Toro Groundsmaster 4100 - Servicing the Diesel-Oxidation Catalyst (DOC) and the Soot Filter

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Figure90
1.Air-cleanersafetylter
2.Resettheindicator(Figure88)ifitshowsred.
Servicingthe
Diesel-OxidationCatalyst
(DOC)andtheSootFilter
ServiceInterval:Every6,000hoursorcleanthesoot
lterifactivefaultsSPN3251HIGH,
SPN3720TOOHIGHSEVERE,orSPN
3720HIGHdisplayintheInfoCenter.
IfenginefaultsACTIVEFAULTSPN3251HIGH,ACTIVE
FAULTSPN3720TOOHIGHSEVERE,orACTIVEFAULT
SPN3720HIGHintheInfoCenter(Figure91)displayin
theInfoCenter,cleanthesootlterusingthesteps
thatfollow:
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Figure91
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Figure92
g213863
Figure93
1.RefertotheEnginesectionintheService
Manualforinformationondisassemblingand
assemblingthediesel-oxidationcatalystandthe
sootlteroftheDPF.
2.RefertoyourauthorizedT orodistributorfor
diesel-oxidationcatalystandthesootlter
replacementpartsorservice.
3.ContactyourauthorizedTorodistributortohave
themresettheengineECUafteryouinstalla
cleanDPF.
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