Toro Groundsmaster 7210 - Page 37

DieselParticulateFilter(DPF)canbefoundintheYanmarOperationManual-
IndustrialEnginesTNVsuppliedwithyourmachine.
Regeneration
TheengineECUmonitorstheexhaustpressurebeforeandafterthesootlter
intheDPFtodetermineifsootisaccumulating.Ifsootisaccumulatingduring
normalengineoperation,thepressuredifferentialwillincrease.Theincrease
inpressurewillsignaltheenginetobeginaprocesscalledRegeneration.
Regenerationincreasestheexhausttemperatureandthelengthoftimethe
engineoperatesatahigherthannormalexhausttemperature,incineratingthe
builtupsootandturningitintoash.Thedifferenttypesofregenerationusedare
listedinorderbasedontheamountofparticulatematterinthesootlter(least
tomost).
Note:TheuserinterfaceandInfoCenterdisplaysforDPFregenerationchanged
withmachinesoftware122-0127E.UsetheInfoCenterAboutscreentoverify
thesoftwareinstalledonthemachine.
•Formachineswithsoftware122-0127AthruD:CompleteDPFregeneration
instructionscanbefoundintheupdatedtractionunitOperator’sManualfor
thespecicmachine.Visitwww.toro.comtodownloadtheupdatedtraction
unitOperator’sManualforthemachine.
•Formachineswithsoftware122-0127Eandup:CompleteDPFregeneration
instructionscanbefoundinthetractionunitOperator’sManual.Visit
www.toro.comtodownloadthetractionunitOperator’sManualwiththe
correctDPFregenerationinstructionsforthemachine.
Typesofregenerationthatareperformedautomatically(whilethemachineisoperating)
Type
Conditions
Description
Passive
Occursduringnormaloperationofthe
machineathighenginespeedorhigh
engineload
TheDPFprocesseshighheatexhaust
gasses,oxidizingharmfulemissions
andincineratingsoottoash.
TheInfoCenterdoesnotdisplayanicon
duringpassiveregeneration.
Assist
Occursbecauseofprolongedoperation
atlowenginespeed,lowengineload,
orwhentheengineECUdetectsthe
sootlterisbecomingobstructed.
TheengineECUadjuststheexhaust
intakethrottletoraisetheexhaust
temperature.
Forsoftware122-0127A
thruDonly:theInfoCenterdisplays
theassistregenerationicon.
Reset
Occursevery100hoursofengine
operation
Occursafteranassistregenerationif
theengineECUdeterminestheassist
regenerationdidnotsufcientlyreduce
thesootlevel
Note:Resetregenerationmaybe
temporarilydelayedifhighexhaust
temperatureswouldcreateanunsafe
condition(themachineisoperating
indoorsoroutdoorsaroundtrees,brush,
tallgrass,orothertemperature-sensitive
plantsormaterials).RefertoSetting
theInhibitRegeninthetraction
unitOperatorsManualforadditional
information.
TheengineECUadjuststheexhaust
intakethrottleandtheinjectortimingto
raisetheexhausttemperature.
Forallsoftwarerevisions:
theInfoCenterdisplaysthehighexhaust
temperatureicon.
Groundsmaster7210
Page3–5
DieselEngine:GeneralInformation
16222SLRevC