There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.
Garage door chain sagging.
Over time the constant rotation of the rocket that drives the chain along with the vibrations created by the motor and the weight of the garage door can loosen connections.
Overall this gives the opener less power to open and close the door.
Replace the roller by unbolting the hinge and tilting the roller out of the garage door track.
There are only a few ways that the chain can be tightened.
Fix a sagging chain eliminate a sagging chain by adjusting the chain tension.
How do i adjust it.
If the chain sags more than 1 2 inch below the rail it may bang against the rail and cause undue wear on the drive sprocket.
Tightening up the chain is therefore an important part of regular maintenance.
If your garage door opener uses a chain drive then it is probably like a lot of other garage doors.
Snug up all the nuts and bolts on your garage door track and check for worn parts and replace where needed.
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.
Watch this video and see the professional at town country door llc demonstrates the.
Press the remote or the wall mounted start switch listen to the motor and watch the movement of the chain.
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.
Over time the drive chain can loosen and create slack.
If the motor hums but the chain doesn t move that indicates a problem with the motor.
A sagging chain is a result of normal usage of the garage door opener.
Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.
Then spray all the moving components with garage door lubricant.
Garage door opener chain adjustment.
Use a pair of wrenches on the chain nuts located on the turnbuckle.
A loose chain isn t just noisy it also forces your opener to do more work making the whole system less efficient.
The chain on my garage door opener seems to be sagging and rubbing on the track.