Paccar PX-7 Engine Operator’s Manual Paccar PX-7 Engine Operator’s 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.

SAFETY

INTRODUCTION

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

Illustrations...................1-5

Foreword...................1-6

ImportantReferenceNumbers..........1-7

GeneralSafetyInstructions............1-9

AcronymsandAbbreviations..........1-12

UniqueOperatingCharacteristicsofanEnginewith

On-BoardDiagnostic............1-13

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!

Donotcarryadditionalfuelcontainersinyourvehicle.Fuelcontainers, eitherfullorempty ,mayleak,explode,andcauseorfeedare.Do notcarryextrafuelcontainers.Even emptyonesaredangerous.Failure tocomplymayresultindeath,personalinjury,equipmentorproperty damage.

1-3

INTRODUCTION

CAUTION

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

Example:

CAUTION

Continuingtooperateyourvehiclewithinsufcientoilpressurewill causeseriousenginedamage.Failuretocomplymayresultinequipmentorpropertydamage.

NOTE

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

Example:

NOTE

Pumpingtheacceleratorwillnotassistinstartingtheengine.

1-4

INTRODUCTION

Illustrations

GeneralInformation

Someoftheillustrationsthroughout thismanualaregenericandwill notlookexactlyliketheengineor partsusedinyourapplication.The illustrationscancontainsymbols toindicateanactionrequiredand anacceptableornotacceptable condition.

Theillustrationsareintendedtoshow repairorreplacementprocedures. Theprocedurewillbethesameforall applications,althoughtheillustration candiffer.

1-5

INTRODUCTION

Foreword

Thismanualcontainsinformationfor thecorrectoperationandmaintenance ofyourPACCARengine.Readand followallsafetyinstructions.Refer totheWARNINGinthe“General SafetyInstructions”beginningon page1-9.Keepthismanualwiththe equipment.Iftheequipmentistraded orsold,givethemanualtothenew owner.Theinformation,specications, andrecommendedmaintenance guidelinesinthismanualarebased oninformationineffectatthetimeof printing.PACCARreservestheright tomakechangesatanytimewithout obligation.

Ifyounddifferencesbetween yourengineandtheinformation inthismanual,contactyourlocal PACCARAuthorizedRepairLocation orwritetoP ACCARc/oPACCAR Engines,POBox1518,Bellevue,WA

98009.Thelatesttechnologyand thehighestqualitycomponentswere usedtoproducethisengine.When replacementpartsareneeded,we recommendusingonlygenuineparts fromPACCAR.

NOTE

Warrantyinformationincludingthe EPAandCaliforniaEmissionWarrantyislocatedinthesectionentitled“WARRANTY”onpage6-8. Makesureyouarefamiliarwiththe warrantyorwarrantiesapplicableto yourengine.

1-6

INTRODUCTION

ImportantReference Numbers

Fillinthepartnameandnumberintheblankspacesprovidedbelow .Thiswillgiveyouareferencewheneverserviceormaintenanceisrequired.

PartNameNumber

EngineModel (SeeEngineIdenticationonpage6-3.)

EngineSerialNumber(ESN) (SeeEngineIdenticationonpage6-3.)

OilType (SeeLubricatingOilRecommendationsandSpecicationsonpage5-25.)

FilterPartNumbers:

AirCleanerElement

LubricatingOil (SeeLubricatingOilRecommendationsandSpecicationsonpage5-25.)

Fuel(Useultra-lowsulfurdieselfuelonly) (SeeAcceptableT ypesofFuelsonpage5-21.)

1-7

INTRODUCTION

Coolant (SeeCoolantRecommendationsandSpecicationsonpage5-30.)

BeltPartNumbers:

1-8

INTRODUCTION

GeneralSafetyInstructions

ImportantSafetyNotice

WARNING!

Improperpractices,carelessness, orignoringanywarningsmaycause death,personalinjury,equipmentor propertydamage.

Readandunderstandallofthe safetyprecautionsandwarnings beforeperforminganyrepair.This listcontainsthegeneralsafety precautionsthatmustbefollowed toprovidepersonalsafety.Special safetyprecautionsareincludedinthe procedureswhentheyapply.

•Workareasshouldbedry,welllit,

ventilated,freefromclutter,loose tools,parts,ignitionsourcesand hazardoussubstances.Beaware ofhazardousconditionsthatcan exist.

•Wearprotectiveglassesand

protectiveshoeswhenworking.

•Rotatingpartscancausecuts,

mutilationorstrangulation.

•Donotwearloose-ttingortorn

clothing.Removealljewelrywhen working.

•Beforebeginninganyrepair,

disconnectthebattery(negative [-]cable)anddischargeany capacitors.

•Disconnecttheairstartingmotor

ifequippedtopreventaccidental enginestarting.

•Puta"DONOTOPERATE"tagin

theoperator'scompartmentoron thecontrols.

•Usethepropertoolformanually

rotatingtheengine.Donotattempt torotatethecrankshaftbypulling orpryingonthefan.Thispractice

cancausedeath,personalinjury, equipmentdamage,ordamage tothefanblade(s),causing prematurefanfailure.

•Allowtheenginetocoolbefore

slowlylooseningthecoolantller captorelievethepressurefrom thecoolingsystem.

•Alwaysuseblocksorproper

standstosupportthevehicle orvehiclecomponentsbefore performinganyservicework. Donotworkonanythingthatis supportedonlybyliftingjacksor ahoist.

•Beforeremovingordisconnecting

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

INTRODUCTION

•Alwayswearprotectiveclothing

whenworkingonanyrefrigerant linesandmakesurethatthe workplaceisinawell-ventilated area.Inhalationoffumescan causedeathorpersonalinjury. Toprotecttheenvironment, liquidrefrigerantsystemsmust beproperlyemptiedandlled usingequipmentthatprevents thereleaseofrefrigerantgas. Federallawrequirescapturing andrecyclingrefrigerant.

•Toreducethepossibilityof

personalinjury ,useahoist orgetassistancewhenlifting componentsthatweigh23kg [50lb]ormore.Ensurealllifting devicessuchaschains,hooks,or slingsareingoodconditionand areofthecorrectloadcapacity. Makesureanyliftingdevicesare positionedcorrectly .Alwaysuse aspreaderbarwhennecessary.

Theliftinghooksmustnotbe side-loaded.

•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.

•Alwaysusethesamefastener

partnumber(orequivalent)when replacingitems.Donotuse afasteneroflesserqualityif replacementsarenecessary.

•Donotperformanyrepairwhen

impaired,tired,fatiguedorafter consumingalcoholordrugsthat canimpairyourfunctioning.

•Somestateandfederalagencies

intheUnitedStatesofAmerica havedeterminedthatusedengine

INTRODUCTION

oilcanbecarcinogenicandcan causereproductivetoxicity.Avoid inhalationofvapors,ingestion, andprolongedcontactwithused engineoil.

•Liqueedpetroleumgasisheavier

thanairandcanaccumulatenear theoor,insumps,andlow-lying areas.

•Naturalgasislighterthanairand

canaccumulateunderhoodand awnings.

•Toreducethepossibilityof

suffocationandfrostbite,wear protectiveclothingandONLY disconnectnaturalgasand liqueedpetroleumgaslinesina well-ventilatedarea.

•Donotconnectthejumperstarting

orbatterychargingcablestoany ignitionorgovernorcontrolwiring. Thiscancauseelectricaldamage totheignitionorgovernor.

•Alwaystorquefastenersand

fuelconnectionstotherequired specications.Overtightening orunder-tighteningcanallow leakage.Closethemanual fuelvalvespriortoperforming maintenanceandrepairs,and whenstoringthevehicleinside.

•Coolantistoxic.Ifnotreused,

disposeofcoolantinaccordance withlocalenvironmental regulations.

•TheDieselExhaustFluidcontains

urea.Donotgetthesubstance inyoureyes.Incaseofcontact, immediatelyoodeyeswithlarge amountsofwaterforaminimum of15minutes.Avoidprolonged contactwithskin.Incaseof contact,immediatelywashskin withsoapandwater.Donot swallowinternally.Intheeventthe DieselExhaustFluidisingested, contactaphysicianimmediately.

•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.

INTRODUCTION

CAUTION

Corrosivechemicalscandamage theengine.Donotusecorrosive chemicalsontheengine.Failureto complymayresultinequipmentor propertydamage.

Acronymsand Abbreviations

GeneralInformation

Thefollowinglistcontainssomeofthe acronymsandabbreviationsusedin thismanual.

APIAmericanPetroleumInstitute

ASTM

ATS BTUBritishThermalUnit °CCelsius CARBCaliforniaAirResourcesBoard CCA C.I.D.CubicInchDisplacement CPLControlPartsList cStCentistokes DEFDieselExhaustFluid DOC DPFDieselParticulateFilter ECMElectronicControlModule EGRExhaustGasRecirculation ELCExtendedLifeCoolant EMI EPA ESN

AmericanSocietyofT estingand Materials

After-TreatmentSystem

ColdCrankingAmperes

DieselOxidationCatalyst

ElectromagneticInterference EnvironmentalProtectionAgency EngineSerialNumber

°F FMI ft-lb GVW HEST HgMercury hpHorsepower H2O ICM inHg inH2OInchesofWater km/l kPaKilopascal LT A MPa mphMilesPerHour mpq N•mNewton-meter NGNaturalGas NOx O2 OBD OEM

PID

ppm psi PTOPowerTakeoff REPTORearPowerTakeOff RGTRearGearTrain

Fahrenheit FailureModeIndentier Foot-PoundForce GrossVehicleWeight HighExhaustSystemT emperature

Water IgnitionControlModule InchesofMercury

KilometersperLiter

LowT emperatureAftercooling Megapascal

MilesPerQuart

Mono-NitrogenOxides Oxygen On-BoardDiagnostics OriginalEquipmentManufacturer ParameterIdentication

Descriptions PartsPerMillion PoundsPerSquareInch

INTRODUCTION

rpm SAE SCASupplementalCoolantAdditive SCR

SID

STC VDCVoltsofDirectCurrent VGT VSV ariableSpeed VSSVehicleSpeedSensor

RevolutionsPerMinute SocietyofAutomotiveEngineers

SelectiveCatalyticReduction SubsystemIdentication

Descriptions StepTimingControl

VariableGeometryTurbocharger

UniqueOperating CharacteristicsofanEngine withOn-BoardDiagnostic

GeneralInformation

Theenginessupportedbythis manualarerequiredtomeetHeavy DutyOn-BoardDiagnostics(OBD) regulations.EPAHDOBDisrequired forallU.S.vehicleswithagross vehicleweightover6350kg[14,000 lb].

OBDexiststomakesuretheengine isoperatingwithinemissionslimits. OBDcontinuouslymonitorstheengine andaftertreatmentsystemtodetect malfunctionsthatadverselyaffect emissions.Onceamalfunctionis detected,amalfunctionindicatorlamp (MIL)illuminatestoinformthedriver ofthemalfunctionandafaultcode, whichidentiesthelikelymalfunction, isstoredintheenginecontrolmodule (ECM).

AnOBDsystemoperatesinamanner verysimilartothetraditionalPACCAR diagnosticsystem.Bothsystems storefaultcodes,inducederateswhen requiredtoprotecttheengineand aftertreatmentfromfurtherdamage, andilluminatedashboardlamps. Thesefaultcodesareusedbythe servicechannelfortroubleshooting andrepair.

ThedifferencesbetweenanOBD systemandthetraditionalP ACCAR diagnosticsystemarethatanOBD system:

•illuminatestheMIL

•detectsdeterioratedcomponents

andsystems(notjusttotal malfunctions)

•performsmultipletripdiagnostics

Multipletripdiagnosticsare malfunctionsthatmustoccurin

INTRODUCTION

multipleconsecutivetripsbeforethe

MILisilluminated.Atripisacondition oroperatingstatetheenginemust operatefortheOBDfaultcodeto gatherinformationanddetermineifa malfunctionhasoccurred.TheMIL turnsonwhenanOBDfaultcodeis logged,andinmostcases,itrequires threetripswithoutamalfunction occurrencetoclearthelamp.

