To keep the door from falling it must be clamped to hold it in place.
How to level garage door with extension springs.
You can do this by opening the door all the way and propping it up with a ladder.
For extension springs this is in the up position.
With an extension spring door the goal is to take all the tension off the door before you even think about touching a spring.
If the extension springs are not the same length open the garage door and change the location of one of the s hooks so that when you close the door both springs are the same length.
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 both springs are the same length the garage door should be level across the floor.
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.
Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time.
Once the spring is free of tension remove from its track hanger.
Brace door before adjusting extension springs.
Raise the door and release the garage door opener.
Be sure the door is open and supported when doing this.
Adjust the springs on both sides of the door the same way.
To be able to adjust the springs the door must be in a position that release the tension on the springs.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
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.