Tighten Garage Door Chain

The one you re looking for is attached to a bolt found at the spot where the trolley or carriage connects to the rail.

Tighten garage door chain.

There may be an adjustment linked to the chain or an adjustment to the length of the door opener track. Tightening your garage door chain is a simple matter of turning the right nut. Twist the outer nut clockwise with the wrench to move the trolley and tighten the chain. 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. Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release. Continue to turn the. There are only a few ways that the chain can be tightened.

Turn it counterclockwise holding the other nut in your hand to prevent it from turning. The trolley is responsible for pushing or pulling the opener arm along the chain so as to open and close the garage door. Watch this video and see the professional at town country door llc demonstrates the.