Tighten Garage Door Chain

Twist the outer nut clockwise with the wrench to move the trolley and tighten the chain.

Tighten garage door chain.

Continue to turn the. The one you re looking for is attached to a bolt found at the spot where the trolley or carriage connects to the rail. Slowly turn the outer nut as you watch the slack on the chain above your chalk mark. Turn it counterclockwise holding the other nut in your hand to prevent it from turning.

Chain adjusts by shortening the chain itself. 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. The trolley is responsible for pushing or pulling the opener arm along the chain so as to open and close the garage door.

Using your wrench you can start to loosen up the adjusting nut on the side of your carriage closest to the opener head. There may be an adjustment linked to the chain or an adjustment to the length of the door opener track. Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible.