Lower the garage door to take the stress off the chain.
Garage door chain drive adjustment.
Usually a pair of nuts are associated with the locking mechanism while one is concerned with the adjustment of the chain.
If you stand at the door facing the motor you will probably see the threaded rod that adjusts the chain length on the right side of the door.
There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.
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You will have to apply a spanner to each and turn them in opposite directions.
Use the wrench to loosen the lock nuts and turn the adjustment nut to set the slack in the chain.
Adjust the chain on a garage door opener with help from a garage door spec.
There are only a few ways that the chain can be tightened.
Loosen the two lock nuts on the threaded rod.
Chain adjusts by shortening the chain itself.
The chain is a very important component that makes up a garage door opener system.