICATORS

D.IfyourvehiclehastheOff-Road

ABSFunctionSwitch(option),theABS
WarningLampashesslowlyduring
off-roadmodeengagement.Thisis
donetoalertyoutoamodication
totheABScontrolsoftware.See
"Off-RoadABSFunctionSwitch
(option)"formoreinformation.

NOTE

AfterservicingtheABS,thelamp
staysonafterthepower-ontest.
ThisindicatesthattheABSwheel
sensorshavenotbeencheckedby
theABS.Assoonasthevehicleis
drivenatspeedsabove4mph(6
km/h)thelampturnsoff,indicating
thatthewheelsensorshavebeen
checkedbytheABS.

4.Brakes,Anti-LockBrakeSystem
(ABS),Trailer

A.Itilluminatesduringthepower-on

testwhentheignitionisturnedON.
Itturnsoffafterafewsecondsifno
systemproblemsaredetected.The
bulbself-testisperformedwhenever
theignitionisturnedON,regardless
ofwhetheryouhaveTrailerABS.Ifa
TrailerABSsystemisdetected,the
lampwillturnoffafterafewsecondsif
nosystemproblemsaredetected.

CAUTION

IftheTrailerABSWarningLamp
doesnotturnonduringthepower-on
testtheremaybeaproblemwiththe
lightorwiring.Youshouldhavethis
checkedassoonaspossible.

B.Ifitturnsonatanyothertime,itis
indicatingthataproblemexistswith
thePLCtrailerABS.Thisshouldbe
checkedbyaKenworthdealerassoon
aspossible.(Referto"TrailerABS"
intheOperator’sManualformore
information.)

C.Ifyourvehicleandtrailerhave
the"SpecialTrailerABS(Without
PLC)(Option)",(RefertoSpecial
TrailerABS(WithoutPLC)(Option),
Anti-lockBrakingSystemonpage
4-27intheOperator'sManualformore
information.)thislampwillturnon
whenthetrailerABShasasystem
problem.Thisshouldbecheckedbya
Kenworthdealerassoonaspossible.
TheTrailerABSWarningLampwill
notturnonforthepower-ontestwhen
connectedtothesetypesoftrailers.

3

(03/17)Y53-1212-1C13-33

INDICATORS

NOTE

Tractors/Trucksandtrailersbuiltaf­ter3/1/01mustbeabletoturnonan
In-CabTrailerABSWarningLamp
(perU.S.FMVSS121).Theindus­trychosePowerLineCommunica­tion(PLC)(option)asthestandard
methodtoturniton.RefertoTrailer

3

ABSinAnti-lockBrakingSystemon
page4-27,intheOperator'sManual
formoreinformation.

NOTE

TheTrailerABSWarningLamp
willnotturnonwhenconnectedto
trailerswithABS(butwithoutPLC)
poweredthroughtheprimary7-way
trailerlightline.Usethelamponthe
driver'ssideofthetrailertoidentify
trailerABSproblems.

NOTE

Fordoublesortriples,thelampdoes
notdistinguishbetweentrailers.An
ABSprobleminanyofthetrailers
willactivatetheTrailerABSWarning
Lamp.

5.ParkBrake

Illuminateswhenparkingbrakesare
applied.

TheParkBrakelampwillashandthe
warningtonewillsoundanytimethe
ParkBrakeisnotsetandthedriver's
doorisopen.

3-34Y53-1212-1C1(03/17)

INDICATORS

6.BrakeSystemMalfunction
(Chassiswithhydraulicbrakes)

Turnsonandbuzzerwillsound
indicatingamalfunctioninthebrake
system.

Possiblemalfunctionsincludelossof
hydraulicpressurefromthepower
steeringcircuitorapressuredifferential
betweentheprimaryandsecondary
brakecircuits.

WARNING!

Donotoperatethevehicleifthe
Brakelamporbuzzercomeson.
Thisshouldbeconsideredanemer­gency.Driveyourvehicletotheside
oftheroadandstopassafelyas
possible.Failuretocomplymayre­sultindeath,personalinjury,equip­mentorpropertydamage.

7.CabStatus

IlluminateswhenthecabpowerisON.

3

(03/17)Y53-1212-1C13-35

INDICATORS

8.Engine,CheckEngine

Illuminateswhenaproblemexists,but
thevehiclecanstillbesafelydriven.
Vehicleshouldbeservicedtocorrect

3

theproblembutthesituationshould
notbeconsideredanemergency.In
somecases,theCheckEnginelamp
willactivateinconjunctionwiththe
HighExhaustT emperatureandDiesel
ParticulateFilter(DPF)WarningLights.

