PACCAR MX Operator's Manual

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Contents

Safety

Emergency

Controls

Driving

Maintenance

Information

Index

Contents

Thismanualillustratesanddescribestheoperationoffeaturesorequipmentwhichmaybeeitherstandardoroptionalon thisvehicle.Thismanualmayalsoincludeadescriptionoffeaturesandequipmentwhicharenolongeravailableorwere notorderedonthisvehicle.Pleasedisregardanyillustrationsordescriptionsrelatingtofeaturesorequipmentwhichare notonthisvehicle.

PACCARreservestherighttodiscontinue,changespecications,orchangethedesignofitsvehiclesatanytimewithout noticeandwithoutincurringanyobligation.

TheinformationcontainedinthismanualisproprietarytoPACCAR.Reproduction,inwholeorinpart,byanymeansisstrictly prohibitedwithoutpriorwrittenauthorizationfromP ACCARInc.

Safety

Introduction

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

Foreword...............1-5

ImportantReferenceNumber.......1-6

Illustrations...............1-7

GeneralSafetyInstructions........1-7

1-1

Introduction

SafetyAlerts

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

WARNING

WARNING:

Thesafetyalertfollowingthissymbol andsignalwordprovidesawarning againstoperatingprocedureswhich couldcausedeathorinjury .Theycould alsocauseequipmentorproperty damage.Thealertwillidentifythe hazard,howtoavoidit,andthe probableconsequenceofnotavoiding thehazard.

Example:

WARNING:Donotcarry additionalfuelcontainersin yourvehicle.Fuelcontainers, eitherfullorempty,mayleak, explode,andcauseorfeeda re.Donotcarryextrafuel containers.Evenemptyones aredangerous.Failureto complymayresultindeath,

personalinjury,equipmentor propertydamage.

Introduction

CAUTION

CAUTION:

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

Example:

CAUTION:Continuingto operateyourvehiclewith insufcientoilpressure willcauseseriousengine damage.Failuretocomply mayresultinequipmentor propertydamage.

NOTE

NOTE:

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

Example:

NOTE:Pumpingtheaccelerator willnotassistinstartingthe engine.

1-4

Introduction

Foreword

Thismanualcontainsinformationfor thecorrectoperationandmaintenance ofyourPACCARengine.Readand followallsafetyinstructions.Refer totheWARNINGinthe“General SafetyInstructions”beginningon

page1-7.Keepthismanualwith

theequipment.Iftheequipmentis tradedorsold,givethemanualto thenewowner.Theinformation, specications,andrecommended maintenanceguidelinesinthismanual arebasedoninformationineffect atthetimeofprinting.PACCAR reservestherighttomakechanges atanytimewithoutobligation.Ifyou nddifferencesbetweenyourengine andtheinformationinthismanual, contactyourlocalPACCARAuthorized RepairLocationorwritetoPACCAR c/oP ACCAREngines,POBox1518, Bellevue,WA98009.Thelatest technologyandthehighestquality componentswereusedtoproducethis

engine.Whenreplacementpartsare needed,werecommendusingonly genuinepartsfromPACCAR.

1-5

Introduction

ImportantReference

Number

Fillinthepartnameandnumberintheblankspacesprovidedbelow .Thiswillgiveyouareferencewheneverserviceormaintenanceisrequired.

PartNameNumber

EngineModel

EngineSerialNumber(ESN)

OilType(UseAPICJ-4oilonly)

FilterPartNumbers:

AirCleanerElement

LubricatingOil

Fuel(Useultra-lowsulfurdieselfuelonly)

Coolant

BeltPartNumbers:

1-6

Introduction

Illustrations

GeneralInformation

Someoftheillustrationsthroughout thismanualaregenericandwillnot lookexactlyliketheengineorparts usedinyourapplication.

Theillustrationsareintendedtoshow repairorreplacementprocedures. Theprocedurewillbethesameforall applications,althoughtheillustration candiffer.

GeneralSafetyInstructions

ImportantSafetyNotice

WARNING:Improper practices,carelessness, orignoringanywarnings maycausedeath,personal injury,equipmentorproperty damage.

Beforeperforminganyrepair,readand understandallofthesafetyprecautions andwarnings.Thefollowingisalistof generalsafetyprecautionsthatmust befollowedtoprovidepersonalsafety . Failuretofollowtheseinstructions maycausedeathorinjury.Special safetyprecautionsareincludedinthe procedureswhentheyapply.

•Usethepropertoolformanually

rotatingtheengine.Donotattempt torotatethecrankshaftbypulling orpryingonthefan.Thispractice cancausedeath,personalinjury, equipmentdamage,ordamageto

thefanblades,causingpremature fanfailure.

•Workareasshouldbedry,welllit,

ventilated,freefromclutter,loose tools,parts,ignitionsourcesand hazardoussubstances.

•Wearprotectiveglassesand

protectiveshoeswhenworking.

•Donotwearloose-ttingortorn

clothing.Removealljewelrywhen working.

•Beforebeginninganyrepair,

disconnectthebattery(negative [-]cable)anddischargeany capacitors.

•Puta"DONOTOPERATE"tagin

theoperator’scompartmentoron thecontrols.

•Allowtheenginetocoolbefore

slowlylooseningthecoolantller captorelievethepressurefrom thecoolingsystem.

Introduction

•Alwaysuseblocksorproper

standstosupportthevehicle orvehiclecomponentsbefore performinganyservicework. Donotworkonanythingthatis supportedonlybyliftingjacksor ahoist.

•Beforeremovingordisconnecting

anylines,ttings,orrelateditems, relieveallpressureintheair,oil, fuel,andcoolingsystems.Remain alertforpossiblepressurewhen disconnectinganydevicefroma systemthatcontainspressure. Highpressureoilorfuelcancause deathorpersonalinjury .

•Alwayswearprotectiveclothing

whenworkingonanyrefrigerant (Freon)linesandmakesurethat theworkplaceisinawellventilated area.Inhalationoffumescan causedeathorpersonalinjury. Toprotecttheenvironment, liquidrefrigerantsystemsmust beproperlyemptiedandlled

usingequipmentthatprevents thereleaseofrefrigerantgas. Federallawrequirescapturing andrecyclingrefrigerant.

•Whenmovingorliftinganyheavy

equipmentorparts,makesure tousepropertechniquesand assistance.Ensurealllifting devicessuchaschains,hooks,or slingsareingoodconditionand areofthecorrectloadcapacity. Makesureanyliftingdevicesare positionedcorrectly .

•Corrosioninhibitorsandlubricating

oilsmaycontainalkali.Donotget thesubstanceineyesandavoid prolongedorrepeatedcontact withskin.Donotswallow.In caseofcontact,immediatelywash skinwithsoapandwater.Incase ofharmfulcontact,immediately contactaphysician.Alwayskeep anychemicalsOUTOFREACH OFCHILDREN.

•NapthaandMethylEthylKetone

(MEK)areammablematerials andmustbeusedwithcaution. Followthemanufacturer’s instructionstoensuresafetywhen usingthesematerials.Always keepanychemicalsOUTOF REACHOFCHILDREN.

•Whenworkingonthevehicle,

bealertforhotpartsonsystems thathavejustbeenturnedoff, exhaustgasow,andhotuidsin lines,tubes,andcompartments. Contactwithanyhotsurfacemay causeburns.

•Alwaysusetoolsthatareingood

condition.Makesureyouhave theproperunderstandingofhow tousethetoolsbeforeperforming anyservicework.Useonly genuinereplacementpartsfrom PACCAR.

Introduction

•Alwaysusethesamefastener

partnumber(orequivalent)when replacingitems.Donotuse afasteneroflesserqualityif replacementsarenecessary.

•Donotperformanyrepairwhen

impaired,tired,fatiguedorafter consumingalcoholordrugsthat canimpairyourfunctioning.

•Somestateandfederalagencies

intheUnitedStatesofAmerica havedeterminedthatusedengine oilcanbecarcinogenicandcan causereproductivetoxicity.Avoid inhalationofvapors,ingestion, andprolongedcontactwithused engineoil.

•Coolantistoxic.Ifnotreused,

disposeofcoolantinaccordance withlocalenvironmental regulations.

•CaliforniaProposition65Warning

-Dieselengineexhaustandsome ofitsconstituentsareknownto theStateofCaliforniatocause cancer,birthdefects,andother reproductiveharm.

•Thecatalystsubstratelocated

intheDieselParticulateFilter containsVanadiumPentoxide. VanadiumPentoxidehasbeen determinedbytheStateof Californiatocausecancer.Always wearprotectiveclothingandeye protectionwhenhandlingthe catalystassembly.Disposeofthe catalystinaccordancewithlocal regulations.Ifcatalystmaterial getsintotheeyes,immediately oodeyeswithwaterfora minimumof15minutes.Avoid prolongedcontactwithskin.In caseofcontact,immediatelywash skinwithsoapandwater.Incase ofharmfulcontact,immediately contactaphysician.

CAUTION:Corrosive chemicalscandamage theengine.Donotuse corrosivechemicalsonthe engine.Failuretocomply mayresultinequipmentor propertydamage.

1-9

WHATTODOIF...

YouNeedRoadsideAssistance......2-3

StopEngineLampTurnsOn.......2-3

EngineOilPressureLampTurnsOn....2-4

CheckEngineLampTurnsOn......2-5

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

EMERGENCY

2-1

WHATTODOIF...

WHATTODOIF ...

YouNeedRoadside Assistance

Calltoll-FREEtotalktosomeoneat theP ACCARCustomerCenter.The toll-FREEtelephonenumberislocated onthewindshielddecal.

•Open24-7-365daysayear

•Theycanhelpyougetroadside

assistance.

•Theyhaveacustommapping

systemwhichlocatesauthorized PACCARenginedealersand IndependentServiceProviders (ISPs)nearyouandliststypes ofservicesoffered,hoursof operationandcontactinformation.

•Theycanassistwithjumpand

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

mechanicalrepairsandpreventive maintenanceservices.

•Theyhavemultilingualagentsand

accesstoatranslationservice toensurequalityassistance forcustomerswhospeakany language.

•Theycan’tansweryourwarranty

questionsbutcangetyouin contactwithanauthorizeddealer whocan.

•ThePACCARCustomerCenter

serviceisFREE.

StopEngineLampTurnsOn

StopEngineLamp-Ifthe

StopEnginewarninglamp illuminates,itmeansyou haveaseriousenginesystem problem.

WARNING:Thisshouldbe consideredanemergency. Youshouldstopthevehicle assafelyaspossibleand turnOFFtheignition.The vehiclemustbeservicedand theproblemcorrectedbefore drivingagain.Failuretodo somayresultinpersonal injury,severeenginedamage, equipmentorproperty damage.

WHATTODOIF...

EngineOilPressureLamp TurnsOn

CAUTION:Continuingto operateyourvehiclewith insufcientoilpressuremay causesevereenginedamage, equipmentorproperty damage.

•Iftheoilpressurefailsto

•SeeLubricatingOil

EngineOilPressureGauge

-Itisimportanttomaintain oilpressurewithinacceptable limits.Ifoilpressuredrops belowtheminimumpsia RedWarningLampontheoil pressuregaugeandtheStop EngineLampwillcomeON.

risewithin10seconds aftertheenginestarts, stoptheengineand determinethecause.

Systemonpage5-1 1,for

thecorrectoilpressure rangesforyourvehicle’s engine.

•Iftheoilpressure suddenlydrops,orthe audiblealarmandengine oilpressurewarninglight comeonwhiledriving,do thefollowing:

1.Slowdowncarefully.

2.Moveasafedistanceoff theroadandstop.

3.Placethetransmission inneutralandsetthe parkingbrake.(See ParkingBrakeValve andOPERATINGTHE TRANSMISSIONin yourvehicleOperator’s Manual,fortransmission shiftingandparkingbrake information.)

4.TurnOFFtheengine.

5.TurnONtheemergency asheranduseother warningdevicestoalert othermotorists.

6.Waitafewminutesto allowoiltodrainintothe engineoilpan,andthen checktheoillevel.(See InspectionoftheEngine OilLevelonpage5-4.)

7.Addoilifnecessary.Ifthe problempersists,contact anauthorizedP ACCAR enginedealerassoonas possible.

WHATTODOIF...

CheckEngineLampTurns On

CheckEngineLamp-Turns

onwhenaproblemexists,but thevehiclecanstillbesafely driven.Vehicleshouldbe servicedtocorrecttheproblem butthesituationshouldnotbe consideredanemergency.

EngineisOverheating

CAUTION:Thecooling systemmayoverheatifthe enginecoolantisatthe minimumlevel.Asudden lossofcoolant,causedby asplithoseorbrokenhose clampcouldalsoleadtoan overheatcondition.Always inspecttoensurehosesand clampsarenotcracked,worn, orloose.Failuretocomply mayresultinequipmentor propertydamage.

NOTE:Thesystemmayalso temporarilyoverheatduring severeoperatingconditions suchas:

•Climbingahillonahotday.

•Stoppingafter high-speed/high-load driving.

•Debrisblockingairow throughthecoolingmodule (radiator).

