10. Maintenance of Saw Chain and Guide Bar

F34

F35

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 increases.

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.

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

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RedMax G621AVS manual Maintenance of Saw Chain and Guide Bar, F34 F35, SAW Chain