Open the door partially so that one of the detached rollers is in line with the trouble spot on the track.
Garage door chain came off track.
It is advisable not to forcefully pull a jammed door down as this bends the vertical tracks and popping out of the rollers from the track leading to serious damage.
Now you will be able.
Disconnect the garage door from the opener.
Apart from the frustrations caused by garage door off track serious injuries and property damage may be incurred.
The track has been dented or damaged.
Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
Opener systems can develop a number of problems including electronic problems with remote control units chain slippage faulty roller action and cables that come off the pulley system.
How to fix it detach the door from the automatic opener by pulling the overhead string to disengage the opener.
Located along the rail the chain an.
Secure vise grips to the tracks under the door to keep it.
Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.
Press down on the chain with your finger.
Ensure that all the tracks are tightly anchored to the wall.
Keep it propped open while you fix the chain.
Open the door manually.
Pull the chain toward the garage door and hold it in position.
This video from sears partsdirect shows how to replace the chain and cable assembly on a chain drive garage door opener.
Once you locate where the wheels on the door are jumping.
Use a ratchet handle or wrench to tighten any brackets that have come loose.
A track coming off the wall is the main reason that garage doors come off track.
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.
If you are outside the door when this occurs you will need some assistance to move the door manually.