30
How to Sharpen the Cutters
Be sure to le all cutters (Fig. 29) to the
specied angles and to the same length, as fast
cutting can be obtained only when all cutters
are uniform.
1.
Remove the battery pack. Wear gloves for
protection.
2.
Properly tension the chain prior to
sharpening. Refer to the section: “Adjusting
the Chain Tension” earlier in this manual.
3.
Use a 5/32” (4.0 mm) diameter round le and
holder (available separately). Perform all of your
ling at the middle position of the guide bar.
4.
Keep the le level with the top plate of the
tooth. Do not let the le dip or rock.
5.
Keep a correct sharpening angle of 30° between the le and the saw chain; see Fig. 30 and
31. Always use a le holder (available separately) when sharpening saw chains by hand. File
holders have markings for the sharpening angle.
Fig. 30
5/32" (4.0 mm)
Round File
Filing Direction
Cutter tooth
Sharpening
Angle: 30°
Fig. 31
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.
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. 32).
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. 29
Top Plate
Side Plate
Depth
Gauge
Fig. 32
Left Hand
Cutters
Right Hand
Cutters
To Next Page
Loading...
Need help?
General
