Kenworth T680 Operators Manual Kenworth T680 Operators Manual

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Contents

Safety

Emergency

Controls

Driving

Maintenance

Information

Index

Thismanualillustratesanddescribestheoperationoffeaturesorequipmentwhichmaybeeitherstandardoroptionalon thisvehicle.Thismanualmayalsoincludeadescriptionoffeaturesandequipmentwhicharenolongeravailableorwere notorderedonthisvehicle.Pleasedisregardanyillustrationsordescriptionsrelatingtofeaturesorequipmentwhichare notonthisvehicle.

PACCARreservestherighttodiscontinue,changespecications,orchangethedesignofitsvehiclesatanytimewithout noticeandwithoutincurringanyobligation.

TheinformationcontainedinthismanualisproprietarytoPACCAR.Reproduction,inwholeorinpart,byanymeansisstrictly prohibitedwithoutpriorwrittenauthorizationfromP ACCARInc.

TruckModelExample

SAFETY

INTRODUCTION

AboutThisManual...............1-3

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

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

ASpecialWordAboutRepairs..........1-8

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

CABANDFRAMEACCESS

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

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

RemoteKeylessEntry(RKE)..........1-12

ClimbingOntotheDeckPlate.........1-13

GETTINGTOYOURENGINE

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

HoodTilt...................1-16

HoodHold-OpenDevice............1-17

1-1

SAFETY

SEATSANDRESTRAINTS

Introduction.................1-19

SafetyRestraintBelts.............1-20

TetherBelts.................1-22

Komfort-Lok®Feature.............1-23

DuringPregnancy...............1-24

BeltDamageandRepair............1-25

SleeperBunksandRestraints.........1-25

SafetyRestraintTips.............1-28

START-UP

Introduction.................1-30

SafeVehicleOperation............1-30

VehicleLoading................1-31

EmergencyEquipment............1-33

Driver'sCheckList..............1-33

1-2

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 shouldbestoredinthecabfor convenientreferenceandremain withthistruckwhensold.

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.

INTRODUCTION

WARNING

Thesafetymessagefollowingthis symbolandsignalwordprovidesa warningagainstoperatingprocedures whichcouldcausedeathorpersonal injury.Theycouldalsocause equipmentorpropertydamage.The alertwillidentifythehazard,howto avoidit,andtheprobableconsequence ofnotavoidingthehazard.

Example:

WARNING

Donotcarryadditionalfuel containersinyourvehicle.Fuel containers,eitherfullorempty, mayleak,explode,andcauseor feedare.Donotcarryextrafuel containers.Evenemptyonesare dangerous.Failuretocomplymay resultindeathorpersonalinjury .

CAUTION

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

Example:

CAUTION

Continuingtooperateyourvehicle withinsufcientoilpressurewill causeseriousenginedamage. Failuretocomplymayresultin equipmentorpropertydamage.

1-4

INTRODUCTION

NOTE

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

Example:

NOTE

Pumpingtheacceleratorwillnot assistinstartingtheengine.

VehicleSafety

WARNING

Donotdrinkalcoholanddrive.Your reexes,perceptions,andjudgment canbeaffectedbyevenasmall amountofalcohol.Youcouldhave aseriousorevenfatalaccident, ifyoudriveafterdrinking.Please donotdrinkanddriveorridewith adriverwhohasbeendrinking. Failuretocomplymayresultin death,personalinjury,equipmentor propertydamage.

WARNING

Donottextanddrive.Yourreaction time,perceptionsandjudgmentcan beaffectedwhiletextingorusing anyotherformofmobilemessaging whiledriving.Failuretocomply mayresultindeath,personalinjury , equipmentorpropertydamage.

Makesureyourvehicleisintop workingconditionbeforeheading outontheroad,itistheresponsible driver'sdutytodoso.Inspectthe vehicleaccordingtotheDriver'sCheck

Listbeginningonpage1-33.

Everynewvehicleisdesignedto conformtoallFederalMotorV ehicle SafetyStandardsapplicableatthetime ofmanufacture.Evenwiththesesafety features,continuedsafeandreliable operationdependsgreatlyupon regularvehiclemaintenance.Follow themaintenancerecommendations foundinPreventiveMaintenanceon

page5-9.Thiswillhelppreserveyour

investment.

Keepinmindthatevenawell maintainedvehiclemustbeoperated withintherangeofitsmechanical capabilitiesandthelimitsofitsload ratings.SeetheWeightRatingslabel onthedriver'sdooredge.

INTRODUCTION

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

beentrained,getthepropertraining beforeyoudrive.Onlyqualieddrivers shoulddrivethisvehicle.

CaliforniaProposition65 Warning

•Dieselengineexhaustandsome

ofitsconstituentsareknownto theStateofCaliforniatocause cancer,birthdefects,andother reproductiveharm.

•Otherchemicalsinthisvehicle

arealsoknowntotheStateof Californiatocausecancer,birth defectsorotherreproductive harm.

•Batteryposts,terminals,and

relatedaccessoriescontainlead andleadcompounds,chemicals knowntotheStateofCalifornia tocausecancerandreproductive harm.Washhandsafterhandling.

1-6

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–

•http://www.dmv .ca.gov/

pubs/vctop/d03_6/vc9951.htm

EnvironmentalProtection

WARNING

Dieselengineexhaustandsome ofitsconstituentsareknownto theStateofCaliforniatocause cancer,birthdefects,andother reproductiveharm.Otherchemicals inthisvehiclearealsoknowntothe StateofCaliforniatocausecancer, birthdefectsorotherreproductive harm.Thiswarningrequirement ismandatedbyCalifornialaw (Proposition65)anddoesnotresult fromanychangeinthemannerin whichvehiclesaremanufactured.

Someoftheingredientsinengine oil,hydraulicoil,transmissionand axleoil,enginecoolant,dieselfuel, airconditioningrefrigerant(R12, R134a,andPAGoil),batteries,etc., maycontaminatetheenvironmentif spilledornotdisposedofproperly. Contactyourlocalgovernmentagency

forinformationconcerningproper disposal.

1-7

INTRODUCTION

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

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cations canaffectyourvehicle'selectrical system,stability ,orotherimportant functions.Beforemodifyingyour vehicle,checkwithyourdealerto makesureitcanbedonesafely. Impropermodicationscancause deathorpersonalinjury .

1-8

INTRODUCTION

AdditionalSourcesof Information InstalledEquipmentOperator'sManuals

Majorcomponentsuppliersalsosupply operationmanualsspecictotheir products.Additionalmanualsand otherpiecesofliteratureareincluded inthegloveboxliteraturepackage. Lookforinformationonproducts suchastheengine,driver'sseat, transmission,axles,wheels,tires, ABS/ESP(ifapplicable),radio,5th wheel,lanedepartureandadaptive cruisecontrol.Ifyouaremissingthese piecesofliterature,askyourDealer forcopies.

OtherSources

Anotherplacetolearnmoreabout truckingisfromlocaltruckdriving schools.Contactonenearyoutolearn aboutcoursestheyoffer.

Federalandstateagenciessuch asthedepartmentoflicensingalso haveinformation.TheInterstate CommerceCommissioncangive youinformationaboutregulations governingtransportationacrossstate lines.

1-9

CABANDFRAMEACCESS

CABANDFRAME

ACCESS

Safety

WARNING

Alwaysreinstallstepsbefore enteringthecaboraccessingthe deckplate.Withoutstepsyoucould slipandfall.Failuretocomplymay resultindeathorpersonalinjury .

Becarefulwheneveryougetintoorout ofyourvehicle’scab.Alwaysmaintain atleastthreepointsofcontactwith yourhandsonthegrabhandlesand yourfeetonthesteps.

WARNING

Jumpingoutofthecaborgetting intothecabwithoutpropercaution isdangerous.Youcouldslipand fall,whichcouldleadtodeathor personalinjury.Keepstepsclean. Cleananyfuel,oil,orgreaseoffof thestepsbeforeenteringthecab. Usethestepsandgrabhandles provided,andalwayskeepatleast threepointsofcontactbetween yourhandsandfeetandthetruck. Alwaysfacetowardthevehicle whenenteringorexitingthecaband lookwhereyouaregoing.

Thefollowingpictureshowsthebest waytoenterandexitaConventional Cab.

1-10

CABANDFRAMEACCESS

DoorLockandKeys DoorLock

Doorscanbelockedfromtheinsideby usingthelockbutton.Closethedoor thenpushthebuttondowntolock. Doorsautomaticallyunlockwhenyou openthemfrominside,andcanbe lockedfromtheoutsidewiththekeyor theoptionalremotekeylessentrykey fob.

WARNING

Toreducethechanceofdeathor personalinjury,alwayslockthe doorswhiledriving.Alongwith usingthelapshoulderbeltsproperly, lockingthedoorshelpsprevent doorsfrominadvertentlyopening andoccupantsfrombeingejected fromthevehicle.

Tolockorunlockthedoorsfrom outsidethecab,insertthekeyinthe lock.Turnthekeytowardtherearto lock;forwardtounlock.

Keys

Thesamekeytsyourignition,doors, andsleeperluggagecompartment.

Frame-mountedtoolboxlocksand lockingfueltankcapseachhave individualkeys.

1-11

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:L2C0032R IC:3432A-0032RThisdevice complieswithPart15oftheFCC RulesandwithRSS-210ofIndustry Canada.Operationissubject tothefollowingtwoconditions: (1)Thisdevicemaynotcause harmfulinterference,and(2)This devicemustacceptanyinterference received,includinginterferencethat maycauseundesiredoperation. Changesormodicationsnot expressivelyapprovedbytheparty responsibleforcompliancecould voidtheuser'sauthoritytooperate theequipment.Theterm“IC:” beforetheradiocerticationnumber onlysigniesthatIndustryCanada technicalspecicationsweremet.

Operation

ToUnlockTheDriver’sDoor

PresstheUNLOCKbuttononce.The driver'sdoorwillunlockandtheparking lightswillcomeonfor40seconds.

ToUnlockThePassenger’s Door

PresstheUNLOCKbuttononceand pressagainwithin5seconds.The passengerdoorwillunlock.

ToLockAllDoors

PresstheLOCKbutton.Thedoorswill lockandtheparkinglightswillcome onfor2seconds.Ifthedoorsareopen theywillnotlock.Therangeofthe RKEsystemshouldbeapproximately 30ft.Thiswillbereducedifitis operatedclosetootherRFsources suchasTV/radiotransmittersandcell towers.

1-12

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 handsonthegrabhandlesand yourfeetonthesteps.Alwaysface towardthevehiclewhenenteringor exitingthecabandlookwhereyou aregoing.Failuretocomplymay resultindeathorpersonalinjury .

