24
PERIODICAL SERVICE POINTS
1. Start assembly
2. Fan cover
3. Fan
4. Cylinder fins
5. Engine cover
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.
NOTE:
Be sure to unblock the air intake hole.
MAINTENANCE OF THE SAW CHAIN AND CHAIN BAR
The cutters need to be sharpened when:
1. Sawdust becomes powder-like.
2. Cutting requires extra force.
3. The chainsaw does not cut straight and clean.
4. Vibration increases.
5. Fuel consumption increases.
NOTE:
It is very important for smooth and safe operation to
always keep the cutters sharp.
Cutter setting guidance
WARNING!
Be sure to wear safety gloves.
Before filing:
1. Make sure the saw chain is held securely.
2. Make sure the engine is stopped.
3. Use a round file with the proper size for your chain.
NOTE:
Chain type: 91PJ File size: 5/32 in (4mm). Place your
file on the cutter and push straight forward. Position the file
as illustrated.
After each cutter has been set, check the depth gauge and
file it to the proper level as illustrated. Make sure each cutter