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26
MAINTENANCE
HOW TO SHARPEN THE CUTTERS
Be careful to le all cutters to the specied angles and to the same length, as fast cutting can be
obtained only when all cutters are uniform.
• Tighten the chain tension enough that the chain does not wobble. Do all of your ling at the
midpoint of the bar. Wear gloves for protection.
• Use a round le and holder.
• Keep the le level with the top plate of the tooth. Do not let the le dip or rock.
• Using light but rm pressure, stroke towards the front corner of the tooth. Lift le away
from the steel on each return stroke.
• Put 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.
Toe
Cutting Corner
Left Hand
Cutters
Right Hand
Cutters
Side Plate
Depth Gauge
PARTS OF A CUTTER
Gullet
Heel
Rivet Hole
Top Plate
CAUTION
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. Failure to replace or repair
damaged chain can cause serious injury.
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