This video provides step-by-step instructions for replacing the trigger spring on Echo leaf blowers.
Leaf Blower- Model PB580T
Leaf Blower Throttle Trigger Spring Replacement
"Step 1: Unthread the retaining knob screw to release the throttle control from the blower tube clamp.
Step 2: Use a T-27 Torx bit to unthread the four screws securing the two halves of the throttle cable.
Step 3: Lift off the right half.
Step 4: Lift out the trigger and detach the throtte cable.
Step 5: Remove the old spring if still intact.
Step 6: Install the new throttle trigger spring by inserting the hooked end into the hole then position the spring on the trigger hub.
Step 7: Reattach the throttle cable.
"Step 8: Keeping the spring depressed, align the trigger on the post. "
Step 9: Confirm the wires and cable retainer are positioned in the channel and make sure the mounting pin is in place.
Step 10: Realign the two halves of the throttle control and thread the screws.
Step 11: Reposition the throttle control in the blower tube clamp then thread and tighten the retaining knob screw.
Attention: You can rotate the throttle cable adjustment screw clockwise to increase tension on the cable or counter-clockwise to decrease the tension.
Congratulations! Your lead blower should be ready for use.