Fixing A Garage Door Chain

Step 1 diagnose the problem.

Fixing a garage door chain.

Garage door doesn t open fix. Thread the nut s facing the door clockwise until it meets the bracket then release the chain. It can be quite easy to find the solutions needed to repair your garage opener. Chain drive garage door openers have a sprocket that is attached at the top of the motor.

How to fix a garage door chain drive sprocket. How to fix a chain drive garage door when it won t open. In my article about garage door opener troubleshooting i help you to correct the most common problems without having to consult either your owner s manual or an expensive professional. Garage door opener is very strong and seldom does the chain actually break.

To repair your broken garage door opener chain here is what you should do. Before you pull the old one off to begin the garage door repair clamp down the chain to the rail. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. So start by tightening the chain find the procedure in your owner s manual.

A loose garage door opener chain makes loud slapping sounds and causes jerky door movements that smack the rollers against the track. Sometimes the cable will break if it is a combination chain and cable drive system. In this case the cable can be replaced fixing the problem. If the door stalls or.

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. You should have 1 2 inch of play in the chain. Having an automatic door opener in your garage is a great convenience but you have to give the opener and all its parts regular.

Once you ve replaced the worn door components check the garage door opener chain. Your garage door opener stopped operating as it should. Before you do any repairs you need to know what is wrong with your door opener chain.