Toro 03606A - Page 34

TypesofDieselParticulateFilterRegeneration
Typesofdieselparticulatelterregenerationthatareperformedwhilethemachineisoperating:
TypeofRegenerationConditionsforDPFregenerationDPFdescriptionofoperation
TheInfoCenterdoesnotdisplayaniconindicating
passiveregeneration.
Duringpassiveregeneration,theDPFprocesses
high-heatexhaustgasses;oxidizingharmful
emissionsandburningsoottoash.
Passive
Occursduringnormaloperationofthemachineat
high-enginespeedorhigh-engineload
RefertoPassiveDPFRegeneration(page35).
Whentheassist/reset-regenerationicon
isdisplayedintheInfoCenter,anassist
regenerationisinprogress.
Duringassistregeneration,thecomputercontrols
theintakethrottletoincreasetheexhaust
temperature,enablingassistregenerationtooccur.
Assist
Occursasaresultoflow-enginespeed,low-engine
load,orafterthecomputerdetectsbackpressure
intheDPF
RefertoAssistDPFRegeneration(page35).
Occursafterassistregenerationonlyifthe
computerdetectsthatassistregenerationdidnot
sufcientlyreducethesootlevel
Whentheassist/reset-regenerationicon
isdisplayedintheInfoCenter,aregenerationisin
progress.
Duringresetregeneration,thecomputercontrols
theintakethrottleandfuelinjectorstoincreasethe
exhausttemperatureduringregeneration.
Reset
Alsooccursevery100hourstoresetbaseline
sensorreadings
RefertoResetRegeneration(page36).
Typesofdieselparticulatelterregenerationthatrequireyoutoparkthemachine:
TypeofRegenerationConditionsforDPFregenerationDPFdescriptionofoperation
Sootbuildupoccursasaresultofprolonged
operationatlow-enginespeedorlow-engineload.
Mayalsooccurasaresultofusingincorrectfuel
oroil
Thecomputerdetectsbackpressureduetosoot
buildupandrequestsaparkedregeneration
Whentheparked-regenerationicon
isdisplayedintheInfoCenter,aregenerationis
requested.
•Performtheparkedregenerationassoonas
possibletoavoidneedingarecoveryregeneration.
•Aparkedregenerationrequires30to60minutes
tocomplete.
•Youmusthaveatleasta1/4tankoffuelinthe
tank.
•Youmustparkthemachinetoperformarecovery
regeneration.
Parked
RefertoParkedRegeneration(page36).
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