Operator's Manual

thesootlter,convertingthesoottoash,andclears
thechannelsofthesootltersothatlteredengine
exhaustowsouttheDPF.
Theenginecomputermonitorstheaccumulationof
sootbymeasuringthebackpressureintheDPF .If
thebackpressureistoohigh,sootisnotincinerating
inthesootlterthroughnormalengineoperation.T o
keeptheDPFclearofsoot,rememberthefollowing:
•Passiveregenerationoccurscontinuouslywhile
theengineisrunning—runtheengineatfull
enginespeedwhenpossibletopromoteDPF
regeneration.
•Ifthebackpressureistoohigh,theengine
computersignalsyouthroughtheInfoCenter
whenadditionalprocesses(assistandreset
regeneration)arerunning.
•Allowtheassistandresetregenerationprocessto
completebeforeshuttingofftheengine.
Operateandmaintainyourmachinewiththefunction
oftheDPFinmind.Engineloadathighidle
enginespeedgenerallyproduceadequateexhaust
temperatureforDPFregeneration.
Important:Minimizetheamountoftimethatyou
idletheengineoroperatetheengineatlow-engine
speedtohelpreducetheaccumulationofsootin
thesootlter.
CAUTION
Theexhausttemperatureishot(approximately
600°C(1112°F)duringDPFparked
regenerationorrecoveryregeneration.Hot
exhaustgascanharmyouorotherpeople.
•Neveroperatetheengineinanenclosed
area.
•Makesurethattherearenoammable
materialsaroundtheexhaustsystem.
•Nevertouchahotexhaustsystem
component.
•Neverstandnearoraroundtheexhaust
pipeofthemachine.
DPFSootAccumulation
•Overtime,theDPFaccumulatessootinthesoot
lter.Thecomputerfortheenginemonitorsthe
sootlevelintheDPF .
•Whenenoughsootaccumulates,thecomputer
informsyouthatitistimetoregeneratethediesel
particulatelter.
•DPFregenerationisaprocessthatheatstheDPF
toconvertthesoottoash.
•Inadditiontothewarningmessages,thecomputer
reducesthepowerproducedbytheengineat
differentsoot-accumulationlevels.
EngineWarningMessages—SootAccumulation
IndicationLevel
FaultCode
EnginePowerRatingRecommendedAction
Level1:Engine
Warning
g213866
Figure31
CheckEngine
SPN3719,FMI16
Thecomputerde-ratesthe
enginepowerto85%
Performaparkedregeneration
assoonaspossible;referto
ParkedRegeneration(page36).
Level2:Engine
Warning
g213867
Figure32
CheckEngine
SPN3719,FMI0
Thecomputerde-ratesthe
enginepowerto50%
Performarecoveryregeneration
assoonaspossible;referto
RecoveryRegeneration
(page39).
32