How To Tighten A Chain On A Garage Door Opener

Liftmaster and chamberlain are popular garage door openers with chains.

How to tighten a chain on a garage door opener.

The chain is a very important component that makes up a garage door opener system. If the door won t stay open to its full extent or doesn t close flush to the ground the travel control needs an adjustment. This is where you will be working on in the next step. Chain adjusts by shortening the chain itself.

Press and release the close travel limit button to move the chain or belt connector forward to engage the carriage assembly. Using your wrench you can start to loosen up the adjusting nut on the side of your carriage closest to the opener head. Turn it counterclockwise holding the other nut in your hand to prevent it from turning. If the up travel isn t functioning properly turn the up limit adjustment screw clockwise.

Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible. Step 3 disassembling the garage opener. Adjust the chain on a garage door opener with help from a garage door spec. There are only a few ways that the chain can be tightened.

Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release. Follow me in th. There may be an adjustment linked to the chain or an adjustment to the length of the door opener track. Locate the lower cover of the garage door and use the screwdriver to open it.

A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers. Press the close travel limit button again and hold it down until the bottom of the door is pressed firmly against the ground.