You must release the tension on the garage door springs before attempting adjustment or replacement.
Manual garage door spring adjustment.
Retest the door.
How to safely adjust your garage door spring.
Adjust the springs on both sides of the door the same way.
Look for a reddish cone on the torsion spring.
The cone is on the torsion spring on the left side away from the.
Once the spring is free of tension remove from its track hanger.
This can make the other parts of the garage door last a much longer time.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
Secure the garage door in this position by clamping vice.
Once your garage door is secured remove the spring hook from the track hanger which will allow you to move the hook and adjust the spring s tension.
Use a metal rod to stick in the first notch of the cone.
Locate the cable clip that is attached to an s hook toward the front of the horizontal track.
If it was opening too quickly move it to the next lower hole.
To adjust your garage door s side mounted springs first open your door fully and secure it in place with a c clamp below the bottom roller.
Raise the garage door up to its fully open position.
How to adjust manual garage doors to stay up step 1.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.