WARNING

Whensteppingontoasurfaceto enterthecaboraccessthedeck plate,onlyusethestepsandgrab handlesinstalledanddesignedfor thatpurpose.Failuretousethe properstepsandgrabhandlescould causeafallwhichmayresultin deathorpersonalinjury .

1-13

CABANDFRAMEACCESS

Keepstepsclean.Cleananyfuel, oil,orgreaseoffthestepsbefore enteringthecaboraccessingthe deckplate.Steppingonaslippery surfacecancauseafallwhichmay resultindeathorpersonalinjury .

Alwaysreinstallstepsbefore enteringthecaboraccessingthe deckplate.Withoutstepsyoucould slipandfall.Failuretocomplymay resultindeathorpersonalinjury .

Anyalteration(addingbulkheads, headacheracks,toolboxes,etc.) behindthecabthataffectsthe utilizationofinstalledgrabhandles, deckplates,orframeaccesssteps shouldcomplywithFederalMotor CarrierSafetyRegulation399.

WARNING

NOTE

Thefollowingpicturesshowyouthe rightwaytogetonandoffthearea behindyourcab.

Maintainthreepointsofcontact.

Holdhandlesasyoustepup.

1-14

GETTINGTOYOURENGINE

GETTINGTOYOUR ENGINE

HoodHoldDowns

Hoodholddownskeepahoodfrom openingunexpectedly .

CAUTION

Ahoodnotlatchedsecurelycould openduringoperationandcause vehicledamage.Besuretolatch thehoodsecurely.

1.HoodLatchintheClosedPosition

1-15

GETTINGTOYOURENGINE

2.PullLatchtoOpen3.PullUptoSeparate

HoodTilt

Toopenyourhood,unlockthehood holddownsbyunlatchingthem.Put oneorbothhandsonthetopofthe hoodfront.Tiltthehoodforwardby pullingatthetopofthehood,pivoting onthefootplacedonthebumper andusingthefootonthegroundfor stability.Keeppullingonthehood untilyouarecertainthatthehoodhold opendeviceisengaged.Whenclosing thehood,besurethatyoumaintain thesamepointsofcontact(topofhood andbumper)tocontrolthemovement ofthehoodasitcloses.

WARNING

Apivotinghoodcouldhurtsomeone orbedamageditself.Before openingorclosingthehood,besure therearenopeopleorobjectsinthe way.Failuretostandinapositionof safetycancausedeathorpersonal injury.

1-16

GETTINGTOYOURENGINE

Pullwithhandfromhere

HoodHold-OpenDevice

Thehoodisequippedwithahood hold-opendevice.Inorderforthehood hold-opendevicetobecomeengaged, thevehiclehoodmustbefullyopen. Oncethevehiclehoodisfullyopen, thehold-openlatchwillautomatically engageandwillneedtobedisengaged bytheoperator.

Thereleaseleverforthehoodhold opendeviceislocatednearthefront hingeofthehood.Presstheleverinto disengagethehoodholdopendevice.

Pressintodisengage

GETTINGTOYOURENGINE

Beforeopeningorclosingthe hood,makesureyourfootingis secureandstable.Failuretodo somaycausethehoodtoclose uncontrollablywhichmayresultin deathorpersonalinjury .

Alwaysensurethehoodhold-open latchisengagedtokeepthehood fullyopenanytimeanyonegets underthehoodforanyreason. Failuretodosomaycausethehood tocloseuncontrollablywhichmay resultindeathorpersonalinjury .

Beforeclosingthehood,besurethe areaisclear—nopeopleorobjects areintheway.Failuretodosomay resultindeathorpersonalinjury .

WARNING

1-18

SEATSANDRESTRAINTS

SEATSAND RESTRAINTS

Introduction

Thissectioncoverstheoperation andsafeuseofyourseats.For furtherinformationonfeaturesand adjustmentoftheseat,seethe manufacturer'sServiceandOperation Manualincludedwiththevehicle.

SeatAdjustment

WARNING

Donotadjustthedriver'sseat whilethevehicleismoving.The seatcouldmovesuddenlyand unexpectedlyandcancausethe drivertolosecontrolofthevehicle. Makealladjustmentstotheseat whilethevehicleisstopped.After adjustingtheseatandbeforedriving off,alwayschecktoensurethatthe seatisrmlylatchedinposition. Failuretocomplymayresultin death,personalinjury,equipmentor propertydamage.

StandardDriver'sSeat

Thestandarddriver'sseatcanbe adjustedforwardandrearwardaswell asupanddown.Theseatbackangle canalsobeadjusted.Thesethree movementsareeachcontrolledby

leverslocatedeitherbeneathoratthe sidesoftheseat.

Driver'sSeatwithAir Suspension

WARNING

Beforedrivingorridinginvehicle, ensurethatthereisadequatehead clearanceatmaximumupward travelofseat.Injurymayoccurif headclearanceisnotadequate. Failuretocomplymayresultindeath orpersonalinjury.

RecliningSeats

Raisetheseatallthewayupsothat theseatwilltiltbackandcompletely clearobjectsbehindyou.

SEATSANDRESTRAINTS

Donotdriveorridewithyourseat backinthereclinedposition.You couldbeinjuredbyslidingunder theseatbeltsinacollision.Failure tocomplymayresultindeathor personalinjury .

WARNING

SafetyRestraintBelts

Safetybeltshaveproventobethe singlemosteffectivemeansavailable forreducingthepotentialforeither deathorpersonalinjuryinmotor vehicleaccidents.Unbeltedriders couldbethrownintothewindshield orotherpartsofthecaborcouldbe thrownoutofthecab.Theycould strikeanotherperson.Injuriescanbe muchworsewhenridersareunbelted. Alwaysfastenyourseatbeltandbe sureanyoneridingwithyoudoesthe same.Therefore,readthefollowing instructionsandalwaysobserveuser warningspertainingtosafetybelts.

WARNING

Donotdrivevehiclewithoutyour seatbeltandyourridersbelts fastened.Ridingwithoutasafety beltproperlyfastenedcanlead todeathorpersonalinjuryinan emergency.

Yourvehicleisequippedwithaseatbelt indicatorinthewarninglightdisplay abovethespeedometer/tachometer (see“SeatBelt,Fasten”onpage3-42).

SEATSANDRESTRAINTS

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.

Ifthebeltislocked,leanthebodyback toremoveanytensioninthebelt.After releasingthebelt,allowthebeltto retractcompletelybyguidingthebelt tongueuntilthebeltcomestoastop.

SEATSANDRESTRAINTS

SafetyRestraintBelts

LapBelt

CorrectIncorrect(toohighonhips)Correct(overarm)Incorrect(underarm)Incorrect(twisted)

WARNING

Properseatbeltadjustmentanduse isimportanttomaximizeoccupant safety.Failuretowearoradjust thesafetybeltproperlymayresultin deathorpersonalinjury .

TetherBelts

Thisvehiclemayhaveanexternal tetherbeltinstalledwithaseat,instead oftheinternaltetheringdevice.Tether beltsaredesignedtorestraintheseat intheeventofasuddenstoporan accident.

ShoulderBelt

Internaltetherbeltsdonotrequire adjustment.

SEATSANDRESTRAINTS

WARNING

Donotremove,modify,orreplace thetetherbeltsystemwithadifferent tethersystem.Afailedormissing tetherbeltcouldallowtheseatbase tofullyextendintheeventofan accident.Failuretocomplymay resultindeathorpersonalinjury .

WARNING

Failuretoadjusttetherbeltsproperly cancauseexcessivemovement oftheseatinanaccident.T ether beltsshouldbeadjustedsothat theyaretautwhentheseatisinits mostupwardandforwardposition. Failuretocomplymayresultindeath orpersonalinjury.

Toadjustanexternaltether belt

•Makesurethatthetetherbeltis

attachedtothecaboorandseat frame.Itshouldberoutedthrough thebuckleoneachside.

•Oftentheattachmentsaremade

usingasplit-typehook.Makesure bothhalvesofthehookarearound theanchorbracket.

•Tolengthenthetether,turnthe

buckletoarightangletothe webbing.Thenpullthebuckle. Toshortenthetether,pullonthe strap.

Komfort-Lok®Feature

Yourvehicleincludesafeature designedtoeliminatecinchingand provideimprovedsafetyandcomfort. Cinchingistheconditionwhereabelt becomescontinuallytighteraround youduringarough,bouncyride.The needforthisfeatureincreaseswith roughroadconditions,particularlyover longdistances.

Toeliminatecinching,simplyactivate theKomfort-Lokfeaturelocatedonthe seatbeltwebbingattheappropriate time.

1.Fastentheseatbeltaccording toinstructions,SeeSeatsand

Restraintsonpage1-19.

2.Youarenowreadytoactivatethe Komfort-Lok.Leanforwardtopull alittleslackinthebelt[maximum of1in.(25mm),measuredfrom thebelttoyourchest].Besureto allowonlyasmallamountofslack.

SEATSANDRESTRAINTS

SeeSafetyRestraintBeltWarning

onpage1-22

3.Whentheslackisright,pushon theportionlabeledON,whichwill cinchitintoplace.Thislocksthe Komfort-Lok.

4.T oreleasetheKomfort-Lok,push downontheportionlabeled OFF,orsimplypulldownonthe shoulderbelt.

5.Whenyouwanttogetoutofthe cab,releasethelatch,thenjust pushthebuttononthebuckle.

DuringPregnancy

Pregnantwomenshouldalwayswear combinationlap/shoulderbelts.The lapbeltportionmustbewornsnugly andaslowaspossibleacrossthe pelvis.T oavoidpressureonthe abdomen,thebeltmustneverpass overthewaist.Aproperlywornseat beltmaysignicantlyreducetherisks towomanandbabyintheeventofa crash.

Komfort-Lok®

SEATSANDRESTRAINTS

PregnantWomanwithBeltProperly Worn

BeltDamageandRepair

Damagedbeltsinthecabmust bereplaced.Beltsthathavebeen stretched,cut,orwornoutmaynot protectyouinanaccident.

Ifanyseatbeltisnotworkingproperly, seeanAuthorizedServiceCenterfor repairorreplacement.

Forfurtherinformationonseatbelts andseatbeltmaintenance,seeSafety

RestraintSystem-Inspectiononpage 5-66.

SleeperBunksand Restraints

Forcabsequippedwithasleeper,be suretousetherestraintdeviceswhen thevehicleisinmotion.Y ourvehicle

SEATSANDRESTRAINTS

mayhavebeltsand/oranetrestraint

systemwhichareoverthebunkor covertheopening.

Ifyourvehiclehasanupperandlower bunk,theupperbunkcanbefoldedup outofthewaytoprovideyouwithmore roominthesleeper.Foldtheupper bunkupandinsertthemetalendofthe bunkretainingbeltsintothebuckles.

