This video provides step-by-step repair instructions for replacing the speed control lever on a Husqvarna leaf blower. The most common reason for replacing the lever is when the control lever will not hold the throttle lever at the desired speed.
All of the information in this speed control lever replacement video is applicable to following brands: Husqvarna
Tools used: needle nose pliers, flat head screwdriver, Phillips head screwdriver, mallet, 7mm socket
Before you replace the speed control lever in your leaf blower remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
Use a 10mm wrench to unthread the adjustment bolt safety cap.
Unthread the wing nut and remove the adjustment bolt.
Next, use a phillips-head screwdriver to unthread all of the screws securing the handle.
Separate the two halves of the handle.
Lift out the throttle lever and rotate to detach it from the throttle cable.
Use a large flat-head screwdriver to pry off the speed control lever retaining clip.
With the clip removed, lift off the three washers.
If necessary, you can use the screwdriver to help remove the control lever and mounting pin from the handle. You can use a large socket and mallet to knock out the mounting pin from the old lever.
Prepare the new speed control lever for installation by inserting the mounting pin into the lever – you can use the large socket and pliers to do this.
Now insert the mounting pin through the hole in the handle – you may need to use some force to fully seat the pin.
Slide on the large washer followed by the tension washer with the beveled edge facing down.
Slide on the small washer then replace the retaining clip to secure.
You can use a 7mm socket and pliers to help fully seat the clip.
Reattach the throttle lever to the cable then slide the lever into place on the mounting pin.
Confirm that all of the components are in place then join the two halves of the handle together around the blower hose.
Replace all of the screws to secure.
Insert the adjustment bolt.
Tighten the wing nut and thread on the safety cap.
With the repair completed reattach the wire and boot to the spark plug and your leaf blower should be ready for use.