How To Shorten A Garage Door Chain

Find the master link attached to each end of the trolley to shorten the chain for the desired length.

How to shorten a garage door chain.

Push the open set limit button then release to save the door s position as the new open limit setting. You can find a chain breaker by going to the link below. Once you have it at a length that suits your garage door install the new garage door opener chain drive. Cut the rail down 6 1 2 and then cut the chain down 13.

Both adjustment types should be done with the door closed and disconnected from. Periodic maintenance of a liftmaster chain driven garage door opener includes lubricating the chain and greasing the chain rail. The great part is you don t even need any. How do i adjust it.

Program the garage door opener to recognize when your garage door is completely open. Hold down the open travel limit button until the door has raised all the way. The chain on my garage door opener seems to be sagging and rubbing on the track. This short video shows you how to easily shorten a roller chain for a bike snowblower anything that uses a chain.

A quick guide on how to adjust the chain on a garage door opener. There are only a few ways that the chain can be tightened. As a homeowner knowing the correct type of lubricant for the chain. The green indicator light will flash twice to confirm.

You will need a chain breaker to cut the chain where you want it. Cut down the opener rail and the drive chain by about 6 1 2. The chain got loose and popped off the gear. Documenting how i repaired the garage door.

I am not a professional. The garage door opener chain is similar to a bicycle chain with a master link.