Then install the helical gear assembly.
How to fix a garage door opener gear.
Required tools for this project.
Replace the cover on the garage door opener plug it back in and start enjoying your now functioning garage door opener.
Lay the chain on the garage floor while you complete the repair.
No matter what type of garage door opener you have you should always lube the rail where it comes in contact with the trolley carriage.
Coat the gear teeth with new grease.
Reassemble the motor assembly and place it back in the opener.
If not your opener might simply be shot and you ll need a new one.
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.
Silicone spray is a good choice.
Shine the flashlight directly at the gear set.
Put a thin layer of the grease included in the kit on the gear.
Pull the chain off the motor unit sprocket and out of the chain spreader.
Remove retaining screws from the cover.
Use a lubricant that doesn t attract dirt.
If the gears have screwed up teeth you can likely just replace them to solve the problem.
Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.
Start by unplugging the motor.
Test your repair with the garage door disconnected from the opener trolley.