Toro Groundsmaster 4500-D Series - Page 80

Regeneration(continued)
Typesofregenerationthatareperformedmanually(whilethemachineisstationary)
Type
Conditions
Description
Parked
Occurswhenexhaustbackpressurein
theDPFincreasesduetocontinuedsoot
buildup.
MayoccurbecausetheInfoCenterwasset
toinhibitresetregenerationandmachine
operationcontinued,addingmoresootto
theDPFafteraresetregenerationwas
requested.
Maybecausedbyprolongedoperationat
lowenginespeed,lowengineload,orthe
useofincorrectfuelorengineoil.
Canbeinitiatedwhenpromptedbythe
engineECUormanuallyafteraminimum
of50hoursofengineoperation.
TheInfoCenterdisplaysthestationary
regenerationicon.
Manuallyinitiateaparkedregenerationassoon
aspossible.Aparkedregenerationwilltake
approximately30to60minutesandshouldnotbe
startedwithlessthan1/4tankoffuel.Themachine
mustremainstationary(cannotbeoperated)during
theentireparkedregenerationprocess.
Recovery
Occurswhenexhaustbackpressurein
theDPFincreasesduetosootbuildup
reachingacriticallevel.
Mayoccurbecauseparkedregeneration
requestswereignoredandmachine
operationcontinued,addingmoresootto
theDPFafteraparkedregenerationwas
requested.
Canonlybeinitiatedwhenpromptedby
theengineECU.
TheInfoCenterdisplaysthestationary
regenerationicon.
Manuallyinitiatearecoveryregenerationassoon
aspossible.Arecoveryregenerationwilltake
approximately3hoursandshouldnotbestartedwith
lessthan1/2tankoffuel.Themachinemustremain
stationary(cannotbeoperated)duringtheentire
recoveryregenerationprocess.
RefertothetractionunitOperator’sManualforadditionalDPFregeneration
information,andinstructionsforusingtheInfoCenterDPFRegenerationMenus.
SootAccumulation
Ifthetypesofregenerationthatareperformedautomatically(whilethemachine
isoperating)arebypassedornotallowedtocompletebeforeshuttingoffthe
engine,sootwillcontinuetoaccumulateinthesootlter.Whenenoughsoot
accumulates,theengineECUwillgenerateanenginefaulttopromptaparkedor
recoveryregeneration.InadditiontoanenginefaultappearingontheInfoCenter,
theengineoutputpowerwillbereduced.
AshAccumulation
Ashisaresultoftheregenerationprocesses.Thelighterashisdischarged
throughtheexhaustsystem,whiletheheavierashcollectsinthesootlter.
Whenenoughashaccumulatesinthesootlter,theengineECUwillgeneratean
enginefaulttopromptservicingtheDPF .Inadditiontoanenginefaultappearing
ontheInfoCenter,theengineoutputpowerandspeedwillbereduced.
YanmarDieselEngine:GeneralInformation
Page4–8
Groundsmaster
®
4500-D/4700-D
19245SLRevA