15.
MAINTENANCE
AND
STORING
The following maintenance
jobs
apply when the engine
is
operated correctly under normal conditions.
0
The indicated maintenance intervals are by
no
means guarantees
for
maintenance free operations during
-
these intervals.
For
example, if the
engine
is
operated
in
extremely dusty conditions, the air cleaner
should
be
cleaned
every day instead
of
every
50
hours.
15-1
DAILY CHECKS and MAINTENANCE
I
i
I
Checks and Maintenance
The governor linkage is especially susceptible
to
dust
Remove dust from whatever parts which accumulated
Reasons
for
requiring them
dust.
Check external fuel leakage.
If
any, retighten the Danger
of
causing fire.
loose
part or replace fautty part.
Check screw tightening.
If
any
loose one
is
found,
the engine damage.
re-tighten.
Loose screws
and
nuts will cause vibration resulting
in
15-2
EVERY
50
HOURS
(10
DAYS)
CHECK and MAINTENANCE
r---
~~ ~~
Reasons
for
requiring them
1
I
Clogged air cleaner affects engine operation.
Clean air cleaner
Check spark plug.
If
contaminated,
wash
in gasoline
or polish
with
emery paper.
Output
power is reduced and starting is made difficult.
15-3
EVERY
100
to
200
HOURS
(MONTHLY)
CHECKS and MAINTENANCE
Checks and Maintenance
1
~~ ~ ~~
Reasons
for
requiring them
Clean fuel strainer and fuel tank. The carburetor
will
be clogged
with
dirt
or
dust
causing
bad starting or poor operation.
154
EVERY
500
to
600
HOURS
(SEMIANNUAL) CHECKS and MAINTENANCE
Checks and Maintenance
Reasons
for
requiring them
Remove cylinder head
and
remove carbon deposit.
muffler.
Remove carbon deposit from exhaust port and
The
engine
output
power drops.
I
Disassemble and clean carburetor.
I
poor operation.
-
61
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