DescriptionThis video provides step-by-step repair instructions for replacing the throttle control trigger on an Echo leaf blower. The most common reason for replacing the throttle trigger is when the engine doesn’t throttle up when the throttle trigger is pulled.
All of the information for this throttle control trigger replacement video is applicable to the following brands:
Echo
Tools needed: T-25 Torx bit screwdriver, ¾ inch socket
Step-By-Step Instructions1
Before you replace the throttle trigger on your leaf blower make sure the engine has cooled and the on-off switch is in the “off” position.
2
Remove the wire and boot from the spark plug.
3
Use a 3/4 inch socket or spark plug wrench to help loosen and remove the plug.
4
Now use a t-25 torx bit screwdriver to unthread the mounting screws securing the engine cover.
5
With the screws removed, carefully detach the cover.
6
Detach the throttle linkage from the trigger and pull the old trigger off.
7
Install the new throttle trigger by aligning it on the handle post.
8
Confirm that the linkage is attached to the throttle cable and that the cable is aligned with the groove in the cable guide.
9
Then attach the linkage to the new trigger.
10
With the new trigger installed, realign the engine cover.
11
Replace the mounting screws to secure the cover.
12
Rethread the spark plug.
13
Be careful not to strip the threads by over-tightening.
14
Reattach the wire and boot to the plug.
15
With the reassembly complete turn the on-off switch to the “on” position and your leaf blower should be ready for use.