WARNING

Besuretherestraintsystemis usedwhenanyoneisoccupyingthe sleeperwhilethevehicleismoving. Inanaccident,anunrestrained personlyinginasleeperbunkcould beseriouslyinjured.Heorshe couldbethrownfromthebunk. Failuretocomplymayresultin death,personalinjury,equipmentor propertydamage.

Lower:

WARNING

Alwayskeepthelowerbunkinits downpositionwhilethevehicleis moving.Ifleftintheupposition, storeditemscouldbecomeloose duringanaccidentandstrikeyou, causingdeathorpersonalinjury.

Beforeyoumovethevehicle,checkto besurethelowerbunkisinthedown position.

Upper:

WARNING

Besurethelatchthatholdsthe upperbunkinthefoldedposition isworkingproperlysothebunkwill notfalldown.Pullonthebunkto besureitislatchedsecurely .If thebunkfalls,youcouldbeinjured. Failuretocomplymayresultin death,personalinjury,equipmentor propertydamage.

PerFMCSR392.60-Unauthorized PersonsNottobeTransported. Federallawprohibitsthetransportation ofpersonsincommercialvehicles unlesstheyarespecicallyauthorized inwritingbythemotorcarrier.See thecitedFMCSRforacomplete descriptionoftheregulationand exemptions.

SEATSANDRESTRAINTS

WARNING

Anylooseitemsontheupperor lowerbunkshouldbemovedtoa securedplacebeforedrivingthe vehicle.Failuretocomplymayresult indeath,personalinjury ,equipment orpropertydamage.

UpperRearSleeperStorage

Yourvehiclemaybeequippedwithan upperstorageshelfthatextendsover thelowerbunkandacrosstherear ofthesleeper.Thefollowingwarning applies:

WARNING

Overheadcompartmentsarenot intendedforitemsexceedingtheir designedweightlimits.Exceeding theweightlimitsmaycausetheshelf tocollapseandoritemsmayfallout inasuddenstopwhichmayleadto deathorpersonalinjury .

Compartmentsinthecabandsleeper areprovidedforstorageofnecessary itemsusedduringoperation.The storageareasabovethedoorare designedtoholdacombinedtotal notexceeding14lbs(6kg)per compartmentandtheotheroverhead compartments(includingthosein

theoptionalsleeper)shouldholda combinedtotalnotexceeding5lbs (2.2kg)percompartment.

1-27

SEATSANDRESTRAINTS

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.

•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

SEATSANDRESTRAINTS

tokeepyouandyourpassengers safe.

•Ifanyseatbeltorbunkrestraint

isnotworkingproperly,seean authorizeddealerforrepairor replacement.

1-29

START-UP

Introduction

Thefollowingsectioncoversstart-up proceduresforgettingyourvehicle readyfortheroad.

SafeVehicleOperation

Foryoursafety,aswellasthose aroundyou,bearesponsibledriver:

•Ifyoudrinkalcohol,donotdrive.

•Donotdriveifyouaretired,ill,or

underemotionalstress.

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.

START-UP

WARNING

Theuseofalcohol,drugs,and certainmedicationswillseriously impairperception,reactions,and drivingability.Thesecircumstances cansubstantiallyincreasetherisk ofanaccident.Failuretocomply mayresultindeath,personalinjury , equipmentorpropertydamage.

Donotdrinkalcoholanddrive.Y our reexes,perceptions,andjudgment canbeaffectedbyevenasmall amountofalcohol.Y oucouldhavea seriousorevenfatalaccident,ifyou driveafterdrinking.Pleasedonot drinkanddriveorridewithadriver whohasbeendrinking.

WARNING

VehicleLoading

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

WARNING

Donotexceedthespeciedload rating.Overloadingcanresultinloss ofvehiclecontrol,eitherbycausing componentfailuresorbyaffecting vehiclehandling.Exceedingload ratingscanalsoshortentheservice lifeofthevehicle.Failuretocomply mayresultindeathorpersonal injury.

Thegrossvehicleweightrating (GVWR),orthemaximumfront andreargrossaxleweightratings (GAWRs)aredeterminedbythe

1-31

START-UP

componentsinstalledfromthefactory

ontothevehicleandtheirdesigned specications.(Axleweightratingsare listedonthedriver'sdooredge.)

Thefollowingaresomedenitionsof weightyoushouldknow:

GVWR:

Rating.ThisistheMAXIMUM WEIGHTyourvehicleisallowedto carry,includingtheweightoftheempty vehicle,loadingplatform,occupants, fuel,andanyload.Neverexceedthe GVWRofyourvehicle.

GCW:

orGrossCombinationWeight(GCW), ofyourvehicleanditsload:vehicle, plustrailer(s),pluscargo.

istheGrossVehicleWeight

istheactualcombinedweight,

LoadDistribution:

youcarryisdistributedsothatnoaxle hastosupportmorethanitsGAWR.

besureanyload

WARNING

Anunevenlydistributedloadora loadtooheavyoveroneaxlecan affectthebrakingandhandlingof yourvehicle,whichcouldresultin anaccident.Evenifyourloadis underthelegallimits,besureitis distributedevenly .Failuretocomply mayresultindeath,personalinjury , equipmentorpropertydamage.

GAWR:

Rating.Thisisthetotalweightthat oneaxleisdesignedtotransmittothe ground.Youwillndthisnumberlisted onthedriver'sdooredge.

istheGrossAxleWeight

1-32

START-UP

EmergencyEquipment

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

•windowscraper

•snowbrush

•containerorbagofsandorsalt

•emergencylight

•warningtriangles

•smallshovel

•rstaidkit

•reextinguisher

•vehiclerecoveryhitches(see

VehicleRecoveryGuidelineson page2-12fordetails).

Driver'sCheckList

Tokeepyourvehicleintopshapeand maintainahighlevelofsafetyforyou, yourpassengers,andyourload,make athoroughinspectioneverydaybefore youdrive.Y ouwillsavemaintenance 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 .

START-UP

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.

a.Engineoil

b.Coolant(checkwhileengine

iscold)

c.Powersteeringuidlevel

2.EngineBelt-checktensionand conditionofbelts.

a.SeeAccessoryDriveBelts

onpage5-95forfurther

informationoncheckingbelt tension.

NOTE

Deectionshouldbeonebelt thicknessforeachfootdistance betweenthepulleycenters.

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.).

START-UP

9.Checkclutchhydraulicuid.

ChassisandCabChecksDaily

Beforeenteringthecabandoperating thevehicle,checkthefollowing equipmentforpropermaintenance:

1.Lights-areanyexteriorlights crackedordamaged? Performanexteriorlighttestusing thedashmountedswitchnextto thesteeringwheel.SeeExterior

LightingSelf-T estonpage3-63.

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.

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

6.AirSystem-arethereleaks? AirTanks-drainwaterfromallair tanks.Makesurethedraincocks areclosed.Thisprocedureisalso requiredforairsuspensiontanks equippedwithautomaticdrain valves. ForfurtherdetailsSeeUsingthe

BrakeSystemonpage4-22.

7.StepsandHandholds-check forwornsurfacesandlooseor missingfasteners(whichincludes anyfueltanksteps).

8.FluidT anks(Fuel,DEF ,etc.)checkunderneaththevehiclefor

signsofuidleaks.Ifanyare found,correctbeforeoperatingthe vehicle.

9.FuelT ankHardware-arethe tanksllcapssecure?Arethe tankstrapstight?Isthestrap webbinginplace?

WARNING

Dieselfuelinthepresenceofan ignitionsource(suchasacigarette) couldcauseanexplosion.Do notremoveafueltankcapnear anopename.Useonlythefuel and/oradditivesrecommended foryourengine.Amixtureof gasolineoralcoholwithdieselfuel increasesthisriskofexplosion. Failuretocomplymayresultin death,personalinjury,equipmentor propertydamage.SeeRefuelingon

page4-63,formoreinformation.

10.TrailerConnections-arethey secureandthelinesclear?If

1-35

START-UP

theyarenotbeingused,arethey storedproperly?

a.Isthetrailersparewheel

secureandinated?

b.Isthelandinggearupandthe

handlesecured?

11.Checkthefthwheel.Isthe kingpinlocked?

a.Istheslidingfthwheel

locked?

CabInterior-Daily

1.Seat-adjusttheseatforeasy reachofcontrolsandvisibility.

2.SeatBelts-fastenandadjust safetyrestraintbelts(whichmay includerestraintsinthesleeper).

3.SteeringColumn-adjustforeasy reachandvisibility .

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lterchecktheconditionofthesleeper 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

1-36

START-UP

WeeklyOperations

1.Battery-checkbatteryand terminals.

2.WheelCapNuts-aretheyall inplaceandtorquedproperlytightenifnecessary.SeeWheel

CapNutT orqueonpage5-140.

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.

b.Checktheaircleaner,mufer,

andexhaustpipes.Arethey tightandsecure?

c.Forvocationalvehicles

withoptionalengineair pre-cleaner,checkthepurge valveatthebottomofthehood mountedengineairprecleaner foranyobstructions.Make surethepurgevalvewillopen andcloseasneededtopurge dirtandwaterfromtheengine intakeair.

d.Automatictransmissionuid

(whenapplicable)-Check level,aftertheenginehas warmeduptooperating temperature.

1-37

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

EMERGENCY

2-1

WHATTODOIF...

WHATTODOIF ...

YouNeedRoadside Assistance

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

•Open24-7-365daysayear

•Theycanhelpyougetroadside

assistance.

•Theyhaveacustommapping

systemwhichlocatesKenworth 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 contactwithaKenworthdealer whocan.

•TheP ACCARCustomerCenter

serviceisFREEevenifyoudon’t driveaKenworth.

LowAirAlarmTurnsOn

1.Slowdowncarefully.

2.Moveasafedistanceofftheroad andstop.

3.Placethetransmissionin neutral(parkwithautomatic transmissions,ifequipped)and settheparkingbrake.(Refer toParkingBrakeValveon

page4-35andOperatingthe Transmissiononpage4-19,for

transmissionshiftingandparking brakeinformation.)

4.TurnOFFtheengine.

5.TurnONtheemergencyasher anduseotherwarningdevicesto alertothermotorists.

WHATTODOIF...

WARNING

Iftheairpressurefallsbelow60 psi(414kPa)thespringbrakes maystopthevehicleabruptly,which

couldcauseanaccidentresultingin deathorpersonalinjury.Observe theredwarninglampsonthe gauges.Ifonecomeson,donot continuetodrivethevehicleuntil ithasbeenproperlyrepairedor serviced.

Ifthelightandalarmdonotturnoffat startup,donottrytodrivethevehicle untiltheproblemisfoundandxed. (RefertoUsingtheBrakeSystemon

page4-22,formorebrakeinformation.)

