Peterbilt Aftertreatment Service Manual
Contents
Safety
Emergency
Controls
Driving
Maintenance
Information
Index
1
2
3
4
5
6
7
Contents
©2010PaccarInc-AllRightsReserved
Thismanualillustratesanddescribestheoperationoffeaturesorequipmentwhichmaybeeitherstandardoroptionalon
thisvehicle.Thismanualmayalsoincludeadescriptionoffeaturesandequipmentwhicharenolongeravailableorwere
notorderedonthisvehicle.Pleasedisregardanyillustrationsordescriptionsrelatingtofeaturesorequipmentwhichare
notonthisvehicle.
PACCARreservestherighttodiscontinue,changespecications,orchangethedesignofitsvehiclesatanytimewithout
noticeandwithoutincurringanyobligation.
TheinformationcontainedinthismanualisproprietarytoPACCAR.Reproduction,inwholeorinpart,byanymeansisstrictly
prohibitedwithoutpriorwrittenauthorizationfromP ACCARInc.
SAFETY
Safety
AboutThisManual...........1-3
SafetyAlerts..............1-4
Illustrations...............1-6
1
1-1
Safety
Safety
AboutThisManual
Pleasetakethetimetogetacquainted
withyourvehiclebyreadingthis
Operator’sManual.Werecommend
thatyoureadandunderstandthis
manualfrombeginningtoendbefore
youoperateyourtruck.Thismanual
explainsthesafe,efcientoperation
andmaintenanceofyourvehicle.
NOTE:Afteryou’vereadthis
manual,itshouldbestoredin
thecabforconvenientreference
andremainwiththistruckwhen
sold.
Yourvehiclemaynothaveallthe
featuresoroptionsmentionedinthis
manual.Therefore,youshouldpay
carefulattentiontotheinstructions
thatpertaintojustyourvehicle.In
addition,ifyourvehicleisequipped
withspecialequipmentoroptions
notdiscussedinthismanual,consult
yourdealerorthemanufacturerofthe
equipment.Allinformationcontained
inthismanualisbasedonthelatest
productioninformationavailableatthe
timeofpublication.PACCARreserves
therighttomakechangesatanytime
withoutnotice.
1
1-3
Safety
SafetyAlerts
1
Pleasereadandfollowallofthe
safetyalertscontainedinthismanual.
Theyarethereforyourprotection
andinformation.Thesealertscan
helpyouavoidinjurytoyourself,your
passengers,andhelppreventcostly
damagetothevehicle.Safetyalerts
arehighlightedbysafetyalertsymbols
andsignalwordssuchas"WARNING",
"CAUTION",or"NOTE".Pleasedonot
ignoreanyofthesealerts.
WARNING
WARNING:
Thesafetymessagefollowingthis
symbolandsignalwordprovidesa
warningagainstoperatingprocedures
whichcouldcauseinjuryorevendeath.
Theycouldalsocauseequipmentor
propertydamage.Thealertwillidentify
thehazard,howtoavoidit,andthe
probableconsequenceofnotavoiding
thehazard.
Example:
WARNING:Donotcarry
additionalfuelcontainersin
yourvehicle.Fuelcontainers,
eitherfullorempty,mayleak,
explode,andcauseorfeeda
re.Donotcarryextrafuel
containers.Evenemptyones
aredangerous.Failureto
complymayresultindeath,
personalinjury,equipmentor
propertydamage.
1-
4
Safety
CAUTION
CAUTION:
Thesafetyalertfollowingthissymbol
andsignalwordprovidesacaution
againstoperatingprocedureswhich
couldcauseequipmentorproperty
damage.Thealertwillidentifythe
hazard,howtoavoidit,andthe
probableconsequenceofnotavoiding
thehazard.
Example:
CAUTION:Continuingto
operateyourvehiclewith
insufcientoilpressure
willcauseseriousengine
damage.Failuretocomply
mayresultinequipmentor
propertydamage.
NOTE
NOTE:
Thealertfollowingthissymboland
signalwordprovidesimportant
informationthatisnotsafetyrelated
butshouldbefollowed.Thealert
willhighlightthingsthatmaynotbe
obviousandisusefultoyourefcient
operationofthevehicle.
Example:
NOTE:Pumpingtheaccelerator
willnotassistinstartingthe
engine.
