Tightening A Garage Door Chain

Tighten the chain using the tension nuts after verifying the chain needs tightening begin by turning the inside nut which is the one closest to the opener several turns in a counterclockwise direction when facing the door.

Tightening a 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. Tightening your garage door chain is a simple matter of turning the right nut. Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible. There s usually a piece of rope hanging from it which is used to disengage and re engage the opener.

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. A sagging chain is a result of normal usage of the garage door opener. This will cause the nut to back away from the door and toward the opener.

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