15-5
EVERY
500
-
600
HOURS (SEMIANNUAL) CHECKS
and
MAINTENANCE
I
Checks and maintenance
‘I
Reasons for requiring them
I
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
Reasons for requiring them
I
Perform overhauls, clean, correct or replace parts.
1
The engine output drops and become out of order.
I
Change piston rings.
Replace fuel pipe once
a
year.
To
prevent from danger caused by the fuel
leakage.
15-7
PREPARATiON
for
LONG ABEYANCE
1)
Perform the above
15-1
and 15-2 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 the engine outside with oiled cloth.
6)
Put a vinyl
or
other cover over the engine and store the engine in
dry
place.
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-
50
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