StopEngineLampTurnsOn

StopEngineLamp-Ifthe

StopEnginewarninglamp illuminates,itmeansyou haveaseriousenginesystem problem.

WARNING

Thisshouldbeconsideredan emergency.Youshouldstopthe vehicleassafelyaspossibleand turnOFFtheignition.Thevehicle mustbeservicedandtheproblem correctedbeforedrivingagain. Failuretodosomaycausesevere engineorDPFdamage,orcausean accidentwhichmayresultindeath orpersonalinjury.

EngineOilPressureLamp TurnsOn

EngineOilPressureLamp

-Iftheoilpressuresuddenly drops,ortheaudiblealarmand engineoilpressurewarning lightcomeonwhiledriving,do thefollowing:

1.Slowdowncarefully.

2.Moveasafedistanceofftheroad andstop.

3.Placethetransmissioninpark andsettheparkingbrake. (SeeParkingBrakeValveon

page4-35andOperatingthe Transmissiononpage4-19,for

transmissionshiftingandparking brakeinformation.)

4.TurnOFFtheengine.

5.TurnONtheemergencyasher anduseotherwarningdevicesto alertothermotorists.

WHATTODOIF...

6.Waitafewminutestoallowoilto drainintotheengineoilpan,and thenchecktheoillevel.(SeeOil

LevelCheckonpage5-92,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

Valveonpage4-35andPutting theVehicleinMotiononpage 4-16,fortransmissionshiftingand

parkingbrakeinformation.)Keep theenginerunning.

2.ChecktoensuretheOilPressure Gaugereadsnormal.(SeeEngine

OilPressureGaugeonpage3-1 1,

forfurtherinformation.)

3.Makesuretheenginefanis turningbyswitchingtheEngine FanSwitchfromAUTOtoMAN (Manual).

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

5.Returntheenginespeedtonormal idleafter2or3minutes.

6.Monitortheenginetemperature. Afterthetemperaturereturnsto normal,allowtheenginetoidle

WHATTODOIF...

3to5minutesbeforeshuttingit 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

CoolingSystemonpage5-71,for

instructionsoncheckingandllingthe coolantexpansiontank.

WARNING

Toreducethechanceofdeath, personalinjuryand/orvehicle damagefromoverheatedengines, whichcanresultinare,never leavetheengineidlingwithoutan alertdriverpresent.Iftheengine shouldoverheat,asindicatedby theenginecoolanttemperature light,immediateactionisrequired tocorrectthecondition.Continued unattendedoperationoftheengine, evenforashorttime,mayresultin seriousenginedamageorare.

WARNING

Donotremovetheradiatorllcap whiletheengineishot.Scalding steamanduidunderpressuremay escape.Youcouldbebadlyburned. Failuretocomplymayresultindeath orpersonalinjury.

FuseorRelayBlows

Fusesarelocatedbehindthedrivers sidekickpanel,belowtheignition switch,andaccessiblebyadoorpanel. SeePowerDistributionBoxonpage

5-82.

Thevehiclemainpowerrelaysare locatedintheenginecompartment. SeePowerDistributionCenter(PDC)

onpage5-79.

WARNING

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

2-6

WHATTODOIF...

CAUTION

Beforereplacingafuse,turnOFFall lightsandaccessoriesandremove theignitionkeytoavoiddamaging theelectricalsystem.

CAUTION

Neverpatchfuseswithtinfoilor wire.Thismaycauseserious damageelsewhereintheelectrical circuit,anditmaycauseare.

CAUTION

Ifacircuitkeepsblowingfuses, havetheelectricalsysteminspected forashortcircuitoroverloadby anauthorizeddealerassoonas possible.Failuretodosocould causeseriousdamagetothe electricalsystemand/orvehicle.

FuseInspectionand Replacement

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.Y oucan alsouseafusefromacircuityoucan dotemporarilywithout(forexamplean accessorycircuitorradio).

CAUTION

Whenreplacingafailedcircuit breaker,alwaysuseanapproved circuitbreakerwithacurrentrating equaltoorlessthanthecircuit breakerbeingreplaced.Onlyuse theapprovedTypeIImodiedreset circuitbreakers.NEVERusea TypeI(automaticreset)orTypeIII (manualreset)circuitbreaker.A fusewithacurrentratingequaltoor lessthanthecircuitbreakerbeing replacedcanalsobeused.

2-7

JUMPSTARTINGVEHICLES

JUMPSTARTING VEHICLES

Introduction

Jumpstartingavehicleisnota recommendedpracticeduetothe variousbatteryinstallationsand electricaloptions.

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

WARNING

Batteriescontainacidthatcan burnandgassesthatcanexplode. Ignoringsafetyproceduresmay resultindeath,personalinjury , equipmentorpropertydamage.

WARNING

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

WARNING

Neverremoveortamperwith batterycaps.Ignoringthiscould allowbatteryacidtocontacteyes, skin,fabrics,orpaintedsurfaces. Failuretocomplymayresultin death,personalinjury,equipmentor propertydamage.

Becarefulthatmetaltools(orany metalincontactwiththepositive terminal)donotcontactthepositive batteryterminalandanyothermetalon thevehicleatthesametime.Remove

metaljewelryandavoidleaningover thebattery .

JUMPSTARTINGVEHICLES

ToJumpStartYourVehicle

WARNING

Whenjumpstartingusingabattery booster,itisbesttojumpstart withanequivalentlypowered vehicle.Verifythatthebooster batteryhasthesamevoltand CCAspecicationsasthedead batterybeforeattemptingtojump start.Failuretocomplymay causeanexplosionresultingin death,personalinjury,equipmentor propertydamage.

CAUTION

Applyingahighervoltagebooster batterymaycauseexpensive damagetosensitiveelectronic components,suchasrelays, ElectronicControlunitsor electronicsingeneral.Failureto complymayresultinequipment damage.

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 theY ellowbuttonlocatedonthe dash.

6.Shiftthetransmissionintopark positionorneutralformanual transmissions.(SeeOperating

theTransmissiononpage4-19

andParkingBrakeValveonpage

4-35,fortransmissionshiftingand

parkingbrakeinformation.)

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.

2-10

Removejumpercables:

WARNING

Whendisconnectingjumpercables, makesuretheydonotgetcaught inanymovingpartsintheengine compartment.Failuretocomply mayresultindeath,personalinjury , equipmentorpropertydamage.

Reversetheaboveprocedureexactly whenremovingthejumpercables. Withenginerunning,disconnect jumpercablesfrombothvehiclesin theexactreverseorder,makingsure torstremovethenegativecablefrom thevehiclewiththedischargedbattery.

JUMPSTARTINGVEHICLES

2-11

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 thedrivingwheelsofftheground beforetowingthevehicle.T owing thevehiclewitheitherthewheelson thegroundortheaxleshaftsinthe axleswillcausedamagetotheaxle gears.

CAUTION

IfyourvehiclehasaMeritoraxlewith adriver-controlledmaindifferential lock,installthecagingboltbefore removingtheaxlesfortowing,see

DriverControlledMainDifferential Lockonpage2-16.Installingthe

cagingboltpreventsdamageby lockinginternalaxlecomponentsin position.

CAUTION

ConnectonlytotheRecovery Hitches,seeVehicleRecovery

Guidelinesonpage2-12.

Connectionstootherstructural partscoulddamagethevehicle.Do notattachtobumpersorbrackets. Useonlyequipmentdesignedfor thispurpose.Failuretocomplymay resultinequipmentdamage.

2-12

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.

VEHICLERECOVERYANDSPRINGBRAKES

WARNING

Beforetowingavehicle,testyour airbrakestoensurethatyouhave properlyconnectedandinspected

therecoveryvehicle’sbrakesystem. Failuretodosocouldleadtoaloss ofvehiclecontrolwhichmayresult inanaccidentinvolvingdeathor personalinjury .

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 CombinationV ehicles."

•RecommendedPractice#626

—“HeavyDutyTruckT owing Procedures.”

Copiesofthesecanbeobtainedfrom thefollowingaddress:

Technology&MaintenanceCouncil 950N.GlebeRoad (703)838-1763 Arlington,VA22203 Email:tmc@trucking.org http://tmc.truckline.com

RecoveryHitchConnection

Speciallydesignedhitchesare requiredtorecoveryourvehicle.The recoveryhitchesattachtotheframe, seeRecoveryHitchAssemblyonpage

2-15.

Twohitchassemblies,madeupofthe followingparts,arerecommendedfor theproperrecoveryofyourvehicle: seeRecoveryHitchAssemblyonpage

2-15.

WARNING

Donotusepartsfromothertrucks ormaterialsfromothersources torepairahitchortoreplacea missinghitch.Thepartsprovided forrecoveryaremadeofhigh strengthsteelspecicallydesigned forvehiclerecovery.Failuretouse thecorrectfactoryequipmentmay resultinanaccidentinvolvingdeath orpersonalinjury.

2-14

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.

2-15

VEHICLERECOVERYANDSPRINGBRAKES

DriverControlledMain Differential

Followthesestepstolocka driver-controlledmaindifferential.

WARNING

Anopenairlineontherecovered vehiclewillcausealeakintheair systemoftherecoveryvehicleif bothvehicles’brakesystemsare connected.Thiscouldcausea lossofsystemair,whichcancause theservicebrakesnottofunction, resultinginthesuddenapplication ofthespringbrakescausingwheel lock-up,lossofcontrol,orovertake byfollowingvehicles.Y oucould beinanaccidentinvolvingdeath orpersonalinjury.Ensurethatany airlinethathasbeenremovedfrom adriver-controlledmaindifferential lockisrmlycappedtopreventloss ofairpressurefromtherecovery vehicleifitissupplyingairpressure.

DriverControlledMainDifferential Lock

1AirLine(removetoinstall

CagingBolt)

2CagingBolt(instorage

location)

1.Liftdrivingwheelsofftheground orremovethedrivelineandaxle shaftsbeforetowingthevehicle.

CAUTION

Failuretoliftthedrivingwheelsoff thegroundorremovethedriveline andaxleshaftsbeforetowingthe vehiclecouldseriouslydamageyour vehicle.Alllubricatingandclutch applicationoilpressureisprovided byanengine-drivenpump,which doesnotworkwhentheengineis stopped.Whenvehiclesaretowed eitherbywreckerorpiggyback, lubricantinthetopfrontofthedrive axlewilldraintotherear.This willleavethetopcomponentsdry, resultinginfrictionthatwillseriously damagethesecomponents.

2.Coveropenhubswhenremoving driveaxleshafts.

2-16

CAUTION

Water,dirtandothermaterialcan enteranopenhuboraxle.Thiscan contaminatetheaxleuidandcause possibledamagetocomponents. Ensurethatthehubsarecovered withplasticwheneveradriveaxle shaftisremoved.

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.

