Garage Door Opener Chain Drive Broken

If the gear and sprocket assembly breaks the motor runs but the door won t move.

Garage door opener chain drive broken.

This garage door opener works by moving gears and metal parts together. Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products. For many generations people rely on this type of door opener not only because it is easy to use but also because it is cheap and can easily be repaired when broken. It uses a chain running assembly unit attached to tension springs that lift the garage door up and down.

Garage door opener won t open all the way fix. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. Garage door opener is very strong and seldom does the chain actually break. In this case the cable can be replaced fixing the problem.

Like a chain drive the belt drive operates by moving the rubber belt. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. Quick comparis0n raynor garage door openers ready for a new opener. Sometimes the cable will break if it is a combination chain and cable drive system.

A garage door opener chain may make a lot of noise when you pull it to open your door but it is one of the most reliable types of door openers ever invented. Belt drive garage openers use a rubber belt to open the garage door. I am not a professional. The chain got loose and popped off the gear.

This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener. Download raynor residential garage door opener models specs guide here. Documenting how i repaired the garage door.