Craftsman Garage Door Chain Fell Off

Place a stepladder near the motor and unplug the power cord for the motor from the electrical.

Craftsman garage door chain fell off.

If you are outside the door when this occurs you will need some assistance to move the door manually. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. Every time you push the. If you find that your garage door opener chain falls off the track on which it has been placed you will need to put it back up and then tighten the chain to stop this happening in the future.

Thread the nut s facing the door clockwise until it meets the bracket then release the chain. In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor. Replace a broken gear and sprocket assembly with the manufacturer approved replacement part. Open the door manually.

Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. Keep it propped open while you fix the chain. The chain is attached to a threaded rod that is attached to the trolley. Press down on the chain with your finger.

The chain fell off the drive so i put it back on and re tightened. I have a 4 year old craftsman 1 2 hp garage door opener. If the gear and sprocket assembly breaks the motor runs but the door won t move. Once you locate where the wheels on the door are jumping.

The chain moves about 6 inches trying to close again and stops. To reinstall the chain on the sprocket first with the door closed pull the rope hanging down from the trolley on the t bar. Reach overhead and pull the rope that releases the door from the opener. Disconnect the garage door from the opener.

This will release the door from the garage door opener. If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.