1
1-5
Safety
Illustrations
1
GeneralInformation
Someoftheillustrationsthroughout
thismanualaregenericandwillnot
lookexactlyliketheengineorparts
usedinyourvehicle.
1-6
AftertreatmentSystem(ATS)
Introduction..............3-3
DieselParticulateFilter(DPF)System
Introduction..............3-4
ControllingtheRegenerationProcess...3-4
Functionality/NoticationInformation...3-6
DPFRegeneration..........3-11
StopanAutomaticorParkedRegeneration3-13
IdlinginFreezingT emperatures.....3-14
SelectiveCatalyticReduction(SCR)System
Introduction.............3-16
CONTROLS
3
3-1
AftertreatmentSystem(ATS)
AftertreatmentSystem
(ATS)
Introduction
TheAftertreatmentSystem(A TS)
onyourvehicleismadeupoftwo
systems:
1.DieselParticulateFilter(DPF)
System
2.SelectiveCatalyticReduction
(SCR)System
Theyfullltwoprimaryfunctions;
particulatereduction&nitrogenoxide
(NOx)reduction.
Thissectionofthemanualdescribes
howtointeractandcontrolthesetwo
systems.SeetheINFORMA TION
sectionstartingonpage6-1ofthis
manualformoredetailedinformation
abouttheaftertreatmentprocessand
itscomponents.
3
3-3
DieselParticulateFilter(DPF)System
DieselParticulateFilter
(DPF)System
Introduction
TheDPFsystemconsistsofa
Hydrocarbon(HC)Doser,aDiesel
OxidationCatalyst(DOC),andaDPF .
TheDPFlterssoot
3
WhenactivatedtheHCDosersprays
asmallamountofdieselfuel(theHC)
intotheexhaust.Thecatalystinthe
DOCreactswiththeHCtogenerate
heat.Theheatisusedtoclean
(regenerate)theDPFbyreducingthe
trappedsoottoash.
outoftheexhaust.
Controllingthe RegenerationProcess
Yourvehicleisequippedwitheither
atwo-positionorthree-position
RegenerationSwitch,mountedonthe
dash.
Ifequippedwithatwo-position
RegenerationSwitch,thedriver
caninitiateaParkedRegeneration
whencertainoperatingconditionsare
suitableforregeneration,however,
youwillNOTbeabletoStopa
regenerationiftheATShasinitiated
oneautomatically .Referto"Parked
Regenerationonpage3-11"
Ifyourvehicleisequippedwitha
three-positionRegenerationSwitch,
thedrivercancontroltheregeneration
byoverridingtheA TSwhencertain
operatingconditionsarenotsuitable
forregeneration.
AutomaticorParkedRegenerationon
page3-13"
Referto"Stopan
WARNING:Ifyouoperate
inenvironmentsthat
containexplosivevapors
orammablematerials,
looktoseeifyour
vehicle’sRegeneration
Switchisequippedwith
aSTOPfunction.The
STOPfunctionmustbe
activatedpriortoentering
theaboveenvironment(s)
topreventautomaticengine
regenerationfromoccurring,
whichcouldcausean
explosionorre.Failureto
equipyourvehiclewiththe
properswitch(function)or
failingtoactivatetheSTOP
functionbeforeenteringa
combustibleenvironment
maycauseanexplosionor
rethatcouldleaddeath,
personalinjury,equipmentor
propertydamage.
3-
4
DieselParticulateFilter(DPF)System
NOTE:ToobtainaRegeneration
SwitchwithaSTOPfunction,
contactyournearestauthorized
PACCARdealertoobtain
theproperswitchand
reprogrammingofyourengine’s
ECU.
Two-PositionRegenerationSwitch
Two-PositionRegenerationSwitch
NOTE:Referto"DPF
Regenerationonpage3-1 1
"forinstructionsonhowtostart
orstopaATSregeneration
(three-positionswitchonly).
Start
DepressingthebuttonintheST ART
directionforatleast4-8secondswill
initiateaparkedregeneration.
Three-PositionRegenerationSwitch
Three-PositionRegenerationSwitches
Start
DepressingthebuttonintheST ART
directionforatleast4-8secondswill
initiateaparkedregeneration.
Center(threepositionswitchonly)
NOTE:Duringnormalvehicle
driving,theregenerationswitch
mustbeintheCENTER
position.
CENTERisthenormalpositionof
theswitch.Unlessyouaremanually
initiatingaparkedregenerationor
intentionallystoppingaregeneration,
3
3-
5
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