Adjust it tight enough so that the center of the chain sags about 1 2 down from parallel with the track graphic below right.
How to tighten garage door chain.
The garage door opener loose chain or tight chain can be an easy diy.
Using your wrench you can start to loosen up the adjusting nut on the side of your carriage closest to the opener head.
The chain is a very important component that makes up a garage door opener system.
Tightening your garage door chain is a simple matter of turning the right nut.
Liftmaster and chamberlain are popular garage door openers with chains.
Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible.
Do not over tighten the chain.
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.
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Adjust the chain on a garage door opener with help from a garage door spec.
The one you re looking for is attached to a bolt found at the spot where the trolley or carriage connects to the rail.