A sagging chain is a result of normal usage of the garage door opener.
Tightening a garage door chain.
Turn it counterclockwise holding the other nut in your hand to prevent it from turning.
This will cause the nut to back away from the door and toward the opener.
How to tighten your garage door chain.
The trolley is responsible for pushing or pulling the opener arm along the chain so as to open and close the garage door.
Thankfully garage door manufacturers have included a part in their designs that can help you tighten your chain and stop the chain from slapping against the rail as it opens and closes your garage.
Too much tautness in the chain could lead to it breaking.
Watch this video and see the professional at town country door llc demonstrates the.
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 one you re looking for is attached to a bolt found at the spot where the trolley or carriage connects to the rail.