FormoreinformationontheMILand whattheoperatorshoulddowhen theMILilluminates,seeMalfunction IndicatorLamponpage3-4.

1-14

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

IftheStopEnginewarninglamp illuminates,itmeansyouhavea seriousenginesystemproblem.

WARNING!

Thisshouldbeconsideredanemergency.Y oushouldstopthevehicle assafelyaspossibleandturn"OFF" theignition.Thevehiclemustbe servicedandtheproblemcorrected beforedrivingagain.Failuretodoso mayresultinpersonalinjury,severe enginedamage,equipmentorpropertydamage.

2-3

WHATTODOIF...

EngineOilPressureLamp TurnsOn

Itisimportanttomaintainoilpressure withinacceptablelimits.Ifoilpressure dropsbelowtheminimumpsiaRed WarningLampontheoilpressure gaugeandtheStopEngineLampwill comeON.

CAUTION

Continuingtooperateyourvehiclewithinsufcientoilpressure maycausesevereenginedamage, equipmentorpropertydamage.

•Iftheoilpressurefailstorisewithin

10secondsaftertheenginestarts, stoptheengineanddeterminethe cause.

•SeeLubricatingOilSystemon

page5-17,forthecorrectoil pressurerangesforyourvehicle's engine.

•Iftheoilpressuresuddenlydrops,

ortheaudiblealarmandengine oilpressurewarninglightcomeon whiledriving,dothefollowing:

1.Slowdowncarefully .

2.Moveasafedistanceofftheroad andstop.

3.Placethetransmissionin neutralandsettheparking brake.(SeeParkingBrake ValveandOPERATINGTHE TRANSMISSIONinyour vehicleOperator'sManual, fortransmissionshiftingand parkingbrakeinformation.)

4.Turn"OFF"theengine.

5.Turn"ON"theemergencyasher anduseotherwarningdevicesto alertothermotorists.

6.Waitafewminutestoallowoil todrainintotheengineoilpan, andthenchecktheoillevel.(See InspectionoftheEngineOilLevel onpage5-3.)

7.Addoilifnecessary .Iftheproblem persists,contactanauthorized PACCARenginedealerassoon aspossible.

WHATTODOIF...

CheckEngineLampTurns On

TheCheckEngineLampturnson whenaproblemexists,butthevehicle canstillbesafelydriven.Vehicle shouldbeservicedtocorrectthe problembutthesituationshouldnotbe consideredanemergency .

EngineisOverheating

CAUTION

Thecoolingsystemmayoverheatif theenginecoolantisattheminimum level.Asuddenlossofcoolant, causedbyasplithoseorbroken hoseclampcouldalsoleadtoan overheatcondition.Alwaysinspect toensurehosesandclampsarenot cracked,worn,orloose.Failureto complymayresultinequipmentor propertydamage.

NOTE

Thesystemmayalsotemporarily overheatduringsevereoperating conditionssuchas:

•Climbingahillonahotday.

•Stoppingafterhigh-speed/highloaddriving.

•Debrisblockingairowthrough thecoolingmodule(radiator).

Iftheenginecoolanttemperature warninglampcomesonandthe audiblealarmsoundsshowingan overheatcondition,orifyouhaveany otherreasontosuspecttheengine maybeoverheating,DONOTTURN OFFTHEENGINEunlessalowwater warningdeviceindicatesalossof coolant.Followthesesteps:

1.Reduceenginespeedorstop. Whenstopped,placethe transmissioninneutralandsetthe parkingbrake.Seethevehicle operator'smanualforinstructions ontransmissionshiftingand parkingbrakeinformation.

2.Checktoensurethattheoil pressuregaugereadsnormal.

3.Increasetheenginespeedto 1,100to1,200rpmmaximumfor 2-3minutes.

4.Monitortheenginetemperature. Afterthetemperaturereturnsto

WHATTODOIF...

normal,allowtheenginetoidle 3-5minutesbeforeshuttingitoff. Thisallowstheenginetocool graduallyanduniformly .

5.Iftheoverheatingcamefrom

severeoperatingconditions,the temperatureshouldhavecooled bythistime.

6.Checkthecoolantlevelatthe coolingmodulesurgetank.

WARNING!

Removingthesurgetankllcap whiletheengineishotcanbedangerous.Neverremovethesurge tankcapwhiletheengineisstillhot; youcouldbebadlyburned.Failure tocomplymayresultindeath,personalinjury,equipmentorproperty damage.

Removingthesurgetankllcapwhile theengineistoohotisdangerous. Scaldingsteamanduidunder pressuremayescapeandcause seriouspersonalinjuries.When removingthesurgetankllcap,follow thesesteps:

1.Waituntilthecoolanttemperature isbelow122°F[50°C].

2.Protectyourface,hands,and armsbycoveringthecapwitha large,thickragtoprotectagainst escapinguidandsteam.

3.Carefullyandslowlyturnthecap oneturntoallowexcesspressure toescape,thenpushdownand turnfornalremoval.Seethe vehicleoperator'smanualfor instructionsoncheckingandlling thecoolingmodulesurgetank.

WARNING!

Toreducethechanceofpersonalinjuryand/orvehicledamagecaused byengineoverheating,neverleave theengineidlingwhenthevehicleis unattended.Iftheengineoverheats, immediateactionisrequiredtocorrectthecondition.Continuedunattendedoperationoftheengine,even forashorttime,mayresultinseriousenginedamageorare.Failure tocomplymayresultindeath,personalinjury,equipmentorproperty damage.

2-6

WHATTODOIF...

CAUTION

Donotallowyourenginetoidle, atlowrpm's(400-600rpm),longer thanveminutes.Longperiodsofidlingaftertheenginehas reachedoperatingtemperatures candecreaseenginetemperature andcausegummedpistonrings, cloggedinjectors,andpossibleenginedamagefromlackoflubrication.Thenormaltorsionalvibrations generatedbytheenginecanalso causetransmissionwear.Ifan enginemustidleforanextended periodoftime,itshouldbedoneat fastidle(1,000rpmorgreater).

NOTE

Thepowertakeoff(PTO)feature, availableonPACCARengines,can beprogrammedtoadjustengineidle speedwiththeuseofswitchesto pre-programmedsetpoints.

2-7

CONTROLS

OPERATINGINSTRUCTIONS

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

EngineOperatingRange.............3-7

EngineBrakingSystem.............3-8

3-1

OPERATINGINSTRUCTIONS

OPERATING INSTRUCTIONS

EngineWarningLamps

GeneralInformation

Thefollowingengineindicatorlamps coveronlythelampscontrolled bytheengine'sECM.Thevehicle manufacturercanprovideadditional indicatorlamps.Pleasereferto thevehicle'soperator'smanualfor additionallampinformation.

Wait-to-StartLamp

TheWAITTOSTARTlampilluminates whentheintakeairheater(gridheater) needstowarmtheintakeairpriorto startingtheengine.

TheWAITTOST ARTlamp"ON"time willvarydependingontheambientair temperature.See“NormalStarting Procedure”onpage4-4.

Forvehiclesequippedwithanengine startingmotorprotectionfeature, anotherfunctionoftheWAITTO STARTlampistoashfortwominutes ifthestartingmotorisengagedfor30 secondsormore.

TheWAITTOSTARTlampcanlook like:

•ThewordsWAITTOST ART

spelledout

•Asymbolsimilartothegraphic

illustrated

•Thecolorofthesymbolor

wordscanvary,basedonthe manufacturerofthevehicle,but willtypicallyberedoramber.

3-3

OPERATINGINSTRUCTIONS

CheckEngineLamp

TheCHECKENGINElampilluminates whentheengineneedsserviceatthe

rstavailableopportunity .

TheCHECKENGINElampisamber, andcanlooklike:

•ThewordsWARNINGorCHECK

ENGINEspelledout.

•Asymbolofanengine,similarto

thegraphicillustrated.

TheCHECKENGINElampislocated onthefaceofthetachometerand illuminateswhenaproblemexists,but thevehiclecanstillbesafelydriven. Vehicleshouldbeservicedtocorrect theproblem,butthesituationshould notbeconsideredanemergency.The

CheckEnginelampwillactivatefor severalreasons.Theseincludebutare notlimitedtoWaterinFuelandDiesel ParticulateFilter(DPF)generation required.

AnotherfunctionoftheCHECK ENGINElampistoashfor30 secondsatkeyONwhenoneofthe followingoccurs.Thisashingfunction isreferredtoastheMAINTENANCE lamp.TheMAINTENANCElampcould ashforanyofthefollowingreasons:

•Maintenancerequired(ifthe

MaintenanceMonitorisenabled)

•Water-in-fuelisdetected

•Coolantlevelislow.

MalfunctionIndicatorLamp

Illuminateswhenanengineemissions failurehasoccurred.Thevehicle canbesafelydrivenbutshouldbe servicedtocorrecttheproblem.The situationshouldnotbeconsidered anemergency.Insomecases,the MalfunctionIndicatorLampwillactivate inconjunctionwiththeHighExhaust Temperature,DieselParticulateFilter (DPF)andDieselExhaustFluid(DEF) WarningLights.

3-4

OPERATINGINSTRUCTIONS

StopEngineLamp

TheSTOPENGINElampindicates, whenilluminated,theneedtostopthe engineassoonasitcanbesafely done.Theenginemustremain

shutdownuntiltheenginecanbe repaired.

ForengineswiththeEngineProtection Shutdownfeatureenabled,ifthe STOPENGINElampbeginstoash, theenginewillautomaticallyshutdown after30seconds.TheashingSTOP enginelampalertstheoperatortothe impendingshutdown.

HighExhaustSystemT emperature (HEST)WarningLamp

HESTWarningLamp

RefertoEngineAftertreatment SystemsOperator'sManualfor additionalinformation.

DieselParticulateFilter(DPF) WarningLamp

AashingAFTERTREATMENT DIESELPARTICULATEFILTER lampindicatesthattheaftertreatment dieselparticulatelterneedstobe regeneratedatthenextpossible opportunity.Enginepowermaybe reducedautomatically.Whenthislamp isashing,theoperatorshould:

1.Changetoamorechallengingduty cycle,suchashighwaydriving,for atleast20minutes.

2.Performingastationary regeneration.

3-5

OPERATINGINSTRUCTIONS

AashingAFTERTREATMENT DIESELPARTICULATEFILTER lampcombinedwithanilluminated WARNINGorCHECKENGINElamp indicatesthattheaftertreatmentdiesel particulatelterneedsberegenerated immediately.Enginepowerwillbe reducedautomatically .

Whentheselampsareilluminated,a stationaryregenerationisrequired.

NOTE

Ifastationaryregenerationisnot performed,theSTOPENGINElamp willilluminateandthevehiclewill needtobetakentoanauthorizedrepairlocation.

RefertoEngineAftertreatment SystemsOperator'sManualfor additionalinformation.

DieselExhaustFluid(DEF)Lamp

TheAFTERTREATMENTDIESEL EXHAUSTFLUIDlampindicates, whenilluminatedorashing,thatthe dieselexhaustuidlevelislow.

AnilluminatedAFTERTREATMENT DIESELEXHAUSTFLUIDlamp indicatesthatthedieselexhaust uidlevelhasfallenbelowtheinitial warninglevel.Thiscanbecorrected byllingthedieselexhaustuidtank withdieselexhaustuid.

NOTE

Itisrecommendedthatthedieselexhaustuidtankbelledcompletely fullofdieselexhaustuidinorderto correctanyfaultconditions.

AashingAFTERTREATMENT DIESELEXHAUSTFLUIDlamp indicatesthatthedieselexhaustuid levelhasfallenbelowthecritical warninglevel.Thiscanbecorrected byllingthedieselexhaustuidtank withdieselexhaustuid.

NOTE

Itisrecommendedthatthedieselexhaustuidtankbelledcompletely fullofdieselexhaustuidinorderto correctanyfaultconditions.

