Garage Door Chain Adjustment

Adjust the chain on a garage door opener with help from a garage door spec.

Garage door chain adjustment.

The garage door opener loose chain or tight chain can be an easy diy. Lower the garage door to take the stress off the chain. You should have 1 2 inch of play in the chain. Use the wrench to loosen the lock nuts and turn the adjustment nut to set the slack in the chain.

Replacement gear kit if you need one http amzn to 2drtdvc if you. Press down on the chain with your finger. Watch this video and see the professional at town country door llc demonstrates the. A sagging chain is a result of normal usage of the garage door opener.

Chain adjusts by shortening the chain itself. Thread the nut s facing the door clockwise until it meets the bracket then release the chain. Just tighten enough to stop it hitting the rail. 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.

Remember to not over tighten the chain. Pull the chain toward the garage door and hold it in position. You will have to apply a spanner to each and turn them in opposite directions. Usually a pair of nuts are associated with the locking mechanism while one is concerned with the adjustment of the chain.

On the master link you will see two or three nuts. There may be an adjustment linked to the chain or an adjustment to the length of the door opener track. Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release. Adjustments on the chain are located at or near the master link where the chain engages with the cable graphic below left.

Liftmaster and chamberlain are popular garage door openers with chains. The chain is a very important component that makes up a garage door opener system.