Unplug the power cord to the opener.
How to adjust your garage door chain.
How to adjust a garage door chain adjustment by shortening the chain itself.
Remember to not over tighten the chain.
Use the wrench to loosen the lock nuts and turn the adjustment nut to set the slack in the chain.
There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.
Open the door fully by hand.
On the master link you will see two or three nuts.
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.
Chain adjusts by shortening the chain itself.
There are only a few ways that the chain can be tightened.
Just tighten enough to stop it hitting the rail.
Lift up the door halfway from the inside using one of the cross members.
Some garage doors have chains that utilize a tubular style track.
Usually a pair of nuts are associated with the locking mechanism while one is concerned with the adjustment of the chain.
Adjustments on the chain are located at or near the master link where the chain engages with the cable graphic below left.
Close the garage door.
The chain is a very important component that makes up a garage door opener system.
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Adjusting the length of the garage door opener track.
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.
Adjust the chain on a garage door opener with help from a garage door spec.
You can adjust your garage door chain using adjustments located near or at.
Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.