Servicingthe
Diesel-OxidationCatalyst
(DOC)andtheSootFilter
ServiceInterval:Every6,000hoursorcleanthesoot
lterifenginefaultsSPN3720FMI
16,SPN3720FMI0,orSPN3720FMI
16displayintheInfoCenter.
•IfadvisorymessageADVISORY179displaysinthe
InfoCenter,theDPFisnearingtherecommended
pointforservicingthediesel-oxidationcatalystand
thesootlter.
g213865
Figure70
•IfenginefaultsCHECKENGINESPN3251FMI0,
CHECKENGINESPN3720FMI0,orCHECKENGINE
SPN3720FMI16intheInfoCenter(Figure71)
displayintheInfoCenter,cleanthesootlterusing
thestepsthatfollow:
g214715
g213864
g213863
Figure71
1.RefertotheEnginesectionintheService
Manualforinformationondisassemblingand
assemblingthediesel-oxidationcatalystand
thesootlteroftheDPF .
2.RefertoyourAuthorizedT oroDistributorfor
diesel-oxidationcatalystandthesootlter
replacementpartsorservice.
3.ContactyourAuthorizedT oroDistributorto
havethemresettheengineECUafteryou
installacleanDPF.
FuelSystem
Maintenance
Note:RefertoFuelSpecication(page15)forproper
fuelrecommendations.
DANGER
Undercertainconditions,dieselfuelandfuel
vaporsarehighlyammableandexplosive.A
reorexplosionfromfuelcanburnyouand
othersandcancausepropertydamage.
•Useafunnelandllthefueltankoutdoors,
inanopenarea,whentheengineisoffand
iscold.Wipeupanyfuelthatspills.
•Donotllthefueltankcompletelyfull.Add
fueltothefueltankuntilthelevelistothe
bottomofthellerneck.
•Neversmokewhenhandlingfuel,andstay
awayfromanopenameorwherefuel
fumesmaybeignitedbyaspark.
•Storefuelinaclean,safety-approved
containerandkeepthecapinplace.
ServicingtheEngineFuel
Filter
ServiceInterval:Every400hours
Theenginefuelltershouldbereplacedafterevery
400hoursofoperation.
1.Cleantheareaaroundthefuellterhead(Figure
72).
g021576
Figure72
1.FuelFilterhead2.FuelFilter
2.Removethelterandcleanthelterhead
mountingsurface(Figure72).
49