PACCAR PX-9 Operator's Manual

Contents

Safety

Emergency

Controls

Driving

Maintenance

Information

Index

1

2

3

4

5

6

7

Contents

©2012PaccarInc-AllRightsReserved

Thismanualillustratesanddescribestheoperationoffeaturesorequipmentwhichmaybeeitherstandardoroptionalon
thisvehicle.Thismanualmayalsoincludeadescriptionoffeaturesandequipmentwhicharenolongeravailableorwere
notorderedonthisvehicle.Pleasedisregardanyillustrationsordescriptionsrelatingtofeaturesorequipmentwhichare
notonthisvehicle.

PACCARreservestherighttodiscontinue,changespecications,orchangethedesignofitsvehiclesatanytimewithout
noticeandwithoutincurringanyobligation.

TheinformationcontainedinthismanualisproprietarytoPACCAR.Reproduction,inwholeorinpart,byanymeansisstrictly
prohibitedwithoutpriorwrittenauthorizationfromP ACCARInc.

SAFETY

INTRODUCTION

1

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

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

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

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

GeneralSafetyInstructions............1-8

AcronymsandAbbreviations..........1-11

UniqueOperatingCharacteristicsofanEnginewith

On-BoardDiagnostic............1-12

1-1

INTRODUCTION

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

1-3

INTRODUCTION

CAUTION

1

CAUTION

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

Example:

CAUTION

Continuingtooperateyourvehi­clewithinsufcientoilpressurewill
causeseriousenginedamage.Fail­uretocomplymayresultinequip­mentorpropertydamage.

NOTE

NOTE

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

Example:

NOTE

Pumpingtheacceleratorwillnotas­sistinstartingtheengine.

1-4

INTRODUCTION

Illustrations

GeneralInformation

Someoftheillustrationsthroughout
thismanualaregenericandwill
notlookexactlyliketheengineor
partsusedinyourapplication.The
illustrationscancontainsymbols
toindicateanactionrequiredand
anacceptableornotacceptable
condition.

Theillustrationsareintendedtoshow
repairorreplacementprocedures.
Theprocedurewillbethesameforall
applications,althoughtheillustration
candiffer.

1

1-5

INTRODUCTION

Foreword

1

Thismanualcontainsinformationfor
thecorrectoperationandmaintenance
ofyourPACCARengine.Readand
followallsafetyinstructions.Refer
totheWARNINGinthe“General
SafetyInstructions”beginningon
page1-8.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cationsonpage5-26.)

FilterPartNumbers:

AirCleanerElement

LubricatingOil
(SeeLubricatingOilRecommendationsandSpecicationsonpage5-26.)

Fuel(Useultra-lowsulfurdieselfuelonly)
(SeeAcceptableT ypesofFuelsonpage5-22.)

Coolant
(SeeCoolantRecommendationsandSpecicationsonpage5-31.)

BeltPartNumbers:

1

1-7

INTRODUCTION

GeneralSafetyInstructions

1

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 .

1-

8

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

1

1-

9

INTRODUCTION

1

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.

•Closethemanualfuelvalvesprior

toperformingmaintenanceand
repairs,andwhenstoringthe
vehicleinside.

•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.

CAUTION

Corrosivechemicalscandamage
theengine.Donotusecorrosive
chemicalsontheengine.Failureto
complymayresultinequipmentor
propertydamage.

1-10

INTRODUCTION

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
LPGLiquiedPetroleumGas
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

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

RGTRearGearTrain
rpm

SAE
SCASupplementalCoolantAdditive
SCR

SID

STC
VDCVoltsofDirectCurrent
VGT
VSV ariableSpeed
VSSVehicleSpeedSensor

RevolutionsPerMinute
SocietyofAutomotiveEngineers

SelectiveCatalyticReduction
SubsystemIdentication

Descriptions
StepTimingControl

VariableGeometryTurbocharger

1

1-11

INTRODUCTION

UniqueOperating

1

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

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

FormoreinformationontheMILand
whattheoperatorshoulddowhen
theMILilluminates,seeMalfunction
IndicatorLamponpage3-4.

1-12

WHATTODOIF...

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

StopEngineLampTurnsOn...........2-3

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

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

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

EMERGENCY

2

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

2

IftheStopEnginewarninglamp
illuminates,itmeansyouhavea
seriousenginesystemproblem.

WARNING!

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

2-3

WHATTODOIF...

EngineOilPressureLamp TurnsOn

2

Itisimportanttomaintainoilpressure
withinacceptablelimits.Ifoilpressure
dropsbelowtheminimumpsiaRed
WarningLampontheoilpressure
gaugeandtheStopEngineLampwill
comeON.

CAUTION

Continuingtooperateyourvehi­clewithinsufcientoilpressure
maycausesevereenginedamage,
equipmentorpropertydamage.

•Iftheoilpressurefailstorisewithin

10secondsaftertheenginestarts,
stoptheengineanddeterminethe
cause.

•SeeLubricatingOilSystemon

page5-15,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.

2-

4

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

2

2-

5

WHATTODOIF...

4.Returntheenginespeedtonormal
idleaftertwoorthreeminutes.

5.Monitortheenginetemperature.

2

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

6.Iftheoverheatingcamefrom
severeoperatingconditions,the
temperatureshouldhavecooled
bythistime.

7.Checkthesightgauge(glass
levelindicator)onthesideofthe
coolantexpansiontank.

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

Anidleshutdownfeature,available
onPACCAREngines,canbepro­grammedtoshuttheenginedown
afteraperiodoflowidlespeedop­erationwithnodriveractivity.A
ashingwarninglampwillinformthe
driverofanimpendingshutdown.

NOTE

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

2

2-7

CONTROLS

OPERATINGINSTRUCTIONS

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

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

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

3

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.

TheWAITTOSTARTlampcanlook
like:

•ThewordsWAITTOST ART

spelledout

•Asymbolsimilartothegraphic

illustrated

•Thecolorofthesymbolor

wordscanvary,basedonthe
manufacturerofthevehicle,but
willtypicallyberedoramber.

CheckEngineLamp

TheCHECKENGINElampilluminates
whentheengineneedsserviceatthe
rstavailableopportunity .

TheCHECKENGINElampisamber,
andcanlooklike:

•ThewordsWARNINGorCHECK

ENGINEspelledout.

•Asymbolofanengine,similarto

thegraphicillustrated.

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

3

3-3

OPERATINGINSTRUCTIONS

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

AnotherfunctionoftheCHECK
ENGINElampistoashfor30
secondsatkeyONwhenoneofthe

3

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.

StopEngineLamp

TheSTOPENGINElampindicates,
whenilluminated,theneedtostopthe
engineassoonasitcanbesafely
done.Theenginemustremain

shutdownuntiltheenginecanbe
repaired.

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

3-4

OPERATINGINSTRUCTIONS

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.

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

3

Whentheselampsareilluminated,a
stationaryregenerationisrequired.

NOTE

Ifastationaryregenerationisnot
performed,theSTOPENGINElamp
willilluminateandthevehiclewill
needtobetakentoanauthorizedre­pairlocation.

RefertoEngineAftertreatment
SystemsOperator'sManualfor
additionalinformation.

3-5

OPERATINGINSTRUCTIONS

DieselExhaustFluid(DEF)Lamp

DieselExhaustFluid(DEF)Lamp

TheAFTERTREATMENTDIESEL

3

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

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.

3-6