Adjusting an extension spring door.
How to adjust spring tension on henderson garage door.
You must release the tension on the garage door springs before attempting adjustment or replacement.
This video applies t.
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.
If the door falls when you let go add a quarter turn to each spring.
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This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
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.
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.
Finish with a test of the garage door tension spring.
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.