9 SERVICE SCHEDULE
30
every 48 months
every 12 months
Every 100 operating hours
Every 50 operating hours
After 20 operating hours
After 10 operating hours
Perform major engine service including removing and installing the engine. (Change
valves, valve springs, valve spring seats, and valve spring retainers. Change the con-
necting rod, conrod bearing and crank pin. Check the transmission and the shift
mechanism. Check the oil pressure control valve. Change the suction pump. Check
the force pump and lubrication system. Change the timing chain. Change all engine
bearings. Change the radial shaft seal rings and bearing seals of the main bear-
ing.)
●
○ One-time interval
● Periodic interval
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