Use a metal rod to stick in the first notch of the cone.
How to adjust garage door double springs.
The cone is on the torsion spring on the left side away from the center of the garage door.
How to adjust a torsion spring garage door.
You must release the tension on the garage door springs before attempting adjustment or replacement.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
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To adjust torsion spring tension the door is locked in the down position.
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.
Adjustments should be made in 1 4 turn increments.
Once the spring is free of tension remove from its track hanger.
With locking pliers clamped on the torsion tube winding bars are used to wind the springs tighter to increase tension.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
The rod will need to be at least 18.
How to safely adjust your garage door spring.
Tension is reduced by removing turns.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Adjust the springs on both sides of the door the same way.
When two springs are used both sides should be adjusted the same.
This can make the other parts of the garage door last a much longer time.
Retest the door balance as you did in step 1.
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.