Maintenance of saw chain and guide bar – RedMax G621AVS User Manual
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■ SAW CHAIN
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:
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.
Chain type:
72V
File size:
7/32 in (5.5mm)
Place your file on the cutter and push straight
forward. Keep the file position as illustrated. (F34)
Make sure every cutter has the same length and
edge angles as illustrated. (F35)
(1) Cutter length
(2) Filing angle
(3) Side plate angle
(4) Top plate cutting angle
WARNING
WARNING
10. Maintenance of Saw Chain and Guide Bar
F34
F35