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