VEHICLERECOVERYANDSPRINGBRAKES

Thisactionwilllockthe differentialbypushingapiston intoa“lock”position.

CAUTION

Failuretoinstallthecaging boltwhentowingvehicleswith driver-controlmaindifferentiallock canresultindamagebyfailingto lockinternalcomponentsinposition.

WARNING

Ensuretherearenoopenairlineson therecoveredvehicleiftherecovery vehicleandrecoveredvehiclebrake systemsareconnected.Anopen airlineontherecoveredvehiclewill causealeakintheairbrakesystem oftherecoveryvehiclepossibly causingdeath,personalinjury , equipmentorpropertydamage.

CAUTION

Arecoveredvehiclewillhave nooperationalbrakesystem. Additionally,therearaxlespring brakeswillprobablybeapplied.

•Ifyoudesiretousetherecovered vehicle’sbrakes,ensurethatthe vehiclesairsystemisconnected tothatoftherecoveryvehicle. Alsoensurethatanyairline thathasbeenremovedfroma driver-controlledmaindifferential lockisrmlycappedtoprevent lossofairpressurefromthe recoveryvehicle.

•Ifyoudon’tdesiretousethe recoveredvehicle’sbrakes, ensurethatyoucagethespring brakesbeforeattemptingtomove thevehicle.

4.Installrecoveryhitchesand rigging.

2-17

VEHICLERECOVERYANDSPRINGBRAKES

CAUTION

Connectrecoveryriggingonlyto hitchesintendedforthatpurpose. Donotattachtobumpersor

brackets.Connectionstoother structuralpartscoulddamagethe vehicle.

RecoveryHitchCapacities

Themaximumratedloadsforvehicle recoveryvariesdependingonthe directionorangleofpull.These capacitiesarelistedinthetablebelow andareforthetwohitchesworking together,simultaneously.

HitchCapacities

DIRECTIONOF

PULL

DirectlyForward80,000 DirectlyV erticalor Horizontallytothe Side 45ºinanyDirection *Bothhitchespulledsimultaneously .

MAXIMUM CAPACITY

(Lb)*

14,600

20,000

CAUTION

Recoverypullmaximumsassume thetowriggingevenlydistributesthe loadbetweenbothrecoveryhitches. SeeexamplesinRecoveryRigging

onpage2-19fordetails.Serious

damagetothevehiclemayoccurif riggingisnotconnectedproperly.

CAUTION

Whenrecoveringditchedorbogged vehicles,staywellbelowMaximum Capacities.Evenatloadsbelow maximum,thephysicalstrainof recoveringavehiclecoulddamage axles,suspensions,fthwheels, etc.

2-18

VEHICLERECOVERYANDSPRINGBRAKES

RecoveryRigging

Toconnecttothevehicle,followthe suggestedriggingmethodsbelow.

•Useadoublechainorcablesetup

thatdistributestheloadequally tobothhitches.See1or2in RecoveryRiggingillustration.

1.SpreaderBarorEqualizer Preferred

•Neverloopasinglechainorcable

throughbothhitches(3).

•Useaspreaderorequalizerbarto

distributetheloadonbothhitches (1).

•Ifnospreaderbarisavailable,

connectthemaintowchainor

2.Minimum6FT. Acceptable

cablenocloserthan6ft.fromthe vehicle(2).

3.NEVERUSESINGLECHAINORCABLE LOOPEDTHROUGHTOWDEVICES

2-19

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

Donotdrivevehiclewith malfunctioningbrakes.Ifoneof thebrakecircuitsshouldbecome inoperative,brakingdistanceswill increasesubstantiallyandhandling characteristicswhilebrakingwillbe affected.Y oucouldlosecontrolof yourvehicleorcauseanaccident. Haveittowedtothenearestdealer orqualiedrepairfacilityforrepair. Failuretocomplymayresultin death,personalinjury,equipmentor propertydamage.

Thebrakescanbereleasedinthis mannershouldthepressureintheair systemnotbeenoughtoreleasethem. Thismayoccurininstanceswhere theengine'saircompressorisnot abletogetthesystemuptooperating pressure.

WARNING

Donotdisassembleaspring brakechamber.Thesechambers containapowerfulspringthatis compressed.Suddenreleaseof thisspringmayresultindeathor personalinjury .

2-20

VEHICLERECOVERYANDSPRINGBRAKES

WARNING

Donotoperateavehiclewhenthe springbrakeshavebeenmanually released.Drivingavehicleafterits springbrakesaremanuallyreleased isextremelydangerous.Thebrakes maynotfunction.Failuretocomply mayresultindeath,personalinjury , equipmentorpropertydamage.

WARNING

Alwayssecurethevehiclewith wheelchocks,chains,orothersafe meanstopreventrollingbefore manuallyreleasingthespring brakes.Releasingthespringbrakes onanunsecuredvehiclecould leadtoanaccident.Thevehicle couldroll,whichmayresultin death,personalinjury,equipmentor propertydamage.

Tomoveavehicleimmobilizedby thespringbrakesduetolossofair

pressureinthebrakesystem,perform thefollowingprocedure:

1.Removethecapfrom thespringchamber.

2.Removetherelease studassemblyfromthe sidepocket,andremove thereleasenutand washerfromtherelease stud.

3.Slideouttherelease stud.

4.Insertthereleasestud throughtheopeningin thespringchamber wherethecapwas removed.Insertitinto thepressureplate.Turn thereleasestud1/4 turnclockwiseinthe pressureplate.This securesthecrosspin intothecrosspinareaof thepressureplateand locksitintothemanual releaseposition.

5.Assembletherelease studwasherandnuton thereleasestud.

2-21

VEHICLERECOVERYANDSPRINGBRAKES

6.Withawrench, turnthereleasestud assemblynutuntilthe compressionspringis 90-95percentcaged.

Whiledoingthis,check tomakesurethepush rod(adapterpush rodorservicepush rod)isretracting.Do notover-torquethe releasestudassembly . (S-Camtypemaximum: 50lb-ft,Wedgetype maximum:30lb-ft). Thespringbrakeisnow mechanicallyreleased.

Sand,Mud,SnowandIce

Ifthevehiclegetsstuckinsand, mud,snow,orice:

•Movethegearshiftleveror

selectorfromFirsttoReverse.

•Applylightpressureonthe

acceleratorpedalwhilethe transmissionisingear.

•Removeyourfootfromthe

acceleratorwhileshifting.

•Donotracetheengine.

•Forbesttractionandsafety,avoid

WARNING

Donotspinthewheelsfasterthan 35mph(55km/h).Spinningatireat speedometerreadingsfasterthan 35mph(55km/h)canbedangerous. Tirescanexplodefromspinningtoo fast.Undersomeconditions,atire maybespinningataspeedtwice thatshownonthespeedometer. Anyresultingtireexplosioncould causedeathorpersonalinjurytoa bystanderorpassenger,aswellas extensivevehicledamage:including tire,transmissionand/orrearaxle malfunction.

spinningthewheels.

Complywiththefollowing instructionstoavoidtransmission damage:

•Alwaysstartvehicleinmotionwith

theshiftleverinrstgear.

2-22

VEHICLERECOVERYANDSPRINGBRAKES

•Besurethattransmissionisfully

engagedingearbeforereleasing theclutchpedal(manualonly).

•Donotshiftintoreversewhilethe

vehicleismoving.

•Ifthevehicleneedstobe

recoveredfrombeingstuck,donot permitthevehicletobetowedfor longdistanceswithoutremoving thedriveshaft.

TireChains

Ifyouneedtirechains,installthemon bothsidesofthedrivingaxle.

CAUTION

Chainsonthetiresofonlyone tandemaxlecandamagethe drivelineU-jointsandtheinteraxle differential.Repairscouldbecostly andtime-consuming.Failureto complymayresultinequipment damage.

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. Anunsecuredfairingmaycome offofthevehicleduringtransit. Failuretosecurethefairingswhile towingmaycauseaninjuryaccident resultingindeathorpersonalinjury.

2-23

INSTRUMENTPANEL

GettingT oKnowY ourInstrumentPanel......3-5

InstrumentCluster...............3-7

InstrumentClusterDescription..........3-8

DriverPerformanceCenter...........3-14

DriverPerformanceCenterDescription.....3-15

HowT oNavigateTheFunctionsInTheDriver

WARNINGSYMBOLS

GuidetotheWarningSymbols.........3-29

DescriptionofWarningSymbols........3-37

OPTIONALGAUGES

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

Axle,PusherAirPressure...........3-43

Axle,T agAirPressure.............3-43

FuelFilterRestrictionPressure.........3-44

AirFilterRestrictionIndicatororGauge.....3-44

CONTROLS

PerformanceCenter.............3-20

3-1

CONTROLS

Engine,OilPressure.............3-45

Engine,OilT emperature............3-45

ManifoldPressureGauge...........3-45

FuelPressureGauge.............3-46

TransmissionT emperatureGauge........3-46

DriveAxleT emperatureGauge(ForwardandRear)3-46

SWITCHES

SuspensionLoadAirPressure,#1,#2......3-47

TractorBrakeApplicationAirPressure......3-47

TrailerBrakeApplicationAirPressure......3-48

TrailerAirT ankAirPressure..........3-48

TransferCaseOilT emperature.........3-48

TransmissionOilT emperature,Auxiliary.....3-49

TransmissionRetarderOilT emperature.....3-49

DashSwitches................3-50

ControlsOnTheSteeringColumn........3-67

SteeringWheelControls(Optional).......3-72

DoorMountedControls............3-75

3-2

HEATINGANDAIRCONDITIONING

ACCESSORIES

ExteriorLightsSelfT est............3-78

AirConditioningControls............3-79

Introduction.................3-80

AutomaticAirConditioning...........3-82

Semi-AutomaticControlMode.........3-83

MAXDefrost.................3-84

ManualOverride...............3-84

SleeperHeater-A/CControls(optional).....3-88

Radio(Option)................3-90

CigaretteLighterandAshtray(Option)......3-90

CabStorage.................3-91

IgnitionKeySwitch..............3-92

VehicleT elematicSystem...........3-93

PassengerSide'down'Mirror..........3-95

CONTROLS

3-3

INSTRUMENTPANEL

GettingToKnowYour InstrumentPanel

Thispartexplainsthelocationof thevariousfeaturesonyourvehicle anddescribestheirfunction.For informationonusingthesefeaturesin driving,seetheparagraphsthatfollow. Pleaserememberthateachvehicleis custom-made.Yourinstrumentpanel maynotlookexactlyliketheoneinthe picturesthatfollow.Wehavetriedto describethemostcommonfeatures andcontrolsavailable.Y oucanpick outthepartsthatapplytoyouandread themtobefullyinformedonhowyour particularvehicleoperates.

