How To Tighten A Chain On A Garage Door Opener

Once you have access to the inner components of the garage door opener locate the master link the point where the chain forms a junction with the cable.

How to tighten a chain on a garage door opener.

If the cardboard tube in the middle of the full roll of paper towels bends then too much force is being used to reverse the door. Divide that measurement in half to find the center point on the rail. Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release. There are only a few ways that the chain can be tightened.

Loosen the locking nut then tighten the adjustment nut using an adjustable or half inch wrench start by loosening the locking nut slightly. This is where you will be working on in the next step. Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible. Chain adjusts by shortening the chain itself.

You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. Turn it counterclockwise holding the other nut in your hand to prevent it from turning. Then tighten the adjustment nut which will in turn increase tension in the chain. Use chalk and mark the center of the.

The chain connects to a threaded anchor that you can move in and out to tighten or loosen the chain as needed. Using your wrench you can start to loosen up the adjusting nut on the side of your carriage closest to the opener head. A 2 by 4 piece of wood or 2 inch block can also reveal if the reverse is using too much force. Measure the length of the garage door opener rails from the garage door to the motor.

Locate the lower cover of the garage door and use the screwdriver to open it. There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.