24
5. Keep the correct sharpening angle of 30° between the le and the saw chain; see Fig. 19
and 20. Always use a le holder (available separately) when sharpening saw chains by
hand. File holders have markings for the sharpening angle.
6. Using light but rm pressure, perform a stroke towards the front corner of the tooth. Lift the
le away from the steel on each return stroke.
Fig. 19
Cutter Tooth
Sharpening
Angle: 30°
Filing Direction
5/32"(4.0mm)
Round File
Fig. 20
7. Make a few rm strokes on every tooth.
File all left-hand cutters in one direction.
Then move to the other side and le the
right-hand cutters in the opposite direction.
Occasionally remove lings from the le
with a wire brush (Fig. 21).
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.
Fig. 21
Left Hand
Cutters
Right Hand
Cutters
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