If the door springs are properly adjusted the door should stay in place when you let go.
How to adjust spring tension on henderson garage door.
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.
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.
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.
The springs are located at the top inside part of the garage door.
Garage door springs offset the weight of the door and allow it to open and close with ease.
Remove the clamps and pliers from the torsion tube and track and lift the door about 3 ft.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
This video applies t.
Adjusting an extension spring door.
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.
Finish with a test of the garage door tension spring.