Husqvarna FC 450 2018 Repair Manual page 296

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SERVICE SCHEDULE
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 shift mecha-
nism. 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 shaft seal rings and bearing seals of the main bearing.)
o One-time interval
• Periodic interval
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Every 100 operating hours
Every 50 operating hours
Once after 20 operating hours
Once after 10 operating hours
Annually
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