Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible.
Tighten garage door chain.
There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.
The one you re looking for is attached to a bolt found at the spot where the trolley or carriage connects to the rail.
Twist the outer nut clockwise with the wrench to move the trolley and tighten the chain.
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.
Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.
Chain adjusts by shortening the chain itself.
Slowly turn the outer nut as you watch the slack on the chain above your chalk mark.
Tightening your garage door chain is a simple matter of turning the right nut.
A sagging chain is a result of normal usage of the garage door opener.
Continue to turn the.