Shine the flashlight directly at the gear set.
How to fix a garage door opener gear.
With the gears back in place tighten the chain as directed in your owner s manual.
Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.
Put a thin layer of the grease included in the kit on the gear.
Silicone spray is a good choice.
Reassemble the motor assembly and place it back in the opener.
Remove retaining screws from the cover.
Coat the gear teeth with new grease.
Required tools for this project.
Then install the helical gear assembly.
Lay the chain on the garage floor while you complete the repair.
Reattach the chain and tighten it to the proper tension see your owner s manual.
If the gears have screwed up teeth you can likely just replace them to solve the problem.
If you have a screw drive opener you ll need to grease several spots along the rail gear at least once or twice a year.
Pull the chain off the motor unit sprocket and out of the chain spreader.
Test your repair with the garage door disconnected from the opener trolley.
If not your opener might simply be shot and you ll need a new one.
Replace the cover on the garage door opener plug it back in and start enjoying your now functioning garage door opener.
Start by unplugging the motor.