Tighten Garage Door Chain

Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.

Tighten garage door chain.

Twist the outer nut clockwise with the wrench to move the trolley and tighten the chain. Slowly turn the outer nut as you watch the slack on the chain above your chalk mark. There may be an adjustment linked to the chain or an adjustment to the length of the door opener track. Turn it counterclockwise holding the other nut in your hand to prevent it from turning.

Chain adjusts by shortening the chain itself. Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible. The trolley is responsible for pushing or pulling the opener arm along the chain so as to open and close the garage door. There are only a few ways that the chain can be tightened.

Watch this video and see the professional at town country door llc demonstrates the. Continue to turn the. Using your wrench you can start to loosen up the adjusting nut on the side of your carriage closest to the opener head.