How To Repair Garage Door Chain

You should have 1 2 inch of play in the chain.

How to repair garage door chain. To repair your broken garage door opener chain here is what you should do. After close examination we found the chain was off track. In this case the cable can be replaced fixing the problem. 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. Garage door didn t open in the morning. If the door stalls or. To do this open and close the garage door several times using the chain door opener and observe the performance of your opener.

Garage door opener is very strong and seldom does the chain actually break. Press down on the chain with your finger. Once you ve replaced the worn door components check the garage door opener chain. Pull the chain toward the garage door and hold it in position.

Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. Step 1 diagnose the problem. Sometimes the cable will break if it is a combination chain and cable drive system. Before you do any repairs you need to know what is wrong with your door opener chain.

So start by tightening the chain find the procedure in your owner s manual.