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9. MAINTENANCE
WARNING! Before cleaning, inspecting or repairing your unit, make sure that the engine has stopped
and is cool. Disconnect the spark plug to prevent accidentally starting the engine starting.
MAINTENANCE AFTER EACH USE
1. Air filter
Dust on the cleaner surface can be removed by tapping a corner of the cleaner against a hard surface.
To clean dirt in the meshes, split the cleaner into halves and brush in gasoline. When using compressed
air, blow from the inside. (F27)
To assemble the cleaner halves, press the rim until it clicks.
When installing the main filter, make sure that the grooves on the filter edge are correctly fit with the
projections on the cylinder cover.
2. Oiling port
Dismount the guide bar and check the oiling port for clogging. (F28)
(1) Oiling port.
3. Guide bar
When the guide bar is dismounted, remove sawdust in the bar groove and oiling port. (F29)
4. Grease the nose sprocket from the feeding port on the tip of the bar. (F30)
(1) Oiling port.
(2) Grease port.
(3) Sprocket.
5. Others
Check for fuel leakage and loose fastenings and damage to major parts, especially handle joints and
guide bar mounting. If any defects are found, make sure to have them repaired before operating again.
PERIODICAL SERVICE POINTS
1. Cylinder fins
Dust clogging between the cylinder fins will cause overheating of the engine.
Periodically check and clean the cylinder fins aﬞer removing the air cleaner and the cylinder cover.
When installing the cylinder cover, make sure that switch wires and grommets are positioned correctly
in place. (F31)
F27
F28
(1)
F29
(1)
F30
(2)
(3)
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