Toro Groundmaster Series - Regeneration

Regeneration(continued)
normalengineoperation,thepressuredifferentialwillincrease.Theincrease
inpressurewillsignaltheenginetobeginaprocesscalledregeneration.
Regenerationincreasestheexhausttemperatureandthelengthoftimethe
engineoperatesatahigherthannormalexhausttemperature,incineratingthe
builtupsootandturningitintoash.Thedifferenttypesofregenerationusedare
listedinorderbasedontheamountofparticulatematterinthesootlter(leastto
most).Thelengthoftimetheenginewilloperateatahigherthannormalexhaust
temperaturetoburnoutthesootisalsorelatedtotheamountofparticulate
matterinthesootlter.
Typesofregenerationthatareperformedautomatically(whilethemachineis
operating)
Type
Conditions
Description
Passive
Occursduringnormal
operationofthemachine
athighenginespeedor
highengineload
TheDPFprocesseshighheatexhaust
gasses,oxidizingharmfulemissions
andincineratingsoottoash.
Passiveregenerationoccursaspartof
normalengineoperation.
Thedisplayscreendoesnotdisplayan
iconduringpassiveregeneration.
Whileoperatingthemachine,runthe
engineatfull-enginespeedandhigh
loadwhenpossibletopromoteDPF
regeneration.
Assist
Occursbecauseof
prolongedoperation
atlowenginespeed,low
engineload,orwhenthe
engineECUdetectsthe
sootlterisbecoming
obstructed.
TheengineECUadjuststheexhaust
intakethrottletoraisetheexhaust
temperature.
Thedisplayscreendoesnotdisplayan
iconduringassistregeneration.
Reset
Occursevery100hours
ofengineoperation
Occursafteranassist
regenerationiftheengine
ECUdeterminesthe
assistregenerationdid
notsufcientlyreducethe
sootlevel
Thedisplayscreendisplays
thehighexhausttemperatureicon.
TheengineECUadjuststheexhaust
intakethrottleandtheinjectortimingto
raisetheexhausttemperature.
Donotshutofftheengineorreduce
theenginespeedwhilethereset
regenerationisprocessing.
Engine:GeneralInformation
Page4–6
Groundsmaster
®
3200,3300and3310
19240SLRevA