AashingAFTERTREATMENT DIESELEXHAUSTFLUIDlamp combinedwithanilluminated WARNINGorCHECKENGINElamp

3-6

OPERATINGINSTRUCTIONS

indicatesthatthedieselexhaustuid levelhasfallenbelowtheinitialderate level.Theenginepowerwillbelimited automatically.Thiscanbecorrected byllingthedieselexhaustuidtank withdieselexhaustuid.

NOTE

Itisrecommendedthatthedieselexhaustuidtankbelledcompletely fullofdieselexhaustuidinorderto correctanyfaultconditions.

Allowingthedieselexhaustuid tanktobecomeemptywillcausethe aftertreatmentdieselexhaustuid dosingsystemtoloseprime.Alossof primeconditionmaycausefaultcodes tobecomeactive.

NOTE

OnOBDcertiedproducts,theMIL maybecomeilluminatedforalossof primecondition.

NOTE

Itisrecommendedthatthedieselexhaustuidtankbelledcompletely fullofdieselexhaustuidinorderto correctanyfaultconditions.

RefertoEngineAftertreatment SystemsOperator'sManualfor additionalinformation.

EngineOperatingRange

GeneralInformation

CAUTION

Operatingtheengineatfullthrottle belowpeaktorquewillshortenenginelifetooverhaul,cancauseseriousenginedamage,andisconsideredengineabuse.Donotoperate theengineatfullthrottleoperation belowpeaktorquerpmformorethan 30seconds.Failuretocomplymay resultinequipmentorpropertydamage.

3-7

OPERATINGINSTRUCTIONS

PACCARenginesaredesignedto operateatfullthrottleundermomentary conditionsdowntopeaktorqueengine speed.Thisisconsistentwith recommendedoperatingpractices.

CAUTION

Operatingtheenginebeyondthe

maximumenginespeedcancause severeenginedamage.Useproper operatingtechniquesforthevehicle topreventengineoverspeed.The maximumenginespeedspecicationislistedinthe“GeneralEngine Specications”onpage5-16.Failuretocomplymayresultinequipmentorpropertydamage.

CAUTION

Donotidletheengineforexcessivelylongperiods.Longperiods ofidling,morethan10minutes,can causepoorengineperformance.

EngineBrakingSystem VariableGeometryTurbo (VGT)BrakeSystemGeneral Information

1.SlidingNozzle

Thisenginemaybeequippedwitha variablegeometryturbocharger(VGT) withanexhaustbrakefeature.This featureallowsthevariablegeometry turbochargertoactasanexhaust brakebyretardingthespeedofthe enginetoprovideadditionalvehicle brakingpowerandextendthelife ofthevehicleservicebrakes.The

3-8

OPERATINGINSTRUCTIONS

ON/OFFfunctioniscontrolledbya switchlocatedonthedashofthe vehicle.Theengine(VGT)exhaust brakeworksbyretardingengine speedbycreatinghighexhaust backpressure.Thisbackpressure isobtainedbyrestrictingairow throughtheturbinehousingofthe turbocharger.Thisrestrictionthrough theturbinehousingoftheturbocharger iscreatedthroughpositioningofthe slidingnozzle(1)locatedinternallyto thevariablegeometryturbocharger (VGT).thepositionoftheslidingnozzle iscontrolledbytheengineelectronic controlmodule(ECM).Thisoption maynotbeavailableonyourvehicle.

WARNING!

Theexhaustbrakeisnotintended astheprimarybrakeforthevehicle, norisitanemergencybrake.The servicebrakesmustbeusedinan emergency.Relyingsolelyonthe exhaustbraketostopthevehiclein anemergencycouldcauseanaccidentandleadtopersonalinjury.The exhaustbrakeonlyhelpstheservice brakesbyusingpressuretoslowthe drivetrain.Y oumustusetheservicebrakesforquickoremergency stops.Failuretocomplymayresult indeath,personalinjury,equipment orpropertydamage.

WARNING!

Donotusetheexhaustbrakewhen operatingonsurfacewithpoortraction(suchaswet,icyorsnowcoveredroads).Retarderscancause thewheelstoskidonaslipperysurface.Y oucouldlosecontrolofthe vehicleandjacknifeifthewheels begintoskid,resultinginanaccident.Failuretocomplymayresult indeath,personalinjury,equipment orpropertydamage.

3-9

OPERATINGINSTRUCTIONS

WARNING!

Donotuseanexhaustbrakewhen drivingbobtailorwithanunloaded trailer.Theremaynotbeenough weightontherearaxletoprovide traction.Thiscouldcausealoss ofcontrolandjackkniferesultingin aninjuryaccident.Makesurethe

exhaustbrakeisswitched"OFF" whenbobtailingorwithanunloaded trailer.Failuretocomplymayresult indeath,personalinjury,equipment orpropertydamage.

NOTE

Whentheengine(VGT)exhaust brakeswitchisinthe"ON"position, theengine'selectroniccontrolmodule(ECM)monitorsinputs(suchas acceleratorpedalpositionandenginespeed).Fromtheseinputs,the ECMdetermineswhentoenablethe engine(VGT)exhaustbrakefeature whentheproperbrakingconditions arepresent.

Otherfeatures/switcheslikecruise control,canalsoaffectwhenthe engine(VGT)exhaustbrakeactivates. Formoreinformationonhowthe engine(VGT)exhaustbrakefunctions, refertovehicleoperationmanualor contactaPACCARAuthorizedRepair Location.

WARNING!

Toreducethepossibilityofpersonal injuryorpropertydamage,always bepreparedtousethevehicleservicebrakesforemergencystopping. Thesafecontrolspeedofavehicle willvarywiththesizeoftheload, thetypeofload,thegrade,andthe roadconditions.Failuretocomply mayresultindeath,personalinjury , equipmentorpropertydamage.

NOTE

Theexhaustbrakecanonlybeactivatedwhentheacceleratorpedalis atitslowidleposition.Withthethrottleatlowidleposition,fuelingcommandstothecylinderswillnotdetractfromthebrakingpowerofthe brakesystem.

3-10

OPERATINGINSTRUCTIONS

NOTE

Theengine(VGT)exhaustbrakeis designedtoassistthevehicle'sservicebrakeswhenslowingthevehicletoastop.

Vehicleservicebrakesmustalwaysbe used.Theenginebrakeisnotintended tobeusedastheprimarybrakeofthe vehicle,norisitanemergencybrake. Theengineretarderonlyhelpsthe servicebrakesbyusingpressureto slowthedrivetrain.Usetheservice brakesforquickstops.

CAUTION

Exceedinggovernedenginespeed cancauseenginedamage.Operatingtheenginebeyondthemaximumenginespeedmaycauseseriousenginedamageandisconsideredengineabuse.Usetheengine andvehiclebrakingsystemstocontrolenginespeed.

3-11

OPERATINGINSTRUCTIONS

Theoptimumbrakingpowerofthe engine(VGT)exhaustbrakeisreached atratedenginespeed.Correctgear selection,therefore,iscritical.

Typically ,onvehiclesequippedwith automatictransmissions,theengine electroniccontrolmodule(ECM)and

thetransmissionwilldeterminethe correctgearselection.

3-12

DRIVING

DRIVINGINSTRUCTIONS

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

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

ColdWeatherStarting..............4-9

StartingProcedureAfterExtendedShutdownorOil

Change...................4-9

OperatingtheEngine.............4-10

ColdWeather................4-13

EngineShutdown...............4-15

ElectromagneticInterference(EMI).......4-15

TipsforOperationonLevelandDryPavement..4-17 TipsforOperationonGradeswithDryPavement.4-18

TipsforOperationonSlickRoads........4-20

4-1

DRIVINGINSTRUCTIONS

DRIVING INSTRUCTIONS

GeneralInformation

Correctcareofyourenginewillresult inlongerlife,betterperformance,and moreeconomicaloperation.

Followthedailymaintenancechecks listedin“MaintenanceSchedule”on page5-3.

ThenewP ACCARengineassociated withthismanualdoesnotrequirea ”break-in”procedure.Thissection ofthemanualprovidesallofthe necessaryinformationrequiredfor properengineoperation.

Checktheoilpressureindicators, temperatureindicators,warninglights, andothergaugesdailytomakesure theyareoperational.

WARNING!

Combustiblevaporsneartheairintakesystemcouldbeingestedinto theengine,causingtheengineto suddenlyaccelerateandoverspeed. Thisconditioncouldresultinoperatorlosingcontrolofthevehicleifan unexpectedincreaseinenginerpm occurs.Combustiblevaporscould alsocauseare.Donotoperate yourvehicleinanareawherecombustiblechemicalsorvaporsmaybe present.Failuretocomplymayresultindeath,personalinjury,equipmentorpropertydamage.

ITISTHERESPONSIBILITYOF THEOWNERANDOPERATORTO OPERATETHEVEHICLEINASAFE ENVIRONMENT.

4-3

DRIVINGINSTRUCTIONS

NOTE

Numeroussafetydevices(ieengineshutoffdevices)areavailable tominimizetheriskofengineoverspeedingcausedbycombustible vaporsbeingingestedintotheair intakesystem.

PACCARrecommendstheinstallation ofanairintakeshutoffdeviceora similarsafetydevicetominimizethe riskofoverspeeding,ascanoccur whenthevehicleisbeingoperatedin

acombustibleenvironment,suchas fromafuelspillorgasleak.

NormalStartingProcedure

Starting

Ensuretheparkingbrakeisset"ON" andthetransmissionshiftleverisin neutral.Forautomatictransmissions thathaveparkposition,placetheshift leverinpark.

Withtheacceleratorpedalintheidle position,turnthekeyswitchtothe "ON"position.

4-4

DRIVINGINSTRUCTIONS

Idletheengine3to5minutesbefore operatingwithaload.

Withthekeyinthe"ON"position,the enginewarninglampswillcomeon momentarilyandthengoout.The enginewarninglampsinclude:

1.Checkenginelamp;amberin color.

2.STOPenginelamp;redincolor.

3.AftertreatmentDieselParticulate Filter;yellowincolor.

4.AftertreatmentDieselExhaust Fluidlamp;amberincolor.

5.MalfunctionIndicatorlamp;amber incolor.

6.HighExhaustSystem Temperature;amberincolor.

TheDEFWarningscreenisdisplayed whentheDEFFluidlevelhasreached acriticallylowlevel.Itmaybe suppressedbypushingenteronthe MCS(MenuControlSwitch).This

warningmaybeaccompaniedbythe DEFLevelinthelowrange,DEFLamp onsolidorashing,theCheckEngine lamp,theStopEnginelamp,theMIL lamp,and/orenginederate.

Ifanyofthelampsremainonorbegin toash,referto“EngineIndicator Lamps”onpage3-3.

4-5

DRIVINGINSTRUCTIONS

Undercoldconditions,theWait-to-Start lampwillilluminateatkeyon,and willstayonforaperiodofupto30 seconds.

NOTE

ThelengthoftimetheWait-to-Start lampremainsilluminateddepends ontheambienttemperature.The lowertheambienttemperature,the longerthelampwillbeilluminated.

OncetheWait-to-Startlampturnsoff, turnthekeytothestartingpositionto starttheengine.

NOTE

Someenginesareequippedwithan enginestartingmotorprotectionfeature.Ifthestartingmotorisengaged for30ormoreseconds,withoutthe enginestarting,thestarterwillbe lockedoutfromoperating,allowing forpropercoolingofthestartingmotor.Duringthistime,theWAITTO STARTlampwillashfor2minutes. Oncethelampdiscontinuesashing,thestartingmotorwillbeallowed tofunction.

NOTE

Enginesequippedwithairstarting motorsrequireaminimumof480 kPa[70psi].

CAUTION

Engagingthestartermotorformore than30secondsmaycauseit tooverheatandcandamagethe startermotor.Neverengagethe startermotorformorethan30secondsandwait2minutesbetween eachattempttostarttheengine toallowthestartermotortocool. Thiscautiondoesnotapplytoair starters.

