How To Adjust Extension Spring On Garage Door

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How to adjust extension spring on garage door.

To make fine adjustments try adjusting the lifting cable instead of the spring. Next get hold of one of the tension rods and push it into the first notch. The cable is attached to the door and runs to an s hook that attaches to the track support. Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.

To keep the door from falling it must be clamped to hold it in place. To be able to adjust the springs the door must be in a position that release the tension on the 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. You must release the tension on the garage door springs before attempting adjustment or replacement.

Change the length of. For extension springs this is in the up position. With the door propped open take the s hook out of the support and tighten or loosen the cable as needed. There are two ways you can change the tension on the springs.

Before you start actually adjusting the door push it up as far as possible. Take note of the notches and screws that hold the torsion spring in place. 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. Raise the door and release the garage door opener.

It should be placed on the left hand side of the torsion spring and placed away from the garage door s center.