INSTRUMENTPANEL

1.InstrumentCluster

2.PACCARNavigation (optional)

3.Switches

4.AirConditioning

5.CupHolder

6.GloveBox

7.OverheadStorage

8.ParkBrakeControls

9.Radio

10.IgnitionSwitch

11.HeadlightSwitch

12.OptionalGauge

13.MenuControlSwitch(MCS)

InstrumentCluster

INSTRUMENTPANEL

1.Speedometer

2.FuelLevel(primary)

3.T achometer

4.IgnitionSwitch

5.EngineCoolant Temperature

6.EngineOilPressure

7.Voltmeter

8.DriverPerformanceCenter

9.BrakeApplicationPressure

10.Primary/SecondaryAir Pressure

11.DieselExhaustFluid(DEF)

12.MenuControlSwitch(MCS)

13.TripResetButton

INSTRUMENTPANEL

InstrumentCluster Description InstrumentSystemSelfTest

Whentheignitionswitchisturned ontheinstrumentationsystemwill undergoaSelfTest.Thistestwill verifytheoperationofthegaugesand warnings.

DuringtheInstrumentationSystem SelfT est,multiplewarningiconswill bedisplayedinasequence.Thetotal sequenceshouldonlytakenomore than10secondstocomplete.

RefertoWarningLight/Indicator

Symbolsonpage3-30forinformation

oneachsymbol.

Completingthissequencewillindicate asuccessfulSelfT est.Haveyour instrumentationsystemcheckedbya qualiedservicetechnicianifdoesnot successfullycomplete.

AudibleAlarm

Theaudiblealarmwillsoundduring theInstrumentationSystemSelfTest. Theaudiblealarmwillalsosoundin conjunctionwithmostwarninglights. Theseeventsincludebutarenot limitedtoheadlighton,fthwheel,stop engine,primary/secondaryair,and driverdooropenwarnings.

OptionalIcon

Additionaliconmaybeoperational dependingonindividualvehicle specications.Thesewillbeincluded intheInstrumentSystemSelfT est.

NOTE

Someoptionallightsmayilluminate eventhoughyourvehicleisnot equippedwiththatparticularfeature.

3-8

INSTRUMENTPANEL

CheckMessages

Checkmessagesareprovidedtogive theoperatoradditionalinformation regardingsystemsthatrequire attentionduetoasystemmalfunction and/oroperatingconditionsthatmay hindersafeandproperperformance forthevehicle.Somemessagescan bemanagedbytheoperatorwhile othersmayrequireanauthorized dealerrepair.

1.Speedometer

TheSpeedometerindicatesthevehicle speedinmilesperhour(mph)and inkilometersperhour(km/h).The Speedometerclusteralsoincludes severalwarningandindicatorlamps (seeAudibleAlertsonpage3-29).

2.FuelLevel,Primary

ThePrimaryFuelgaugeindicatesthe total(approximate)amountoffuelin thefueltank.Inadditiontoindicating emptyandfull,thegauge(s)also indicatethefuellevelingraduated increments.Whenthefuellevelforthe tankisbelow1/4full,aredwarning lightinthegaugewillcomeon.

Primary

Secondary

3-9

INSTRUMENTPANEL

NOTE

ForExportvehicles,thefuelgauges willnotstate:UL TRALOWSULFUR DIESELFUELONL Y .

NOTE

Thisvehiclemaybemanufactured

withdifferentfuelsystemsand differentdrawtubelocations. Becauseofthisandtheamount ofroadcrown,itisrecommended thatyoudonotoperateyourvehicle withlessthanone-quarterofyour truck’sfuelcapacity .Allowingthe fuelleveltogobelowone-quarterof capacitycouldresultinthelackof fueltokeeptheenginerunning.In addition,youwillwanttokeepthe fueltanksatleasthalf-fulltoreduce condensationofmoistureinthe tanks.Thismoisturecandamage theengine.

WARNING

Donotcarryfuelcontainersorany containerusedtostorecombustible liquids.Failuretocomplymayresult indeath,personalinjury ,equipment orpropertydamage.

WARNING

Donotremoveafueltankcap nearanopename.Fuelvapors maybehotandcombustibleand cancauseanexplosionorre. Failuretocomplymayresultin death,personalinjury,equipmentor propertydamage.

RefertoRefuelingonpage4-63for moreinformation.

3.T achometer

TheTachometermeasurestheengine speedinrevolutionsperminute(RPM).

TheRPMDetailisalsoavailableasa viewablescreenintheinstrumentation cluster.ViewingtheRPMdetailis accomplishedbyusingtheMCSdialto rotatetothe[VIRTUALGAUGES].

Thetachometerisausefulgauge whenattemptingtodriveefciently. Itwillletyoumatchdrivingspeed andgearselectiontotheoperating rangeofyourengine.Iftheengine speedgetstoohigh,youcanselecta highergeartolowertheRPM's.Ifthe enginespeeddropstoolow,youcan selectalowergeartoraisetheRPM's. (RefertoDrivingTipsandT echniques

onpage4-55forfurtherinstructions

ondrivingtechniquesandusingthe tachometer.)T oavoidenginedamage, donotletthepointerexceedmaximum governedspeed.(SeeyourEngine

INSTRUMENTPANEL

OperationandMaintenanceManual

forRPMrecommendations.)

Thetachometerwillilluminateasmall greenlightjustbelowthenumbers ofthegauge.Thisistoindicatethe enginespeedforoptimalfueleconomy. SeeOptimalEngineSpeedonpage

4-57formoreinformationonhow

tousethisindicatorduringnormal operation.

5.Engine,Coolant Temperature

Thewatertemperaturegaugeshows thetemperatureoftheenginecoolant. Undernormaloperatingconditions thewatertemperaturegaugeshould registerbetween165°and205°F(74° and90°C).Undercertainconditions, somewhathighertemperaturesmay beacceptable.Butthemaximum allowabletemperatureis210°F(99°C), exceptforcertainspecialengines. Checkyourenginemanualtobesure.

PleaserefertoEngineisOverheating

onpage2-5forinstructionsonwhatto

doiftheengineisoverheating.

6.Engine,OilPressure

Itisimportanttomaintainoilpressure withinacceptablelimits.Ifoilpressure dropsbelowtheminimumpsiared warninglightinthegaugewillturnon, theStopEnginelightwillcomeonand anaudiblealarmtonewillsound.

Forfurtherinformationonengineoil andnormaloperatingpressures,see theEngineOperationandMaintenance Manual.

CAUTION

Operatingyourvehiclewith insufcientoilpressurewillcause seriousenginedamage.

Iftheoilpressurefailstorisewithin10 secondsaftertheenginestarts,stop theengineanddeterminethecause.

3-11

INSTRUMENTPANEL

Checktheenginemanufacturer's manualforthecorrectoilpressure rangesforyourvehicle'sengine.

Iftheoilpressuresuddenlydrops, ortheaudiblealarmandengineoil pressurewarninglightcomeonwhile driving,pleaserefertoEngineOil

PressureLampTurnsOnonpage2-4

regardingwhattodoifoilpressureis insufcient.

Forfurtherinformationonengine gaugesandoperatingyourengine properly,refertoEngineMaintenance

onpage5-91.

8.DriverPerformance Center

Thedisplaycanshowmultiplewarning lights.Warninginformationwillappear momentarilyandthenwillminimizein thescreen.Reviewingthewarnings canbedonebynavigatingthemenu viatheMenuControlSwitch.

10.PrimaryandSecondary AirPressure

PrimaryAirPressure

SecondaryAirPressure

Theairgaugeindicatestheair pressureinthebrakesystem.There aretwodialindicators,theprimary indicatorandiconisfortherearbrake systemwhilethesecondarydialand iconisforthefrontbrakesystem.The gaugeindicatestheamountofair pressureineachsysteminpoundsper squareinch(psi).

Onvehiclesequippedwithmetricair pressuregauges,thegaugefaceplate

includesakPa(major)scaleandpsi (minor)scale.

PleaserefertoLowAirAlarmTurns

Ononpage2-3forinstructionson

whattodoiftheairsystembecomes inoperative.

NOTE

Besuretheairpressureregisters morethan100psi(690kPa)inboth servicesystemsbeforeyoumove thevehicle.

NOTE

Ifthepressureineitherorboth circuitsfallsbelow65psi(448kPa), aredwarninglightinthegauge willturnonandanaudiblealarm tonewillsoundwhentheengineis running.

WARNING

Iftheairpressurefallsbelow60psi (414kPa),thespringbrakesmay stopthevehicleabruptlywhichcould causeanaccidentresultingindeath orpersonalinjury .Observethered warninglampsonthegauges.Ifone comeson,donotcontinuetodrive thevehicleuntilithasbeenproperly repairedorserviced.Ifthelightand alarmdonotturnoffatstart-up,do nottrytodrivethevehicleuntilthe problemisfoundandxed.

INSTRUMENTPANEL

WARNING

Theairpressurewarninglightand theaudiblealarmtoneindicate adangeroussituation:thereis notenoughairpressureintheair tanksforrepeatedbrakingandthe brakesystemhasfailed.Without theuseofyourservicebrakes yourspringbrakescouldsuddenly applycausingawheellock-up, lossofcontrol,orover-takeby followingvehicles.Thismaycause anaccidentresultingindeathor personalinjury .Bringthevehicleto asafestoprightaway,whileyoustill havecontrolofthevehicle.

3-13

INSTRUMENTPANEL

11.DieselExhaustFluid (DEF)

Thedieselexhaustuidgaugeshows theapproximateamountofDEFuid

intheDEFtank.Besidesemptyand full,thegaugealsoindicates1/4,1/2, and3/4oftotalcapacity.DEFuid isrequiredtomeetcertainemission requirements.DonotallowyourDEF tanktoremainempty .Pleasereferto youremissionsupplementalmanual formoredetailsaboutDEFuid.

CAUTION

UseDieselExhaustFluidonly. Failuretodosomaydamage componentsoftheDiesel ParticulateFilter(DPF).

13.TripReset

Theclustermountedtripresetbutton istheonlywaytozerotripdata.After togglingthetripODO(shortpushesto selectTripA,B,C,orD)tothedesired trip,HOLDthetripresetbutton,that resetsthedisplayedtripdata.

DriverPerformanceCenter

1Odometer/TripOdometer 2OutsideAirT emperature 3Clock 4ActiveWarnings 5CruiseControlIndicator 6AutomatedTransmission&

ShiftIndicatorArea 7Header 8MCSKnobCue 9MainContentWindow

INSTRUMENTPANEL

DriverPerformanceCenter Description

WARNING

DonotlookattheDriver PerformanceCenterforprolonged periodswhilethevehicleismoving. Onlyglanceatthemonitorbriey whiledriving.Failuretodoso canresultinthedrivernotbeing attentivetothevehicle’sroad positionorsituation,whichcould leadtoanaccidentandpossible death,personalinjuryorequipment damage.