NOTE:Iftheenginecoolant temperaturewarninglamp comesonandtheaudiblealarm soundsshowinganoverheat condition,orifyouhaveany otherreasontosuspectthe enginemaybeoverheating, DONOTTURNOFFTHE ENGINEunlessalowwater warningdeviceindicatesaloss ofcoolant.Followthesesteps:

•Reduceenginespeedor stop.Whenstopped,place thetransmissioninneutral andsettheparkingbrake. Seethevehicleoperator’s manualforinstructionson transmissionshiftingand parkingbrakeinformation.

WHATTODOIF...

•Checktoensurethatthe oilpressuregaugereads normal.

•Increasetheenginespeed

to1,100to1,200rpm maximumfor2-3minutes.

•Monitortheengine temperature.Afterthe temperaturereturnsto normal,allowtheengine toidle3–5minutesbefore shuttingitoff.Thisallows theenginetocoolgradually anduniformly .

•Iftheoverheatingcame fromsevereoperating conditions,thetemperature shouldhavecooledbythis time.

•Checkthecoolantlevelat thecoolingmodulesurge tank.

WARNING:Toreduce thechanceofpersonal injuryand/orvehicle damagecausedbyengine overheating,neverleave theengineidlingwhenthe vehicleisunattended.Ifthe engineoverheats,immediate actionisrequiredtocorrect thecondition.Continued unattendedoperationofthe engine,evenforashorttime, mayresultinseriousengine damageorare.Failureto complymayresultindeath, personalinjury,equipmentor propertydamage.

WARNING:Removingthe surgetankllcapwhile theengineishotcanbe dangerous.Neverremove thesurgetankcapwhilethe engineisstillhot;youcould bebadlyburned.Failureto complymayresultindeath,

personalinjury,equipmentor propertydamage.

•Scaldingsteamanduid underpressuremay escapeandcauseserious personalinjuries.

•Waituntilthecoolant temperatureisbelow 122°F(50°C).

•Protectyourface,hands, andarmsbycoveringthe capwithalarge,thick ragtoprotectagainst escapinguidandsteam.

•Carefullyandslowly turnthecaponeturnto allowexcesspressureto escape,thenpushdown andturnfornalremoval. Seethevehicleoperator’s manualforinstructions oncheckingandlling thecoolingmodulesurge tank.

WHATTODOIF...

CAUTION:Donotallow yourenginetoidle,atlow RPMs(400–600rpm),longer than5minutes.Prolonged periodsofidlingafterthe enginehasreachedoperating temperaturescandecrease enginetemperatureandcould causeenginedamagefrom inadequatelubrication.The normaltorsionalvibrations generatedcanalsocause transmissionwear.Anidle shutdownfeature,available onPACCARengines,can beprogrammedtoshut theenginedownaftera periodoflowidleoperation withnodriveractivity.A ashingwarninglampwill informthedriverofan impendingshutdown.If thetruckisequippedwith PTOequipment,theengine shutdownsystemcanbe deactivatedwhenthePTOis

operational;however ,engine idleperiodsshouldnot exceed5minuteswhenever possible.Failuretocomply mayresultinequipmentor propertydamage.

2-7

Controls

OperatingInstructions

EngineWarningLamps.........3-3

EngineOperatingRange.........3-6

EngineBrakingSystem.........3-6

3-1

OperatingInstructions

EngineWarningLamps

GeneralInformation

Thefollowingenginewarninglamps coveronlythelampscontrolledbythe engine’sElectronicControlModule (ECM).Pleaserefertothevehicle operator’smanualforadditional warninglampinformation.

CheckEngineLamp

Thecheckenginewarninglampwill illuminatewhenaproblemexists, butthevehiclecanstillbesafely driven.Thevehicleshouldbeserviced tocorrecttheproblem,butthe situationshouldnotbeconsideredan emergency.

Thelampwillalsoilluminatewhena DPFregenerationoradditionofDiesel ExhaustFluidisrequired.Another functionofthecheckenginelampisto warntheoperatorofanimpendingidle shutdown.Whentheidleshutdown timeris30secondsfromexpiring,the engineECMbeginsashingthecheck enginewarninglamponcepersecond. Whenthetimerexpires,theECMwill

turnoffthewarninglampandshut downtheengine.

OperatingInstructions

StopEngineLamp

Thestopenginewarninglampwill

illuminate,andanaudibletonewill sound,whenamajorengineproblem exists.

WARNING:Thisshouldbe consideredanemergency. Youshouldstopthevehicle assafelyaspossibleand turnOFFtheignition.The vehiclemustbeserviced andtheproblemcorrected beforedrivingagain.Failure tocomplymayresultin personalinjury,severe enginedamage,equipmentor propertydamage.

Forengineswiththeengineprotection shutdownfeatureenabled,the stopenginelampwillbeginto ash30secondsbeforetheengine automaticallyshutsdown.The warninglampalertstheoperatortothe impendingshutdown.

Thelampwillalsoilluminatewhen theDieselExhaustFluid(DEF)tank isalmostemptyorthesootlevelin theDPFisatfullcapacity .Atthis levelwarning,regenerationcannotbe performedandenginepowerwillbe derated.

DieselParticulateFilter(DPF) WarningLamp

DPFWarningLamp

RefertoEngineAftertreatment SystemsOperator’sManualfor additionalinformation.

OperatingInstructions

HighExhaustSystemT emperature (HEST)WarningLamp

HESTWarningLamp

RefertoEngineAftertreatment SystemsOperator’sManualfor additionalinformation.

CheckEngineLamp(CEL)

CheckEngineLamp

RefertoEngineAftertreatment SystemsOperator’sManualfor additionalinformation.

DieselEmissionFluid(DEF)Lamp

RefertoEngineAftertreatment SystemsOperator’sManualfor additionalinformation.

OperatingInstructions

EngineOperatingRange

GeneralInformation

CAUTION:Operatingthe engineatfullthrottlebelow peaktorquewillshorten enginelifetooverhaul, cancauseseriousengine

damage,andisconsidered engineabuse.Donot operatetheengineatfull throttleoperationbelowpeak torquerpmformorethan30 seconds.Failuretocomply mayresultinequipmentor propertydamage.

PACCARenginesaredesignedto operateatfullthrottleundermomentary conditionsdowntopeaktorqueengine speed.Thisisconsistentwith recommendedoperatingpractices.

CAUTION:Operatingthe enginebeyondthemaximum enginespeedcancause severeenginedamage.Use properoperatingtechniques forthevehicletoprevent engineoverspeed.The maximumenginespeed specicationislisted inthe“GeneralEngine Specications”onpage5-10. Failuretocomplymayresult inequipmentorproperty damage.

EngineBrakingSystem

WARNING:Donotoperate theenginecompression brakewhendriving/operating yourvehiclebobtailorwith aloadedorunloadedtrailer onroadsurfaceswithpoor traction(wet,icy,orsnow coveredroads)orinheavy trafc.Brakingcausedby thenormaloperationof theenginecompression brakecouldcauseyouto losecontrolofthevehicle resultinginaninjuryaccident. Failuretocomplymayresult indeath,personalinjury, equipmentorproperty damage.

WARNING:Theservice brakesmustbeusedinan emergency.Theengine compressionbrakealone mightnotstopthevehicle

OperatingInstructions

fastenoughtoprevent anaccident.Theengine compressionbrakeisNOT intendedastheprimarybrake forthevehicle,norisitan emergencybrake.Theengine compressionbrakeonly helpstheservicebrakesby usingenginebackpressure toslowthedrivetrain.Use theservicebrakesforquick stops.Youcouldbeseriously injuredifyoureliedonly ontheenginecompression braketostopthevehicleinan emergency.Failuretocomply mayresultindeath,personal injury,equipmentorproperty damage.

WARNING:Donotuse thecompressionbrake whenoperatingonroad surfaceswithpoortraction (suchaswet,icy,orsnow coveredroadsorgravel).

Compressionbrakescan causethewheelstoskidon aslipperysurface.Youcould losecontrolofthevehicle and/orjackknifeifthewheels begintoskid,resultinginan accident.Failuretocomply mayresultindeath,personal injury,equipmentorproperty damage.

NOTE:Ifyourvehicleis equippedwithanti-lock brakes(ABS),operationof thecompressionbrake(ifturned ON)maybeinterruptedifthe ABSsystemdetectswheelslip duetooperationonslippery surfaces.

Anenginecompressionbrakeis standardonthePACCARMX engine.Whenactivated,theengine compressionbrakecreatesabraking effectonthedrivewheels.This deviceusesenginepowertoslow

thevehicledown.Becauseitcan helpkeepyourvehicle’sbrakesfrom overheating,itcansavewearandtear ontheservicebrakes.However,the enginecompressionbrakeisnotan emergencybrake.

Ideally(onnormalroadsurfaces), youshouldslowyourvehiclewiththe compressionbrake(wherepermitted bylaw)andusetheservicebrakesonly forstoppingcompletely.Operatingthis waywillgreatlyprolongthelifeofthe servicebrakes.

OperatingInstructions

CompressionBrake

Withthecompressionbrakeswitch ON,thebrakeautomaticallycreatesits brakingeffectwhenyouremoveyour footfromtheacceleratorpedal.

Thebrakeswitchislocatedonthe accessorydashpanel.Itcontrols

whetherthebrakeisON(readytoslow thevehicledown)orOFF(nobraking action).

•Donotusetheengine

compressionbraketoslow thevehicledownwhenyouare bobtailingorpullinganempty trailer.

•MakesurethebrakeisOFFbefore

startingtheengine.

•Aftertheengineisstarted,warmed

up,andyouarereadytogetunder way,turntheenginecompression brakeswitchONforaddedbraking effect.

NOTE:Ifyourvehicleis equippedwiththeEaton Vorad®system,operationof thecompressionbrakemaybe automaticallyactivated.

CompressionBrakeControls

Two(2)switchesonthedashpanel controltheenginecompressionbrake. AmasterswitchturnsthesystemON orOFF .Asecondswitch,located nexttothemasterswitch,controls thebrakingeffect.Thisswitchallows youtochooseprogressivelystronger brakingtoslowthevehicledown.

Enginecompressionbrakecontrols include:

•On/Offswitch.

•3-positionselectorswitch.

•Clutchswitch.

•Throttlesensor.

•Servicebrakepressureswitch.

•EatonVorad®Anti-LockBraking

System

Engagingconditionsfortheengine compressionbrakeare:

OperatingInstructions

•Enginespeedmustbeabove

1,000rpm.

•Coolanttemperaturemustbe

above59°F(15°C).

Deactivationconditionsfortheengine compressionbrakeare:

•Acceleratorpedalisdepressed.

•Clutchpedalisdepressed.

•Enginespeedfallsbelow800rpm.

•ABScontrolisactive.

•EngineECMrecognizesasystem

problem.

CAUTION:Operatingthe enginewithacompression brakethatwillnot automaticallydeactivate (i.e.whenthedashswitchis off,clutchpedalisdepressed orthrottleisapplied)will causesevereinternalengine damage.Donotoperatethe

engineifthecompression brakewillnotdeactivate. Failuretocomplymayresult inequipmentorproperty damage.

OperatingInstructions

EngineCompressionBrakeLevel SwitchOperation

Thereare2switchesthatcontrolyour vehicle’senginecompressionbrake. Oneswitchturnsthesystemon/offand thesecondswitchcontrolsthebraking level.Theseswitchesarelocatedon thedashswitchpanel.

Forthe3-positionenginecompression brakelevelswitch,therewillbe100% enginebrakingwhentheswitchisin theup(HIGH)position.Inthemiddle (MEDIUM)position,therewillbe66% enginebraking.Inthedown(LOW) positiontherewillbe33%engine braking.

Withthecompressionbrakeswitch ON,thecompressionbrakewillbe engagedwhentheservicebrakeis applied.

Ifthecruisecontrolisoperatedin conjunctionwiththecompression brake,thecompressionbrakewill

engagetomaintainthecruiseset speed.

On/OffSwitchSymbol

CompressionBrakeLevelSwitch Symbol

3-10

Driving

OperatingInstructions

GeneralInformation...........4-3

NormalStartingProcedure........4-4

ColdWeatherStarting..........4-5

StartingProcedureAfterExtended

ShutdownorOilChange........4-5

OperatingtheEngine..........4-6

EngineShutdown............4-6

ElectromagneticInterference(EMI)....4-6

4-1

OperatingInstructions

GeneralInformation

Correctcareofyourenginewillresult inlongerlife,betterperformance,and moreeconomicaloperation.

Followthedailymaintenancechecks listedin“MaintenanceSchedule”on

page5-4.

Checktheengineoilpressureand enginecoolantgauges,warninglights, andothergaugesdailytomakesure theyareoperational.

WARNING:Combustible vaporsneartheairintake systemcouldbeingested intotheengine,causing theenginetosuddenly accelerateandoverspeed. Thisconditioncouldresult inoperatorlosingcontrolof thevehicleifanunexpected

increaseinenginerpm occurs.Combustiblevapors couldalsocauseare.Do notoperateyourvehiclein anareawherecombustible chemicalsorvaporsmaybe present.Failuretocomply mayresultindeath,personal injury,equipmentorproperty damage.

ITISTHERESPONSIBILITYOF THEOWNERANDOPERATORTO OPERATETHEVEHICLEINASAFE ENVIRONMENT.

OperatingInstructions

NormalStartingProcedure

Starting

EnsuretheparkingbrakeissetON andthetransmissionshiftleverisin neutral.Forautomatictransmissions thathaveparkposition,placetheshift leverinpark.

