AdjustingtheEngine-Valve
Clearance
ServiceInterval:Every1,000hours
Refertoyourengineowner’smanualforthe
adjustmentprocedure.
CleaningtheEngineEGR
Cooler
ServiceInterval:Every1,500hours
ForinformationoncleaningtheengineEGRcooler,
refertoyourengineoperator’smanual.
InspectingtheEngine
Crankcase-Breather
System
ServiceInterval:Every1,500hours
Forinformationoninspectingtheengine
crankcase-breathersystem,refertoyourengine
operator’smanual.
CheckingandReplacing
FuelHosesand
Engine-CoolantHoses
ServiceInterval:Every2,000hours/Every2years
(whichevercomesrst)
Forinformationoncheckingandreplacingfuelhoses
andengine-coolanthoses,refertoyourengine
operator’smanual.
LappingorAdjustingthe
EngineIntakeandExhaust
Valves
ServiceInterval:Every2,000hours
Forinformationonlappingoradjustingtheengine
intakeandexhaustvalves,refertoyourengine
owner’smanual.
InspectingandCleaning
Engine-Emission-Control
Componentsand
Turbocharger
ServiceInterval:Every3,000hours
Forinformationoninspectingandcleaningthe
engine-emission-controlcomponents,refertoyour
engineoperator’smanual.
Servicingthe
Diesel-OxidationCatalyst
(DOC)andtheSootFilter
ServiceInterval:Every6,000hoursorcleanthesoot
lterifenginefaultsSPN3720FMI
16,SPN3720FMI0,orSPN3720FMI
16displayintheInfoCenter.
•IfadvisorymessageADVISORY179displaysinthe
InfoCenter,theDPFisnearingtherecommended
pointforservicingthediesel-oxidationcatalystand
thesootlter.
g213865
Figure96
•IfenginefaultsCHECKENGINESPN3251FMI0,
CHECKENGINESPN3720FMI0,orCHECKENGINE
SPN3720FMI16intheInfoCenter(Figure97)
displayintheInfoCenter,cleanthesootlterusing
thestepsthatfollow:
71