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 dust and dirt from cylinder
Kand cylinderhead fins.
•
Tighten nuts and screws.
,_
Change engine oil.
•
e
eCheck and clean oil cooler fins
(FH721V model).
•
Clean and regap spark plugs.
•
Changeoil filter.
•
Replace air cleaner paper etement
=
_Replace air cleaner primary
element (Heavy Duty Air Cleaner).
•
_Check air cleaner secondary
element (Heavy Duty Air Cleaner), .....................................
=
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! is maintained. 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=*s removed]
............
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