How To Fix A Broken Garage Door Opener 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 broken garage door opener chain.

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. Chain driven garage door openers should have some slack in the chain for optimal performance. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. Before you pull the old one off to begin the garage door repair clamp down the chain to the rail.

I am not a professional. Documenting how i repaired the garage door. You can fix your broken door chain regardless of your familiarity with garage door repairs. Chain drive garage door openers have a sprocket that is attached at the top of the motor.

Sometimes the cable will break if it is a combination chain and cable drive system. The chain got loose and popped off the gear. Garage door opener is very strong and seldom does the chain actually break. In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.

You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets. In this case the cable can be replaced fixing the problem. Replace the trolley carriage if the trolley carriage moves but the door doesn t open the culprit is probably a broken trolley carriage.