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4. Others
Check for fuel leakage and loose fastenings and
damage to major parts, especially handle joints and
guide bar mounting and muffler. If any defects are
found, make sure to have them repaired before
operating again.
■ PERIODICAL SERVICE POINTS
1. Air cooling system
Dust clogging around the cooling system and the
cylinder fins will cause overheating of the engine.
Periodically check and clean the cooling system and
the cylinder fins with a brush after removing the
cylinder cover, the air cleaner and the recoil case.
When installing the cylinder cover and the cooling
system, make sure that switch wires and grommets are
positioned correctly in place. (F10-5)
(1) Recoil case
(2) Fan cover
(3) Fan
(4) Cylinder fins
(5) Cylinder cover
Be sure to block the air intake hole.
2. Spark arrester
The muffler is equipped with a spark arrester to
prevent red hot carbon from flying out of the exhaust
outlet. Periodically check and clean as necessary with
a wire brush after removing two muffler cover nuts and
one screw. (F10-6)
(1) Spark arrester
Never use a muffler if the spark arrester is missing or
defective.
3. Exhaust port
Remove the muffler, insert a screwdriver into the vent,
and wipe away any carbon buildup after every 100
hours of use. Wipe away any carbon buildup on the
muffler exhaust vent and the cylinder exhaust port at
the same time. (F10-7)
(1) Muffler exhaust vent
(2) Cylinder exhaust port
NOTE
NOTE
10. Maintenance
English
F10-7
F10-6
F10-5