Slowly close your door about halfway and release it.
Tighten garage door spring.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
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.
Once the screws are loosened place the second metal rod into an opposite notch on the cone and turn both rods to the right or to the left depending on whether you are tightening or loosening the tension.
Turn the rods to the right.
Adjust the springs on both sides of the door the same way.
Position a sturdy ladder to the side of the springs rather than working directly in front of them for safety reasons.
If it was opening too quickly move it to the next lower hole.
Disconnect the garage door opener so the door remains closed.
Take note of the notches and screws that hold the torsion spring in place.
Release your hold on the door and see if it stays up all the way.
The springs extend along the shaft and work by twisting as the garage door closes by means of cables attached to each side of the lowest garage door panel.
Use locking pliers or a c clamp to secure the door to the track to keep it from opening when you release the tension on the springs 1 x research sourcestep 2 loosen the set screws while holding each spring with a winding bar.
Hold the garage door and remove the vise grips from the track after the spring tension has been adjusted.
If the garage door easily swings open and closed then it will need to be tightened.
This tension makes it easier to lift the garage door from its closed position.
How to safely adjust your garage door 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.
This can make the other parts of the garage door last a much longer time.
Put on eye.
Once the spring is free of tension remove from its track hanger.
Next get hold of one of the tension rods and push it into the first notch.
Side mounted springs are long heavy springs mounted on each side of the upper garage door track.
They come under tension when the garage door is closed to make lifting the.
It should be placed on the left hand side of the torsion spring and placed away from the garage door s center.
Retest the door balance as you did in step 1.
Step 1 unplug the garage door opener and clamp the door to the track.