4-6

CAUTION

Theenginemusthaveadequateoil pressurewithin15secondsafter startingtheengine.Iftheoilpressuregaugedoesnotregisterthe minimumpressure,ordropsbelow theminimumpressure,aredwarninglightinthegaugewillcomeon, awarningbuzzerwillsound,and theStopEngineLampwillcome on.Thisshouldbeconsideredan emergency.Operatingtheengine inthisconditionmaycausesevere enginedamage.Y oushouldstop thevehicleassafelyaspossible. Thevehiclemustbeservicedand theproblemcorrectedbeforedriving again.

Idletheengine3to5minutesbefore operatingwithaload.

DRIVINGINSTRUCTIONS

Afterstartingacoldengine,increase theenginespeed(rpm)slowlyto provideadequatelubricationtothe bearingsandtoallowtheoilpressure tostabilize.

4-7

DRIVINGINSTRUCTIONS

NOTE

Forenginesequippedwiththeenginewarm-upprotectionfeature; thisfeaturelimitsenginespeedand torquefollowingenginestart-upuntil sufcientoilpressureisavailableto theenginecomponents.Thisfeaturereducestheriskofenginepart damageduetooperatingatengine speedstoohighorloadsbeforeadequateoilpressureisachieved.

Someenginesareequippedwitha FastIdleWarmUpfeature.When enabled,thisfeatureelevatestheidle speedoftheengineincoldambient conditions,inordertoshortenthetime necessarytowarmuptheengine. Whentheidlespeediselevated,the enginenoisemaychange,thisis normal.T obringtheenginebackto lowidlespeed:

•Forvehiclesequippedwitha

manualtransmissionandclutch switch:Depresstheclutchpedal.

•Forvehiclesequippedwithabrake

switch:Depresstheservicebrake pedal.

•Depresstheacceleratorpedal.

FormoreinformationontheFastIdle WarmUpfeature,contactaPACCAR authorizedrepairlocation.

CAUTION

Donotoperatetheengineatlowidle forlongperiodswithenginecoolant temperaturebelowtheminimum specicationin“CoolingSystem”on page5-18.Thiscanresultinthe following:

•Fueldilutionofthelubricatingoil.

•Carbonbuildupinthecylinder.

•Cylinderheadvalvesticking.

•Reducedperformance.

Ifanenginemustidleforanextendedperiodoftime,itshould bedoneatfastidle(1,000rpmor greater)untilthecoolanttemperaturemeetsthespecication.

4-8

DRIVINGINSTRUCTIONS

ColdWeatherStarting

GeneralInformation

CAUTION

Toreducethepossibilityofdamagetothelubricatingoilpan,due tothecompositematerialsusedin themanufactureofthelubricatingoil pan,undernocircumstancesshould anexternalheatsourcebeapplied directlyorindirectlytothelubricating oilpan.

FollowtheNormalStartingProcedure inthissection.Ifequippedwithan intakeairheater,theWait-T o-Start lampwillstayonlonger.

Refertothevehicleoperator'smanual instructionsforanyadditionalcold weatherstartingprocedures.

UsingStartingAids

Thisengineisequippedwithanintake gridheatertohelpstarttheenginein coldweatherconditions.Contactyour authorizedPACCARrepairlocationfor othercoldweatherstartingaidoptions.

WARNING!

Usingstartinguidtohelpstartthe enginecouldcauseareorexplosion,resultinginpersonalinjury, propertydamageandsevereengine damage.Donotusestartinguidto startthisengine.

StartingProcedureAfter ExtendedShutdownorOil Change

GeneralInformation

FollowtheNormalStartingProcedure inthissection.Theenginewillrunat idleonlyuntiltheminimumoilpressure isdetectedbytheECM.Itcantake morecrankingtimetostarttheengine afteranextendedshutdownoroil change.

4-9

DRIVINGINSTRUCTIONS

OperatingtheEngine

Normal

Monitortheoilpressureandcoolant temperaturegaugesfrequently.Refer to“LubricatingOilSystem”onpage 5-17and“CoolingSystem”onpage 5-18forrecommendedoperating pressuresandtemperatures.Shut offtheengineifanypressureor temperaturedoesnotmeetthe specications.

Continuousoperationwithengine coolanttemperatureaboveorbelow theenginecoolanttemperature specicationslistedin“Cooling System”onpage5-18candamage theengine.

EngineOverheating

CAUTION

NOTE

Thesystemmayalsotemporarily overheatduringsevereoperations conditionssuchas:

•Climbingahillonahotday.

•Stoppingafterhigh-speed/highloaddriving.

•Debrisblockingairowthrough thecoolingmodule(radiator).

4-10

DRIVINGINSTRUCTIONS

Ifanoverheatingconditionstartsto occur,reducethepoweroutputofthe enginebyreleasingtheaccelerator pedalorshiftingthetransmission toalowergear,orboth,untilthe temperaturereturnstothenormal operatingrange.Iftheengine temperaturedoesnotreturnto normal,shutofftheengine,andrefer toTroubleshootingSymptoms,or contactaPACCARAuthorizedRepair Location.

NOTE

Iftheenginecoolanttemperature warninglampcomesonandthe audiblealarmsoundsshowingan overheatcondition,orifyouhave anyotherreasontosuspecttheenginemaybeoverheating,DONOT TURNOFFTHEENGINEunlessa lowwaterwarningdeviceindicatesa lossofcoolant.Followthesesteps:

1.Reduceenginespeedorstop. Whenstopped,placethe transmissioninneutralandsetthe parkingbrake.Seethevehicle operator'smanualforinstructions ontransmissionshiftingand parkingbrakeinformation.

2.Checktoensurethattheoil pressuregaugereadsnormal.

3.Increasetheenginespeedto aboutone-halfoffulloperating speed,or1,100to1,200rpm, maximumfor2-3minutes.

4.Returntheenginespeedtonormal idleaftertwoorthreeminutes.

5.Monitortheenginetemperature. Afterthetemperaturereturnsto normal,allowtheenginetoidle 3-5minutesbeforeshuttingitoff. Thisallowstheenginetocool graduallyanduniformly .

6.Iftheoverheatingcamefrom severeoperatingconditions,the temperatureshouldhavecooled bythistime.

7.Checkthesightgauge(glass levelindicator)onthesideofthe coolantexpansiontank.

DRIVINGINSTRUCTIONS

CAUTION

Neverleavetheengineidlingwhen thevehicleisunattended.Iftheengineshouldoverheat,immediateactionisrequiredtocorrectthecondition.Failuretotakeimmediate actionmayresultinseriousengine damage.Ifyoumustleaveyourvehicleunattended,shutdowntheengine.

Removingtheradiatorllcapwhile theengineishotcanbedangerous. Neverremovetheradiatortankcap whiletheengineisstillhot;youcould bebadlyburned.Failuretocomply mayresultindeath,personalinjury , equipmentorpropertydamage.

Removingthesurgetankllcapwhile theengineistoohotisdangerous. Scaldingsteamanduidunder pressuremayescapeandcause

WARNING!

seriouspersonalinjuries.When removingthesurgetankllcap,follow thesesteps:

1.Waituntilthecoolanttemperature isbelow122°F[50°C].

2.Protectyourface,hands,and armsbycoveringthecapwitha large,thickragtoprotectagainst escapinguidandsteam.

Takethetimetolearnwhatnormal operatingconditionsareforyour enginesothatwhenanabnormal conditionarises,youwillbeableto recognizeitassuchandtakethe appropriateaction.

Mostfailuresgiveanearlywarning. Lookandlistenforchangesin performance,sound,orengine appearancethatcanindicateservice orenginerepairisneeded.Some changestolookforare:

•Enginemisres.

•Vibration.

•Unusualenginenoises.

•Suddenchangesinengine

operatingtemperaturesor pressures.

•Excessivesmoke.

•Lossofpower.

4-12

DRIVINGINSTRUCTIONS

•Anincreaseinoilconsumption.

•Anincreaseinfuelconsumption.

•Fuel,oil,orcoolantleaks.

CAUTION

NOTE

Anidleshutdownfeature,available onPACCAREngines,canbeprogrammedtoshuttheenginedown afteraperiodoflowidlespeedoperationwithnodriveractivity.A ashingwarninglampwillinformthe driverofanimpendingshutdown. IfthetruckisequippedwithPTO equipment,theidleshutdownsystemcanbedeactivatedwhenthe PTOisoperational;however,engine lowRPMidleperiodsshouldnotexceed5minuteswheneverpossible.

NOTE

Thepowertakeoff(PTO)feature, availableonPACCARengines,can beprogrammedtoadjustengineidle speedwiththeuseofswitchesto pre-programmedsetpoints.

ColdWeather

Itispossibletooperateenginesin extremelycoldenvironmentsifthey areproperlypreparedandmaintained. Satisfactoryperformanceofan engineinlowambienttemperature conditionsrequiresmodicationof theengine,surroundingequipment, operatingpracticesandmaintenance procedures.

Thecorrectenginecoolant,lubricating oilandfuelsmustbeusedforthecold weatherrangeinwhichtheengineis beingoperated.SeetheMaintenance Sectiononpage5-3forthesecritical engineuidsrecommendationsand specications.

4-13

DRIVINGINSTRUCTIONS

ColdWeatherOperatingAids

Thefollowingcoldweatheroperating aidsarerequiredforcoldweather situations:

4-14

DRIVINGINSTRUCTIONS

EngineShutdown

BeforeStoppingtheEngine

Allowtheenginetoidle3to5minutes beforeshuttingitoffafterafull-load operation.Thisallowsadequatecool downofpistons,cylinders,bearings, andturbochargercomponents.Y ou willgreatlyincreaseitsservicelife.

NOTE

Forenginesequippedwithanelectroniccontrolmodule(ECM)ensurethekeyswitchisturnedoff foraminimumof70secondsprior todisconnectingthecontinuous (unswitched)batterypowersupply.Iftheunswitchedbatterypower supplyisdisconnectedinlessthan 70secondsafterthekeyswitchis turnedoff,activefaultcodesandincorrectECMinformationcanoccur.

TurntheignitionswitchtotheOFF position.Iftheenginedoesnot shutdown,refertoTroubleshooting Symptom(SectionTS)inthe appropriatemaintenancemanual.

CAUTION

Failuretofollowthecorrectshutdownproceduremayresultindamagetotheturbochargerandshorten theturbochargerlife.

Electromagnetic Interference(EMI)

GeneralInformation

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

4-15

DRIVINGINSTRUCTIONS

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.

4-16

DRIVINGINSTRUCTIONS

TipsforOperationonLevel andDryPavement

WARNING!

Donotusetheenginebrakewhen operatingonroadsurfaceswithpoor traction(suchaswet,icy,orsnow coveredroadsorgravel).Retarders cancausethewheelstoskidon aslipperysurface.Y oucouldlose controlofthevehicleand/orjackknifeifthewheelsbegintoskid,resultinginanaccident.Failureto complymayresultindeath,personal injury,equipmentorpropertydamage.

WARNING!

Donotuseanenginebrakewhen drivingbobtailorwithanunloaded trailer.Theremaynotbeenough weightontherearaxletoprovide traction.Thiscouldcausealoss ofcontrolandjackkniferesulting inaninjuryaccident.Makesure theenginebrakeisswitched"OFF" whenbobtailingorwithanunloaded trailer.Failuretocomplymayresult indeath,personalinjury,equipment orpropertydamage.

Toreducevehiclespeed,putthe enginebrakeON/OFFswitchinthe "ON"position.Removeyourfootfrom theacceleratorpedalandclutchpedal. Theenginebrakeswillimmediately begintooperate,slowingthevehicle.

Foroperationondryandrelativelyat surfaces,whengreaterretardingpower isnotrequired,putthetwo-position selectorswitchinthe"LOW"position.

Foroperationondrypavementwhen maximumretardingpowerisrequired, putthetwo-positionselectorswitchin the"HI"position.

4-17

DRIVINGINSTRUCTIONS

TipsforOperationonGrades withDryPavement

WARNING!

