How To Remove Chain From Garage Door Opener

Look to the end of the rail that hides the screw belt or chain to find the manual pull handle and the bracket to which it attaches.

How to remove chain from garage door opener.

Chain drive garage door openers have a sprocket that is attached at the top of the motor. This diy repair guide explains how to replace the chain and cable assembly on a chain drive garage door opener. You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. The chain and cable assembly connects to the trolley and drives the trolley along the rail to raise and lower the door.

The garage door opener chain is similar to a bicycle chain with a master link. Find the master link attached to each end of the trolley to shorten the chain for the desired length. It is not normal that you have to remove two feet from a garage door opener chain. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.

You will need a chain breaker to cut the chain where you want it. Start your garage door replacement project by removing the old one.