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Spark Arrestor Replacement On A Stihl Chainsaw

by Hipa Store 24 Nov 2022 0 Comments

This blog is a step-by-step instruction on how to replace and clean a spark arrestor on chainsaws. The most common reason for replacing the spark plug are when the chainsaw won’t start, stops after a few seconds, or runs poorly.

Spark Arrestor Replacement

Before you replace the spark arrestor in your chainsaw, you need to first make sure the engine and muffler have cooled and that the on/off switch is in the off position.
Step 1: Unthread the knobs securing the air filter cover and pull the cover off.
Step 2: Release the retaining bars securing the air filter and pull the filter out.
Step 3: Use a t25 Torx bit screwdriver to remove the screws securing the engine cover. You also need to confirm that the chain brake is engaged then pull the cover off.
Step 4: Use a t20 Torx bit screwdriver to remove the screws securing the spark arrestor. Pull out the old arrestor and install the new spark arrestor by sliding it into place in the muffler. And replace the screw to secure.
Step 5: Next realigned the engine cover, remove the wire and boot from the spark plug to make this easier. Replace the screws to secure the cover and also replace the air filter in the housing and secure it with the retaining bar. Then realign the air filter cover and rethread the knob to secure.
With the repair completed, turn the on/off switch to the on position and your chainsaw should be ready for use.

Please let us know if this works and if you have any suggestions or comments. Or you can join HIPA DIY COMMUNITY to feature your passion for repair projects, share your stories with the Hipa family and get help from Hipa.

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