Withtheacceleratorpedalintheidle position,turntheignitionkeytothe STARTposition.

NOTE:Releasethekeyafter10 secondsiftheenginedoesnot start.Thenwait10secondsand tryagain.

NOTE:Iftheengineisrunning, donotincreaseenginespeed (rpm)oroperatethevehicleuntil thelowoilpressurewarning lampturnsoff.

overheatandcandamagethe startermotor.

WiththekeyintheONposition,the enginewarninglampswillcomeon momentarilyandthengoout.The enginewarninglampsinclude:

1.Checkenginelamp;yellowin color.

2.STOPenginelamp;redincolor.

3.DieselParticulateFilter(DPF) statusindicator;yellowincolor.

4.HighExhaustSystemTemperature (HEST);amberincolor.

CAUTION:Engagingthe startermotorformorethan 30secondsinanyfteen minuteperiodmaycauseitto

OperatingInstructions

ColdWeatherStarting

GeneralInformation

Followthe“NormalStartingProcedure”

onpage4-4.

Refertothevehicleoperator’smanual instructionsforanyadditionalcold weatherstartingprocedures.

Ifstartingacoldengine,slowly increasetheenginespeed.This providesadequatelubricationtothe bearingsandgivesampletimetoallow theoilpressuretostabilize.

Theuseofcoldstartingaidsare notrecommendedforambient temperaturesabove0°F(-18°C).

Ifanenginemustidleforanextended periodoftime,itshouldbedoneat afastidle(1000rpmmaximum)at coolanttemperaturesbelow150°F (70°C).

Forcoolanttemperaturesabove150° F(70°C),usealowgearanddrive

atmoderateenginespeeduntilthe enginecoolanthasreachedoperating temperature.Donotlettheengineidle longerthannecessary .

CAUTION:Donotoperate theengineatlowidlefor longperiodsoftimewhen thecoolanttemperatureis belowthenormaloperating range.Thiscouldresultin thefollowing:

•Fueldilutionofthe lubricatingoil

•Carbonbuildupinthe cylinder

•Stickingofthevalvesin thecylinderhead

•Reducedperformance

•Damagetoaftertreatment components

StartingProcedureAfter ExtendedShutdownorOil Change

GeneralInformation

Followthe“NormalStartingProcedure”

onpage4-4.

4-5

OperatingInstructions

OperatingtheEngine

Normal

Monitortheoilpressureandcoolant temperaturegaugesfrequently.Refer to“LubricatingOilSystem”onpage

5-11and“CoolingSystem”onpage 5-12forrecommendedoperating

pressuresandtemperatures.Shut offtheengineifanypressureor temperaturedoesnotmeetthe specications.

EngineShutdown

BeforeStoppingtheEngine

NOTE:Donotshutoffthe engineimmediately.Ahot enginestoresagreatamountof heatanditdoesnotcooldown immediatelyafteritisshutoff. Alwayscooltheenginedown beforeshuttingitoff.Youwill greatlyincreaseitsservicelife.

Idletheengineat1,000rpmfor4 minutes.Thenlowidlefor30seconds beforeshutdown.Thiswillallow circulatingcoolantandlubricatingoil tocarryheatawayfromthecylinder head,valves,pistons,cylinderliners, turbocharger,andbearings.Thisway youcanpreventenginedamagethat mayresultfromunevencooling.

Electromagnetic Interference(EMI)

GeneralInformation

Ifnotinstalledcorrectly,somevehicle accessories(CBradios,mobile transmitters,etc.)cangenerateand useradiofrequencyenergythatmay causeelectromagneticinterference (EMI)betweentheaccessoryand theelectroniccontrolledfuelsystem. Undertheseconditions,P ACCAR isnotliableforanyperformance problemswitheitherthefuelsystemor theaccessory .EMIisnotconsidered byPACCARtobeanenginefailure andthereforeisnotwarrantable.

OperatingInstructions

SystemEMISusceptibility

PACCARproductsaredesigned andtestedforminimumsensitivity toincomingelectromagneticenergy. ThefuelsystemEMIsusceptibility hasbeendesignedwithahigh toleranceagainstEMIandinmost normalcircumstances,ifnotall, electromagneticenergy-emitting devicesthatmeettheFederal CommunicationsCommissionlegal requirementsshouldcauseno interference.

SystemEMIRadiationLevels

Electroniccomponentsarerequired topassvariousPACCARandindustry EMIspecications.Ourtesting hasshownthatwhentheengineis properlyinstalledandmaintained,it willnotinterferewithproperlyinstalled onboardcommunicationequipment.

Ifanyinterferenceconditionisnoticed, followthesesuggestionstoreducethe amountofEMI:

1.Locatetheaccessoryreceiving antennafurtheraway .

2.Checkwiththeaccessorysupplier representativeinyourareato:

°Accuratelycalibratethe

accessoryforproper frequency,poweroutput, andsensitivity .

°Determinetheoptimum

antennalocationbyobtaining antennareectiveenergydata measurements.

°Ensurethattheoptimum

antennatypeandmounting arrangementisbeingused.

°Ensuretheaccessory

equipmentisproperly constructedformaximum lteringtorejectincoming electromagneticnoise.

4-7

MaintenanceGuidelines

MaintenanceSpecications

MaintenanceProcedures

Overview...............5-3

MaintenanceSchedule.........5-4

GeneralEngineSpecications.....5-10

LubricatingOilSystem.........5-11

CoolingSystem............5-12

FilterSpecications..........5-13

FuelRecommendations........5-13

WarrantyandtheUseofBiodieselFuel.5-15 LubricatingOilRecommendationsand

Specications...........5-16

CoolantRecommendationsand

Specications...........5-17

OilPanDrainPlug..........5-20

InspectionoftheEngineOilLevel....5-20

ToppingUptheEngineOil.......5-21

Maintenance

ReplacingEngineOilFilters......5-22

ReplacingFuelFilter.........5-26

ReplacingCoolantFilter........5-29

EmergencyRepairs..........5-30

5-2

MaintenanceGuidelines

dustyenvironmentoriffrequentstops

OilDrainIntervals

aremade.

Overview

GeneralInformation

PACCARrecommendsthatthe enginebemaintainedaccordingtothe maintenancescheduleinthissection.

Someofthesemaintenance proceduresrequirespecialtools ormustbecompletedbyqualied personnel.Contactyourlocal PACCARauthorizedrepairlocationfor detailedinformation.

Oildrainintervalrecommendationsare basedonvehicleapplicationorengine dutycycle.PACCARrecommends theuseofhighqualitylubricatingoil asindicatedintheLubricatingOil Recommendationsonpage5-16inthe MaintenanceSpecicationsSection.

Iftheengineisoperatinginambient temperaturesbelow0°F(-18°C) orabove100°F(38°C),perform maintenanceatshorterintervals. Shortermaintenanceintervalsarealso requirediftheengineisoperatedina

OilDrainIntervalGuidelines

FuelConsumption

MilesperGallon

KilometersperLiter

GrossVehicleWeight

OilDrainInterval25,000miles/40,000km

**Vocationalvehicleapplicationsinclude:Agriculture,ConcreteMixers,Construction,Crane,Dumps,Emergency/Fire,HeavyEquipment,Loggers, Mining,OilField,Refuse,Pick-up&Delivery,Snowplows,andWrecker

Ifyourengineisequippedwith acomponentoraccessorynot manufacturedbyPACCARInc,refer tothecomponentmanufacturer’s maintenancerecommendations.

Lessthan6MPG

Lessthan2.6km/L

Morethan80,000lb

Morethan36,300kg

800hoursor12months

SevereDuty Vocational**

NormalDuty

LineHaul

6MPGorgreater

2.6km/Lorgreater 80,000lborless

36,300kgorless

40,000miles/64,000km

1200hoursor12months

5-3

MaintenanceGuidelines

MaintenanceSchedule

GeneralInformation

Performmaintenanceatwhichever intervaloccursrst.Ateachscheduled maintenanceinterval,performall previousmaintenancechecksthatare dueforscheduledmaintenance.

NOTE:Thismaintenance scheduleisforaNormalDuty Cycleengineoperation.Severe Duty/Vocationalapplications willneedtoadjustmileage, kilometer,hour,ortimeinterval basedontheOilDrainInterval Guidelineslistedabove.

DailyorRefueling–Maintenance Check

•EngineLubricationOilLevel-

Check/Correct

Tocheckengineoillevel,park vehicleonlevelgroundandwait15 minutesaftershuttingoffengine.

°Removedipstickandwipeit

offwithaclean,lintfreerag.

°Reinsertdipstickallthewayin

andpullitoutagaintocheck oillevel.

°Correctoillevelisbetween

thelow(L)andhigh(H)marks onthedipstick.

•Fuel–WaterSeparator(if

installed)–Draintrappedwater

•AirIntakePiping–Inspect

°Hose/Pipecondition–

deterioration/signsofleaking

°Clearancetoother

components

°CheckAirRestrictionGauge

•AftertreatmentExhaustPiping–

Inspect

°Cracks

°Clearancetoother

components(i.e.electrical harnesses,etc.)

°Hose/pipecondition–

deterioration/signsofleaking

•CoolingFan–Inspect

°Cracks

°Clearancetoother

components

°Hoseclampsfortightness

MaintenanceGuidelines

•EngineCoolantLevel–

Check/Correct

Withtheengineoffand temperaturecool:

°Checkcoolantlevel.Itshould

bevisiblethroughtheclear plasticsurgetank.

°Addcoolantasnecessaryby

removingthepressurecapon theneckofthesurgetankor sightglass.

°Replacementortopup

coolantshouldhavethesame antifreezeconcentrationand corrosioninhibitorcontent astheoriginalcoolantinthe coolingsystem.

°Alwaysdiluteantifreezeto

thecorrectconcentration basedonfreezeprotection beforeaddingittothecooling system.Addingorusing100%

antifreezeinacoolingsystem mayresultincoolingsystem pluggingandoverheating problems.

•DieselEmissionFluid(DEF)level

–Check/T opUp:

NOTE:Itisrecommended totopupDEFwhen refueling.SeeEngine AftertreatmentSystems Operator’sManualforDEF information.

•Checkforanysignsofuid

leaks

•Ensureallaccesscaps/coversare

installedandtight.

Every20,000mi(32,000km),600 Hours,or6Months-Maintenance Check

•AirCleanerRestriction-

Check/Correct

°Servicelterelementwhen

aircleanerrestrictiongauge (option)locksintheextreme highposition.

°Hose/pipecondition-

deterioration/signsofleaking

°Hoseclamptorque

•Charging/CrankingSystem-

Check

°Inspectelectrical

harness/cablesforloose connections,corrosion, chang,andbrokenretention clips.

•ChargeAirPiping-Check/Correct °Hose/pipecondition-

deterioration/signsofleaking

MaintenanceGuidelines

°Hoseclampsfortightness

°Clearancetoother

components

•ChargeAirCooler-Check/Correct

°Crackedtubesorheader

°Cloggedns/tubes

°Hose/pipecondition-

deterioration/signsofleaking

°Hoseclamptorque

**InitialOnly40,000mi(64,000 km),1,200Hours,or12monthsMaintenanceCheck

•ValveClearance-Adjust

**(Seenote3below)

•ValveCoverGasketSeal-

Replace

•DriveBelts-Check/Correct

°Beltcondition-signsof

wear/deterioration

°Beltalignment

•FanBeltT ensioner-

Check/Correct

°Mountingbolttorque

°T ensionermaintainsproper

belttension

5-6

MaintenanceGuidelines

Every40,000mi(64,000km),1,200 Hours,or12months-Maintenance Check

•FuelFilter,CanisterandSpin-on

Type-Replace

•LubricatingOil-Change

•LubricatingOilFilters-Change

•CoolingSystemAntifreezeCheck °Coolantlevel °CoolantProtection

•Batteries-Check °BatteryCablesand

Connections–Check

°Batterycondition–electrolyte

level,cracks,signsofleaking, overcharging

°Batteryhold-downsfor

tightness

°Batteryboxmountingbolt

torque

Every80,000mi(128,000km),2,400 Hours,or2Years-Maintenance Check

•RadiatorHoses-Check

°Hosecondition-

deterioration/signsofleaking

°Hoseclamptorque

•CrankshaftVibrationDamper-

Check

°Damperforcracks,nicks,

Leakage

°Damperfastenertorque

•AirCompressorCarbonBuildup-

Check/Correct

Every160,000mi(256,000km), 4,800Hours–MaintenanceCheck

•Coolingsystemantifreezecheck

°Coolantlevel

°Coolantprotection

°Replacecoolantlter

•AftertreatmentFuelInjector–

Clean

•ExhaustSystem-Change

°Replaceexhaustexpipe(s)

•ValveClearance-adjust

•Valvecovergasketseal-replace

•Enginemountingbolts-check

°Checkbolttorque

MaintenanceGuidelines

Every200,000mi(320,000km), 4,500Hours–MaintenanceCheck

•AftertreatmentDieselExhaust

Fluid(DEF)DosingUnit(DEF Module)Filter–Replace

•AftertreatmentDieselParticulate

Filter(DPF)cleaning,using DPFcleaningmachine **(Seenote4below)

Every500,000mi(800,000km), 15,000Hours–MaintenanceCheck

•CrankcaseVentilation–Replace

Every750,000mi(1,200,000 km),22,000Hours,or6years– MaintenanceCheck

•Changeextendedlifecoolant

**(Seenote1below)

NOTE:

1.Aheavy-dutyextendedlife coolant(ELC)thatmeets ASTMD6210chemical compositionspecications mustbeused.Thechange intervalis750,000miles (1,200,000km)or22,000 hourson-roaduse(8 yearsor15,000hours off-highwayuse)oninitial llwithnoextenderadded. Thechangeintervalis 1,000,000miles(1,600,000 km)/20,000hours/8years withanextenderaddition at500,000miles(800,000 km)/10,000hours/4years. Antifreezeisessential

forfreeze,overheat,and corrosionprotection.The useofsupplementalcoolant additives(SCAs)isnot recommended.

