Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
Fix garage door 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.
How to fix a chain drive garage door when it won t open.
Pull the chain toward the garage door and hold it in position.
Press down on the chain with your finger.
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.
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.
Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door.
Garage door opener is very strong and seldom does the chain actually break.