Theenginebrakeisnotintendedas theprimarybrakeforthevehicle, norisitanemergencybrake.The servicebrakesmustbeusedinan emergency.Relyingsolelyonthe enginebraketostopthevehiclein anemergencycouldcauseanaccidentandleadtopersonalinjury.The enginebrakeonlyhelpstheservice

brakesbyusingpressuretoslowthe drivetrain.Y oumustusetheservicebrakesforquickoremergency stops.Failuretocomplymayresult indeath,personalinjury,equipment orpropertydamage.

WARNING!

Donotusetheenginebrakewhen operatingonsurfacewithpoortraction(suchaswet,icy,orsnowcoveredroads).Retarderscancause thewheelstoskidonaslipperysurface.Y oucouldlosecontrolofthe vehicleandjacknifeifthewheels begintoskid,resultinginanaccident.Failuretocomplymayresult indeath,personalinjury,equipment orpropertydamage.

WARNING!

4-18

DRIVINGINSTRUCTIONS

Controlspeedisthespeedatwhich theforcespushingavehicledowna gradeareequaltotheforcesholding itback.

CAUTION

Neverexceedgovernedengine speedbecauseenginedamagecan occur.Operatingenginebeyondthe governedspeedcausesadditional strainonvalvetrainandinternalenginecomponents.Operatetheenginewithingovernedenginespeed.

NOTE

Onceyouhavedeterminedwhatthe safespeedisforyourvehicle,operatetheenginebrakeswiththetransmissioninthelowestgearthatwill notcausetheenginespeedtoexceedtheratedenginespeed.The optimumbrakingpoweroftheenginebrakesisreachedatratedenginespeed.Correctgearselection, therefore,iscritical.

Thetwo-positionselectorswitchcan beusedtovarybrakingpowerasroad conditionschange.

TheenginebrakeisNOTintendedas theprimarybrakeforthevehicle,nor isitanemergencybrake.Theengine brakeonlyhelpstheservicebrakesby usingpressuretoslowthedrivetrain. Usetheservicebrakesforquickstops.

4-19

DRIVINGINSTRUCTIONS

WARNING!

Donotdrivewithfrequentorcontinuoususeoftheservicebrakes. Thiscanoverheatthebrakesand resultinexcessiveliningwear,increasedstoppingdistances,possiblyanaccidentandmayleadto personalinjury.Beforedescending asteepgrade,shifttoalowergear, keepthevehiclespeedlow,and avoidcontinuousapplicationtothe brakes.Failuretocomplymayresult

indeath,personalinjury,equipment orpropertydamage.

NOTE

Thelongerorsteeperthehill,the moreimportantitistouseyourenginebrakes.Makemaximumuseof yourenginebrakesbygearingdown andlettingtheenginebrakesdothe work.

TipsforOperationonSlick Roads

Theoperationofanyvehicleisdifcult topredictonslickroads.Therst10 to15minutesofrainfallarethemost dangerous,asroaddirtandoilmixed withraincreateaveryslipperysurface.

Iffrequentuseofthevehicleservice brakesisrequired,itisrecommended thataslowercontrolspeedbeusedby selectingalowertransmissiongear.

4-20

DRIVINGINSTRUCTIONS

WARNING!

Donotoperatetheenginebrake whendriving/operatingyourvehicle bobtailorwithaloadedorunloaded traileronroadsurfaceswithpoor traction(wet,icy,orsnowcovered roads)orinheavytrafc.Braking causedbythenormaloperationof theenginebrakecouldcauseyou tolosecontrolofthevehicleresultinginaninjuryaccident.Failure tocomplymayresultindeath,personalinjury,equipmentorproperty damage.

Whendrivingonslickroads,start withtheON/OFFswitchinthe“OFF” positionandthetwo-positionselector switchinthe"LOW"position.

Ifyourtractorisequippedwitha twin-screwrearaxle,positionthe powerdividerswitchintheunlocked position.

Removeyourfootfromtheaccelerator pedaltomakesurethevehiclewill maintaintractionwiththeretarding poweroftheenginealone.

Ifthevehicledrivewheelsbegintoskid orifthereisashtailingmotion,donot activatetheenginebrakes.

Iftractionismaintainedusingthe retardingpoweroftheenginealone andmorebrakingpowerisrequired, switchthetwo-positionselectorswitch tothe"LOW"positionandactivate theenginebrakesbyswitchingthe ON/OFFswitchtothe"ON"position.

Ifthevehicle’sdrivewheelsbeginto skidorthereisashtailingmotion, switchtheON/OFFswitchtothe"OFF" position.

Iftractionismaintainedwhenthe enginebrakesareactivatedandmore brakingpowerisrequired,movethe two-positionselectorswitchtothe"HI" position.

DRIVINGINSTRUCTIONS

Again,ifthevehiclehaslosttractionor ifthereisashtailingmotion,switch theON/OFFswitchtothe"OFF" position.Donotattempttousethe enginebrakesinthe"HI"position.

4-22

MAINTENANCEGUIDELINES

MaintenanceSpecications

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

MaintenanceSchedule.............5-3

MaintenanceRecordForm...........5-15

GeneralEngineSpecications.........5-16

LubricatingOilSystem.............5-17

CoolingSystem................5-18

FilterSpecications..............5-19

DieselExhaustFluidRecommendationsand

Specications...............5-19

FuelRecommendations............5-21

WarrantyandtheUseofBiodieselFuel.....5-24

LubricatingOilRecommendationsandSpecications5-25 CoolantRecommendationsandSpecications..5-30

MAINTENANCE

5-1

MAINTENANCEGUIDELINES

MAINTENANCE GUIDELINES

Overview

GeneralInformation

PACCARrecommendsthatthe enginebemaintainedaccordingtothe maintenancescheduleinthissection.

Iftheengineisoperatinginambient temperaturesbelow0°F[-18°C] orabove100°F[38°C],perform maintenanceatshorterintervals. Shortermaintenanceintervalsarealso requirediftheengineisoperatedina dustyenvironmentoriffrequentstops aremade.

Someofthesemaintenance proceduresrequirespecialtools ormustbecompletedbyqualied personnel.Contactyourlocal PACCARauthorizedrepairlocationfor detailedinformation.

Ifyourengineisequippedwith acomponentoraccessorynot manufacturedbyPACCARInc,refer tothecomponentmanufacturer's maintenancerecommendations.

MaintenanceSchedule

GeneralInformation

Performmaintenanceatwhichever intervaloccursrst.

Ateachscheduledmaintenance interval,performallprevious maintenancechecksthatareduefor scheduledmaintenance.

UsetheMaintenanceRecordForm onpage5-15torecordmaintenance performedontheengine.

5-3

MAINTENANCEGUIDELINES

DailyorRefueling–Maintenance Check

•EngineLubricationOilLevel-

Check/Correct

Tocheckengineoillevel,park vehicleonlevelgroundandwait5 minutesaftershuttingoffengine.

°Removedipstickandwipeit

offwithaclean,lintfreerag.

°Reinsertdipstickallthewayin

andpullitoutagaintocheck oillevel.

°Correctoillevelisbetween

thelow(L)andhigh(H)marks

onthedipstick.

•Fuel–WaterSeparator(if

installed)-Draintrappedwater

•CrankcaseBreatherTube-Check

•AftertreatmentDieselExhaust

FluidLevel-Check

•AirIntakePiping–Inspect

°Hose/Pipecondition–

Chafng,deterioration/signs ofleaking

°Hoseclampsfortightness

°Clearancetoother

components

•AftertreatmentExhaustPiping–

Inspect

°Cracks

°Clearancetoother

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

°Hose/pipecondition–

deterioration/signsofleaking

•AirT ankandReservoirs(if

equipped)-Inspect

•CoolingFan–Inspect

°Cracks

°Clearancetoother

components

•EngineCoolantLevel–

Check/Correct

Withtheengineoffand temperaturecool:

°Checkcoolantlevel.Itshould

bevisiblethroughtheclear plasticsurgetank.

°Addcoolantasnecessaryby

removingthepressurecapon theneckofthesurgetankor sightglass.

°Replacementortopup

coolantshouldhavethesame antifreezeconcentrationand corrosioninhibitorcontent astheoriginalcoolantinthe coolingsystem.

°Neveradd100%antifreezeto

thecoolingsystem.Always

MAINTENANCEGUIDELINES

diluteantifreezetothecorrect concentrationbasedonfreeze protectionbeforeaddingitto thecoolingsystem.Adding orusing100%antifreezeina coolingsystemmayresultin coolingsystempluggingand overheatingproblems.

•DieselEmissionFluid(DEF)level

–Check/T opUp:

NOTE

ItisrecommendedtotopupDEF whenrefueling.SeeEngineAftertreatmentSystemsOperator’s ManualforDEFinformation.

•Checkforanysignsofuid

leaks

•Ensureallaccesscaps/coversare

installedandtight.

Every12,000km[7,500mi],250 Hours,or3months–Maintenance Check

•AirCleanerRestriction-

Check/Correct

°Servicelterelementwhen

aircleanerrestrictiongauge (option)locksintheextreme highposition.

°Hose/PipeCondition-

deterioration/signsofleaking

°HoseClamptorque

•ChargeAirPiping-Check/Correct

°Hose/PipeCondition-

deterioration/signsofleaking

°HoseClampsfortightness

°Clearancetoother

components

•ChargeAirCooler-Check/Correct

°Crackedtubesorheader

°Cloggedns/tubes

°Hose/PipeCondition-

deterioration/signsofleaking

°Hoseclamptorque

•Exhaustsystem-Check/Correct

°Checkforleaksandproper

support

5-5

MAINTENANCEGUIDELINES

Every24,000km[15,000mi],500 Hours,or6months–Maintenance Check

•FuelFilter(SpinOntype)-

Replace

•LubricatingOil–Change

•LubricatingOilFilters–Replace

•AntifreezeConcentration-Check

•RadiatorPressureCap-Check

•Batteries–Check

•BatteryCablesandConnections

–Check

•BatteryCondition-electrolyte

level,cracks,signsofleaking, overcharging

•Harness/Cables-loose

connections,corrosion,chang, brokenretentionclips

•BatteryHold-Downs-fortightness

•BatteryBoxMountingBolt-torque

Every48,000km[30,000mi],1000 Hours,or1Year-Maintenance Check

•DriveBelts-Check/Correct

°Beltcondition-signsof

•EngineCoolantAntifreeze-Check

wear/deterioration

°Beltalignment

•FanBeltT ensioner-

Check/Correct

°Mountingbolttorque

°T ensionermaintainsproper

belttension

•AirCompressorCarbonBuild-up

-Check/Correct

•CoolingSystem-Check

°RadiatorPressureCap-

Check

5-6

MAINTENANCEGUIDELINES

°Coolantlevel

°CoolantProtection

NOTE

Testcoolantatonceperyearto determineifthecoolantmustbereplaced.Ifitisdeterminedthatthe coolantshouldbereplaced,make suretoushthecoolantsystem. ContactaP ACCARauthorizedrepairlocationforushingthecoolant system.

Every96,000km[60,000mi],2000 Hours,-MaintenanceCheck

•CrankcaseBreatherElement-

Change

Every96,000km[60,000mi],2000 Hours,or2Years-Maintenance Check

•CoolingSystem-Drain/Flush/Fill

•EngineSteamCleaning-Clean

•AirCompressorDischargeLines

-Clean

•RadiatorHoses–Check

°Hosecondition-

deterioration/signsofleaking

°Hoseclamptorque

•CrankshaftVibrationDamper-

Check

°Damperforcracks,nicks,

gouges

°Conditionofdamperrubber

isolator

°Damperfastenertorque

5-7

MAINTENANCEGUIDELINES

Every125,000km[75,000mi],2,500 Hours,or2Years–Maintenance Check

•CrankcaseVentilationFilter–

Replace

Every241,000km[150,000mi],5,000 Hours,or4Years–Maintenance Check

•OverheadSet–Adjust

•ExhaustSystem-Change

°Replaceexhaustexpipe(s)

Every321,500km[200,000mi],6500 Hours–MaintenanceCheck

•AftertreatmentDieselParticulate

Filter(DPF)-Clean

°CompleteCleaningoflter

usingaDPFcleaningmachine

°Replacelterifnecessary

•AftertreatmentDieselExhaust

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

5-8

MAINTENANCEGUIDELINES

Every1,200,000km[750,000 mi],22,000Hours,or6years– MaintenanceCheck

•Changeextendedlifecoolant

**(Seenote3below)

NOTE

Refertothefollowingfootnotes whenreferencedinthepreceding maintenanceschedules.

