13-4
EVERY
400"200
HRS.
(
AINTENANCE
MAINTENANCE REMARKS
I
1)
Clean fuel filter and fuel tank.
I
2)
Inspect cooling system and remove Remove blower housing and clean up between fins and
dirt and chaff.
housing.
I
13-
5
EVERY
500"600
HRS.
MAINTENANCE
I
MAINTENANCE
I
REMARKS
1)
Remove carbon from cylinder Carbon deposits in combustion chamber causes lack
of
head.
power.
I
2)
Disassemble and clean carburetor.
MAINTENANCE
REMARKS
1)
Overhaul engine. Clean and correct parts.
Replace piston rings and other necessary parts.
I
2)
Replace fuel lines once a year.
I
Avoid hazards caused by fuel leakage.
I
I
I
I
13-
7
ENGINE
STORAGE
(1)
Perform the above
13-
1
and
13-
2
maintenance jobs.
(2)
Drain fuel from the fuel tank and carburetor float chamber.
(3)
To
prevent rust in the cylinder bore, apply oil through the spark plug hole and turn the
crankshaft several turns by hand. Reinstall the plug.
(4)
Turn the starting pulley
by
hand and leave
it
where the resistance is the heaviest.
(5)
Clean outside
of
the engine with oiled cloth.
(6)
Put a plastic cover or the like over the engine and store the engine
in
dry place.
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73
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