Garage Door Chain Keeps Getting Loose

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

Garage door chain keeps getting loose. When your garage door opener chain becomes loose it creates a loud slapping sound and causes the rollers to smack against the track because of jerky door movements. Garage door opener systems may be chain driven belt driven or screw driven. The cables are the parts that do the work of lifting the door and releasing it when it is closed. You don t want it too tight or it has cause the sprocket bushing to wear out prematurely.

This work should be done by a qualified garage door contractor. Ensure that the unit is plugged in the door isn t locked and if you are using a remote. Tightening up the chain is therefore an important part of regular maintenance. Garage door chains become slack from everyday use because of the vibrations created by the motor and the weight of the door.

Verify if there isn t a block between them. First you should check the safety sensors. 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. 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.

They need to have a clear line of sight between them in order for the door to work properly. When the bolts and nuts become loose they can cause your garage door to make a vibrating or rattling noise when you open and close it. Disengage the door from the trolley by pulling the emergency cord if none of the basic checks reveals a simple. Then look to see if the rollers are in working order.

Just make sure that the chain hangs around 1 2 below the top of the rail. Make basic checks first.