2.Followthemanufacturers’ recommended maintenanceprocedures forthestarter ,alternator, batteries,electrical components,radiator, aircompressor,aircleaner , refrigerantcompressor,and fanclutch.

3.Resetvalvelash,ifneeded, tonominalspecications.

4.TheaftertreatmentDPF clean/replaceinterval isbasedontheuseof lubricatingoilsthatmeetthe SAE15W40(APICJ-4)oil specication.

MaintenanceGuidelines

5-9

MaintenanceSpecications

Maintenance Specications

GeneralEngine Specications

Horsepower FiringOrder CrankshaftRotation(viewedfromfrontofengine)Clockwise Displacement BoreandStroke5.12in.(130mm)×6.38in.(162mm)

DryWeight2,640lb IdleSpeed MaximumLoadedEngineSpeed

MaximumGovernedNo-LoadEngineSpeed

MaximumEngineCompressionBrakeSpeed

SeeEPALabelontopofthevalvecover 1,5,3,6,2,4

784CID(12.9liters)

Approximately650rpm 1,900rpm

2,200rpm

2,100rpm

5-10

MaintenanceSpecications

LubricatingOilSystem

AtLowIdle(minimumallowable)27psi(187kPa)at191°F(88°C)oiltemperature OilPressure AtRoadSpeed900-1,900rpm(minimum

allowable) RegulatedOilPressure72psi(496kPa)at223°F(106°C)oiltemperature TotalSystemCapacity(OilPanandNewOilFilters)42qt(40.0liters)

40psi(276kPa)at215°F(102°C)oiltemperature

5-11

MaintenanceSpecications

CoolingSystem

CoolantCapacityApproximately14to15gallons(53to57liters)dependingonchassis

MinimumRecommendedPressureCap15psi(103kPa) MaximumT opT ankCoolantT emperature121°F(49°C)aboveoutsidetemperature

WARNING:Coolantistoxic. Donotgettheuidineyes.If contactwiththeeyesoccurs, oodeyeswithlargeamounts ofwaterfor15minutes. Avoidprolongedorrepeated contactwithskin.Incaseof contact,immediatelywash skinwithsoapandwater . Donottakeinternally.If

swallowed,seekimmediate medicalattention.Donot inducevomiting.Failureto complymayresultindeath, personalinjury,equipmentor propertydamage.

NOTE:Coolantisharmfultothe environment.Unusedcoolant mustbestoredasatoxic hazardousmaterialinleakproof containers.Usedcoolantmust beprocessedasindustrial chemicalwaste.Pleasefollow HAZMATguidelineswithboth usedandunusedcoolants.

modelandcab/sleeperheateroptions

5-12

MaintenanceSpecications

FilterSpecications

GeneralInformation

PACCARisnotresponsiblefor problemscausedbynon-genuinelters thatdonotmeetP ACCARperformance ordurabilityrequirements.

ContactyourlocalPACCARauthorized repairlocationforspecicpart numbers.

FuelRecommendations

WARNING:Theuseofdiesel fuelthathasbeenmixed withotherfuelsmaycause anexplosion.Donotmix gasoline,alcohol,orgasohol withdieselfuel.Makesure youknowyourfuelsource andusetherecommended dieselfuelasindicatedinthis sectionofthemanual.Failure tocomplymayresultindeath, personalinjury,equipmentor propertydamage.

CAUTION:Dirtorwaterinthe fuelsystemcancausesevere damagetoboththefuelpump andthefuelinjectors.Due totheprecisetolerancesof dieselinjectionsystems,itis extremelyimportantthatthe fuelbekeptcleanandfree ofdirtorwater.Knowyour fuelsourceandmakesureall

stepsaretakenfordispensing orusingcleanfuelinyour vehicle.Failuretocomply mayresultinequipmentor propertydamage.

CAUTION:Lighterfuel canreduceeconomyor possiblydamagefuelsystem components.Lighterfuels typicallydonothaveenough lubricityelementsinthe fueltoproperlylubricate thefuelinjectionsystem. Besureyoufollowthe fuelrecommendationsas indicatedinthissectionof themanual.Failuretocomply mayresultinequipmentor propertydamage.

CAUTION:Usingdieselfuels blendedwithlubricants maycausedamagetoyour exhaustaftertreatment system.Serviceintervalsfor

MaintenanceSpecications

aftertreatmentsystemswill bereduced.Donotusediesel fuelblendedwithlubricating oilinenginesequippedwith anaftertreatmentsystem. Failuretocomplymayresult inequipmentorproperty damage.

CAUTION:Donotuse high-sulfurdieselfuelas itwilldamagetheexhaust aftertreatmentsystem.Also, theenginewillnotmeet emissionregulations.Use onlyultra-low-sulfurdiesel

(ULSD)fuel.Failuretocomply mayresultinequipmentor propertydamage.

CAUTION:Ifultra-low-sulfur dieselfuelisnotused, theenginemaynotmeet emissionregulations,and damagemayoccurtothe exhaustaftertreatment

system.Theuseof high-sulfurdieselfuel willdamagetheexhaust aftertreatmentsystem andimpacttheengine emission.Ultra-low-sulfur dieselfuelisrequiredfor correctoperationofthe aftertreatmentsystem.The enginehasbeenoptimized forusewithanaftertreatment systemtomeetthe2010U.S. EnvironmentalProtection Agencyregulations.Failure tocomplymayresultin equipmentorproperty damage.

NOTE:P ACCARrecommends thatthecetanenumberofdiesel fuelbeaminimumof45for enginesthatareexpectedto operateattemperaturesbelow 32°F(0°C)andaminimumof42 forenginesthatareoperatedat temperaturesabove32°F(0°C).

NOTE:Usingdieselfuelwith alower-than-recommended cetanenumbercancause hardstarting,instability,and excessivewhitesmoke.To maintainsatisfactoryoperation atlowambienttemperatures,it isimportanttospecifydieselfuel ofthecorrectcetanenumber.

NOTE:PACCARrequires allpermissiblefuelstohave adequatefuellubricity.Lubricity canbedeterminedbyASTM, specicationD6079,ISO12156, HighFrequencyReciprocating Rig(HFRR)inwhichthefuel musthaveawearscardiameter of0.02in.(0.5mm)orless.

NOTE:Theuseof Ultra-Low-Sulfurdieselfuel isrequiredforthisengine inordertomeetemission regulationsandtoprevent damagetotheengineand

MaintenanceSpecications

exhaustsystem.Theuseof othergradesofdieselfuels otherthanUltra-Low-Sulfur dieselfuelwillbeconsidered auseofincorrectfuelfor theengine.PACCARisnot responsibleforfailurescaused bytheuseofincorrectfuel,oil orcatalyticreagentorbywater, dirtorothercontainmentsinthe fuelorcatalyticreagent.

WarrantyandtheUseof BiodieselFuel

PACCARIncapprovestheuseof biodieselfuelblendsupto5%by volumeindieselfuelthatmeetsallof thefollowingthreeconditions:

•Thebiodieselusedintheblend

meetsASTMStandardD6751or EN14214specications.

•Thebiodieselusedintheblend

issourcedfromaBQ-9000 AccreditedProducer.

•Thenishedblendmeetsthefuel

propertiesofASTMStandardD 975orEN590specications.

Theuseofapprovedbiodieselfuel doesnotaffectthePACCARengine warranty.Failurescausedbytheuse ofnonapprovedbiodieselfuelsorother fueladditivesthatareofunacceptable qualityordonotmeetspecied industrystandardsarenotconsidered asdefectsofpartsorworkmanship

byPACCARandthereforewillnot becoveredbythePACCARengine warranty.

MaintenanceSpecications

LubricatingOil Recommendationsand Specications

GeneralInformation

CAUTION:Extendingtheoil andlterchangeinterval beyondtherecommendations willdecreasetheengine lifeduetofactorssuchas corrosion,deposits,and wear.Engineoillters capturedirtandremove depositsfromtheoilto prolongthelifeofinternal movingcomponents.Follow

theoilandlterchange intervalsasrecommendedin thissectionofthemanual. Failuretocomplymayresult inequipmentorproperty damage.

Amajorfactorinmaintainingengine performanceanddurabilityisthe properuseofqualityenginelubricating

oilsusedinconjunctionwiththe appropriateoildrainandlterchange intervals.Attemptingtoextendtheoil andlterchangeintervalbeyondthe manufacturersrecommendationsmay decreaseenginelife.

NOTE:Itistheowners responsibilitytocorrectlyfollow lubricatingoilrecommendations. Ifrecommendationsareignored, theenginewarrantycouldbe affected.

PACCARrecommendstheuseof high-qualitySAE15W40(APICJ-4) heavy-dutyengineoil.

TheprimaryPACCAR recommendationisfortheuseof 15W-40multigradelubricatingoil fornormaloperationatambient temperaturesabove5°F(-15°C). Forambienttemperaturesbelow 5°F(-15°C)SAE5W30maybe used,provideditmeetsAPICJ-4 oilspecicationsandbiodieselor

biodieselblendedfuelisnotusedas fuelfortheengine.Usingamultigrade oilhelpsimproveenginecrankingin low-temperatureconditions,reduces depositformationandincreases enginedurability .

MaintenanceSpecications

NewEngineBreak-InOils

PACCARdoesnotapprovetheuseof special“break-in”enginelubricating oilsforneworrebuiltPACCAR engines.Itisrecommendedtouse thesamelubricatingoilforengine break-inthatwillbeusedduringnormal operation.

AftermarketOilAdditiveUsage

PACCARdoesnotrecommendtheuse ofaftermarketoiladditives.T oday’s high-qualityenginelubricatingoilsare verysophisticated.Mostoilsalready containpreciseamountsofadditives blendedintothelubricatingoiltomeet stringentperformancerequirements.

Theseoilsmeetperformance characteristicsthatconformtothe lubricantindustrystandardsand aresufcientprotectionwhenused accordingtotherecommendations. Aftermarketlubricatingoiladditivesare notnecessarytoenhanceengineoil performanceandmayinsomecases reducetheoil’scapabilitytoprotect theengine.

CoolantRecommendations andSpecications

Thecoolingsysteminyourvehicle wasfactorylledwithExtendedLife Coolant(ELC)thatmeetsorexceeds allASTMD6210requirements. PACCARrecommendsonlyusinga 50/50mixtureofdistilledwaterand ELCwhencoolingsystemservice isrequired.A50/50mixtureofELC anddistilledwaterwillprovidefreeze protectiondownto-34°F(-36.7°C), whichisadequateformostlocations inNorthAmerica.Forextremelycold operatingconditions,a60/40mixture (coolant/waterratio)canbeusedto providefreezeprotectiondownto

-62°F(-52.2°C).

Yourengineisalsoequippedwitha CoolantFilterdesignedtocapture andremoveharmfuldepositsfromthe coolingsystemtohelpprolongsystem life.

MaintenanceSpecications

CheckingCoolantCondition

ToensuretheExtendedLifeCoolant (ELC)inyourvehiclealwaysprovides maximumfreezeprotection,perform thefollowingtests:

1.Checkthecoolantcoloratevery maintenanceinterval.Itshouldbe abrightredwithnosignsofdebris oranyoil.

2.T estthefreezepointatleasttwo timesayear.Arefractometeror teststripscanbeusedtomeasure theprotectionlevel.

3.Keepthecoolingsystematfull

levelsbytopping-upusingELC pre-dilutedto50/50blend.

RecommendedExtendedLife CoolantSuppliers

BrandName

TRP

MaintenanceSpecications

Supplier

AuthorizedPACCAREngineDealer

CoolingSystemSealingAdditives

CAUTION:Theuseofsealing additivesinthecooling systemcancausedamageto theengine.Sealingadditives canplugvariousareasof theradiator,EGRsystem andoilcooler.Theplugging ofthecoolingsystemcan hamperheattransfer,causing internalenginedamage.Do notusesealingadditivesin thecoolingsystem.Theuse ofsealingadditivescan:

•Buildupincoolant low-owareas.

•Plugtheradiatorandoil cooler.

•Damagethewaterpump seal.

Failuretocomplymayresult inequipmentorproperty damage.

CoolingSystemSolubleOils

CAUTION:Theuseofsoluble oilsinthecoolingsystemcan causedamagetotheengine. Solubleoilsinthecooling systemcan:

•Damageheattransfer surfaces.

•Damagesealsandhoses.

Failuretocomplymayresult inequipmentorproperty damage.

