16
GASOLINE CHAIN SAW
10. MAINTENANCE OF SAW CHAIN AND GUIDE BAR
SAW CHAIN
WARNING
It is very important for smooth and safe operation to keep the cutters always sharp.
Your cutters need to be sharpened when:
Sawdust becomes powder-like.
You need extra force to saw in.
The cut way does not go straight.
Vibration increase.
Fuel consumption increases.
Cutter setting standards:
WARNING
Be sure to wear safety gloves.
Before filing:
Make sure the saw chain is held securely.
Make sure the engine is stopped.
Use a round file of proper size for your chain.
File size: 3/16 in (4.76 mm).
Place your file on the cutter and push straight forward. Keep the file position as
illustrated. (F34)
After every cutter has been set. Check the depth gauge and file it to the proper
level as illustrated. (F35)
WARNING
Be sure to round off the front edge to reduce the chance of kickback or tie-strap
breakage.
(1) Appropriate gauge checker
(2) Make the shoulder round
(3) Depth gauge standard
Make sure every cutter has the same length and edge angles as illustrated (F36)
(4) Cutter length
(5) Filing angle
(6) Side plate angle
(7) Top plate cutting angle
