56V LITHIUM-ION CORDLESS CHAIN SAW42
WARNING:
A dull or improperly sharpened chain can cause excessive motor
speed during cutting, which may result in severe motor damage.
WARNING:
Improper chain sharpening increases the potential of kickback.
WARNING:
Failure to replace or repair a damaged chain can cause serious
injury.
Top Plate Sharpening Angles (Fig. 34)
CORRECT 30°- This optimal angle
can be obtained only when the
specied les and proper setting
are used. File holders are marked
with guide marks to align the le
properly to produce the correct top
plate angle.
LESS THAN 30°- The tooth is too
dull for cutting.
MORE THAN 30°- The edge of the
cutting tooth is feathered and dulls
quickly.
Side Plate Angle (Fig. 35)
CORRECT 55°- The optimal angle
can be produced automatically if the
correct diameter le is used in the
le holder.
HOOK- “Grabs” and dulls quickly.
Increases potential of KICKBACK. Results from using a le with a diameter that is
too small, or a le held too low.
BACKWARD SLOPE- Needs too much feed pressure, causes excessive wear to bar
and chain. Results from using a le with a diameter too large, or a le held too high.
30°
34
CORRECT INCORRECT
LESS THAN 30° MORE THAN 30°
INCORRECT
Top Plate Sharpening Angles
55°
35
CORRECT INCORRECT
Hook
Backward Slope
INCORRECT
Side Plate Angle
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