1.Iftheoildrainintervalbeingused isgreaterthan24,000km[15,000 mi],asdeterminedbytheOilDrain Intervalssectionbelow,thefuel lterchangecanbeextendeduntil theoildraininterval.

2.Theoildrainintervalsarebased onanengineequippedwitha14.2 liter[15qt]capacitylubricating oilpanandanormaldutycycle. Fordetailedinformationonoil drainintervalsforaspecic application/dutycycle,refertothe

OilDrainIntervalssectionofthis procedure.

3.Aheavy-dutyextendedlife coolant(ELC)thatmeetsASTM D6210chemicalcomposition specicationsmustbeused. Thechangeintervalis750,000 miles(1,200,000km)or22,000 hoursonroaduse(8yearsor 15,000hoursoff-highwayuse) oninitialllwithnoextender added.Thechangeinterval is1,000,000miles[1,600,000 km]/20,000hours/8yearswith anextenderadditionat500,000 miles[800,000km]/10,000 hours/4years.Antifreezeis essentialforfreeze,overheat,and corrosionprotection.Theuseof supplementalcoolantadditives (SCAs)isnotrecommended.

4.Theaftertreatmentdiesel particulatelterclean/replace intervalisbasedontheuseof lubricatingoilsthatmeetthe

CumminsEngineeringStandard (C.E.S.)20081oilspecication. Ifanon-lowashlubricatingoil meetingtheAmericanPetroleum Institute(API)performance classicationCI-4/SLand/or C.E.S.20078isused,theservice intervalsfortheaftertreatment systemswillbereducedto241,000 km[150,000mi]or5000Hours.

5.Followthemanufacturers' recommendedmaintenance proceduresforthestarter , alternator,batteries,electrical components,exhaustbrake, charge-aircooler,radiator, aircompressor,aircleaner , refrigerantcompressor,andfan clutch.

5-9

MAINTENANCEGUIDELINES

OilDrainIntervals

Thelubricatingoilandlubricatingoil lterintervalcanbeadjustedbasedon application,fuelconsumption,gross vehicleweight,andidletime.

Usethefollowingquestionsto determinethemaximumrecommended oilchangeandlterchangeintervals inkilometers,miles,hours,ormonths, whichevercomesrst.

Isthevehicleoneofthoselisted below?

•EmergencyVehicle

•DeliveryTruck

•FireTruck

•SchoolBus

IfYes,selectthecorrectoildrain intervalfromT able-1.IfNo,isthe vehicleoneofthoselistedbelow?

•DumpTruck

•MixerTruck

•RefuseTruck

IfYes,selectthecorrectoildrain intervalfromT able-2.IfNo,isthe vehicleoneofthoselistedbelow?

•ShuttleBus

•TransitBus

IfYes,selectthecorrectoildrain intervalfromT able-3.

Ifthevehicleisarecreationalvehicle oravehiclethatisnotlisted,selectthe correctoildrainintervalfromTable-4.

5-10

Table-1MaximumOilDrain Intervals

MAINTENANCEGUIDELINES

(IftheVehicleMeetsAnyofTheseConditions)

Averagefueleconomyislessthan2.98km/liter[7.0mpg],oridletimeis 40percentorgreater,orvehicleoperatesindustyareas,orgrossvehicle weightisgreaterthan20,865kg[46,000lbs].

Vehicleusesthesevere-dutyoildraininterval(A).Vehicleusesthenormal-dutyoildraininterval(B).

14.2liter[15qt]oilpan:14,500km[9000mi],500hours,6months,or 7571liters[2000USgal]offuel,whicheveroccursrst.

(A)SevereDuty

(IftheVehicleMeetsAllofTheseConditions)

Averagefueleconomyisgreaterthan2.98km/liter[7.0mpg],andgross vehicleweightislessthan20,865kg[46,000lbs].

14.2liter[15qt]oilpan:24,000km[15,000mi],500hours,6months,or 7571liters[2000USgal]offuel,whicheveroccursrst.

(B)NormalDuty

Table-2OilDrainIntervals

DumpTruck,Mixer,orRefuseT ruck

Below10mphaverage4,8503,000500

10to15mphaverage9,6506,000500

KilometersMilesHoursMonths

5-11

MAINTENANCEGUIDELINES

15to20mphaverage13,7508,500500

20to25mphaverage14,5009,000500

Above25mphaverage19,00012,000500

5-12

Table-3OilDrainIntervals

MAINTENANCEGUIDELINES

ShuttleBusorTransitBus

Table-4OilDrainIntervals

KilometersMilesHoursMonths

2to4mphaverage2,4001,5005006

4to6mphaverage4,8503,0005006

6to8mphaverage6,4504,0005006

8to10mphaverage8,0505,0005006

10to15mphaverage9,6506,0005006

ApplicationKilometersMilesHoursMonths

RecreationVehicle24,00015,00050012

TruckCrane

YardSpotter

AllOthers

14,5009,0005006

5-13

MAINTENANCEGUIDELINES

PACCARbasesitsoildrain specicationsondutycycleand oilcontamination.Thiscontamination occursinallenginesatvaryingrates regardlessofdesign.

Maintainingthecorrectoilandlter changeintervalisavitalfactorin preservingtheintegrityofanengine. Filtersmustbechangedwhentheoil ischanged.

5-14

MaintenanceRecordForm

MAINTENANCEGUIDELINES

EngineSerialNo. Owner’sName:EquipmentName/No.

Date

km[Miles],Hours,

orTimeInterval

Actualkm[Miles]

orHours

MaintenanceCheck

Performed

EngineModel:

CheckPerformed

Comments

5-15

MaintenanceSpecications

Maintenance Specications

GeneralEngine Specications

Horsepower FiringOrder CrankshaftRotation(viewedfromfrontofengine)Clockwise Displacement BoreandStroke ApproximateDryWeight(withoutstandardaccessories)

OverheadAdjustment

MaximumOverspeedCapability(15secondsmaximum) MinimumAmbientTemperatureforUnaidedColdStart-12.2°C[-10°F] TypicalEngineCrankingSpeed EngineIdleSpeed

IntakeValveAdjustment0.254mm[0.010in.]

ExhaustValveAdjustment0.660mm[0.026in.]

5-16

Seeenginedataplate. 1-5-3-6-2-4

6.7liters[409in³] 107mm[4.21in.]×124mm[4.88in.] 522kg[1,151lb]

4,200rpm

120rpm Minimum700rpmtomaximum900rpm

LubricatingOilSystem

MaintenanceSpecications

OilPressure

OilRegulatingV alveOpeningPressureRange

OilFilterDifferentialPressuretoOpenBypass345kPa(50psi) LubricatingOilFilterCapacity0.950liters(1qt)

LubricatingOilCapacityof StandardEngine

MaximumOilT emperature138°C(280°F)

AtLowIdle(minimumallowable) AtRoadSpeed(minimumallowable)

StandardOilPan

PanOnly14.2liters(15qt) TotalSystem16.7liters(17.6qt) HightoLow(ondipstick)1.9liters(2qt)

69kPa[10psi] 207kPa[30psi] 448kPa(65psi)to517kPa

(75psi)

5-17

MaintenanceSpecications

CoolingSystem

CoolantCapacity(engineonly)11.5liters(3.0gal) StandardModulatingThermostatRange86to97°C(186to207°F) MinimumRecommendedPressureCap103kPa(15psi) MaximumRecommendedPressureCap172kPa(25psi) MinimumRecommendedOperatingT emperature71°C(160°F) MaximumAllowedOperatingT emperature107°C(225°F)

WARNING!

Coolantistoxic.Donotgetthe uidineyes.Ifcontactwiththe eyesoccurs,oodeyeswithlarge amountsofwaterfor15minutes. Avoidprolongedorrepeatedcontact withskin.Incaseofcontact,immediatelywashskinwithsoapand water.Donottakeinternally.If

swallowed,seekimmediatemedicalattention.Donotinducevomiting.Failuretocomplymayresultin death,personalinjury,equipmentor propertydamage.

5-18

NOTE

Coolantisharmfultotheenvironment.Unusedcoolantmustbe storedasatoxichazardousmaterialinleakproofcontainers.Used coolantmustbeprocessedasindustrialchemicalwaste.Please followHAZMATguidelineswithboth usedandunusedcoolants.

MaintenanceSpecications

FilterSpecications

GeneralInformation

Fleetguardltersarestandardon newPACCARengines.PACCAR recommendstheiruse.

FleetguardproductsmeetallP ACCAR teststandardstoprovidethequality ltrationnecessarytoachievethe engine'sdesignlife.Ifotherbrands aresubstituted,thepurchasershould ensurethelterspecicationmeetor exceedtheFleetguardspecications.

PACCARcannotberesponsiblefor problemscausedbynon-genuinelters thatdonotmeetP ACCARperformance ordurabilityrequirements.

LubricatingOilFilter

FilterPartNumbers

Fleetguard®Part Number FuelFilter (secondary,pressure side)Fleetguard® PartNumber (SquareDriveBase) FuelFilter (secondary,pressure side)Fleetguard® PartNumber (HexDriveBase)

FuelFilter(primary, suctionside,with water-in-fuelsensor) Fleetguard®Part Number

CrankcaseBreather ElementFleetguard® PartNumber (RockerLeverCover Mounted)

CrankcaseBreather ElementFleetguard® PartNumber (RearEngine Mounted)

AftertreatmentDEF DosingUnitFilterPart Number

DieselExhaustFluid Recommendationsand

LF9104

FF63008

FF63009

FS1065

CV5200100

CV5060700

2880298

Specications

WARNING!

Itisunlawfultotamperwithorremoveanycomponentoftheaftertreatmentsystem.ItisalsounlawfultouseaDieselExhaustFluid (DEF)thatdoesnotmeetthespecicationsprovidedortooperatethe vehicle/equipmentwithnoDiesel ExhaustFluid(DEF).

5-19

MaintenanceSpecications

WARNING!

DieselExhaustFluid(DEF)contains urea.Donotgetthesubstance inyoureyes.Incaseofcontact, immediatelyusheyeswithlarge amountsofwaterforaminimumof 15minutes.Donotswallowinternally.Intheeventthedieselexhaust uidisingested,contactaphysician immediately.ReferencetheMaterialsSafetyDataSheets(MSDS) foradditionalinformation.Failureto complymayresultinpersonalinjury.

CAUTION

NeverattempttocreateDieselExhaustFluidbymixingagricultural gradeureawithwater.Agricultural gradeureadoesnotmeetthenecessaryspecicationsrequiredand theaftertreatmentsystemmaybe damaged.Failuretocomplymay resultinequipmentdamage.

NOTE

Somelocationsmayreferencethe DIN70070standard.DieselExhaustFluidspecicationlimitsof thisstandardareidenticaltoISO 22241-1.SeetheEngineAftertreatmentSystemsOperator'sManual forfurtherinformationonDieselExhaustFluid.

PACCARInc.isnotresponsiblefor failuresordamageresultingfrom whatP ACCARInc.determinestobe abuseorneglect,includingbutnot limitedto:operationwithoutcorrectly speciedDieselExhaustFluid;lack ofmaintenanceofaftertreatment; improperstorage,orshutdown practices;unauthorizedmodications oftheengineandaftertreatment. PACCARInc.isalsonotresponsible forfailurescausedbyincorrectDiesel ExhaustFluidorbywater,dirtorother contaminantsintheDieselExhaust

Fluid.SeetheEngineAftertreatment SystemsOperator'sManualforfurther informationonDieselExhaustFluid.