5-19

MaintenanceProcedures

Maintenance Procedures

OilPanDrainPlug

Afterdrainingtheoil,discardthe washerandreplacewithanewcopper sealingwasher,torquetheboltto44 lb-ft(60Nm).

InspectionoftheEngineOil Level

NOTE:Ittakesapproximately 15minutesforalltheoiltorun intothesumpwhentheengine is‘warm.’Ifthelevelischecked immediatelyafterswitchingoff theengine,thedipstickwill showalowoillevel.

1.Makesurethatthevehicleframe railisstandingonaatandlevel surface.

2.Makesurethatthevehicleis horizontal,bothlengthwiseand crosswise.Checkthiscarefully onavehiclewithairsuspension. Notethattheenginemaybe inclinedupto4°dependingonthe vehiclemodelandwheelbase.

3.Twistthedipstickhandletounlock it,thenpullthedipstickoutofthe holder.

4.Wipethedipstickcleanwitha lint-freecloth.

5.Placethedipstickbackintothe holder.

6.Pullthedipstickoutagainand checktheoillevel.Theoillevel shouldalwaysbebetweenthe2 marksonthedipstick.

7.Reinstallthedipstickandtwistto lockitinplace.

1.EngineOilHighLevel

2.EngineOilLowLevel

MaintenanceProcedures

ToppingUptheEngineOil

1.T opupwithoil,ifnecessary,via thelleropening.Usethecorrect gradeinthecorrectquantity.

2.Aftertoppingup,wait1minuteand checktheoillevelagain.

3.Reinstalltheoilllcapandtwist tolockitinplace.

NOTE:P ACCARrecommends theuseofhigh-qualitySAE 15W40(APICJ-4)heavy-duty engineoil.

5-21

MaintenanceProcedures

ReplacingEngineOilFilters

1.full-owOilFilter

2.centrifugalbypassOilFilter

Yourengineisequippedwithafull-ow oillterandcentrifugalbypassoillter. Bothltersaredesignedtocapture

contaminantsandremovedeposits fromtheoiltoprolongthelifeof internalmovingcomponents.Always usequalityenginelubricatingoilsin conjunctionwiththeappropriateoil drainandlterchangeintervals.Refer to“MaintenanceSchedule”beginning

onpage5-4fortherecommendedoil

andlterchangeserviceinterval.

OilFilterRemovalPreparation

1.Disconnectthechassisbattery cableatthenegativebattery terminal.

CAUTION:Before beginningtoremove and/ordisconnectany components,waitatleast 5minutesafterthekey switchisturnedOFF fortheaftertreatment DieselEmissionFluid (DEF)dosingsystem topurgetheDEFfrom thesystem.TheDEF systempurgestoprevent damagefromfreezing. Failuretocomplymay resultinequipmentor propertydamage.

WARNING:Electrical shockhazard:Never disconnectthebattery clampwhentheengineis

running.Disconnecting thebatteryclampswhile theengineisrunningmay resultindeath,personal injuryorequipment damagefromelectrical archingordamageto electricalcomponents. Turnofftheengineand placetheignitionswitch intheOFFpositionbefore disconnectingthebattery clamps.Donotplaceany toolsorothermaterials ontopoforcloseto thebatteries.Thiscan causeadangeroushigh currentshortcircuit and,intheworstcase,a batteryexplosion.Keep allobjectsawayfrom thebatteryterminals. Alwaysbreakthecontact betweenthebattery clampandthenegative terminalbeforeworking

MaintenanceProcedures

onthevehicle.Working onavehiclewhilethe batteryisconnected mayresultinelectrical injuryordamage.Always disconnectthebattery atthenegativeterminal whenperformingservice procedures.

2.Placeanoilcollectionpandirectly undertheoillter.

CentrifugalBypassOilFilter Removal

1.Removethecapofthecentrifugal oillter.Useahexagonalsocket toavoiddamagingtheoilltercap.

2.RemovetheO-ringfromthescrew cap.

WARNING:Lubricatingoil cancauseskinirritationor skininjury.Topreventskin injury,avoidunnecessary contactwiththelubricating oil.Wearprotectiveclothing, eyewearandgloveswhen handlinglubricatingoil.

Failuretocomplymayresult inpersonalinjury.

MaintenanceProcedures

CentrifugalBypassOilFilter Installation

1.LightlylubricatetheO-ring(1)with engineoil.

2.FitthenewO-ring(1)ontothecap (2).

3.Mountthecentrifugallter(3)with

itstopsideinthebearingofthe screwcap(2).

4.Checktoensurethecentrifugal lter(3)canrotatefreely .

5.Positionthescrewcapcarefully ontotheoilmodule.

6.Tightenthescrewcapbyhand untilitreachestheendposition.

7.Tightenthescrewcapto354lb-in (40Nm).Useahexagonalsocket toavoiddamagingtheoilltercap.

Full-owOilFilterRemoval

1.Unscrewthecapafewturns anddrainthelterhousing.Use ahexagonalsockettoavoid damagingtheoilltercap.

2.Removethecap,withtheoillter cartridge,fromthelterhousing. Thenremovetheoilltercartridge fromthescrewcap.

3.RemovetheO-ringfromthescrew cap.

4.Removethecentrifugallter.

WARNING:Lubricatingoil cancauseskinirritationor skininjury.Topreventskin

MaintenanceProcedures

injury,avoidunnecessary contactwiththelubricating oil.Wearprotectiveclothing, eyewearandgloveswhen handlinglubricatingoil. Failuretocomplymayresult inpersonalinjury.

Full-owOilFilterInstallation

1.LightlyoilthenewO-ring.

2.InstallanewO-ringontothescrew cap.

3.Installthescrewcap,withthe oilltercartridge,ontothelter housing.Tightenthescrew capto354lb-in(40Nm).Use ahexagonalsockettoavoid damagingtheoilltercap.

AfterReplacingOilFilter(s)

1.Reconnectthechassisbattery cableatthenegativebattery terminal.SeeWarningsat Centrifugaloillterremoval preparation.

2.AddapprovedengineoilSAE 15W40(APICJ-4)tothemaximum levelmarkedonthedipstick.

3.Startandruntheengineforve totenminutesandcheckforany oilleaks.

4.Removeoilcollectionpanand disposeofanyspillageproperly.

5.Checkengineoillevelandtopup asnecessary .

°chassismustbeonlevel

surface

°waitatleastveminutesifthe

enginehasbeenhot

°pullthedipstickandwipewith

aclean,lintfreecloth

MaintenanceProcedures

°reinsertthedipstick,then

removeandchecktheoillevel

°addapprovedengineoilSAE

15W40(APICJ-4)tothe maximumlevelmarkedonthe dipstick

ReplacingFuelFilter

WARNING:Whenremoving thefuellter ,aquantityoffuel willescape.Donotsmokeor allowanopenameinclose proximity.Failuretodoso couldigniteareorcausean explosionwhichcouldresult inseriousinjurytoyouand/or bystanders.Failuretocomply mayresultindeath,personal injury,equipmentorproperty damage.

NOTE:Thefuellterandthe handpumparelocatedonthe left-handsideoftheengine.

Removal

1.Airbleedscrew

2.Fuellterhousing

3.Fuellter

1.Loosenthefueltankcaptorelieve anypressureinthefueltank.

2.Cleanthefuellterhousing(2) andsurroundingarea.

CAUTION:Dirtinthe fuelsystemcanleadto signicantdamageto thefuelsystem.Failure tocomplymayresultin equipmentorproperty damage.

MaintenanceProcedures

3.Removethefuellter(3)by rotatingitcounter-clockwise.Use alterwrenchtoremove.

NOTE:Preventfuelfrom leakingordrippingonthe startermotor.

NOTE:Thefuellter cartridgeisadisposable lterandmaynotbe cleanedandreused. Disposeofthelteras chemicalwaste.

Installation

4.Fuelprimerpumpknob

5.Fuelprimerpump

1.Beforeinstallingthenewfuellter, lllterwithcleandieselfueland lightlyoiltheltero-ringwithfuel orengineoil.

2.Installthenewfuellter(3), rotatingitclockwiseuntilthelter o-ringmakescontactwiththelter housing(2).Thentightenthelter byhand¾ofarevolution.

3.Loosenthefuellterhousing airbleedscrew(1)byrotatingit counter-clockwise.

4.Loosenthefuelprimerpumpknob (5)byrotatingitcounter-clockwise.

5.Operatetheprimerpump(4)by movingtheknob(5)inandout untilfuel(withoutairbubbles) bleedsoutofthefuellterhousing airbleedscrew(1).

6.Withtheprimerpumpknob(5) pushedin,tightenthefuellter housingairbleedscrew(1).

7.Next,operatetheprimerpump(4) bymovingtheknob(5)inandout untilpumpingresistanceincreases noticeably.Thentightentheknob byrotatingitclockwise.

8.Checkforleakageattheairbleed screw(1)andfuellter(3).Tighten ifnecessary.

WARNING:Checkthefuel lterandairbleedscrew forsignsofleakage. Donotsmokeorallow anopenameinclose

MaintenanceProcedures

proximity.Failuretodo socouldigniteareor causeanexplosionwhich couldresultinserious injurytoyouand/or bystanders.Failureto complymayresultin death,personalinjury, equipmentorproperty damage.

9.Starttheengineandrunitatidle speedforseveralminutes.This willallowanyairinthesystemto escape.Thenturntheengineoff andcheckthesystemforleakage.

10.Re-starttheengine.Iftheengine

doesnotstart,orrunserratic, followtheprocedureunder “StartingAftertheFuelT ankHas RunDry”.

StartingAftertheFuelT ankHas RunDry

Thefollowinginstructionsshouldonly beusedinemergencysituationswhen thefueltankhasrundry.Failureto followthestartinginstructionsbelow maydamagethestartermotor.

4.Fuelprimerpumpknob

5.Fuelprimerpump

1.Loosenthefuelprimerpumpknob (5)byrotatingitcounter-clockwise.

2.Next,operatetheprimerpump(4) bymovingtheknob(5)inandout untilpumpingresistanceincreases noticeably.Thentightentheknob byrotatingitclockwise.

3.Operatethestartermotoruntilthe enginestarts.

NOTE:Themaximumtime thestartermotorcanbe switchedonatanygiven timeis30seconds.

4.Iftheenginedoesnotstartwithin thistime,allowthestartermotor tocooldownforatleast1minute beforerepeatingtheprocedure.

WARNING:Donotloosen anyfuellinettingsinorder tobleedthefuelsystemof air.Thesystemisunder highpressurewhich,when relieved,couldcausedeath, personalinjury,equipmentor propertydamage.

MaintenanceProcedures

ReplacingCoolantFilter

Yourengineisequippedwitha CoolantFilterdesignedtocapture andremoveharmfuldepositsfrom thecoolingsystemtohelpprolong systemlife.Refertothe“Maintenance Schedule”beginningonpage5-4for therecommendedcoolantlterchange serviceinterval.

WARNING:Donotremove theradiatorcaponahot engine.Itcancausescalding coolanttosprayoutand youcouldbeburned.Ifthe enginehasbeenoperated withinthelast30minutes, beverycarefulinremoving theradiatorcap.Failureto complymayresultindeath, personalinjury,equipmentor propertydamage.

•Protectface,hands,and armsagainstescaping uidandsteamby

coveringthecapwith alarge,thickrag.

WARNING:Handlecoolant andantifreezecarefully. Ethyleneglycolantifreezeis poisonous.Storeinoriginal uidcontaineronly,and alwayskeepoutofthereach ofchildren.Failuretocomply mayresultindeath,personal injury,equipmentorproperty damage.

•Also,neverremovethe caponthesurgetank whiletheengineisstill hot.Waituntilthecoolant temperatureisbelow 120°F(50°C).Scalding steamanduidunder pressuremayescapeand causeseriouspersonal injuries.

Removal

1.Slowlyloosentheradiatorcapto relieveanypressureinthecooling system.

2.Closethecoolantltershutoff valvebyrotatingittothe“C” position.

3.Cleanthecoolantlterand surroundingarea.

4.Removethecoolantlterby rotatingitcounter-clockwise.Use alterwrenchtoremove.

MaintenanceProcedures

NOTE:Asmallamountof coolantcouldleakoutwhen thelterisloosened.Usea suitablecontainertocatch anydrips.

NOTE:Thecoolantlter cartridgeisadisposable lterandmaynotbe cleanedandreused. Disposeofthelteras chemicalwaste.

5.RemovetheO-ringfromthe coolantlterhousing,ifithasnot beenremovedalready .

Installation

1.Applyasmallamountofcoolantto thesealingringofthenewcoolant lter.

2.Installthelter,rotatingit clockwiseuntilthesealingring makescontactwiththelter housing.Thentightenbyhand½¾ofarevolution.

3.TurntheshutoffvalvetotheOpen position.

4.Reinstalltheradiatorcap.

5.Starttheengineandrunatidle speedforseveralminutes.Check forleaks.

EmergencyRepairs

ReplacingBelts

NOTE:IMPORT ANT :Always tthesametypeofbeltsas theonesreplaced.

MaintenanceProcedures

PolyV-belt,CoolantPumpDriveand FanDrive Removal

1.Disconnecttheelectricalground wirefromthebattery.

