Garage Door Chain Adjustment

Liftmaster and chamberlain are popular garage door openers with chains.

Garage door chain adjustment.

Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release. Usually a pair of nuts are associated with the locking mechanism while one is concerned with the adjustment of the chain. You should have 1 2 inch of play in the chain. There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.

Just tighten enough to stop it hitting the rail. A sagging chain is a result of normal usage of the garage door opener. Loosen the two lock nuts on the threaded rod. Thread the nut s facing the door clockwise until it meets the bracket then release the chain.

Pull the chain toward the garage door and hold it in position. Chain adjusts by shortening the chain itself. Remember to not over tighten the chain. The chain is a very important component that makes up a garage door opener system.

Use the wrench to loosen the lock nuts and turn the adjustment nut to set the slack in the chain. There are only a few ways that the chain can be tightened. On the master link you will see two or three nuts. The garage door opener loose chain or tight chain can be an easy diy.

Follow me in th. Adjustments on the chain are located at or near the master link where the chain engages with the cable graphic below left. 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. Lower the garage door to take the stress off the chain.

Adjust the chain on a garage door opener with help from a garage door spec. Watch this video and see the professional at town country door llc demonstrates the.