GeneralInformation
ThischaptergivesinformationaboutspecicationsandrepairoftheYanmar
dieselengineusedintheGroundsmaster7210machine.Thegeneral
maintenanceproceduresaredescribedintheOperator’sManual.Detailed
informationonenginetroubleshooting,testing,disassembly,andassemblyis
identiedintheYanmarServiceManualandYanmarTroubleshootingManual.
Additionally,someenginerepairproceduresaredescribedinthismanual.The
describedadjustmentsandrepairsrequiretoolswhicharecommonlyavailablein
manyserviceshops.SpecialtoolsaredescribedintheYanmarServiceManual.
Theuseofsomespecializedtestequipmentisexplained.However,thecostof
thetestequipmentandthespecializednatureofsomerepairsmaydictatethat
theworkbedoneatanenginerepairfacility.
ServiceandrepairpartsfortheYanmarenginesaresuppliedthroughyour
AuthorizedToroDistributor.Ifthepartslistisnotavailable,provideyour
distributorwiththeT oroModelandSerialNumberofyourmachine.
TractionUnitOperator’sManual
TheOperator’sManualprovidesinformationregardingtheoperation,general
maintenance,andmaintenanceintervalsforyourmachine.Refertothe
Operator’sManualforadditionalinformationwhenservicingthemachine.
YanmarServiceandTroubleshootingManuals
TheenginethatpowersyourGroundsmastermachineisaYanmarModel
3TNV88C(usedonGroundsmaster7210Models30616,30617,30618,30619,
30633,and30695),aTier4Fcompliantengine.TheYanmarServiceManualand
YanmarTroubleshootingManualareavailablefortheseengines.Ensurethatthe
correctenginemanualsareusedwhenservicingtheengineonyourmachine.
EngineElectronicControlUnit(ECU)
TheYanmarengineusedintheGroundsmaster7210machineusesanelectronic
controlunit(ECU)forenginemanagementandtocommunicatewithoperator
InfoCenteronthemachine.TheengineECUislocatedontheleftsideofthe
machineframeneartheengine.
IMPORTANT
DonotplugorunplugtheengineECUfor30secondsafterthe
machinekeyswitchisturnedoff.TheengineECUmayremain
energizedeventhoughthekeyswitchisintheOFFposition.
IfyoumustdisconnecttheengineECUforanyreason,ensurethatthekeyswitch
isintheOFFpositionwiththekeyremovedbeforedisconnectingtheengine
ECU.Also,topreventpossibleECUdamagewhenweldingonthemachine,
disconnectandremovetheengineECUfromthemachinebeforewelding.
Theengineelectricalcomponents(e.g.,ECU,fuelinjectors,EGR,andexhaust
DPF)areidentiedandmatchedintheengineECUprogram.Ifengineelectrical
componentsarereplaced,theYanmarelectronictoolmustbeusedtoupdatethe
ECUprogramwhichwillensurecorrectengineoperation.
Groundsmaster7210
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