2.Placeaex-barwitha15-mm socketontheautomaticbelt tensionerrollerfastenerasshown. Rotatetheex-barasshownin thediagramtorelievebelttension.

3.Withthebelttensionerpressure relieved,removethepolyV-belt fromthepulleys.

NOTE:Thetensionercan betemporarilyblocked witha0.16-0.2inch(4-5 mm)thickpin(bore).This facilitatesremovaland installationofthepoly V-belt.

4.Afterremovingthebelt,carefully allowthebelttensionertospring backtothestop(ifithadnotbeen temporarilyblocked).

5.Inspectthepulleysfordamage, rust,andgreasedeposits.Clean orreplaceasnecessary .

Installation

1.PlacethenewpolyV-beltoverthe pulleys,makingcertainthebelt fallsintoallthebeltpulleygrooves.

2.Afterinstallingthebelt,carefully allowthebelttensionertospring backtoitsnormalposition.Ifthe tensionerhadbeentemporarily blocked,relievetensioner pressureenoughtoremove

thelockingpin,thenallowthe tensionertospringbacktoits normalposition.

3.Reconnecttheelectricalground wiretothebattery.

MaintenanceProcedures

RemovalandInstallation—Poly V-belt,Alternatorand Air-ConditioningCompressor Drive Removal

1.RemovethepolyV-beltfromthe fanandcoolantpumpdriveas describedin“PolyV-belt,Coolant PumpDriveandFanDrive” “Removal”.

2.Next,placeaex-barwitha 15mmsocketonthealternator andairconditioningcompressor drivebelttensionerrollerfastener asshown.Movethebarinthe

directionshowntorelievepressure onthebelttensioner.

3.Withthebelttensionerpressure relieved,removethepolyV-belt fromthepulleys.

NOTE:Thetensionercan betemporarilyblocked witha0.16-0.2inch(4-5 mm)thickpin(bore).This

facilitatesremovaland installationofthepoly V-belt.

4.Afterremovingthebelt,carefully allowthebelttensionertospring backtothestop(ifithadnotbeen temporarilyblocked).

5.Inspectthepulleysfordamage, rustandgreasedeposits.Clean orreplaceasnecessary .

Installation

1.PlacethenewpolyV-beltoverthe pulleys,positioningthenewbelt

sothatitfallsintoallthebeltpulley grooves.

2.Afterinstallingthebelt,carefully allowthebelttensionertospring backtoitsnormalposition.Ifthe tensionerhadbeentemporarily blocked,relievetensioner pressureenoughtoremove thelockingpin,thenallowthe tensionertospringbacktoits normalposition.

3.Reinstallthecoolantpumpand fandrivepolyV-beltaspreviously describedin“PolyV-belt,Coolant PumpDriveandFanDrive” “Installation”.

4.Reconnecttheelectricalground wiretothebattery.

CleaningtheEngine

Whencleaningtheengine,follow theinstructionsfromthevehicle manufacturerOperator’sManualand observeallenvironmentalprotection regulations.

CAUTION:Donotdirectwater ontoelectricalcomponents, plugconnectors,sealsor exiblehosesontheengine. Watermayenterthepart causingelectricaldamage orcontaminatingoil.To preventdamagetoengine components,keepthewater movingatalltimeswhile cleaningtheengine.Failure tocomplymayresultin equipmentdamage.

MaintenanceProcedures

5-33

Information

EngineIdentication

EngineComponentLocations......6-3

EPALabel...............6-4

Warranty

UnitedStatesandCanadaPACCARMX

EngineCoverage...........6-5

UnitedStatesandCanadaFireApparatus

TruckApplicationsCoverage......6-9

EmissionWarranty..........6-13

CaliforniaEmissionControlSystem

Warranty,On-Highway........6-15

6-1

EngineIdentication

RightSideofEngine

LeftSideofEngine

EngineComponent Locations

1.CoolantFilter

2.Full-owOilFilter

3.CentrifugalBypassOilFilter

4.OilCooler

5.Turbocharger

1.FuelFilter

2.AirCompressor

3.PowerSteeringPump

4.Starter

5.FuelPump

6.ElectronicControlModule(ECM)

7.CrankcaseVent

8.Alternator

9.A/CCompressor

6-3

EngineIdentication

EPALabel

TheEPAlabelprovidesimportantfacts abouttheengine.TheEPAlabelis locatedontopoftheenginevalve cover.TheengineEP Alabelmust notbechangedunlessapprovedby PACCAR.

1.EPALabelLocation

TheEP Alabelprovidesmanydetails regardingtheengine.Somefactsthat arefoundontheEPAlabelincludethe following:

•Fuelrate

•Idlespeed

•Maximumratedspeed

•Valvelash

•Maximumpowerrating

•Dateofmanufacture

•Enginedisplacement

6-4

Warranty

UnitedStatesandCanada PACCARMXEngine Coverage

ProductsWarranted

ThiswarrantyappliestonewP ACCAR MXEnginessoldandusedinthe UnitedStatesorCanadaandoperated inon-highwayapplicationswithone exception–thereisdifferentwarranty coverageforenginesusedinthere apparatustruckapplications.

ThePACCARMXEngineiswarranted directlytotherstpurchaserby PACCAR.

BaseEngineWarranty

Thiswarrantycoversanyfailuresofthe Enginewhichresult,undernormaluse andservice,fromadefectinmaterial orfactoryworkmanship(Warrantable Failure).Thiscoveragebeginsonthe dateofdeliveryandendstwoyearsor 250,000miles(400,000kilometers)or 6,250hours,whicheveroccursrst, afterthedateofdeliveryoftheEngine totherstpurchaser.

Additionalcoverageisoutlinedinthe EmissionWarrantysection.

MajorEngineComponentsWarranty

ThereisanEngineWarrantyperiod of60months,500,000miles(800,000 kilometers)or12,500hours,whichever occursrst,afterthedateofdelivery oftheEnginetotherstpurchaserfor thefollowingEngineparts:

•CylinderBlockCasting

•MainBearingBolts

•CylinderHeadCasting

•CylinderHeadBolts

•Crankshaft

•Camshaft

•CamFollowerAssemblies

•ConnectingRodAssemblies

•CrankshaftGear

•CamshaftGear

•CamshaftIdlerGear

•LubePumpGear

Warranty

•FlywheelHousing

•WaterPumpHousing

•ThermostatHousing

PACCARResponsibilities

PACCARwillpayforallpartsandlabor neededtorepairthedamagetothe EngineresultingfromaWarrantable Failure.

PACCARwillpayforthelubricating oil,antifreeze,lterelements,belts, hoses,andothermaintenanceitems thatarenotreusableduetothe WarrantableFailure.PACCARwillpay forreasonablelaborcostsforEngine removalandreinstallationwhen necessarytorepairaWarrantable Failure.

PACCARwillpayduringthebase enginewarrantyperiodoftwoyearsor 250,000miles(400,000kilometers)or 6,250hours,whicheveroccursrst. Reasonablecostsfortowingavehicle disabledbyaWarrantableFailureto thenearestauthorizedrepairstation. Inlieuofthetowingexpenseand initssolediscretion,PACCARmay payreasonablecostsforamechanic

totraveltoandfromthelocationof thevehiclewhenanenginerepairis performedatthesiteofthefailure.

Warranty

OwnerResponsibilities

Ownerisresponsiblefortheoperation andmaintenanceoftheEngineas speciedintheapplicableP ACCAR Operator’sManual.Ownerisalso responsibleforprovidingproofthatall recommendedmaintenancehasbeen performed.

Beforetheexpirationoftheapplicable warranty,Ownermustnotifya PACCARauthorizedenginedealerof anyWarrantableFailureandmake theengineavailableforrepairby suchfacility.TheWarrantableFailure mustbebroughttotheattentionofa PACCARauthorizedenginedealer within30daysofdiscovery.Owner mustalsodelivertheEnginetothe authorizedenginerepairfacilityduring thewarrantyperiodunlessdeliveris impossiblebecausetheEnginehas beendisabledbyaWarrantablefailure.

Ownerisresponsibleforthecost oflubricatingoil,antifreeze,lter

elementsandothermaintenance itemsprovidedduringwarrantyrepairs unlesssuchitemsarenotreusable duetotheWarrantableFailure.Owner isresponsibleforcommunication expenses,meals,lodgingandsimilar costsincurredasaresultofa WarrantableFailure.

Ownerisresponsiblefornon-Engine repairsandfor"downtime"expenses, cargodamage,nes,allapplicable taxes,allbusinesscostsandother lossesresultingfromaWarrantable Failure.

Limitations

Yoursoleandexclusiveremedy againstPACCARandtheSelling Dealerarisingfromyourpurchaseand useofthisEngineislimitedtothe repairorreplacementof“warrantable failures”atauthorizedUnitedStates andCanadianPACCAREngine Dealers,oranauthorizedPACCAR Enginefacilitywhereapplicable, subjecttoPACCAR’stime,mileage, andhourlimitationsoftheengine warranty.Themaximumtime,mileage andhourlimitationsoftheengine warrantybeginrunningontheDateof DeliverytotheFirstPurchaser.The accruedtime,mileage,orhoursis calculatedwhentheengineisbrought intoanAuthorizedDealerforcorrection ofwarrantablefailures.

PACCARisnotresponsiblefor failuresordamageresultingfrom whatPACCARdeterminestobe abuseorneglect,including,butnot

Warranty

limitedto:damageduetoaccident; operationwithoutadequatecoolantsor lubricants;overfueling;overspeeding; lackofmaintenanceoflubricating, coolingorintakesystems;improper storage,starting,warm-up,run-inor shutdownpractices;unauthorized modicationsoftheEngine.P ACCAR isalsonotresponsibleforfailures causedbyincorrectoilorfuelordiesel exhaustuidorbywater,dirtorother contaminantsinthefuel,oil,ordiesel exhaustuid.Failureofreplacement partsusedinrepairsduetotheabove non-warrantableconditionsisnot warrantable.

Thiswarrantydoesnotapplyto accessoriessuppliedbythevehicle OEMwhicharecoveredbytheOEM vehiclewarranty .

Failuresresultinginexcessiveoil consumptionarecoveredforthe durationofthecoverageor250,000 miles(400,000kilometers)or6,250

hoursfromthedateofdeliveryof theEnginetotherstpurchaser, whicheveroccursrst.Beforeaclaim forexcessiveoilconsumptionwill beconsidered,Ownermustsubmit adequatedocumentationtoshow thatconsumptionexceedsPACCAR publishedstandards.

Failuresofbeltsandhosessuppliedby PACCARarecoveredfortherstyear fromthedateofdeliveryoftheEngine totherstpurchaser.

PACCARdoesnotwarrantantifreeze, lubricants,lters,lterelements,or anyotherpartwhichisconsidereda maintenanceitem.

PartsusedtorepairaWarrantable Failuremaybenewparts,approved rebuiltparts,orrepairedparts. PACCARisnotresponsiblefor failuresresultingfromtheuseofparts notapprovedbyPACCAR.Anew approvedorrebuiltpartusedtorepair aWarrantableFailureassumesthe

identityofthepartitreplacedandis entitledtotheremainingcoverage hereunder.

PACCARisnotresponsiblefor damageorlossresultingfromEngine horsepower/torqueupgrades.

PACCARreservestherightto interrogateElectronicControlModule (ECM)dataforpurposesoffailure analysis.

PACCARDOESNOTCOVERWEAR ORWEAROUTOFCOVERED PARTS.

THISWARRANTYANDTHE EMISSIONWARRANTYSETFORTH HEREINAFTERARETHESOLE WARRANTIESMADEBYPACCAR INREGARDTOTHESEENGINES.

THISLIMITEDWARRANTYIS THESOLEWARRANTYMADE BYPACCARANDTHESELLING DEALER.EXCEPTFORTHEABOVE

Warranty

LIMITEDWARRANTY,P ACCARAND THESELLINGDEALERMAKENO OTHERWARRANTIES,EXPRESS ORIMPLIED.PACCARANDTHE SELLINGDEALEREXPRESSL Y DISCLAIMANYWARRANTY OFMERCHANT ABILITYOR WARRANTYOFFITNESSFORA PARTICULARPURPOSE.

PACCARANDTHESELLING DEALERSHALLNOTBE LIABLEFORINCIDENTALOR CONSEQUENTIALDAMAGES INCLUDING,BUTNOTLIMITED TO:LOSSOFINCOMEORLOST PROFITS;ENGINEORVEHICLE DOWNTIME;THIRDPARTY DAMAGE,INCLUDINGDAMAGE ORLOSSTOOTHERENGINES, VEHICLESORPROPERTY, ATTACHMENTS,TRAILERSAND CARGO;LOSSORDAMAGE TOPERSONALCONTENTS; COMMUNICATIONEXPENSES; LODGINGAND/ORMEAL

EXPENSES;FINES;APPLICABLE TAXESORBUSINESSCOSTSOR LOSSES;ATTORNEYS’FEES;AND ANYLIABILITYYOUMA YHA VEIN RESPECTTOANYOTHERPERSON ORENTITY .

Thiswarrantygivesyouspeciclegal rights,andyoumayalsohaveother rightswhichvaryfromstatetostate.

UnitedStatesandCanada FireApparatusTruck ApplicationsCoverage

ProductsWarranted

ThiswarrantyappliestonewP ACCAR MXEnginessoldandusedinthe UnitedStatesorCanadaandoperated inreapparatustruckapplications.

