Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
How to repair garage door chain drive.
Located along the rail the chain an.
You should have 1 2 inch of play in the chain.
Chain drive garage door openers have a sprocket that is attached at the top of the motor.
The chain got loose and popped off the gear.
Documenting how i repaired the garage door.
Press down on the chain with your finger.
In this case the cable can be replaced fixing the problem.
How to fix a chain drive garage door when it won t open.
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.
Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.
Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door.
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.
Garage door opener is very strong and seldom does the chain actually break.
Sometimes the cable will break if it is a combination chain and cable drive system.