Every time you push the.
Craftsman garage door chain fell off.
Disconnect the garage door from the opener.
Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.
Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
Problem is that the door only seems to want to close and it s already closed.
I have a 4 year old craftsman 1 2 hp garage door 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.
Once you locate where the wheels on the door are jumping.
Press down on the chain with your finger.
If you are outside the door when this occurs you will need some assistance to move the door manually.
The chain moves about 6 inches trying to close again and stops.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
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.
Open the door manually.
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.
The chain is attached to a threaded rod that is attached to the trolley.
Reach overhead and pull the rope that releases the door from the opener.
To reinstall the chain on the sprocket first with the door closed pull the rope hanging down from the trolley on the t bar.
Pull down the trolley cord to release the trolley from the chain arm and lower the door by hand.
Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.
Place a stepladder near the motor and unplug the power cord for the motor from the electrical.
Keep it propped open while you fix the chain.