Garage Door Opener Chain Drive Broken

Documenting how i repaired the garage door.

Garage door opener chain drive broken.

Download raynor residential garage door opener models specs guide here. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. Garage door opener won t open all the way fix.

Like belt drive openers raynor chain drive opener models are offered with 1 2 hp to 3 4 hp motors providing sufficient power for all of our residential garage doors. Sometimes the cable will break if it is a combination chain and cable drive system. It uses a chain running assembly unit attached to tension springs that lift the garage door up and down. Like a chain drive the belt drive operates by moving the rubber belt.

Belt drive garage openers use a rubber belt to open the garage door. We design and engineer residential garage door openers commercial door operators and gate entry systems. Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products. This garage door opener works by moving gears and metal parts together.

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. If the gear and sprocket assembly breaks the motor runs but the door won t move. This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener. In this case the cable can be replaced fixing the problem.

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. Garage door opener is very strong and seldom does the chain actually break. The chain got loose and popped off the gear.