Tighten Up Garage Door Chain

The chain is a very important component that makes up a garage door opener system.

Tighten up garage door chain.

How to troubleshoot a loose chain on your garage door step one. Measure the length of the garage door opener rails from the garage door to the motor. Locate the adjustment bolt. Before you start working you need to take some safety.

Turn it counterclockwise holding the other nut in your hand to prevent it from turning. How to make a chain tighter on a garage door 1. The trolley is a piece of metal that moves along the. Do not over tighten the chain.

Climb up on a stepladder and take a look at the trolley assembly. The reason the chain went off track was because the chain. Divide that measurement in half. Open the garage door and find the trolley on the opener rail.

Disconnect the power supply and disengage the opener. 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. Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible.

Adjust it tight enough so that the center of the chain sags about 1 2 down from parallel with the track graphic below right. After close examination we found the chain was off track. 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.