This will disconnect the opener from the door and allow you to open it manually.
How to disengage garage door spring.
Then clamp as described above.
Pull cord down and back towards motor with a small amount of force.
Use the emergencyrelease rope to disconnect the opener from the door and push the door up as faras you can without damaging the opener.
This is true even if you have a garage door opener.
You can now open and close your door manually.
You will feel it disengage as well as visually see the small spring on the lever open up.
Just because the door isopen does not mean that the spring tension is fully released.
Torsion springs are mounted directly above the door and need to be wound with special tools.
If your garage door slips down below the header after you have opened it you garage door springs need to be adjusted.
Close the garage door and pull the emergency release.
If it stays in place your spring or springs are fine.
Lift the door manually to about waist height bring it to a stop and let go of it.
There are two different types of spring systems for garage doors.