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1. Stand on the uphill side.
2. Control the chainsaw.
3. Hold the handles tightly.
4. Release the cut pressure near the end of the cut.
NOTE
Do not let the chain touch the ground.
When bucking is complete,
1. Release the trigger.
2. Stop the chainsaw fully.
3. Move the chainsaw from tree to tree.
5 MAINTENANCE
CAUTION
Do not let brake fluids, gasoline, petroleum-based materials
touch the plastic parts. Chemicals can cause damage to the
plastic, and make the plastic unserviceable.
CAUTION
Do not use strong solvents or detergents on the plastic
housing or components.
WARNING
Remove the battery pack from the machine before
maintenance.
5.1 ADJUST THE CHAIN TENSION
Figure 2-7.
The more you use a chain the longer it becomes. It is
therefore important to adjust the chain regularly to take up the
slack.
Tension the chain as tightly as possible, but not so tight that
you cannot pull it round freely by hand.
WARNING
A slack chain may jump off and cause serious or even fatal
injury.
CAUTION
Wear protective gloves if you touch the chain, bar or areas
around the chain.
1. Stop the machine.
2. Loosen the chain cover by turning the chain cover knob
counterclockwise.
NOTE
It is not necessary to remove the chain cover to adjust the
chain tension.
3. Turn the chain tension knob clockwise to increase the
chain tension.
4. Turn the chain tension knob counterclockwise to decrease
the chain tension.
5. When the chain is at the wanted tension, tighten the chain
cover.
6. Pull the chain in the middle of the guide bar at the bottom
away from the bar. The gap between the chain guide and
the guide bar should be between 3 mm and 4 mm.
5.2 SHARPEN THE CUTTERS
Sharpen the cutters if it is not easy for the chain to go into the
wood.
NOTE
We recommend that a service center, which has an electric
sharpener, perform important sharpening work.
Figure 16-19.
1. Tensioning chain.
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.
NOTE
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 5 mm.
• There is too much space between the drive links and the
rivets.
• The cut speed is slow
• Sharpening the chain many times but it does not increase
the cutting speed. The chain is worn.
5.3 GUIDE BAR MAINTENANCE
Figure 20-21.
NOTE
Make sure that it is turned over periodically to keep
symmetrical wear on the bar.
8
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