MaintenanceSpecications

FuelRecommendations

WARNING!

Theuseofdieselfuelthathasbeen mixedwithotherfuelsmaycause anexplosion.Donotmixgasoline,alcohol,orgasoholwithdiesel fuel.Makesureyouknowyourfuel sourceandusetherecommended dieselfuelasindicatedinthissectionofthemanual.Failuretocomply mayresultindeath,personalinjury , equipmentorpropertydamage.

CAUTION

Dirtorwaterinthefuelsystemcan causeseveredamagetoboththe fuelpumpandthefuelinjectors. Duetotheprecisetolerancesof dieselinjectionsystems,itisextremelyimportantthatthefuelbe keptcleanandfreeofdirtorwater. Knowyourfuelsourceandmake sureallstepsaretakenfordispensingorusingcleanfuelinyourvehicle.Failuretocomplymayresultin equipmentorpropertydamage.

CAUTION

Lighterfuelcanreduceeconomyor possiblydamagefuelsystemcomponents.Lighterfuelstypicallydo nothaveenoughlubricityelements inthefueltoproperlylubricatethe fuelinjectionsystem.Besureyou followthefuelrecommendationsas indicatedinthissectionofthemanual.Failuretocomplymayresultin equipmentorpropertydamage.

CAUTION

Usingdieselfuelsblendedwithlubricantsmaycausedamagetoyour exhaustaftertreatmentsystem.Serviceintervalsforaftertreatmentsystemswillbereduced.Donotuse dieselfuelblendedwithlubricating oilinenginesequippedwithanaftertreatmentsystem.Failuretocomplymayresultinequipmentorpropertydamage.

5-21

MaintenanceSpecications

CAUTION

Donotusehigh-sulfurdieselfuelas itwilldamagetheexhaustaftertreatmentsystem.Also,theenginewill notmeetemissionregulations.Use onlyultra-low-sulfurdiesel(ULSD) fuel.Failuretocomplymayresultin equipmentorpropertydamage.

CAUTION

Ifultra-low-sulfurdieselfuelisnot used,theenginemaynotmeet emissionregulations,anddamage mayoccurtotheexhaustaftertreatmentsystem.Theuseofhigh-sulfur dieselfuelwilldamagetheexhaust aftertreatmentsystemandimpact theengineemission.Ultra-low-sulfurdieselfuelisrequiredforcorrectoperationoftheaftertreatment system.Theenginehasbeenoptimizedforusewithanaftertreatment systemtomeetthe2013U.S.EnvironmentalProtectionAgencyregulations.Failuretocomplymayresult inequipmentorpropertydamage.

NOTE

Theenginehasbeenoptimizedfor usewithanaftertreatmentsystem togetherwithULSDfueltomeetthe 2013U.S.EnvironmentalProtection Agency(EP A)regulations.

Ultra-lowsulfurdieselfuelisdened asdieselfuelnotexceeding0.0015 [15ppm]masspercentsulfurcontent (ultra-lowdieselfuelisalsodenedby ASTMS-15).Therearenoacceptable substitutes.

PACCARrecommendstheuseof ASTMnumber2Dfuel.Theuseof number2dieselfuelwillresultin optimumengineperformance.

Atoperatingtemperaturesbelow0°C [32°F],acceptableperformancecan beobtainedbyusingblendsofnumber 2Dandnumber1D.

Thefollowingchartlistsacceptable typesoffuelsforthisengine.

5-22

MaintenanceSpecications

Number1D

Diesel

OKOKNOTOKNOTOKNOTOKNOTOKNOTOKNOTOKNOTOKNOTOK

48-34

1.Anyadjustmenttocompensateforreducedperformancewithafuelsystemusingalternatefuelisnotwarrantable.

2.Winterblendfuels,suchasfoundatcommercialfueldispensingoutlets,arecombinationsofnumber1Dandnumber2Ddieselfueland areacceptable.

3.BTUContent/DegreeAPIGravity-LowAPIgravityfuelshaveahigherthermalenergycontent(BTU).Asageneralrule,thereisa3to5 percentdecreaseinBTUcontentforevery10degreeincreaseinAPIgravity,thereisalsoa0.7degreeAPIgravityincreasewithan increaseinfueltemperature.Thisdecreaseinenergycontentequatesroughlytothesamepercentageofpowerloss.Useoffuelswith higherAPIgravitywillcausehigherthannormalfuelconsumption.

Number2D

(1)(2)

Diesel

(3)

40-24

Number1K

(2)

Kerosene

(3)

50-35

Jet-AJet-A1JP-5JP-8Jet-BJP-4

51-37

AcceptableTypesofFuels

(3)

51-37

(3)

48-36

(3)

51-37

(3)

57-45

(3)

57-45

NOTE

PACCARrecommendsthatthe cetanenumberofdieselfuelbea minimumof45forenginesthatare expectedtooperateattemperatures below0°C[32°F]andaminimumof 42forenginesthatareoperatedat temperaturesabove0°C[32°F].

NOTE

Usingdieselfuelwithalowerthan recommendedcetanenumbercan causehardstarting,instability,and excessivewhitesmoke.T omaintain satisfactoryoperationatlowambient temperatures,itisimportanttospecifydieselfuelofthecorrectcetane number.

PACCARrequiresallpermissible fuelstohaveadequatefuellubricity.ThismeanstheBOCLEnumber is3100orgreaterasmeasuredby ASTMspecicationD6078,ScuffingLoadBallOnCylinderEvaluator (SLBOCLE).Lubricitycanalsobe measuredbyASTM,specication

NOTE

D6079,ISO12156,HighFrequency ReciprocatingRig(HFRR)inwhich thefuelmusthaveawearscardiameterof0.45mm[0.02in]orless.

CITE

(3)

5-23

MaintenanceSpecications

NOTE

Forinformationonalternativefuels, suchasbiodiesel,andadditionalinformationforfuelrecommendations andspecications,pleasereferto theFuelforP ACCAREngines,Bulletin3379001.

WarrantyandtheUseof BiodieselFuel

PACCARIncapprovestheuseof biodieselfuelblendsupto5%by volumeindieselfuelthatmeetsallof thefollowingthreeconditions:

•Thebiodieselusedintheblend

meetsASTMStandardD6751or EN14214specications.

•Thebiodieselusedintheblend

issourcedfromaBQ-9000 AccreditedProducer.

•Thenishedblendmeetsthefuel

propertiesofASTMStandardD 975orEN590specications.

Theuseofapprovedbiodieselfuel doesnotaffectthePACCARengine warranty.

Failurescausedbytheuseof non-approvedbiodieselfuelsorother fueladditivesthatareofunacceptable qualityordonotmeetspecied industrystandardsarenotconsidered asdefectsofpartsorworkmanship byPACCARandthereforewillnot becoveredbythePACCARengine warranty.

MaintenanceSpecications

LubricatingOil Recommendationsand Specications

GeneralInformation

CAUTION

Extendingtheoilandlterchange intervalbeyondtherecommendationswilldecreasetheenginelife duetofactorssuchascorrosion, deposits,andwear.Engineoillters capturedirtandremovedeposits fromtheoiltoprolongthelifeofinternalmovingcomponents.Follow theoilandlterchangeintervals asrecommendedinthissectionof themanual.Failuretocomplymay resultinequipmentorpropertydamage.

Theuseofqualityenginelubricating oils,combinedwithappropriateoil drainandlterchangeintervals,isa criticalfactorinmaintainingengine performanceanddurability.Extending theoilandlterchangeintervalbeyond therecommendationswilldecrease enginelifeduetofactorssuchas corrosion,deposits,andwear.Refer to“OilDrainIntervals”onpage5-11 todeterminewhichoildrainintervalto useforanapplication.

NOTE

Itistheownersresponsibilityto correctlyfollowlubricatingoilrecommendations.Ifrecommendations areignored,theenginewarranty couldbeaffected.

API:AmericanPetroleumInstitute CES:CumminsEngineering Standard

PACCARallows,formidrange applications,theuseoflubricating oilsthatmeetorexceedCES20078 orCES20081withnochangein oildraininterval.But,ifanon-low ashlubricatingoilmeetingthe CumminsEngineeringStandard (CES)classicationCES20078is used,theserviceinterval(s)forthe aftertreatmentsystemwillbereduced.

5-25

MaintenanceSpecications

Todetermineifthelubricatingoilmeets CES20078orCES20081,reviewthe labelonthebackofthelubricatingoil bottlefortheCES20078orCES20081 reference.Ifacquiringthelubricating oilinbulk,contactthesupplierfor thelubricatingoilspecicationsand conrmthattheoilmeetsCES20078 orCES20081.

Alsolocatedonthelubricatingoil bottleistheAPIservicesymbolwhich isshownintheillustration.The upperhalfofthesymboldisplaysthe appropriateoilcategories.Thecenter sectionidentiestheSAEoilviscosity

grade.

Thefollowingtableshowshowthe CumminsEngineeringStandard(CES) comparestotheAmericanPetroleum Institute(API)classication.

MaintenanceSpecications

CumminsEngineStandard Classication(CES)

CES-20071 CES-20072 CES-20076 CES-20077

CES-20078CI-4/SL

CES-20081CJ-4/SL

NOTE

Alubricatingoilthatmeetsthe AmericanPetroleumInstitute(API) performanceclassicationCJ-4/SL maynotmeettheCES20081requirement.Alwaysmakesurethe lubricatingoilusedmeetstheCES 20081requirementinadditionto theAPIperformanceclassication CJ-4/SL.

PACCARrecommendstheuseof high-qualitySAE15W-40heavy-duty engineoil.

AmericanPetroleumInstitute Classication(API)

APICH-4/SJ

TheprimaryPACCAR recommendationisfortheuseof 15W-40multigradelubricatingoil fornormaloperationatambient temperaturesabove-15°C[5°F]. Theuseofmultigradeoilreduces depositformation,improvesengine crankinginlowtemperatureconditions andincreasesenginedurabilityby maintaininglubricationduringhigh temperatureoperatingconditions. Sincemultigradeoilshavebeenshown toprovideapproximately30percent loweroilconsumptioncomparedwith

Comments

Notrecommended.Lubricatingoildrain

intervalmustbereducedby50%. Aftertreatmentmaintenanceintervalwillbe reduced.

Aftertreatmentmaintenanceintervalwillbe reduced.

Maximumaftertreatmentmaintenance interval.Nochangeinlubricatingoildrain interval.

monogradeoils,itisimportantto usemultigradeoilstobecertainthe enginewillmeetapplicableemissions requirements.

Useof"syntheticengineoils"(those madewithAPIgroup3orgroup4 basestocks)ispermittedsubjectto thesameperformanceandviscosity limitationsofpetroleum(mineral) basedengineoils.Thesameoil changeintervalsmustbeapplied tosyntheticoilsthatareappliedto petroleum(mineral)basedengineoils.

MaintenanceSpecications

1.AllSeasons

2.AllSeasons

3.WinterConditions

4.WinterConditions

5.ArcticConditions

Whilethepreferredviscositygradeis

15W-40,lowerviscositymultigradeoils canbeusedincolderclimates.See theaccompanyingchart.Anyviscosity gradelowerthan15W-40muststill meetCES20081.

Syntheticengineoils,APIGroup IIIandGroupIVbasestocks,are recommendedforuseinP ACCAR

enginesoperatinginambient temperatureconditionsconsistently below-25°C[-13°F].Synthetic0W-30 oilsthatmeettherequirementsofAPI GroupIIIorGroupIVbasestocks, canbeusedinoperationswherethe ambienttemperatureneverexceeds 0°C[32°F].Multiviscosityoilsrated 0W-30donotofferthesamelevelof protectionagainstfueldilutionasdo highermultigradeoils.Highercylinder wearcanbeexperiencedwhenusing 0W-30oilsinhigh-loadsituations.

