Toro groundmaster 7210 - Cutting Grass and DPF Function; Diesel Particulate Filter (DPF) Regeneration

CuttingGrasswiththe
Machine
Note:Cuttinggrassataratethatloadstheengine
promotesDPFregeneration.
1.Movethemachinetothejobsite.
2.Wheneverpossible,settheengine-speedswitch
tohighidle.
3.EngagethePTOswitch.
4.Graduallymovethetractionpedalforwardand
slowlydrivethemachineoverthemowingarea.
5.Oncethefrontofthecuttingunitsareoverthe
mowingarea,lowerthecuttingunits.
6.Cutgrasssothatthebladescancutand
dischargeclippingsatahighratewhile
producingagoodqualityofcut.
Note:Ifthecuttingrateistoohigh,thequality
ofcutmaydeteriorate.Reducetheground
speedofthemachineorreducethewidthofcut
toregainhighidleenginespeed.
7.Whenthecuttingunitsareoverthefaredgeof
themowingarea,liftthecuttingunits.
8.Performatear-shapedturntoquicklylineupfor
yournextpass.
DieselParticulateFilter
Regeneration
Thedieselparticulatelter(DPF)ispartoftheexhaust
system.Thediesel-oxidationcatalystoftheDPF
reducesharmfulgassesandthesootlterremoves
sootfromtheengineexhaust.
TheDPFregenerationprocessusesheatfromthe
engineexhausttoincineratethesootaccumulatedon
thesootlter,convertingthesoottoash,andclears
thechannelsofthesootltersothatlteredengine
exhaustowsouttheDPF.
Theenginecomputermonitorstheaccumulationof
sootbymeasuringthebackpressureintheDPF .If
thebackpressureistoohigh,sootisnotincinerating
inthesootlterthroughnormalengineoperation.To
keeptheDPFclearofsoot,rememberthefollowing:
•Passiveregenerationoccurscontinuouslywhile
theengineisrunning—runtheengineatfull
enginespeedwhenpossibletopromoteDPF
regeneration.
•Ifthebackpressureistoohigh,theengine
computersignalsyouthroughtheInfoCenter
whenadditionalprocesses(assistandreset
regeneration)arerunning.
•Allowtheassistandresetregenerationprocessto
completebeforeshuttingofftheengine.
Operateandmaintainyourmachinewiththefunction
oftheDPFinmind.Engineloadathighidle
enginespeedgenerallyproduceadequateexhaust
temperatureforDPFregeneration.
Important:Minimizetheamountoftimethatyou
idletheengineoroperatetheengineatlow-engine
speedtohelpreducetheaccumulationofsootin
thesootlter.
CAUTION
Theexhausttemperatureishot(approximately
600°C(1112°F)duringDPFparked
regenerationorrecoveryregeneration.Hot
exhaustgascanharmyouorotherpeople.
•Neveroperatetheengineinanenclosed
area.
•Makesurethattherearenoammable
materialsaroundtheexhaustsystem.
•Nevertouchahotexhaustsystem
component.
•Neverstandnearoraroundtheexhaust
pipeofthemachine.
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