TheDriverPerformanceCenter, locatedatthetopoftheinstrument cluster,displaysimportantvehicle informationthroughaconstant monitoringofsystemswhenanyofthe followingconditionsaremet:

•ignitionkeyinONorACCpositions

•ignitiontimerisactive

•MCSbuttonispushedorspun

(independentofignitionkeyswitch position)

•clockalarmsounds

•driverorpassengerdoorisopened

•hazardwarninglampswitchison

•Servicebrakeswitchison

•Tractormarkerlampswitchison

•Trailermarkerlampswitchison

•LowVoltageDisplaynotactive

•andthescreenhasnotbeenput

into"DisplayOffMode"

Inadditiontoablankscreen,the followingaremenuitemsandthe informationavailablewithineachmenu selections.

NOTE

SomeDriverPerformanceCenter functionsareonlyaccessiblewhen thevehicleisparked.Other functionsareaccessiblewhilethe vehicleismovingorwhenparked. Eachfunctionisidentiedinthe followingdescriptions.

3-15

INSTRUMENTPANEL

1.Odometer/TripOdometer

TheOdometer/TripMetercomeson whenthedoorisopenedandwhen theignitionkeyisintheACCorON position.

Theodometerdisplaysthedistance yourvehiclehastraveled.Thedisplay

canbeconguredtodisplayMetric unitsorEnglishunits.

Thecurrenttripodometerdisplayshow farthevehiclehasgoneonaparticular tripandcandisplayinincrementsofa tenthofaunit.

Toresetthetripodometer,pressand holdthebuttononthecluster.The numberswillresetto0andbeginto countnewmiles/kmtraveled.

Pressthetripbuttonontheinstrument clusteranytimeyouwishtoview theodometerreading,Pressthetrip

buttonagaintoscrollthroughtheother odometersavailableinthecluster.

2.OutsideAirTemperature

Usedtodisplayoutsideairtemperature informationandawarningoflow temperatures.

Thedisplaywillalsoalertthe driverwhentheoutsidetemperate approachesfreezing(32°For0°C) bydisplayingasnowakesymbol. Thesymbolwillturnonwhenthe temperaturedropsbelow34°For11° Candashfortherst3seconds, thenstayonuntilthetemperaturegoes above37°For28°C.

Thesystemsunitofmeasure (FahrenheitorCelsius)canbe changedbynavigatingtothesettings menu.

Theoutsideairtemperaturedisplay willcomeonwhenthedoorisopen andwhentheignitionkeyisintheACC orONpositionandturnoffwhenthe ignitionswitchisturnedoff.

INSTRUMENTPANEL

Theoutsideairtemperaturedisplay usesasensor(locatedatthebottom ofthedriver'ssidemirrorassembly) tomeasureoutsideairtemperature only.Itisnotcapableofdisplaying thetemperatureoftheroadsurface oneitherthetemperaturedisplayor thesnowakeicon.Additionally,the outsideairtemperaturereadingmay beaffectedbyexposuretodirect sunlight.

3.Clock

Theclockpresentseitherthehome timeorthelocaltimewhentheclockis set.Iftheclockisnotset,thewords "SETCLOCK"willappearwhenthe ignitionisturnedON.Iftheclockdoes notgetset,themessagewilldisappear andnotimewillbedisplayed.Thetime canbesetwhilethe"SETCLOCK" promptisshowingoritcanbesetby navigatingtothesettingsmenuviathe MenuControlSwitch.

Theclockwilldisplayeitherthelocal orthehometimeofday.

SettheHometimetothecurrent timeatthebaseofoperation.Set thelocaltimeaccordingtoatime zoneofdestination.Resetthelocal timeanytimethedestinationlocation changesandyouneedtousethis function.

PleaserefertoSettingsonpage3-27 toreadmoreabouthowtosetthe clock.

3-17

INSTRUMENTPANEL

4.ActiveWarnings

Activewarningswillappearinthis areainadditiontoareasaroundthe centerofthedisplay.ActiveWarnings arethosepop-upmessagesthathave comeuponthescreenand/orbeen suppressedwithanMCSbuttonpush. Iftherearewarningiconsactivewhile

inthecruisecontrolisenabled,icons willappearoneachsideofthecruise controlicon.Iftherearemultiple warnings,thedisplaywillshowhow manyareactive.Thenumbersmay changewithoutuserinteractionif individualwarningsareintermittent, timebased,selfcorrecting,orthe situationisrectied.

5.CruiseControlIndicator

Thisareaisusedtoprovidethe driverwithadedicatedlocationfor cruisecontrolsetspeedandifso equipped,adaptivecruisecontrolwith it’sfollowingdistanceinformation. Vehicleswithadaptivecruisecontrol willdisplaymanydifferenticonsin thisareatoalerttheoperatortotake specicactions.

NOTE

Iftherearesecondarytelltalesactive whilethecruisecontrolisenabled, iconswillappearoneachsideofthe cruisecontrolicon.

6.AutomatedTransmission &ShiftIndicatorArea

Thisareawillprovidetheoperatorwith feedbackfromthetransmission.The displaymayreectthetransmission gearbeingoperated,mayprovide ProgressiveShiftCues(forvehicles builtwithPACCARMXEngineswith ProgressiveShiftoption)orfault indicatorsspecicforthetransmission.

3-18

INSTRUMENTPANEL

7.Header

Thisareadisplaysthefunction categoryinwhichtheMCSknoband displaysoftwarearecurrentlyset. Dependingonthedisplayoperation, thetextcolormaychangetoindicatea userselection.

8.MCSKnobCue

Usedtoprovidethedriverwithscreen navigationfeedback.Cuesare providedregardingwhenausercan pushorspintheinputcontrol,shows iniconformatwhichfunctionisactive, andwhichfunctionwillcomeupnextif theknobisrotatedeitherclockwiseor counterclockwise.

9.MainContentArea

Thereare5functionsallowedwhen driving,and7whenthevehicleis parked.Somefunctionsareavailable inbothmodes,buthavedifferent contentavailabledependentonthe mode

3-19

INSTRUMENTPANEL

HowToNavigateThe FunctionsInTheDriver PerformanceCenter MenuControlSwitch(MCS)

TheMCSisusedtonavigatethe instrumentdisplay .Itcomprisesofa backbuttonandapushandspinknob. TheMenuControlSwitchislocatedon

therightsidepanel.

TheMCSknobcanperformtwo functions.Itcanselectandsetvalues whenspunandenteryoursettings whenpushed.

Theindicatorimageontheleftlets youknowwhethertospinorpushis available.Thebackbuttonisalways availableevenifthereisnoindicator imagebeingdisplayed.

Inadditiontothepromptsforspinand push,thisareawillshowthecurrent menuitemasalargericonandthe availablemenusbeforeandafteras smallericons.

TheMCSbuttonhasaBACKbutton locatedabovetheknob.Pressingthis

buttonwillgobacktotheprevious menu.

NOTE

Ifthebuttonisheldfor2seconds,it willturnoffthedisplayscreen.

Hereisalistoftheavailablemenu items:

•Blankscreen-Usethismenuitem

tominimizeinformationonthe screen.

3-20

INSTRUMENTPANEL

•Virtualgauges-Thismenuitem

providesdynamicinformationto theoperator.

•Ignitiontimer-Usethismenuto

setthetimetoidletheengineafter removingtheignitionkey.

•TripInformation-Usethis

informationtogettripsummary details.

•TruckInformation-Provides

informationaboutthevehicle.

•ActiveWarnings-Usethismenu

toviewvehiclefaultcodesand messages.

•Settings-Usethismenusto

changepreferences.

•FuelEconomy-Usethisdisplay

toviewthefueleconomy performanceofthevehicle. (availableindrivingmode)

Navigationofthesystemisorganized into3levelsoffunctions.Therstlevel oforganizationisidentiedas"Trunk" levelfunctions.Thesecondlevelis identiedas"Branch"levelfunctions. Thelowestleveloffunctionsare identiedasthe"Leaf"levelfunctions. Somescreenswillappeardifferently dependingifthevehicleismoving orparked.Thefollowingimages provideanexampleofascreentoget familiarizedwiththeinterface.

TrunkLevel

Atthislevel,youcannavigatebetween functionsbyturningtheMCSknob. Youcanenterafunctionbypushing theknob;atwhichyouwouldthenbe goingtowhatistermedthe“branch” levelofthesoftware.

Displayofatrunkleveloption

3-21

INSTRUMENTPANEL

BranchLevel

Inthebranchleveloffunctions, theMCSknobrotationcontrolsa cursorhighlight.Whensomethingis highlighted,anMCSPushwillselect thatitemortoggleitscontents.T oggle eldstypicallyuseadarkercolored

texttodistinguishthemfromeldsthat taketheusertothe“Leaflevel”.

Displayofabranchleveloption

LeafLevel

DescriptionofMenuScreens

Atthislevel,therearenomoreoptions tochoosefrom.TheMCScanbeused toscrollthroughvariousinformation andthebackbuttoncanbeusedto revertuptothebranch(1push)orthe trunk(2pushes)levelsofthesystem.

Displayofaleafleveloption

BlankScreen

Thisscreenisavailableinbothparked anddrivingmodes.

Theblankscreenmodeistoallow forminimizedscreencontent,while stillmaintainingsomeofthemore permanentscreenelementssuchas theodometer,outsideairtemperature, warningcue,etc.Thisisdifferent fromtheDisplayOFFModewherethe entiredisplayshutsoff.

INSTRUMENTPANEL

Theblankscreenmodeisselected throughtherotaryMCSknob.The DisplayOFFModeisselectedby pressingthebuttonabovetheMCS knobformorethan2seconds.

VirtualGauges

Thevirtualgaugesfunctionisselected throughtherotaryMCSknobandis availableinbothparkedanddriving modes.

Virtualgaugesprovidedynamic informationaboutthevehicle's performance.SpintheMCSbutton toscrollthroughtheavailablegauges andpushtoselectthedesiredgauge toview.

IgnitionTimer

Thisfunctionallowsthedrivertoseta timertoshutoffthetruck.Thisfeature isonlyavailablewhenthevehicle isparked.Afterthetimerisset,the ignitionkeymaybeturnedtotheoff positionandremoved.Theenginewill continuetorunfortheprogrammed time.

3-23

INSTRUMENTPANEL

FuelEconomy

Thisfunctiondisplaysthedynamicfuel economyperformanceofthevehicle. ItshowsAverageSpeed,Average FuelEconomy ,andadynamic instantaneousindicationoffuel economyaboveorbelowthecurrent average.Thescreenisavailable

whendriving.Averagefueleconomy iscomputedbythefuelconsumed duringthetrip(seethenextsectionfor Tripinformation).Thefueleconomy foratripwillberesetwhenthattrip odometerisreset.

