Fix Garage Door Chain
How to fix a chain drive garage door when it won t open.
Fix garage door chain. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. You should have 1 2 inch of play in the chain. Having an automatic door opener in your garage is a great convenience but you have to give the opener and all its parts regular. 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.
Garage door opener is very strong and seldom does the chain actually break. Sometimes the cable will break if it is a combination chain and cable drive system. Press down on the chain with your finger. Pull the chain toward the garage door and hold it in position.
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.