How To Fix A Broken Garage Door Chain

If the door stalls or.

How to fix a broken garage door chain.

Over time the sprocket s teeth can wear and the chain may. Replace the trolley carriage if the trolley carriage moves but the door doesn t open the culprit is probably a broken trolley carriage. Press down on the chain with your finger. Before you do any repairs you need to know what is wrong with your door opener chain.

Step 1 diagnose the problem. You should have 1 2 inch of play in the chain. Sometimes the cable will break if it is a combination chain and cable drive system. I am not a professional.

To repair your broken garage door opener chain here is what you should do. You can fix your broken door chain regardless of your familiarity with garage door repairs. This requires the activation of the door s emergency release feature and the manipulation of the tension bolt on both the existing and replacement garage door chains. The chain got loose and popped off the gear.

Pull the chain toward the garage door and hold it in position. Chain drive garage door openers have a sprocket that is attached at the top of the motor. Before you pull the old one off to begin the garage door repair clamp down the chain to the rail. Thread the nut s facing the door clockwise until it meets the bracket then release the chain.

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. In this case the cable can be replaced fixing the problem. How to fix a garage door chain drive sprocket.