Find the two springs and corresponding adjustment screws collars these should be along the shaft.
How to adjust tilt garage door springs.
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.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
Then take the springs off 1 by one whilst still propped up.
Once the spring is free of tension remove from its track hanger.
Clamp the garage door in place with a c clamp above the bottom roller.
If it was opening too quickly move it to the next lower hole.
Adjust the springs on both sides of the door the same way.
If the tilt a door is not closing straight it can be adjusted by moving the adjusting arms up or down as required.
Retest the door.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Here are the steps to adjust common torsion spring mechanisms.
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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.
Close the garage door and disconnect your garage door opener.
As someone else mentioned use a rag if you don t have man hands.
When closed the door should sit square in the frame.