TheCheckEnginelampwillactivate
forseveralreasons.Theseinclude
butarenotlimitedtoWaterinFuel
andNo-IdleShutdownalertscreens
andtheHighExhaustT emperature,
DieselParticulateFilter(DPF),Diesel
EmissionFluid(DEF)warninglights.
(RefertoEngineAfter-treatment
ControlsOperator'sManualfor
additionalinformation.)

NOTE

Onlyforenginesequippedwith
emissionsaftertreatment.

9.Engine,Fan

Illuminateswhenfanisactive.

3-36Y53-1212-1C1(03/17)

INDICATORS

10.Engine,LowCoolantLevel

Illuminatesandanaudiblewarning
tonewillsoundwhencoolantlevelin
theradiatoriscriticallylow.

CAUTION

Thevehiclemustbeservicedtocor­recttheproblembutthesituation
shouldnotbeconsideredanemer­gency.

11.Engine,OverspeedAir
Shutdown

IlluminateswhentheEngine
OverspeedAirShutdownsystemis
activated.

12.Engine,Retarder(Brake)

Illuminateswhentheengineretarder
(compressionbrake,BrakeSaver
(exportonly),orexhaustbrake)is
active.

3

(03/17)Y53-1212-1C13-37

INDICATORS

13.Engine,StopEngine

Illuminatesandanaudiblealarmtone
willsoundwhenamajorenginesystem
problemexists.

3

WARNING!

Thisshouldbeconsideredanemer­gency.Youshouldstopthevehicle
assafelyaspossibleandturnOFF
theignition.Thevehiclemustbe
servicedandtheproblemcorrected
beforedrivingagain.Failuretodo
somaycausesevereenginedam­ageorcauseanaccidentwhichmay
resultindeathorpersonalinjury .

14.Engine,WaitT oStart

Illuminateswhenenginegridheateris
on(PACCARPX-6andPX-8engines).

15.DieselParticulateFilter(DPF)

Illuminateswhendieselparticulate
lterneedsregeneration(controlled
byengineECM).Thiswarninglamp
willalsoilluminatewhenregeneration
operationisdisabled.(Referto
PACCARAftertreatmentSystems
Operator'sManualforadditional
information.)

NOTE

Onlyforenginesequippedwith
emissionsaftertreatment.

3-38Y53-1212-1C1(03/17)

INDICATORS

16.HighExhaustSystem
Temperature

Illuminateswhenexhausttemperature
ishigh(controlledbyengineECM).
(RefertoyourEngineManufacturer’s
OperatorManualandtothePACCAR
EngineAftertreatmentSystem
Operator'sManualforadditional
information.

17.Lights,HighBeam

Illuminateswhenthehighbeamsare
on.

Thehighbeamindicatorwillashand
atonewillsoundtoindicatethatthe
headlampsareleftonwhen:thehead
lampswitchisON,thedriver'sdooris
open,ANDthekeyswitchisOFF .

18.MessageWaiting

Illuminateswithtelematicequipped
messaging.

3

(03/17)Y53-1212-1C13-39

INDICATORS

19.MalfunctionIndicatorLamp
(MIL)

Illuminateswhenanengineemissions
failurehasoccurred.Thevehicle
canbesafelydrivenbutshouldbe

3

servicedtocorrecttheproblem.The
situationshouldnotbeconsidered
anemergency.Insomecases,the
MalfunctionIndicatorLampwillactivate
inconjunctionwiththeHighExhaust
Temperature,DieselParticulateFilter
(DPF)andDieselEmissionFluid
(DEF)WarningLights.

NOTE

Onlyforenginesequippedwith
emissionsaftertreatment.

20.PowerTake-off(PTO)

IlluminateswhenPTOswitchisOn.
SeealsoPTOoperationintheSwitch
sectiononpage3-77.

NOTE

DonotdrivevehiclewithPTOen­gaged.

21.RangeInhibit

Illuminatestoindicatethattransmission
operationisbeinginhibitedandthe
rangeshiftsbeingrequestedmaynot
occur.

Shiftsmaybeinhibitedastheresultof
troublecodes,programmedprotection
againstabuse,orfunction/feature
inhibits.

3-40Y53-1212-1C1(03/17)