You loosen the locking inner nut and turn the outer nut clockwise to adjust the excess slack from the chain.
Tighten up garage door chain.
How to troubleshoot a loose chain on your garage door step one.
This will cause premature wear on the chain rollers.
Turn it counterclockwise holding the other nut in your hand to prevent it from turning.
The chain is a very important component that makes up a garage door opener system.
After close examination we found the chain was off track.
Disconnect the power supply and disengage the opener.
Open the garage door and find the trolley on the opener rail.
Adjust it tight enough so that the center of the chain sags about 1 2 down from parallel with the track graphic below right.
Adjust the chain on a garage door opener with help from a garage door spec.
The trolley is a piece of metal that moves along the.
Do not over tighten the chain.
Garage door didn t open in the morning.
Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible.
Climb up on a stepladder and take a look at the trolley assembly.
Watch this video and see the professional at town country door llc demonstrates the.
A sagging chain is a result of normal usage of the garage door opener.
Measure the length of the garage door opener rails from the garage door to the motor.
Using your wrench you can start to loosen up the adjusting nut on the side of your carriage closest to the opener head.
Locate the adjustment bolt.
How to make a chain tighter on a garage door 1.