Toro Groundsmaster 7210 - Seat Adjustment and Manual Handling

EngineElectronicControlUnit(ECU)(continued)
IftheengineECUidentiesthatanengineproblemexists,theenginespeedmay
bereducedortheenginemayshutoff.TheYanmartroubleshootingmanualand
electronicdiagnosistoolandshouldbeusedtoprovideassistanceinidentifying
thecauseoftheproblemandtherepairsthatarenecessary.ContactyourT oro
distributorforassistanceinYanmarenginetroubleshooting.
YanmarEngine
g036118
Figure7
TheengineusedonyourGroundsmasterisaYanmarTNVSeries,dieselengine
thatcomplieswithEPATier4Femissionregulations.Theenginefeatures
includeanelectroniccontrolunit(ECU)thatcontrolsacommonrailfuelinjection
systemwithdirectinjection,water-cooledexhaustgasrecirculation(EGR),an
electronicgovernor,anexhaustsystemdieseloxidationcatalyst(DOC),and
anexhaustdiesel-particulatelter(DPF)withactiveregeneration.Glowplugs
areusedtoassiststartingtheengine.Numerousenginesensorsareusedto
allowtheengineECUtomonitorandcontroltheengineoperationforoptimum
engineperformance.
TheengineECU,combinedwithnumerousenginesensors,monitorandcontrol
theengineoperationforoptimumperformance.Duringtheoperationofthe
engine,ifconditionswarrant,theengineECUmaygenerateanenginefault.Use
themachineInfoCentertoidentifytheenginefault;refertoStartingProblems
(page5–16),theYanmarTroubleshootingManual,orcontactanAuthorized
ToroDistributorforassistance.
DieselParticulateFilter(DPF)
Thedieselparticulatelter(DPF)usedonYanmarTier4Fcompliantenginesis
designedtobreakdownthehazardouselementsintheexhaustandpreventthe
dischargeofunburntfueloroilknownasparticulatematterorsoot.TheDPF
includesaDieselOxidationCatalyst(DOC),aSootFilter(SF),2temperature
sensors,andapressuredifferentialsensor.Additionalinformationregardingthe
DieselEngine:GeneralInformation
Page3–4
Groundsmaster7210
16222SLRevC