Garage door opener systems may be chain driven belt driven or screw driven.
Garage door chain keeps getting loose.
Just make sure that the chain hangs around 1 2 below the top of the rail.
They need to have a clear line of sight between them in order for the door to work properly.
When your garage door opener chain becomes loose it creates a loud slapping sound and causes the rollers to smack against the track because of jerky door movements.
How to fix a chain drive garage door when it won t open 1.
Garage door chains become slack from everyday use because of the vibrations created by the motor and the weight of the door.
Verify if there isn t a block between them.
Make basic checks first.
A loose chain isn t just noisy it also forces your opener to do more work making the whole system less efficient.
Safety sensors are the electronic eyes near the base of the door track on both sides.
These cables can become frayed and worm requiring replacement.
The cables are the parts that do the work of lifting the door and releasing it when it is closed.
When the bolts and nuts become loose they can cause your garage door to make a vibrating or rattling noise when you open and close it.
Disengage the door from the trolley by pulling the emergency cord if none of the basic checks reveals a simple.
First you should check the safety sensors.
Then look to see if the rollers are in working order.
Tightening up the chain is therefore an important part of regular maintenance.
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.
You don t want it too tight or it has cause the sprocket bushing to wear out prematurely.