Operator's Manual
MaintenanceService
Interval
MaintenanceProcedure
Every6,000hours
•Disassemble,clean,andassemblethesootlteroftheDPF .orcleanthesoot
lterifenginefaultsSPN3720FMI16,SPN3720FMI0,orSPN3720FMI16display
intheInfoCenter.
Every2years
•Flushthecoolingsystemandreplaceuid.
•Replacemovinghoses.
CAUTION
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentlystarttheengineand
seriouslyinjureyouorotherbystanders.
Removethekeyfromtheignitionbeforeyoudoanymaintenance.
ServiceIntervalChart
decal121-1677
Figure58
49