Echo PPT-230 Manuel d'utilisateur télécharger pdf (Page 24)

FILING SAW CHAIN

Level 3.

Tools required: 4.5 mm round File P/N 89751001130; Flat File

P/N 89751100230; Depth Gauge P/N 89751400232.

IMPORTANT

Dull or damaged cutters will result in poor cutting performance,

increased vibration, and premature saw chain failure.

WARNING DANGER

Always stop engine and disconnect spark plug wire before

servicing guide bar and saw chain. Always wear gloves when filing

saw chain, otherwise serious personal injury may result.

1. Set round file (A) in cutter at 30° angle. One fifth (1/5) of the file

should be exposed above top cutter edge.

2. Keep file horizontal in cutter and file in one direction.

3. File until cutter top and side bevel edges are sharp without nicks.

4. Place depth gauge tool (B) firmly on top of cutter with .025" slot

and end against front cutter raker. File cutter raker with flat file until

flush with top of depth gauge.

5. Finish cutter sharpening by rounding front raker edge (C) with flat

file.

6. Properly filed cutter is as shown.

7. Apply clean oil and rotate saw chain slowly to wash away filings.

8. If saw chain is coated or clogged with resin, clean in kerosene, then

soak in oil.

(TOP PLATE ANGLE)

(SIDE PLATE ANGLE)

(DEPTH GAUGE)

(TOP PLATE CUTTING ANGLE)

30°

90°

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Echo PPT-230 Manuel d'utilisateur Page 24