Craftsman Garage Door Chain Fell Off

This will release the door from the garage door opener.

Craftsman garage door chain fell off.

Keep it propped open while you fix the chain. If the gear and sprocket assembly breaks the motor runs but the door won t move. Every time you push the. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.

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. I have a 4 year old craftsman 1 2 hp garage door opener. Thread the nut s facing the door clockwise until it meets the bracket then release the chain. Place a stepladder near the motor and unplug the power cord for the motor from the electrical.

To reinstall the chain on the sprocket first with the door closed pull the rope hanging down from the trolley on the t bar. The chain is attached to a threaded rod that is attached to the trolley. Open the door manually. Pull the chain toward the garage door and hold it in position.

Once you locate where the wheels on the door are jumping. Problem is that the door only seems to want to close and it s already closed. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. Disconnect the garage door from the opener.

Reach overhead and pull the rope that releases the door from the opener. Press down on the chain with your finger. 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. Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.

The chain fell off the drive so i put it back on and re tightened. The chain moves about 6 inches trying to close again and stops.