Garage Door Extension Spring Tension Adjustment

Open it just as wide as you can without hitting the garage door opener s stop bolt and place a clamp on the track on both sides to keep the door in place.

Garage door extension spring tension adjustment.

To lower the tension on the spring you want to move the hook one hole away from the door frame toward the inside of the garage. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. Reattach the hook at the next link up to loosen the. Springs should be relaxed.

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 will reduce the length of the spring when it is stretched. They come under tension when the garage door is closed to make lifting the. Once the spring is free of tension remove from its track hanger.

Pull downward on the spring and reattach the hook at the lower end of the spring at the next link down the chain to increase the spring tension. This tension makes it easier to lift the garage door from its closed position. Before you start actually adjusting the door push it up as far as possible. You can do this by opening the door all the way and propping it up with a ladder.

If it was opening too quickly move it to the next lower hole. Alternatively you may use two locking pliers for this purpose. You will have to adjust the tension on that side. 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.

Insert a c clamp in the track below the roller on either side. Through the use of pulleys they perform the same function as the torsion springs. Side mounted springs are long heavy springs mounted on each side of the upper garage door track. Secure the door in place.

Adjust the springs on both sides of the door the same way. By doing this you will lower the tension on the spring when the door is down. This should allow the door to close and not leave a gap. 8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions.

If the door is secured in this way it will not fall while you are working. With an extension spring door the goal is to take all the tension off the door before you even think about touching a spring. This video applies t.