28 MAINTENANCE
MAINTENANCE First
8 hr.
INTERVAL
Eve Eve ''EVe E,e E,e
25 hr. 50 hr. lOOhr, 200 hr. 250 hr. 300 hr. 500 hr.
Daily
*Check or clean air inlet screen. •
L ...............................................
_Clean dustand dirtfrom cylinder
Kand cylinderhead fins. •
Tighten nutsand screws. ,_
Change engine oil. • e
eCheck and clean oil cooler fins
(FH721V model). •
Clean and regap spark plugs. •
Changeoil filter. •
Replaceair cleaner paperetement =
_Replace air cleaner primary
element (Heavy Duty Air Cleaner). •
_Check air cleaner secondary
element (Heavy DutyAirCleaner), ..................................... =
KClean combustion chamber. •
KCheck and adjust valve clearance, •
,,, ,,,,, .... ,,,,,,,,,,,,,, ,, , , , ..... , , , , , , ,
KClean and lap valve seating
surface, •
Replace air cleaner secondary
e_ement(Heavy DutyAir Cleaner). •
1
MAINTENANCE 29
Oil Level Check
Check the oil level daily and before each time of
operation. Be sure the oil ieve! ismaintained. See
PREPARATION chapter.
Engine Oil Capacity
FH601V 1.5 L (1.6 US'qt)
FH641V [when oil filter ts not removed]
FH66!V t,7 L (1.8 US,Rt)
......FHOSOV....... who,o,.!t=*sremoved]............
1.5 L (1.6 US.qt)
[when oil filter is not removed]
FH721V 1,8 L (t.9 US.qt)
[when oil filter is removed]
Oil Cooler Service (FH721V Mode|)
Check and clean oil cooler fins every I00 hours.
• Clean d_ offthe outside fins with a brushor com-
pressed air.
A. Oil Cooler Fins
B. Oil Filter
46
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