Garage Door Chain Keeps Loosening

How to fix a chain drive garage door when it won t open 1.

Garage door chain keeps loosening.

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. This would not allow the door to close properly. How to troubleshoot a loose chain on your garage door step one. You loosen the locking inner nut and turn the outer nut clockwise to adjust the excess slack from the chain.

Locate the adjustment bolt. Disconnect the power supply and disengage the opener. The hardware of your door like the rollers hinges nuts bolts and chain can become loose. Make basic checks first.

Be sure to check your. Before you start working you need to take some safety. Adjust it tight enough so that the center of the chain sags about 1 2 down from parallel with the track graphic below right. Do not over tighten the chain.

This will cause premature wear on the chain rollers. Ensure that the unit is plugged in the door isn t locked and if you are using a remote. You may find that a loose garage door opener chain has less power to open and close your garage door or you may find that it is just hitting the door as it moves it and creating an annoying sound. As soon as the garage door closed it would automatically open back up.

A few weeks ago the chain was hanging loose about 2 inches below the rail and was rubbing on the rail. Here is the problem. If you find that your garage door opener chain has become loose with time you may want to tighten it up in order to remove some of that slack. Each piece of equipment has its signs to look for when your garage door is rackety and you suspect it s due to loose parts.