Astheseoilshavedirectionallythinner oillmsthan15W-40oils,top-quality Fleetguard®ltersmustbeused above20°C[70°F].Someoilsuppliers mightclaimbetterfueleconomyfor theseoils.PACCARcanneither approvenordisapproveanyproduct notmanufacturedbyPACCAR.These claimsarebetweenthecustomerand oilsupplier.Obtainacommitmentfrom theoilsupplierthattheoilwillgive

satisfactoryperformanceinP ACCAR enginesordonotusetheoil.

5-28

MaintenanceSpecications

NewEngineBreak-InOils

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

CAUTION

Asulfatedashlimitof1.85percent hasbeenplacedonallenginelubricatingoilsrecommendedforusein PACCARengines.Higherashoils cancausevalveand/orpistondamageandleadtoexcessiveoilconsumption.Failuretocomplymayresultinequipmentdamage.

CAUTION

Theuseofasynthetic-baseoildoes notjustifyextendedoilchangeintervals.Extendedoilchangeintervals candecreaseenginelifeduetofactorssuchascorrosion,deposits,and wear.Failuretocomplymayresultin equipmentdamage.

Additionalinformationregarding lubricatingoilavailabilitythroughout theworldisavailableintheEMA LubricatingOilsDataBookfor Heavy-DutyAutomotiveandIndustrial Engines.Thedatabookcanbe orderedfrom:EngineManufacturers Association,TwoNorthLaSalleStreet, Chicago,IL60602;(312)827-8733, (www.enginemanufacturers.org).

AftermarketOilAdditiveUsage

PACCARdoesnotrecommendtheuse ofaftermarketoiladditives.T oday's high-qualityenginelubricatingoils areverysophisticated.Mostoils alreadycontainpreciseamountsof additivesblendedintothelubricating oiltomeetstringentperformance requirements.Thesefurnishedoils meetperformancecharacteristics thatconformtothelubricantindustry standards.Aftermarketlubricatingoil additivesarenotnecessarytoenhance engineoilperformanceandinsome casescanreducethefurnishedoil's capabilitytoprotecttheengine.

5-29

MaintenanceSpecications

CoolantRecommendations andSpecications FullyFormulated Coolant/Antifreeze

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].

Good-qualitywaterisimportant forcoolingsystemperformance. Excessivelevelsofcalciumand

magnesiumcontributetoscaling problems,andexcessivelevelsof chloridesandsulfatescausecooling systemcorrosion.

WaterQuality

CalcuimMagnesium

(hardness)

Chloride40ppmas(Cl)

Sulfur100ppmas(SO4)

Maximum170ppm as(CaCO

+MgCO

Fullyformulatedantifreezemustbe mixedwithgoodqualitywaterata 50/50ratio(40-to60-percentworking range).A50/50mixtureofantifreeze andwatergivesa-36°C[-33°F] freezingpointanda108°C[226°F] boilingpoint,whichisadequatefor locationsinNorthAmerica.Theactual lowestfreezingpointofethyleneglycol antifreezeisat68percent.Using higherconcentrationsofantifreezewill raisethefreezingpointofthesolution andincreasethepossibilityofasilica gelproblem.

PACCARvehicleengine-cooling systemsarelledwithfullyformulated extended-lifecoolant(ELC).

PACCARrecommendstheuseoffully formulatedextendedlifecoolantthat

)

meetstherequirementsofCummins EngineeringStandard(C.E.S.)14603 fortopoffandservice.

MaintenanceSpecications

IfthereplacementcoolantisChevron Texaco,ShellRotellaortheirprivate labelcounterpartswhichdonotmeet theelastomercompatibilitysection ofCES14603,thecoolantmustbe treatedbyadding0.24liter[8oz] ofliquidsilicateuidforevery45 liters[12gal]oftotalcoolantsystem volume.Itiscriticaltonotover treatthecoolantwithsilicateuid.If overtreatmentissuspected,drainthe coolingsystemanddiscardthelter. Cleanthecoolingsystemimmediately. Symptomsofsilicateover-treatment canbethickenedcoolantinthelower radiatortank,waterpumpsealleakage soonaftersilicateaddition,reduced heateroutputand/orelevatedengine temperatures.

Toobtainorderformsoraskquestions relativetoorderingthesilicateuid, contact:

SilicateFluidOrderProgram

P .O.Box27388 Houston,TX77277-7388

Phone:800-346-9041

Fax:800-876-5317

IfthereplacementcoolantisChevron Texaco,ShellRotellaortheirprivate labelcounterpartsthecoolantmustbe replacedwithnewcoolantwhenever theengineisoverhauledorrepairs involvethereplacementofthe followingcomponents:

•Rockerleverhousinggasket.

•Lubricatingoilcoolerhousing

gasket.

•Cylinderheadgasket.

•Thermostathousinggasket.

Forfurtherdetailsofenginecoolant forPACCARPX-7engines,referto CumminsCoolantRequirementsand MaintenanceBulletin3666132.

MaintenanceSpecications

CheckingCoolantCondition

ToensuretheExtendedLifeCoolant (ELC)inyourvehiclealwaysprovides maximumfreezeprotection,perform thefollowingtests:

1.Checkthecoolantcoloratevery maintenanceinterval.Itshouldbe abrightredwithnosignsofdebris oranyoil.

2.Testthefreezepointatleasttwo timesayear.Arefractometeror teststripscanbeusedtomeasure theprotectionlevel.

3.Keepthecoolingsystematfull

levelsbytopping-upusingELC pre-dilutedto50/50blend.

5-32

Arefractometermustbeusedto measurethefreezingpointofthe coolantaccurately .UseFleetguard® refractometer,PartNumberC2800.

MaintenanceSpecications

RecommendedExtendedLife CoolantSuppliers

BrandName

TRP

AuthorizedPACCAR

CAUTION

Supplier

EngineDealer

Donotuseaoatingballhydrometer.Theuseofoatingballhydrometerscangiveanincorrectreading. Usingaoatingballhydrometer fortestingthefreezingpointofthe coolantisaninaccuratetestand willcauseafalsereadingofthe coolantfreezingpoint.Usearefractometertoobtainanaccuratetestof thecoolantfreezingpoint.Failure tocomplymayresultinequipment damage.

CoolingSystemSealingAdditives

5-33

MaintenanceSpecications

CAUTION

Theuseofsealingadditivesinthe coolingsystemwillcausedamageto theengine.Sealingadditivescan plugvariousareasoftheradiator, EGRsystemandoilcooler.The pluggingofthecoolingsystemcan hamperheattransfer,causinginternalenginedamage.Donotuse sealingadditivesinthecoolingsystem.Theuseofsealingadditives can:

•Buildupincoolantlow-owareas.

•Plugtheradiatorandoilcooler.

•Damagethewaterpumpseal.

Failuretocomplymayresultin equipmentdamage.

CoolingSystemSolubleOils

CAUTION

Theuseofsolubleoilsinthecooling systemcancausedamagetotheengine.Solubleoilsinthecoolingsystemcan:

•Damageheattransfersurfaces.

•Damagesealsandhoses.

•Corrodebrassandcopper.

Failuretocomplymayresultin equipmentdamage.

5-34

ENGINEIDENTIFICATION

EngineDataplate................6-3

FuelInjectionPumpDataplate..........6-4

EngineControlModuleDataplate.........6-5

PACCAREngineNomenclature..........6-5

AirCompressor.................6-6

VariableGeometryTurbocharger.........6-6

PACCAREngineT echnology...........6-7

Warranty

PACCARPX-7EngineUnitedStatesandCanada

Coverage..................6-8

UnitedStatesandCanadaFireApparatusTruck

ApplicationsCoverage............6-12

EmissionWarranty..............6-16

CaliforniaEmissionControlSystemWarranty,

On-Highway................6-18

INFORMATION

6-1

ENGINE IDENTIFICATION

EngineDataplate

Theenginedataplateprovides importantfactsabouttheengine. Theengineserialnumber(ESN) andcontrolpartslist(CPL)provide informationforserviceandordering parts.Theenginedataplatemust notbechangedunlessapprovedby PACCARInc.

Thedataplateislocatedonrocker levercoverasillustrated.

Havethefollowingenginedata availablewhencommunicatingwitha PACCARAuthorizedRepairLocation:

1.EngineSerialNumber(ESN)

2.Enginemodelinformation

3.ControlPartsList(CPL)

4.ValveLash

5.Horsepowerandrpmrating

ENGINEIDENTIFICATION

6-3

ENGINEIDENTIFICATION

1.Dataplate

2.ESN

Iftheenginedataplate(1)isnot readable,theESN(2)canbe foundontheengineblockontop ofthelubricatingoilcoolerhousing. Additionalengineinformationison theelectroniccontrolmodule(ECM) dataplate.

FuelInjectionPump Dataplate

TheBoschfuelinjectionpump dataplateislocatedonthefuelpump.

Thedataplatecontainsthefollowing informationtoassistinservicingor replacement:

•Pumpserialnumber

•PACCARpartnumber

•Factorycode

•Boschpartnumber

•Datecode

6-4

ENGINEIDENTIFICATION

EngineControlModule Dataplate

NOTE

NotallengineshaveECMdataplates.

Enginescoveredbythismanual areequippedwithaCM2350ECM. ACM2350ECMhastwo96-pin connectors.Oneofthe96-pin connectorsisforengineinputsand outputsonly.Thesecond96-pin connectorand14-pinconnectorarefor

aftertreatmentandvehicleinputsand outputs.

NOTE

ThepresenceofanECMdataplate dependsonthemanufacturingplant andthedatetheenginewasmanufactured.IfanECMdataplatewas notinstalledbythemanufacturing plant,calibrationdatacanbefound ontheenginedataplate.

PACCAREngine Nomenclature

ThePACCARenginenomenclature providesthefollowinginformation:

1.Displacement

2.HorsepowerRating

3.EngineModel

6-5

ENGINEIDENTIFICATION

AirCompressor

NOTE

Notallenginesareequippedwithan aircompressor.

Theaircompressordataplateis typicallylocatedonthesideoftheair compressor.Thedataplatecontains thefollowinginformationtoassistin servicingorreplacement:

•Partnumber

•Serialnumber

•Datecode

VariableGeometry Turbocharger

TheHolset®variablegeometry turbocharger(VGT)dataplateis locatedontheturbochargerinlet compressorhousing.

Thedataplatecontainsthefollowing informationtoassistinservicingor replacement:

•Assemblypartnumber

•Serialnumber

•Customernumber

•Modelnumber.

NOTE

TheelectronicactuatorontheVGT isaserviceablecomponentandhas aseparatedataplatethatcontains informationtoassistinservicingor replacement.

6-6

Paccar PX-7 Engine Operator’s Manual Paccar PX-7 Engine Operator’s Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

INTRODUCTION

SafetyAlerts

Illustrations

Foreword

ImportantReference Numbers

GeneralSafetyInstructions

Acronymsand Abbreviations

WHATTODOIF...

YouNeedRoadside Assistance

StopEngineLampTurnsOn

EngineOilPressureLamp TurnsOn

CheckEngineLampTurns On

EngineisOverheating

OPERATINGINSTRUCTIONS

EngineWarningLamps

EngineOperatingRange

DRIVINGINSTRUCTIONS

GeneralInformation

NormalStartingProcedure

ColdWeatherStarting

StartingProcedureAfter ExtendedShutdownorOil Change

OperatingtheEngine

ColdWeather

EngineShutdown

Electromagnetic Interference(EMI)

TipsforOperationonLevel andDryPavement

TipsforOperationonGrades withDryPavement

TipsforOperationonSlick Roads

MAINTENANCEGUIDELINES

Overview

MaintenanceSchedule

MaintenanceRecordForm

LubricatingOilSystem

CoolingSystem

FuelRecommendations

WarrantyandtheUseof BiodieselFuel

ENGINE IDENTIFICATION

EngineDataplate

FuelInjectionPump Dataplate

EngineControlModule Dataplate

PACCAREngine Nomenclature

AirCompressor

VariableGeometry Turbocharger