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20 X7702092204
© 10/2013 ECHO Inc.
MAINTENANCE 99944200532
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
in. 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.
2
90
°
3
90
°
4
5
6
55
Top Plate Angle
Top Plate Cutting Angle
Depth Gague