A sagging chain is a result of normal usage of the garage door opener.
How to shorten the chain on a garage door.
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.
Watch this video and see the professional at town country door llc demonstrates the.
Is the linear motor on your garage door opener system starting to rattle.
There are only a few ways that the chain can be tightened.
The chain on my garage door opener seems to be sagging and rubbing on the track.
You made need to adjust the tension of its chains.
I thought about that before suggesting he could go ahead edwin in general you 39 re right but in this case he 39 s talking of 6 off the overall length and since the chain is doubled it 39 s only half that on travel.
Then remove the old genie.
Find the master link attached to each end of the trolley to shorten the chain for the desired length.
You can find a chain breaker by going to the link below.
The garage door opener chain is similar to a bicycle chain with a master link.
How do i adjust it.
Documenting how i repaired the garage door.
I am not a professional.
Once you have it at a length that suits your garage door install the new garage door opener chain drive.
Cut down the opener rail and the drive chain by about 6 1 2.
There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.
You will need a chain breaker to cut the chain where you want it.
If you shorten the chain the door will not fully open.
The chain got loose and popped off the gear.