How To Repair Garage Door Chain Drive
Pull the chain toward the garage door and hold it in position.
How to repair garage door chain drive. Chain drive garage door openers have a sprocket that is attached at the top of the motor. Having an automatic door opener in your garage is a great convenience but you have to give the opener and all its parts regular. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. Press down on the chain with your finger.
I am not a professional. You should have 1 2 inch of play in the chain. How to fix a chain drive garage door when it won t open. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door.
Sometimes the cable will break if it is a combination chain and cable drive system. In this case the cable can be replaced fixing the problem. This video from sears partsdirect shows how to replace the chain and cable assembly on a chain drive garage door opener. Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
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. The chain got loose and popped off the gear. 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.