Toro Groundsmaster 4700-D - SPECIFICATIONS

DPFAshAccumulation
•Thelighterashisdischargedthroughtheexhaust
system;theheavierashcollectsinthesootlter.
•Ashisaresidueoftheregenerationprocess.Over
time,thedieselparticulatelteraccumulatesash
thatdoesnotdischargewiththeengineexhaust.
•Thecomputerfortheenginecalculatestheamount
ofashaccumulatedintheDPF .
•Whenenoughashaccumulates,theengine
computersendsinformationtotheInfoCenter
intheformofanenginefaulttoindicatethe
accumulationofashintheDPF .
•Thefaultmessagesindicatethatitistimeto
servicetheDPF.
•Inadditiontothewarnings,thecomputerreduces
thepowerproducedbytheengineatdifferent
ash-accumulationlevels.
InfoCenterAdvisoryandEngineWarningMessages—AshAccumulation
Indication
Level
FaultCode
EngineSpeed
Reduction
EnginePowerRatingRecommendedAction
Level1:
Engine
Warning
g322987
Figure35
None
Thecomputer
de-ratestheengine
powerto85%.
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page67)
Level2:
Engine
Warning
g323161
Figure36
None
Thecomputer
de-ratestheengine
powerto50%.
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page67)
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