Toro Groundsmaster 7210 - Page 43

TheenginethatpowersyourGroundsmaster7210machineisaYanmarmodel
3TNV88CwithEPATier4Femissionregulations.Theengineisequipped
withanexhaustsystemthatincludesadieseloxidationcatalyst(DOC)anda
diesel-particulatelter(DPF).
Theseexhaustcomponentsrequireserviceorcomponentreplacementatregular
intervals,refertotheOperator’sManual.
Atrecommendedintervals,DPFreconditioningisnecessarywhichwillrequire
exhaustsystemdisassembly,DPFremoval,andDPFreconditioningthatisdone
byacompanythathasnecessaryequipment.OncetheDPFhasgonethrough
thereconditioningprocess,itcanbere-installedintheexhaustsystem.Contact
yourT oroDistributorforinformationonreconditioningtheDPF .
Thedieseloxidationcatalyst(DOC)hasaservicelifeexpectancyandrequires
replacementatrecommendedintervals.ReplacementoftheDOCwillrequire
exhaustsystemdisassembly,removaloftheexistingDOCandinstallation
ofthenewDOC.
Additionalinformationaboutthediesel-particulatelter(DPF)operationand
maintenancecanbefoundintheYanmarServiceManualandtheYanmar
TroubleshootingManual.
RemovingtheExhaustSystem
CAUTION
Ahotengineandexhaustsystemcancauseburns.
Allowtheengineandtheexhaustsystemtocoolbeforeworking
onornearthem.
1.Parkthemachineonalevelsurface,lowerthecuttingdeck,shutoffthe
engine,settheparkingbrake,andremovethekeyfromthekeyswitch.
g034295
Figure11
1.Flangenut(2each)4.Exhaustclamp(2each)
2.Screw(2each)
5.Exhausttube
3.Exhaustsupport
6.Diesel-particulatelter(DPF)
Groundsmaster7210
Page3–11
DieselEngine:ServiceandRepairs
16222SLRevC