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Garage door chain adjustment.
You will have to apply a spanner to each and turn them in opposite directions.
Adjustments on the chain are located at or near the master link where the chain engages with the cable graphic below left.
There are only a few ways that the chain can be tightened.
On the master link you will see two or three nuts.
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.
Press down on the chain with your finger.
Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.
Liftmaster and chamberlain are popular garage door openers with chains.
Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
The chain is a very important component that makes up a garage door opener system.
A sagging chain is a result of normal usage of the garage door opener.
Remember to not over tighten the chain.
Chain adjusts by shortening the chain itself.
You should have 1 2 inch of play in the chain.
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Just tighten enough to stop it hitting the rail.
The garage door opener loose chain or tight chain can be an easy diy.
Loosen the two lock nuts on the threaded rod.
Usually a pair of nuts are associated with the locking mechanism while one is concerned with the adjustment of the chain.
Adjust the chain on a garage door opener with help from a garage door spec.
Lower the garage door to take the stress off the chain.
Watch this video and see the professional at town country door llc demonstrates the.