With an extension spring door the goal is to take all the tension off the door before you even think about touching a spring you can do this by opening the door all the way and propping it up with a ladder.
Tension spring garage door adjust.
Be sure to have all your tools inside before closing the door unless you have an alternate access door to the garage.
A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and adjusting the springs will likely solve the problem.
How to safely adjust your garage door spring.
How to adjust garage door tension.
To avoid injury make sure the spring is completely free of tension before removing.
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If the door was closing too quickly move the spring to the next higher hole on the bracket.
You need proper tension on a garage door to operate the door by hand or with an automatic opener.
Adjusting an extension spring door.
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Once the spring is free of tension remove from its track hanger.
The springs are located at the top inside part of the garage door.
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.
Garage door springs offset the weight of the door and allow it to open and close with ease.
If it was opening too quickly move it to the next lower hole.
If the garage door isn t opening or closing properly then check the tension on the torsion springs for needed adjustments you may need to have someone helping you to adjust the torsion spring because it can be potentially dangerous.
Adjustment to torsion springs can be dangerous because they must be adjusted with the door down and the spring under tension.
Adjust the springs on both.