Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
How to repair garage door chain drive.
How to fix a chain drive garage door when it won t open.
A garage door opener chain may make a lot of noise when you pull it to open your door but it is one of the most reliable types of door openers ever invented.
Pull the chain toward the garage door and hold it in position.
Having an automatic door opener in your garage is a great convenience but you have to give the opener and all its parts regular.
In this case the cable can be replaced fixing the problem.
Sometimes the cable will break if it is a combination chain and cable drive system.
Located along the rail the chain an.
The chain got loose and popped off the gear.
You should have 1 2 inch of play in the chain.
I am not a professional.
Documenting how i repaired the garage door.
Garage door opener is very strong and seldom does the chain actually break.
Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door.
Chain drive garage door openers have a sprocket that is attached at the top of the motor.
Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.