Tightening up the chain is therefore an important part of regular maintenance.
Garage door chain loose when closed.
Garage door chains become slack from everyday use because of the vibrations created by the motor and the weight of the door.
If you find that your garage door opener chain has become loose with time you may want to tighten it up in order to remove some of that slack.
You may find that a loose garage door opener chain has less power to open and close your garage door or you may find that it is just hitting the door as it moves it and creating an annoying sound.
A loose chain isn t just noisy it also forces your opener to do more work making the whole system less efficient.
2 brace the open door.
Tightening up the slack on your garage door will allow it to run more efficiently and will prevent loud noises that disrupt your home.