How To Repair Garage Door Chain Drive

Documenting how i repaired the garage door.

How to repair garage door chain drive.

Garage door opener is very strong and seldom does the chain actually break. Having an automatic door opener in your garage is a great convenience but you have to give the opener and all its parts regular. Press down on the chain with your finger. Sometimes the cable will break if it is a combination chain and cable drive system.

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. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. This video from sears partsdirect shows how to replace the chain and cable assembly on a chain drive garage door opener. In this case the cable can be replaced fixing the problem.

Pull the chain toward the garage door and hold it in position. I am not a professional. Located along the rail the chain an. Chain drive garage door openers have a sprocket that is attached at the top of the motor.

Thread the nut s facing the door clockwise until it meets the bracket then release the chain. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. How to fix a chain drive garage door when it won t open.