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10.Maintenance of Saw Chain and Guide Bar
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 increases.
• Fuel consumption increases.
Cutter setting standards:
WARNING
Be sure to wear safety gloves.
Before ling:
• Make sure the saw chain is held securely.
• Make sure the engine is stopped.
• Use a round le of proper size for your chain.
Chain type:
IPCS 46: Oregon 91P 061X
File size: 4.0 mm
Place your le on the cutter and push straight forward.
Keep the le position as illustrated.
30°
91P: 0°
After every cutter has been set, check the depth gauge
and le it to the proper level as illustrated.
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 shoul-
der round
3) Depth gauge
standard
(3)