Warranty

BaseEngineWarranty

TheBaseEngineWarrantycovers anyfailuresoftheEnginewhich result,undernormaluseandservice, fromadefectinmaterialorfactory workmanship(WarrantableFailure). Thiscoveragebeginsonthedateof deliverytotherstpurchaserand endsafterveyearsor100,000 miles(160,000kilometers),whichever occursrst.

Additionalcoverageisoutlinedinthe EmissionWarrantysection.

PACCARResponsibilities

PACCARwillpayforallpartsandlabor neededtorepairthedamagetothe EngineresultingfromaWarrantable Failure.

PACCARwillpayforthelubricating oil,antifreeze,lterelements,belts, hosesandothermaintenanceitems thatarenotreusableduetothe WarrantableFailure.PACCARwillpay forreasonablelaborcostsforEngine removalandreinstallationwhen necessarytorepairaWarrantable Failure.

PACCARwillpayreasonablecosts fortowingavehicledisabledbya WarrantableFailuretothenearest authorizedrepairlocation.Inlieu ofthetowingexpenseandatits solediscretion,PACCARwillpay reasonablecostsforamechanicto traveltoandfromthelocationof thevehiclewhenitsenginerepairis performedatthesiteofthefailure.

OwnerResponsibilities

Ownerisresponsiblefortheoperation andmaintenanceoftheEngineas speciedinPACCAROperator’s Manual.Ownerisalsoresponsiblefor providingproofthatallrecommended maintenancehasbeenperformed.

Beforetheexpirationoftheapplicable warranty,Ownermustnotifya PACCARauthorizedenginedealerof anyWarrantableFailureandmake theengineavailableforrepairby suchfacility.TheWarrantableFailure mustbebroughttotheattentionofa PACCARauthorizedenginedealer within30daysofdiscovery.Except forEnginesdisabledbyaWarrantable Failure,Ownermustalsodeliverthe Enginetotherepairfacility .

Ownerisresponsibleforthecost oflubricatingoil,antifreeze,lter elementsandothermaintenance itemsprovidedduringwarrantyrepairs

Warranty

unlesssuchitemsarenotreusable duetotheWarrantableFailure.

Ownerisresponsiblefor communicationexpenses,meals, lodgingandsimilarcostsincurredasa resultofaWarrantableFailure.

Ownerisresponsiblefornon-Engine repairsandfordowntimeexpenses, cargodamage,nes,allapplicable taxes,allbusinesscostsandother lossesresultingfromaWarrantable Failure.

Ownerisresponsiblefora$100(U.S. Dollars)deductiblepereachservice visitunderthisplaninthe3rd,4th,and 5thyearsofbaseenginewarranty. Thedeductiblewillnotbecharged duringthersttwoyearsofthebase enginewarranty .

Limitations

PACCARisnotresponsiblefor failuresordamageresultingfrom whatPACCARdeterminestobe abuseorneglect,includingbutnot

limitedto:damageduetoaccident; operationwithoutadequatecoolantsor lubricants;overfueling;overspeeding; lackofmaintenanceoflubricating, coolingorintakesystems;improper storage,starting,warm-up,run-inor shutdownpractices;unauthorized modicationsoftheEngine.P ACCAR isalsonotresponsibleforfailures causedbyincorrectoil,fuelordiesel exhaustuidorbywater,dirtorother contaminantsinthefuel,oilordiesel exhaustuid.Failureofreplacement partsusedinrepairsduetotheabove non-warrantableconditionsisnot warrantable.

Thiswarrantydoesnotapplyto accessoriessuppliedbyPACCAR whicharecoveredbytheOEMvehicle warranty.

Failuresresultinginexcessiveoil consumptionarenotcoveredbeyond thedurationofthecoverageor 100,000miles(160,000kilometers)or

Warranty

6,250hoursfromthedateofdelivery oftheEnginetotherstpurchaser, whicheveroccursrst.Beforeaclaim forexcessiveoilconsumptionwill beconsidered,Ownermustsubmit adequatedocumentationtoshow thatconsumptionexceedsPACCAR publishedstandards.

Failuresofbeltsandhosessupplied byP ACCARarenotcoveredbeyond therstyearfromthedateofdelivery oftheEnginetotherstpurchaser.

PACCARdoesnotwarrantantifreeze, lubricants,lters,lterelements,or anyotherpartwhichisconsidereda maintenanceitem.

PartsusedtorepairaWarrantable Failuremaybenewparts,approved rebuiltparts,orrepairedparts.

PACCARisnotresponsibleforfailures resultingfromtheuseofpartsnot approvedbyPACCAR.Anewor approvedrebuiltpartusedtorepair aWarrantableFailureassumesthe

identityofthepartitreplacedandis entitledtotheremainingcoverage hereunder.

PACCARisnotresponsiblefor damageorlossresultingfromEngine horsepower/torqueupgrades.

PACCARreservestherightto interrogateElectronicControlModule (ECM)dataforpurposesoffailure analysis.

PACCARDOESNOTCOVERWEAR ORWEAROUTOFCOVERED PARTS.

THISWARRANTYANDTHE EMISSIONWARRANTYSETFORTH HEREINAFTERARETHESOLE WARRANTIESMADEBYPACCAR INREGARDTOTHESEENGINES.

THISLIMITEDWARRANTYIS THESOLEWARRANTYMADE BYPACCARANDTHESELLING DEALER.EXCEPTFORTHEABOVE

Warranty

EXPENSES;FINES;APPLICABLE TAXESORBUSINESSCOSTSOR LOSSES;ATTORNEYS’FEES;AND ANYLIABILITYYOUMA YHA VEIN RESPECTTOANYOTHERPERSON ORENTITY .

Thiswarrantygivesyouspeciclegal rights,andyoumayalsohaveother rightswhichvaryfromstatetostate.

EmissionWarranty

ProductsWarranted

Thisemissionwarrantyappliesto newPACCAREnginesmarketed byPACCARthatareusedinthe UnitedStatesinvehiclesdesignedfor transportingpersonsorpropertyona streetorhighway.

Coverage

PACCARwarrantstotherst purchaserandeachsubsequent purchaserthattheEngineisdesigned, builtandequippedsoastoconform atthetimeofsalebyPACCARwith allU.S.Federalemissionregulations applicableatthetimeofmanufacture andthatitisfreefromdefectsin materialorfactoryworkmanshipwhich wouldcauseitnottomeetthese regulationswithinthelongerofthe followingperiods:(A)Fiveyearsor 100,000miles(160,000kilometers)of operation,whicheveroccursrst,as measuredfromthedateofdeliveryof theEnginetotherstpurchaseror(B) TheBaseEngineWarranty.

IfthevehicleinwhichtheEngine isinstalledisregisteredinthestate ofCalifornia,aseparateCalifornia EmissionWarrantyalsoapplies.

Warranty

ReplacementParts

PACCARrecommendsthatany servicepartsusedformaintenance, repairorreplacementofemission controlsystemsbeneworgenuine approvedrebuiltpartsandassemblies, andthattheenginebeserviced byanauthorizedPACCAREngine dealer.Yourvehiclecontainsair, fuel,andelectricalcomponentsthat mayaffectengineemissioncontrols. Theuseofnon-genuineengineor vehiclereplacementpartsthatarenot equivalenttothePACCARengineor OEMvehiclemanufacturer’soriginal partmayimpairtheengineandvehicle emissionscontrolsystemfromworking orfunctioningeffectively,andmay jeopardizeyouremissionswarranty coverage.

Limitations

Yoursoleandexclusiveremedy againstPACCARandtheSelling Dealerarisingfromyourpurchaseand useofthisEngineislimitedtothe repairorreplacementof“warrantable failures”atauthorizedUnitedStates andCanadianPACCAREngine Dealers,oranauthorizedPACCAR Enginefacilitywhereapplicable, subjecttoPACCAR’stime,mileage, andhourlimitationsoftheengine emissionwarranty.Themaximum time,mileageandhourlimitationsof theengineemissionwarrantybegin runningontheDateofDeliveryto theFirstPurchaser.Theaccrued time,mileage,orhoursiscalculated whentheengineisbroughtintoan AuthorizedDealerforcorrectionof warrantablefailures.

Failures,otherthanthoseresulting fromdefectsinmaterialorfactory workmanship,arenotcoveredbythis

Warranty.PACCARisnotresponsible forfailuresordamageresultingfrom whatPACCARdeterminestobe abuseorneglect,including,butnot limitedto:damageduetoaccident; operationwithoutadequatecoolantsor lubricants;overfueling;overspeeding; lackofmaintenanceoflubricating, coolingorintakesystems;improper storage,starting,warm-up,run-inor shutdownpractices;unauthorized modicationsoftheEngine.P ACCAR isalsonotresponsibleforfailures causedbyincorrectoil,fuelordiesel exhaustuidorbywater,dirtorother contaminantsinthefuel,oilordiesel exhaustuid.Failureofreplacement partsusedinrepairsduetotheabove non-warrantableconditionsisnot warrantable.

PACCARisnotresponsiblefor non-Enginerepairs,downtime expenses,cargodamage,nes,all applicabletaxes,allbusinesscosts

Warranty

orotherlossesresultingfroma WarrantableFailure.

THISLIMITEDEMISSION WARRANTYISTHESOLE WARRANTYMADEBYPACCAR RELATINGTOTHEEMISSION EQUIPMENT.EXCEPTFORTHE ABOVELIMITEDWARRANTY , PACCARMAKESNOOTHER WARRANTIES,EXPRESSOR IMPLIED.PACCAREXPRESSL Y DISCLAIMSANYWARRANTY OFMERCHANT ABILITYOR WARRANTYOFFITNESSFORA PARTICULARPURPOSE.

PACCARANDTHESELLING DEALERSHALLNOTBE LIABLEFORINCIDENTALOR CONSEQUENTIALDAMAGES INCLUDING,BUTNOTLIMITED TO:LOSSOFINCOMEORLOST PROFITS;ENGINEORVEHICLE DOWNTIME;THIRDPARTY DAMAGE,INCLUDINGDAMAGE

ORLOSSTOOTHERENGINES, VEHICLESORPROPERTY, ATTACHMENTS,TRAILERSAND CARGO;LOSSORDAMAGE TOPERSONALCONTENTS; COMMUNICATIONEXPENSES; LODGINGAND/ORMEAL EXPENSES;FINES;APPLICABLE TAXESORBUSINESSCOSTSOR LOSSES;ATTORNEYS’FEES;AND ANYLIABILITYYOUMA YHA VEIN RESPECTTOANYOTHERPERSON ORENTITY .

CaliforniaEmission ControlSystemWarranty, On-Highway

ProductsWarranted

ThisEmissionControlSystem Warrantyappliestodieselengines (hereafter,engines)certiedwith theCaliforniaAirResourcesBoard beginningwiththeyear2010, marketedbyPACCAR,andregistered inCaliforniaforuseinon-highway applications.

Warranty

YourWarrantyRightsand Obligations

TheCaliforniaAirResourcesBoard andP ACCARarepleasedtoexplain theemissioncontrolsystemwarranty onyour2010andsubsequentmodel yeardieselengine.InCalifornia, newmotorvehicleenginesmust bedesigned,built,andequippedto meettheState’sstringentanti-smog standards.PACCARmustwarrant theemissioncontrolsystemonyour dieselenginefortheperiodsof timelistedbelowprovidedtherehas beennoabuse,neglectorimproper maintenanceofyourdieselengine.

Youremissioncontrolsystemmay includepartssuchasthefuelinjection systemandengineelectroniccontrol module.Alsoincludedmaybehoses,

connectorsandotheremissionrelated assemblies.

Ifanemission-relatedpartonyour engineisfoundtohaveadefectin

materialorfactorythepartwillbe repairedorreplacedbyPACCAR. Thisisyouremissioncontrolsystem defectswarranty .

Manufacturer’sWarrantyCoverage

Thiswarrantycoverageisprovidedfor veyearsor100,000miles(160,000) kmor3,000hoursofengineoperation, whicheverrstoccursfromthedate ofdeliveryoftheenginetotherst purchaser.WhereaWarrantable Conditionexists,PACCARwillrepair yourengineatnocosttoyouincluding diagnosis,partsandlabor.

Warranty

Owner’sWarrantyResponsibilities

Astheengineowner,youare responsiblefortheperformanceofthe requiredmaintenancelistedinyour PACCAROperator’sManual.You areresponsibleforpresentingyour enginetoanauthorizedPACCAR EngineDealerassoonasaproblem exists.Thewarrantyrepairsshouldbe completedinareasonableamountof time,nottoexceed30days.

PACCARrecommendsthatyouretain allreceiptscoveringmaintenanceon yourengine,butP ACCARcannot denywarrantysolelyforthelackof receiptsorforthefailuretoensure theperformanceofallscheduled maintenance.

Astheengineowner,youshouldalso beawarethatPACCARmaydenyyou warrantycoverageifyourengineora parthasfailedduetoabuse,neglect, impropermaintenanceorunapproved modications.

Ifyouhaveanyquestions regardingyourwarrantyrights andresponsibilities,youshould contactthevehicleOEMmanufacturer atthecustomercentertelephone numberprovidedwithyourvehicle operatinginstructionsortheCalifornia AirResourceBoardat9528Telstar Avenue,ElMonte,CA91731.

