You must release the tension on the garage door springs before attempting adjustment or replacement.
Manual garage door spring adjustment.
Raise the garage door up to its fully open position.
Adjust the springs on both sides of the door the same way.
How to adjust a torsion spring garage door step 1.
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Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
Use a metal rod to stick in the first notch of the cone.
Retest the door.
Once the spring is free of tension remove from its track hanger.
The cone is on the torsion spring on the left side away from the.
Look for a reddish cone on the torsion spring.
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.
Secure the garage door in this position by clamping vice.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
How to safely adjust your garage door spring.
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.
How to adjust manual garage doors to stay up step 1.
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.