Sharpen The Cutters - GreenWorks Pro PSC403 Operator's Manual

It is not necessary to remove the chain cover to adjust the
chain tension.
2. Turn the chain tension screw behind the bar and chain
clockwise to increase the chain tension.
3. Turn the chain tension screw counterclockwise to
decrease the chain tension.
4. When the chain is at the wanted tension, tighten the chain
cover.
9.2

SHARPEN THE CUTTERS

Sharpen the cutters if chain does not go into wood easily.
We recommend that a service center, which has an electric
sharpener, perform important sharpening work.
1. Clamp Bar.
NOTE
NOTE
English
2. Sharpen the cutters corner with a 5/32 in. (4 mm)
diameter round file .
3. Sharpen the top plate, side plate and depth gauge with a
flat file.
4. File all the cutters to the specified angles and the same
length.
During the process:
• Keep the file flat with the surface to be sharpened.
• Use the midpoint of the file bar.
• Use light but firm pressure when sharpening the
surface.
• Lift the file away on each return stroke.
• Sharpen the cutters on one side and then move to the
other side.
Replace the chain if:
• The length of the cutting edges is less than 1/5 in. (5
mm).
11
NOTE
EN