Toro 30881 - Page 35

TypesofDieselParticulateFilterRegeneration
Typesofdieselparticulatelterregenerationthatareperformedwhilethemachineisoperating:
TypeofRegenerationConditionsthatcauseDPFregenerationDPFdescriptionofoperation
•TheInfoCenterdoesnotdisplayaniconindicating
passiveregeneration.
•Duringpassiveregeneration,theDPFprocesses
high-heatexhaustgasses,oxidizingharmful
emissions,andburningsoottoash.
Passive
Occursduringnormaloperationofthemachineat
high-enginespeedorhigh-engineload
Referto(page).
•TheInfoCenterdoesnotdisplayaniconindicating
assistregeneration.
•Duringassistregeneration,theenginecomputer
adjuststheenginesettingstoraisetheexhaust
temperature.
Assist
Occursbecauseoflow-enginespeed,low-engine
load,orafterthecomputerdetectstheDPFis
becomingobstructedwithsoot
RefertoAssistDPFRegeneration(page38).
Occursevery100hours
Alsooccursafterassistregenerationonlyifthe
computerdetectsthatassistregenerationdidnot
sufcientlyreducethesootlevel
•Whenthehighexhaust-temperatureicon
isdisplayedintheInfoCenter,aregenerationisin
progress.
•Duringresetregeneration,theenginecomputer
adjuststheenginesettingstoraisetheexhaust
temperature.
Reset
RefertoResetRegeneration(page38).
Typesofdieselparticulatelterregenerationthatrequireyoutoparkthemachine:
TypeofRegenerationConditionsthatcauseDPFregenerationDPFdescriptionofoperation
Occursbecausethecomputerdetectsback
pressureintheDPFduetosootbuildup
Alsooccursbecausetheoperatorinitiatesaparked
regeneration
•Whenthereset-standby/parkedorrecovery
regenerationiconorADVISORY#188
displaysintheInfoCenter,aregenerationis
requested.
MayoccurbecauseyousettheInfoCentertoinhibit
resetregenerationandcontinuedoperatingthe
machine,addingmoresootwhentheDPFalready
needsaresetregeneration
•Performtheparkedregenerationassoonas
possibletoavoidneedingarecoveryregeneration.
Mayresultfromusingtheincorrectfuelorengineoil
•Aparkedregenerationrequires30to60minutes
tocomplete.
•Youmusthaveatleasta1/4tankoffuelinthe
tank.
•Youmustparkthemachinetoperformaparked
regeneration.
Parked
RefertoParkedorRecoveryRegeneration(page
40).
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