2. Pull the front hand guard rearward in the direction of
the front handle to disengage the chain brake.
3. Turn the guide bar retaining knob counterclockwise
and remove it.
4. Remove the drive sprocket cover.
5. Put on protective chainsaw gloves.
6. Lift the saw chain above the drive sprocket and
engage it in the groove on the guide bar. Start on the
top edge of the guide bar.
7. Make sure that the edges of the cutting links are
turned forward on the top edge of the guide bar.
8. Assemble the sprocket cover and steer the chain
adjuster pin to the hole in the guide bar.
9. Make sure that the drive links of the saw chain fit
correctly on the drive sprocket. Also make sure that
the saw chain is correctly engaged in the groove in
the guide bar.
10. Tighten the guide bar retaining knob finger tight.
11. Tighten the saw chain by turning the chain tension
knob clockwise. Tighten the saw chain until it does
not sag from below the guide bar, but you can turn it
easily by hand.
12. Hold up the guide bar tip and tighten the guide bar
retaining knob fully.
• Examine the chain tension frequently after you
assemble a new saw chain, until the saw chain has
been run-in.
• Examine the chain tension regularly. A saw chain
stretches during operation. Correct chain tension
results in good cutting performance and a long life.
OPERATION
WARNING: Read and understand the safety
chapter before you operate the product.
To lubricate the saw chain
The product has an automatic lubrication system. Make
sure to only use the correct chain oil and obey the
instructions.
1. Use vegetable-based saw chain oil or a standard
chain oil.
2. Make sure that the area near the cap of the saw
chain oil tank is clean.
3. Remove the cap of the saw chain oil tank.
4. Fill the saw chain oil tank with the recommended
saw chain oil.
5. Put back the cap of the saw chain oil tank.
Before you start the product
• Examine the product for missing, damaged, loose or
worn parts.
• Examine the nuts, screws and bolts.
• Examine the trigger for correct operation.
• Examine the power button for correct operation.
To install the battery pack
• Align the ribs of the battery pack with the slots in the
battery compartment. Push the battery pack into the
battery compartment until you hear a click.
• To remove the battery pack, push and hold the
battery release button and pull out the battery pack.
Chain efficiency test indicator
Use the saw chain efficiency test indicator to make sure
the saw chain tension and system is correct before you
use the product.
• Add bar and chain oil to the chain oil tank.
• Press and hold the efficiency mode button until it
flashes to start the saw chain efficiency test
indicator.
• Hold the product with two hands and pull the trigger
fully until the lights on the power meter stop.
• The power meter shows the saw chain efficiency. If
the saw chain efficiency is too low, the 2 lights on the
left side of the power meter will be on. If the saw
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