TripInformation

Thisfunctionallowsyoutokeeptrip informationdataonupto4separate trips–labeledA,B,C,andD.Trips arealsoselectableas“Active”or “Inactive”soyoucanusethedata loggingfunctiontotreattripsseparate fromeachother,orassegmentsof acombinedtrip.Whendriving,the screenonlyallowsyoutotogglewhich tripisviewedinthetripodometerand settheactive/inactivestatus.When parkedyoucanselectandviewa varietyofdatacollectedforeachtrip, asseeninthelistbelow:

•TripEconomy

•TripAverageSpeed

•TripEngineHours

•TripFuelUsed

•TimeinCruiseControl(%)

•TimeinSweetspot(%)

•TimeinOverspeed(%)

•TripIdleHours

•TripIdlePercentage(%)

•TripIdleFuelUsed

•TripIdlePercentUsed(%)

•PTOTotalHours

•PTOTripHours

•PTOTripPercentage(%)

•PTOT otalFuelUsed

INSTRUMENTPANEL

•PTOTripFuelUsed

•PTOTripEconomy

Theclustermountedtripresetbutton isusedtozeroandclearaccumulated tripdata.Shortpressestoggle betweentheodometerview,andthe 4trips.Holdingthebuttonwhenona particulartripwillzerothestoreddata andalsoautomaticallysetthecleared tripto“active”status.

UsingtheMCSknobwhileinthis screenwillonlyactivateordeactivate atripfunction.

NOTE

PTOoptionsinthedisplaywillonly beshownifthevehicleisequipped withaPTO.

TruckInformation

NOTE

Onlyavailabletruckinformation willbeshown(i.e.,manual transmissionsdonothavea softwareversion).

Thisinformationisavailablewhenthe vehicleisparked.

1.ChassisInformation

a.ChassisNumber

b.FleetID

c.CECUSoftwareVersion#

2.EngineInformation

a.EngineMake

b.EngineModel

c.EngineSoftwareVersion

d.GovernedSpeedLimit

e.EnginePower

3.TransmissionInformation

a.TransmissionMake

b.TransmissionModel

c.TransmissionSoftware

Version#

4.ABSInformation

a.ABSMake

b.ABSModel

c.ABSSoftwareVersion#

3-25

INSTRUMENTPANEL

WarningandFaults

Thedisplayhasamessagealerting functionthatoverridesthenormal viewingandnavigationoffunctions whenanissueoccursonthetruck. Thesealertmessagesarecalled “pop-ups”becausetheytakeover thescreen.Somemessagesare lowenoughprioritythattheycan be“suppressed”,whichisdoneby pushingtheMCSbutton.Therewill beascreenindicatorshowingwhich messagesaresuppressible.Ifmultiple pop-upsarepresentatthesametime, theyareviewedinastackformat,and

aspinoftheMCSknobwillallowyou toseethedifferentwarnings.The highestprioritywarningdefaultstothe topofthestack.

Whenthevehicleisparked,the “WarningsandFaults”functionwill accesssuppressedpop-upsthatare countedandpresentedintheupper leftcornerofthescreen.

Byselecting“ReviewWarnings”the pop-upmessagesarerecalled,and ifmultipleareactive,thestackcan benavigatedbyspinningtheMCS knob.Thewarningdescriptioncanbe viewedwhendrivingorwhenparked

butthefaultdetailsarevisibleonly whenparked.Themenuselection shownintheimageabovesimplywon’t bethereifthetruckisdriving,though thewarningsandtell-taleindicators ontheclusterwillstillbeavailableas indicatorsiftheproblemisserious. Faultdetailsscreensinclude:

1.howmanyfaults,shownina scrollablestackformat

2.whichECUthefaultisbeing generatedfrom

3.atextdescriptionoftheissue

4.it’sactualfaultcode

5.actioninstructionstellingyouwhat todo(i.e.seekservicesoonvs. correctatnextscheduledservice visit)

INSTRUMENTPANEL

AnexampleofaFaultDetailsscreen isshownbelow:

FaultDetailsExample

Settings

Thisfunctionisavailableonlywhen thevehicleisparked.

Varioussettingsmaybechanged usingthisfunction.Theoperatorcan changethetimeformat(12hr/24hr), thetimeofdayandalarmsettings, unitsofmeasureforthedisplay (mile/kilometer)andthelanguage beingdisplayed.Changingsettings functionsaretypicallydoneoneoftwo ways.Itemscanbetoggledstraight fromthehighlightedselection(atthe branchlevel);thesecasesusedark bluetextthatchangestothesetvalue. Othersaremenuselectionsthatbring upnew“leaflevel”screens.The followingshowsexamplesofturning thealarmon/offvs.screensthatare navigatedtoinordertosettheclock time.

ToTurnAlarmON/OFF:

1.WhenintheSettingsMenu,scroll throughthelistofmenuitemsto “Alarm”.PresstheMCS.

2.PresstheMCStoturnthealarm ONorOFF .

ToSetClockDisplayFormat:

1.WhenintheSettingsMenu,scroll throughthelistofmenuitemsto “Format”.

2.PresstheMCStodisplayeither12 hour(AM/PM)or24hour(military) time.

3-27

INSTRUMENTPANEL

ToSetHome,LocalorAlarm Time:

1.WhenintheSettingsMenu,scroll throughthelistofmenuitems.

2.PresstheMCStoselecttheitem tochange.

3.RotatetheMCSknobtochange thehour.PresstheMCS.

4.RotatetheMCSknobtochange theminutes.PresstheMCS.

5.RotatetheMCStotoggleAM/PM. PresstheMCS.

6.PressthebuttonabovetheMCS toExit.

DisplayMode

Thedisplayoffmodeisavailableat anytimeinmenunavigation,butthe screenminimizemodecanonlybe donewhenonthisscreen.

NOTE

Therearetimeswhenthe“Display Off”modeisnotallowedor over-riddenbythesystem,for exampleifa“pop-up”message appears,thescreenwillturnback on,orifthetruckisequippedwithan adaptivecruisecontrolsystem,the screencannotbeturnedoffwhenit isactive.

3-28

WARNINGSYMBOLS

GuidetotheWarning Symbols

Thewarninglightsandaudiblealarm mayindicateasystemmalfunction. Checkthelightsfrequently,and respondproperlyassoonasyousee onegoon.Theselightscouldsave youfromaseriousaccident.

Whenmultiplewarningiconsare shownontheinstrumentcluster, theywillappearatrstandthen minimize.Whenminimizedthey willberepresentedintheactive warningsareaofthedisplay(see

DriverPerformanceCenteronpage 3-14fordetails).Atrianglerepresents

awarningregisteredandadiamond representsacheckmessage.

WARNING

Donotignoreawarninglightor audiblealarm.Thesesignalstell yousomethingiswrongwithyour vehicle.Itcouldbeafailurein animportantsystem,suchasthe brakes,whichcouldleadtoan accidentcausingdeathorinjury. Havetheappropriatesystem checkedimmediately .

Checkmessagesareprovidedtogive theoperatoradditionalinformation regardingsystemsthatrequire attentionduetoasystemmalfunction and/oroperatingconditionsthatmay hindersafeandproperperformance forthevehicle.Thesystemwillemit achimetoalerttheoperatorthata messageisappearingonthecluster. Somemessagescanbemanagedby theoperatorwhileothersmayrequire anauthorizeddealerrepair .

ThefollowingisalistofWarning Light/IndicatorSymbolsthatappear intheinstrumentclusterandDriver PerformanceCenter.

•theSymbolName

•theappearanceoftheSymbol

•theSymbolColorwhenitis

illuminated

•whetherthesymbolisstandard

(Std)oroptional(Opt)

•whetherthesymbolhasan

associatedcheckmessage

•thePageNumberreferencefor

additionalinformation

Symbolsarelistedbymajorcomponent sections.

Example:Engine,andthenin alphabeticalorder.

WARNINGSYMBOLS

WarningLight/IndicatorSymbols

SymbolNameSymbolColorStd/Opt

1.Axle,TractionControl

2.Brakes,Anti-LockBrakeSystem(ABS)

3.Brakes,LowAirRed

4.Brake,ParkBrakeRed

5.Brake,ServiceBrakes

3-30

MsgPage

Yellow

Red

OPT

STD

OPT

onpage3-37

onpage2-3

onpage3-38

WARNINGSYMBOLS

SymbolNameSymbolColorStd/Opt

6.Brakes,TrailerAnti-LockBrakeSystem(ABS)

7.Differential,InterAxleDiffLock

8.DumpTruck,BodyUpRed

9.DumpT ruck,Gate

10.DumpTruck,TrailerBodyUpRed

11.Emissions,DieselParticulateFilter(DPF)

MsgPage

Yellow

STD

OPT

onpage3-38

onpage3-60.

OPT

Yellow

OPT

STD

onpage3-39

3-31

WARNINGSYMBOLS

SymbolNameSymbolColorStd/Opt

12.Emissions,HighExhaustSystemT emperature(HEST)

13.Emissions,MalfunctionIndicatorLamp(MIL)

14.Engine,CheckEngine

15.Engine,EtherStartGreenOPT

16.Engine,EngineFan

17.Engine,HeaterYellow

Yellow

GreenSTD

MsgPage

STD

OPT

onpage3-39

onpage3-40

3-32

Kenworth T680 Operators Manual Kenworth T680 Operators Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

INTRODUCTION

AboutThisManual

SafetyAlerts

VehicleSafety

CABANDFRAMEACCESS

Safety

RemoteKeylessEntry(RKE)

ClimbingOntotheDeck Plate

GETTINGTOYOURENGINE

HoodHoldDowns

HoodTilt

HoodHold-OpenDevice

SEATSANDRESTRAINTS

Introduction

SafetyRestraintBelts

TetherBelts

Komfort-Lok®Feature

DuringPregnancy

BeltDamageandRepair

SleeperBunksand Restraints

SafetyRestraintTips

START-UP

Introduction

SafeVehicleOperation

VehicleLoading

EmergencyEquipment

Driver'sCheckList

WHATTODOIF...

YouNeedRoadside Assistance

LowAirAlarmTurnsOn

StopEngineLampTurnsOn

EngineOilPressureLamp TurnsOn

EngineisOverheating

FuseorRelayBlows

JUMPSTARTINGVEHICLES

Introduction

VEHICLERECOVERYANDSPRINGBRAKES

VehicleRecoveryGuidelines

ReturningVehicletoService

SpringBrakes—Manual Release

Sand,Mud,SnowandIce

TowingtheVehicle

INSTRUMENTPANEL

GettingToKnowYour InstrumentPanel

InstrumentCluster

DriverPerformanceCenter

DriverPerformanceCenter Description

WARNINGSYMBOLS

GuidetotheWarning Symbols