Awarrantedpartwhichisscheduledfor replacementasrequiredmaintenance iswarranteduptotherstscheduled replacementpoint.

Priortotheexpirationoftheapplicable warranty,Ownermustgivenoticeof anywarrantedemissioncontrolfailure toanauthorizedPACCAREngine dealeranddelivertheenginetosuch facilityforrepair.

Ownerisresponsibleforincidental costssuchas:communication expenses,meals,lodgingincurredby OwneroremployeesofOwnerasa resultofaWarrantableCondition.

Ownerisresponsiblefordowntime expenses,cargodamage,nes,all applicabletaxes,allbusinesscosts, andotherlossesresultingfroma WarrantableCondition.

Warranty

EmissionsComponentsStatement forMXEngine(2010)Emissions EngineCoverage

Thislistofemissioncontrolpartsmay becoveredbytheEmissionControl SystemWarrantyundercertainfailure modes.

AftertreatmentSystem

•ElectronicControlUnit

•DieselOxidationCatalyst

•DieselParticulateFilter(DPF)

•SelectiveCatalyticReduction

(SCR)Catalyst

•DPFAir/FuelManifoldAssembly

•DPFFuelInjectorincludingair,

fuel,andcoolantlines

•DPFFuelPressureSensor

•DPFAirSupplyPressureSensor

•Pressureprotectionvalveand

plumbingtoDPFFuelInjector

•DPFT emperatureSensorsand

SignalConditioner

•DPFPressureSensors

•Pre-SCRT emperature

•Post-SCRT emperature

•NOxSensor

•DecompositionPipeandPipe

Elbows

•Exhaustpipingfromturbocharger

tolastaftertreatmentdevice

DieselEmissionFluid(DEF)System

•DEFTank,Heater,andassociated

plumbing

•DEFPumpModuleandassociated

plumbing

•DEFDosingModulewithInjection

Nozzleandwiringharness

•DEFLevel/TemperatureSensor

•DEFLinesandHeatingelements

•DEFLineHeaterControlRelay

•DEFTankHeaterCoolantControl

Valve

•DEFDosingECU

DashLamp

•DEFLamp

CrankcaseVentilationSystem

•CrankcaseVentilationSeparator

andassociatedplumbing

IntakeSystem

•AirIntakePipeMixer

•Pressure/Temperature/Humidity

SensorbeforeTurbocharger

•ChargeAirCoolerandassociated

plumbing

•Turbochargerandassociated

plumbing

ElectronicControlSystem

•EngineControlModule

•CoolantTemperatureSensor

Warranty

•IntakeManifoldPressureand

TemperatureSensor

•TurbochargerSpeedSensor

•ExhaustGasRecirculation(EGR)

TemperatureSensor

•EGRDifferentialPressureSensor

andassociatedplumbing

•CrankshaftSpeedSensor

•NOxSensor

•AmbientTemperatureSensor

•LambdaSensor

•ExhaustManifoldPressureSensor

•TemperatureafterTurbocharger

•VehicleSpeedSensor

•EngineOilT emperatureSensor

•WaterPumpSpeedSensor

•FuelTemperatureSensor

•PressureSensorafterExhaust

ThrottleV alve

•Wiringharnessesconnectedat

bothendstoemissionwarranty components

ExhaustGasRecirculationSystem (EGR)

•EGRV alveandassociated

plumbing

•EGRCoolerandassociated

plumbing

Engine

•ExhaustManifold

•ExhaustThrottleValveand

plumbing

FuelingSystem

•Injectors

•FuelPumpsandassociated

engineplumbing

ReplacementParts

Theownermayelecttohave maintenance,replacementorrepairof theemissioncontrolpartsperformed byafacilityotherthananauthorized

Warranty

PACCAREnginedealerandmayelect tousepartsotherthanneworgenuine approvedrebuiltpartsandassemblies forsuchmaintenance,replacement orrepair;however,thecostofsuch serviceorpartsandsubsequent failuresresultingfromsuchserviceor partswillnotbecoveredunderthis emissioncontrolsystemwarranty, exceptforEmergencyRepairsas describedbelow.

PACCARResponsibilities

Thewarrantycoveragebeginswhen theengineisdeliveredtotherst purchaser.Repairsandservicewillbe performedbyanyauthorizedP ACCAR Enginedealerusingneworgenuine approvedrebuiltpartsandassemblies. PACCARwillrepairanyoftheemission controlpartsfoundbyP ACCARto bedefectivewithoutchargeforparts orlabor(includingdiagnosiswhich resultsindeterminationthattherehas beenafailureofawarrantedemission controlpart).

EmergencyRepairs

Inthecaseofanemergencywhere anauthorizedPACCAREnginedealer isnotavailable,repairsmaybe performedbyanyavailablerepair locationorbyanyindividualusingany replacementparts.Apartnotbeing availablewithin30daysorarepair notbeingcompletewithin30days constitutesanemergency.PACCAR willreimbursetheOwnerforexpenses (includingdiagnosis),nottoexceed themanufacturerssuggestedretail priceforallwarrantedpartsreplaced andlaborchargesbasedonthe manufacturersrecommendedtime allowanceforthewarrantyrepairand thegeographicallyappropriatehourly laborrate.Replacedpartsandpaid invoicesmustbepresentedatan authorizedPACCAREnginedealer asaconditionofreimbursementfor emergencyrepairsnotperformedby anauthorizedPACCAREnginedealer.

Warranty

WarrantyLimitations

Yoursoleandexclusiveremedy againstPACCARandtheSelling Dealerarisingfromyourpurchaseand useofthisEngineislimitedtothe repairorreplacementof“warrantable failures”atauthorizedUnitedStates andCanadianPACCAREngine Dealers,oranauthorizedPACCAR Enginefacilitywhereapplicable, subjecttoPACCAR’stime,mileage, andhourlimitationsoftheengine emissionwarranty.Themaximum time,mileageandhourlimitationsof theengineemissionwarrantybegin runningontheDateofDeliveryto theFirstPurchaser.Theaccrued time,mileage,orhoursiscalculated whentheengineisbroughtintoan AuthorizedDealerforcorrectionof warrantablefailures.

PACCARisnotresponsiblefor failuresordamageresultingfrom whatPACCARdeterminestobe

abuseorneglect,including,butnot limitedto:damageduetoaccident; operationwithoutadequatecoolantsor lubricants;overfueling;overspeeding; lackofmaintenanceofcooling, lubricatingorintakesystems;improper storage,starting,warm-up,run-inor shutdownpractices;unauthorized modicationstotheengine.PACCAR isalsonotresponsibleforfailures causedbyincorrectoil,fuelordiesel exhaustuidorbywater,dirtorother contaminantsinthefuel,oilordiesel exhaustuid.Failureofreplacement partsusedinrepairsduetotheabove non-warrantableconditionsisnot warrantable.

PACCARisnotresponsibleforfailures resultingfromimproperrepairorthe useofpartswhicharenotgenuine approvedparts.

PACCARisnotresponsibleforthe materialandlaborcostsofemission controlpartsandassembliesreplaced

duringScheduledMaintenanceof theengineasspeciedinPACCAR Operator’sManuals.

THISWARRANTY ,TOGETHER WITHTHEEXPRESSCOMMERCIAL WARRANTIESARETHESOLE WARRANTIESMADEBYPACCAR INREGARDTOTHESEENGINES.

THISLIMITEDEMISSIONS WARRANTYISTHESOLE WARRANTYMADEBYPACCAR ANDTHESELLINGDEALER. EXCEPTFORTHEABOVELIMITED WARRANTY ,PACCARANDTHE SELLINGDEALERMAKENO OTHERWARRANTIES,EXPRESS ORIMPLIED.PACCARANDTHE SELLINGDEALEREXPRESSL Y DISCLAIMANYWARRANTY OFMERCHANT ABILITYOR WARRANTYOFFITNESSFORA PARTICULARPURPOSE.

PACCARANDTHESELLING DEALERSHALLNOTBE

Warranty

LIABLEFORINCIDENTALOR CONSEQUENTIALDAMAGES INCLUDING,BUTNOTLIMITED TO:LOSSOFINCOMEORLOST PROFITS;ENGINEORVEHICLE DOWNTIME;THIRDPARTY DAMAGE,INCLUDINGDAMAGE ORLOSSTOOTHERENGINES, VEHICLESORPROPERTY, ATTACHMENTS,TRAILERSAND CARGO;LOSSORDAMAGE TOPERSONALCONTENTS; COMMUNICATIONEXPENSES; LODGINGAND/ORMEAL EXPENSES;FINES;APPLICABLE TAXESORBUSINESSCOSTSOR LOSSES;ATTORNEYS’FEES;AND ANYLIABILITYYOUMA YHA VEIN RESPECTTOANYOTHERPERSON ORENTITY .

6-22

Index

CoolantRecommendationsand

Specications

checkingcoolantcondition5-18 coolingsystemsealing additives5-19 coolingsystemsolubleoils5-19 recommendedextendedlifecoolant suppliers5-19

ElectromagneticInterference

(EMI)4-6

generalinformation4-6 systemEMIradiationlevels4-7 systemEMIsusceptibility4-7

EmergencyRepairs

polyv-belt,coolantpumpdriveand fandrive5-31 removalandinstallation—poly v-belt,alternatorand

air-conditioningcompressor drive5-32 replacingbelts5-30

EngineBrakingSystem3-6

compressionbrake3-8 compressionbrakecontrols3-8 enginecompressionbrakelevel switchoperation3-10

EngineIdentication

enginecomponentlocations6-3 EPAlabel6-4

EngineOperatingRange3-6

generalinformation3-6

EngineShutdown4-6

beforestoppingtheengine4-6

EngineWarningLamps3-3

checkenginelamp3-3 checkenginelamp(CEL)3-5 dieselemissionuid(DEF) lamp3-5

dieselparticulatelter(DPF) warninglamp3-4 generalinformation3-3 highexhaustsystemtemperature (HEST)warninglamp3-5 stopenginelamp3-4

FilterSpecications

generalinformation5-13

LubricatingOilRecommendationsand

Specications

generalinformation5-16

Maintenance

200,000mi/4,500hours5-8 500,000mi/15,000hours5-8

Index-

Index

750,000mi/22,000hours5-8

MaintenanceGuidelines

generalinformation5-3

MaintenanceProcedures

inspectionoftheengineoil level5-20 replacingcoolantlter5-29 replacingengineoillters5-22 replacingfuellter5-26 startingafterthefueltankhasrun dry5-28 toppinguptheengineoil5-21

MaintenanceSchedule

160,000mi/4,800hours5-7 20,000mi/600hours,or6 months5-5 40,000mi/1,200hoursor12 months5-7 40,000mi/1,200hoursor12 months(initial)5-6 80,000mi/2,400hoursor2 years5-7 dailyorrefueling–maintenance check5-4

generalinformation5-4 oildrainintervals5-3

MaintenanceSpecications

coolantrecommendationsand specications5-17 coolingsystem5-12 enginespecications5-10 lterspecications5-13 fuelrecommendationsand specications5-13 lubricatingoilrecommendations andspecications5-16 lubricatingoilsystem5-11

OilPanDrainPlug5-20 OperatingInstructions

coldweatherstarting4-5 generalinformation4-3 normalstartingprocedure4-4 operatingtheengine4-6 startingprocedureafterextended shutdownoroilchange4-5

OperatingtheEngine

normal4-6

Safety

generalsafetyinstructions1-7 illustrations1-7 safetyalerts1-3

Warranty

Californiaemissioncontrolsystem warranty-on-highway6-15 emissionwarranty6-13 PACCARMXengine-UnitedStates andCanadacoverage6-5 UnitedStatesandCanadare apparatustruckapplications coverage6-9

Whattodoif...2-3

checkenginelampturnson2-5 engineisoverheating2-5 engineoilpressurelampturns on2-4 stopenginelampturnson2-3 youneedroadsideassistance2-3

Index-2

PACCAR MX Operator's Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Introduction

SafetyAlerts

Foreword

Illustrations

GeneralSafetyInstructions

WHATTODOIF...

YouNeedRoadside Assistance

StopEngineLampTurnsOn

EngineOilPressureLamp TurnsOn

CheckEngineLampTurns On

EngineisOverheating

OperatingInstructions

EngineWarningLamps

EngineOperatingRange

EngineBrakingSystem

OperatingInstructions

GeneralInformation

NormalStartingProcedure

ColdWeatherStarting

StartingProcedureAfter ExtendedShutdownorOil Change

OperatingtheEngine

EngineShutdown

Electromagnetic Interference(EMI)

MaintenanceGuidelines

Overview

MaintenanceSchedule

LubricatingOilSystem

CoolingSystem

FuelRecommendations

WarrantyandtheUseof BiodieselFuel

MaintenanceProcedures

OilPanDrainPlug

InspectionoftheEngineOil Level

ToppingUptheEngineOil

ReplacingEngineOilFilters

ReplacingFuelFilter

ReplacingCoolantFilter

EmergencyRepairs

EngineComponent Locations

EPALabel

Warranty

UnitedStatesandCanada PACCARMXEngine Coverage

EmissionWarranty

CaliforniaEmission ControlSystemWarranty, On-Highway

Index