15-4
EVERY
100
-
200
HOURS (MONTHLY) CHECKS
and
MAINTENANCE
Checks and maintenance
Reasons
for
requiring them
Clean fuel filter and fuel tank.
The engine will
be
out
of
order.
Clean contact breaker points.
I
The engine output drops.
I
Remove grass, chaff
or
dirt clogged the air
and clean it.
cooling system. Remove the blower housing
The engine overheats.
15-5
EVERY
500
-
600
HOURS (SEMIANNUAL) CHECKS and MAINTENANCE
Checks and maintenance
Reasons for requiring them
Remove cylinder head and remove carbon
deposit.
The
engine
will be out of order.
~~~ ~~ ~~~~~~
Disassemble and clean carburetor,
15-6
EVERY
1000
HOURS (YEARLY) CHECKS
and
MAINTENANCE
I
Checks and maintenance
I
Reasons
for
requiring them
I
Perform overhauls, clean, correct or replace parts.
1
The engine output drops and become out of order.
I
I
Change piston rings.
I
I
Replace fuel pipe once a year.
To
prevent from danger caused by the fuel
leakage.
,
15-7
PREPARATION
for
LONG STORAGE
Perform the above 15-1 and 15-2 maintenance
jobs.
Drain fuel from the fuel tank and carburetor float chamber.
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.
Turn the starting pulley by hand and leave
it
where the resistance
is
the heaviest.
Clean the engine outside with oiled cloth.
Put
a
vinyl or other cover over the engine and store the engine
in
dry place.
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