Toro Groundmaster Series - Yanmar Engines; Diesel Particulate Filter

YanmarEngines
g295809
Figure10
1.Yanmar3TNV80Fengine
3.Dieselparticulatelter(DPF)
2.Yanmar3TNV88C-DTRengine
4.Yanmar3TNV88-BDTRengine
TheenginethatpowerstheGroundsmaster3200(model31900and31901)is
aYanmar3TNV80F.TheenginethatpowerstheGroundsmaster3300/3310
(model31902and31903)isaTier-4compliantYanmar3TNV88C-DTR.The
enginethatpowerstheGroundsmaster3300/3310(model31907and31909)
isaYanmar3TNV88-BDTR.
TheengineusedonGroundsmaster3300machineisaYanmarTNVseriesdiesel
enginethatcomplieswithEPATier4Femissionsregulations.Theengines(for
models31902and31903)includeanelectroniccontrolunit(ECU),anexhaust
gasrecirculationvalve(EGR)andadieselexhaustparticulatelter(DPF).
TheECUcombinesnumerousenginesensors,monitorandcontroltheengine
operationforoptimumperformance.Duringtheoperationoftheengine,if
conditionswarrant,theengineECUmaygenerateanenginefault.UsetheToro
DisplayModule(TDMdisplay/controller)toidentifytheenginefault;referto
theYanmarTroubleshootingManual,orcontactanAuthorizedT oroDistributor
forassistance.
DieselParticulateFilter
Thedieselparticulatelter(DPF)usedonYanmarTier4Fcompliantengineis
designedtobreakdownthehazardouselementsintheexhaustandpreventthe
dischargeofunburnedfueloroilknownasparticulatematterorsoot.TheDPF
includesaDieselOxidationCatalyst(DOC),aSootFilter(SF),2temperature
sensorsandapressuredifferentialsensor.Additionalinformationregarding
theDieselParticulateFiltercanbefoundintheYanmarOperationalManual-
IndustrialEnginesTNVsuppliedwithyourmachine.
Regeneration
TheengineECUmonitorstheexhaustpressurebeforeandafterthesootlter
intheDPFtodetermineifsootisaccumulating.Ifsootisaccumulatingduring
Groundsmaster
®
3200,3300and3310
Page4–5
Engine:GeneralInformation
19240SLRevA