How To Fix A Broken Garage Door Opener Chain

You can put the chain back on your automatic garage door opener using a simple adjustment mechanism.

How to fix a broken garage door opener chain.

Before you pull the old one off to begin the garage door repair clamp down the chain to the rail. If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch. Replace the trolley carriage if the trolley carriage moves but the door doesn t open the culprit is probably a broken trolley carriage. 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.

Chain drive garage door openers have a sprocket that is attached at the top of the motor. 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. In this case the cable can be replaced fixing the problem. 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.

The chain got loose and popped off the gear. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets. Garage door doesn t open fix. Sometimes the cable will break if it is a combination chain and cable drive system.

I am not a professional. 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. Documenting how i repaired the garage door.