Service Manual

EngineElectronicControlUnit(ECU)(continued)
Theengineelectricalcomponents(e.g.,ECU,fuelinjectors,EGR,andexhaust
DPF)areidentiedandmatchedintheengineECUprogram.Iftheengine
electricalcomponentsarereplaced,theYanmarelectronictoolmustbeusedto
updatetheECUprogramwhichwillensurecorrectengineoperation.
IftheengineECUidentiesthatanengineproblemexists,theenginespeed
maybereducedortheenginemayshutoff.TheYanmartroubleshootingmanual
andelectronicdiagnosistoolshouldbeusedtoprovideassistanceinidentifying
thecauseoftheproblemandtherepairsthatarenecessary.ContactyourToro
distributorforanyassistanceintheYanmarenginetroubleshooting.
YanmarEngine
CertainReelmaster5410-D,5510-Dand5610-DmachinesuseaYanmarTNV
SeriesdieselenginethatcomplieswithEPATier4Femissionsregulations.The
enginesincludeanelectroniccontrolunit(ECU),anexhaustgasrecirculation
valve(EGR),andadieselexhaustparticulatelter(DPF).Theengineusedin
theReelmaster5610-Dalsoincludesaturbocharger.
TheengineECU,combinedwithnumerousenginesensors,monitorandcontrol
theengineoperationforoptimumperformance.Duringtheoperationofthe
engine,ifconditionswarrant,theengineECUmaygenerateanenginefault.
UsethemachineInfoCentertoidentifytheenginefault;refertoEngineFaults
(page7–35),theYanmarTroubleshootingManual,orcontactanAuthorized
ToroDistributorforassistance.
DieselParticulateFilter(DPF)
g234935
Figure27
1.Diesel-particulatelterassembly(DPF)4.Temperaturesensor(2each)
2.Dieseloxidationcatalyst(DOC)5.Pressuredifferentialsensor
3.Sootlter
Thedieselparticulatelter(DPF)usedonYanmarTier4Fcompliantenginesis
designedtobreakdownthehazardouselementsintheexhaustandpreventthe
dischargeofunburntfueloroilknownasparticulatematterorsoot.TheDPF
includesaDieselOxidationCatalyst(DOC),aSootFilter(SF),2temperature
sensors,andapressuredifferentialsensor.Additionalinformationregardingthe
DieselParticulateFilter(DPF)canbefoundintheYanmarOperationManual–
IndustrialEnginesTNVsuppliedwithyourmachine.
Reelmaster
®
5410/5510/5610Series
Page4–7
YanmarDieselEngine:GeneralInformation
15216SLRevD