Service Manual

Table Of Contents
DieselParticulateFilter
g249683
Figure9
1.DieselParticulateFilterassembly(DPF)
2.DieselOxidationCatalyst(DOC)
3.Sootlter
4.Temperaturesensor(2each)
5.Pressuredifferentialsensor
Thedieselparticulatelter(DPF)usedonYanmarTier4Fcompliantenginesis
designedtobreakdownthehazardouselementsintheexhaustandpreventthe
dischargeofunburnedfueloroilknownasparticulatematterorsoot.TheDPF
includesaDieselOxidationCatalyst(DOC),aSootFilter(SF),2temperature
sensors,andapressuredifferentialsensor.Additionalinformationregardingthe
DieselParticulateFilter(DPF)canbefoundintheYanmarOperationManual
IndustrialEnginesTNVsuppliedwithyourmachine.
Regeneration
TheengineECUmonitorstheexhaustpressurebeforeandafterthesootlter
intheDPFtodetermineifsootisaccumulating.Ifsootisaccumulatingduring
normalengineoperation,thepressuredifferentialwillincrease.Theincrease
inpressurewillsignaltheenginetobeginaprocesscalledregeneration.
Regenerationincreasestheexhausttemperatureandthelengthoftimethe
engineoperatesatahigherthannormalexhausttemperature,incineratingthe
builtupsootandturningitintoash.Thedifferenttypesofregenerationusedare
listedinorderbasedontheamountofparticulatematterinthesootlter(leastto
most).Thelengthoftimetheenginewilloperateatahigherthannormalexhaust
temperaturetoburnoutthesootisalsorelatedtotheamountofparticulate
matterinthesootlter.
Outcross9060
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Engine:GeneralInformation
18234SLRevD