Garage Door Sprocket Not Turning

Shredded plastic gears are a common problem with chain driven garage door openers.

Garage door sprocket not turning. If the gear is worn or damaged the door won t move properly. This is a video on how to change the gear sprockets in a craftsman garage door opener. Some people try to wind a garage door torsion spring themselves. In this video i ll show you the issue with a garage door opener that makes noise but won t move.

Fortunately the repair is neither difficult nor expensive and it should only take an hour of your time. 3 if the chain still doesn t move check the force settings on the motor head. If the gear becomes too worn it will no longer be able to move the chain. Turn them to clockwise to max and try again.

If you have a garage door that has a lock engaged and you try to use an opener to get the door to go up the motor opener will still try to engage and move the door into the up position. You may want to think twice before replacing your garage door spring yourself. In this case the motor will run and the gear will turn but the chain will not move and the door will not open. This excess tension causes the gear that moves the chain to grind down.

Those are the two blue screws. Here are 5 costly garage door mistakes you do not want to make. This was a craftsman model 139 53976srt. 2 if it is getting power then disconnect the door and then see if the chain will move.

The plastic gear on the drive shaft is designed to fail if the garage door gets stuck in the travel tracks protecting the expensive drive motor from damage. Check the breaker controlling the door opener and reset if it it s tripped. 5 common diy garage door spring mistakes. Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries.

A recipe for disaster. The opener motor is fine but the shaft doesn t turn. Replace the gear shaft and sprocket assembly if it s damaged or worn out. So if you suddenly find that the motor on your garage door opener sounds like it s running but the door is not moving checking for worn gears is the first thing you should do.

Winding a torsion spring with a screw driver.