5. Keep the correct sharpening angle
of 30° between the file and the
saw chain (see Fig. 18 and 19).
Always use a file holder (available
separately) when sharpening saw
chains by hand. File holders have
markings for the sharpening angle.
6. Using light but firm pressure to
perform a stroke towards the front
corner of the tooth. Lift the file away
from the steel on each return stroke.
7. Make a few firm strokes on every
tooth. File all left-hand cutters in
one direction. Then move to the
other side and file the right-hand
cutters in the opposite direction.
Occasionally remove filings from the
file with a wire brush (Fig. 20).
WARNING:
sharpened chain can cause excessive
motor speed during cutting, which may
result in severe motor damage.
WARNING:
sharpening increases the potential of
kickback.
WARNING:
or repair a damaged chain can cause
serious injury.
A dull or improperly
Improper chain
Failure to replace
POLE SAW ATTACHMENT — PSX2500/PSX2500-FC
18
0.177" (4.5 mm)
Round File
Filing Direction
19
20
Left Hand
Cutters
Cutter tooth
Sharpening
Angle: 30°
Right Hand
Cutters
29