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.

These cables can become frayed and worm requiring replacement. Ensure that the unit is plugged in the door isn t locked and if you are using a remote. Then look to see if the rollers are in working order. Disengage the door from the trolley by pulling the emergency cord if none of the basic checks reveals a simple.

Just make sure that the chain hangs around 1 2 below the top of the rail. They need to have a clear line of sight between them in order for the door to work properly. 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. Tightening up the chain is therefore an important part of regular maintenance.

Safety sensors are the electronic eyes near the base of the door track on both sides. Garage door chains become slack from everyday use because of the vibrations created by the motor and the weight of the door. The cables are the parts that do the work of lifting the door and releasing it when it is closed. Verify if there isn t a block between them.

This work should be done by a qualified garage door contractor. First you should check the safety sensors. 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. 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.

Garage door opener systems may be chain driven belt driven or screw driven. 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.