Garage Door Chain Adjustment

There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.

Garage door chain adjustment.

Use the wrench to loosen the lock nuts and turn the adjustment nut to set the slack in the chain. You should have 1 2 inch of play in the chain. Thread the nut s facing the door clockwise until it meets the bracket then release the chain. On the master link you will see two or three nuts.

Follow me in th. The chain is a very important component that makes up a garage door opener system. Usually a pair of nuts are associated with the locking mechanism while one is concerned with the adjustment of the chain. Lower the garage door to take the stress off the chain.

There are only a few ways that the chain can be tightened. 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. Liftmaster and chamberlain are popular garage door openers with chains. The garage door opener loose chain or tight chain can be an easy diy.

Adjustments on the chain are located at or near the master link where the chain engages with the cable graphic below left. You will have to apply a spanner to each and turn them in opposite directions. Loosen the two lock nuts on the threaded rod. Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.

Remember to not over tighten the chain. Chain adjusts by shortening the chain itself. Pull the chain toward the garage door and hold it in position. Just tighten enough to stop it hitting the rail.

Replacement gear kit if you need one http amzn to 2drtdvc if you. Adjust the chain on a garage door opener with help from a garage door spec.