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