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If any of these conditions exist, sharpen or replace the saw chain. Refer to Replacing the Guide Bar and
Saw Chain.
NOTE: If you do not fully understand the process for properly sharpening a saw chain, have the saw
chain sharpened by an authorized service center or replace the saw chain.
REPLACING THE GUIDE BAR AND SAW CHAIN
WARNING:
danger of kickback. Low-kickback saw chain does not completely eliminate kickback. A
low-kickback or "safety chain, " should never be regarded as total protection against injury.
When replacing the guide bar and saw chain, only use the replacement parts specified by the
manufacturer or their equivalents. Refer to Replacement Parts. Use of any unauthorized parts or
accessories could lead to serious injury to the operator or damage to the unit and will VOID the warranty.
Always use a replacement saw chain designated as "low-kickback" or a saw chain that meets the low-
kickback performance requirements. A standard saw chain (a chain that does not have the
kickback-reducing guard links) should only be used by an experienced professional pole saw operator.
MAINTAINING THE AIR FILTER
Failure to maintain the air filter can result in poor performance or can cause permanent damage to the
engine. Engine failure due to improper air filter maintenance is not covered by the product warranty.
Cleaning the Air Filter
1. Open the air filter cover: Hook your fingers behind the cover tab. To unlock the air filter cover, pull it
to the left and away from the engine. This may require a firm pull. Swing the air filter cover to the
right (Fig. 26).
2. Remove the air filter from inside the air filter cover (Fig. 26).
3. Wash the air filter in detergent and water. Rinse the air filter thoroughly and allow it to dry.
4. Lightly coat the air filter with clean SAE 30 oil.
5. Squeeze the air filter to spread and remove excess oil.
6. Reinstall the air filter inside the air filter cover (Fig. 26).
NOTE: Operating the unit without the air filter and air filter cover will VOID the warranty.
7. Close the air filter cover: swing the air filter cover to the left and press it closed until the lock tab
snaps into place (Fig. 26).
Always use a low-kickback saw chain, which significantly reduces the
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