DescriptionThis video provides step-by-step instructions for replacing the spark arrestor (or muffler screen) on Echo string trimmers. The most common reason for replacing the spark arrestor is if it is clogged with soot, causing the engine to run poorly or not start, and cleaning it does not solve the problem.
All of the information in this spark arrestor replacement video is applicable to the following brands: Echo, Shindaiwa
Tools used: Torx head screwdriver
Step-By-Step Instructions1
Before you replace the spark arrestor screen on your string trimmer first make sure the engine has cooled.
2
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
Remove the screws securing the engine cover and pull the cover off.
4
Now, remove the screws securing the spark arrestor assembly to the muffler.
5
Lift off the exhaust guide and gasket and remove the old screen.
6
Install the new spark arrestor screen by positioning it on the muffler.
7
Realign the guide and gasket and secure with the screws.
8
Reposition the engine cover and replace the screws to secure it.
9
Reattach the wire and boot to the spark plug and your string trimmer should be ready for use.