14
GASOLINE CHAIN SAW
9. MAINTENANCE
WARNING
Before cleaning, inspecting or repairing your unit, make sure that engine has stopped and is cool.
Disconnect the spark plug to prevent accidental starting.
MAINTENANCE AFTER EACH USE
1. Air filter
Dust on the cleaner surface can be removed by tapping a comer 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. (F25)
NOTE
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. (F26)
(1) Oiling port
3. Guide bar
When the guide bar is dismounted, remove sawdust in the bar groove and the oiling
port. (F27)
Grease the nose sprocket form the feeding port on the tip of the bar. (F28)
(1) Oiling port
(2) Grease port
(3) Sprocket
4. 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 operation 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 after 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. (F29)
NOTE
Be sure to block the air intake hole.