If adjustment of the rear track hanger is necessary the door must be locked in the closed position because the weight of the door is supported by the rear hangers.
Proper way to adjust a center spring garage door.
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.
You need proper tension on a garage door to operate the door by hand or with an automatic opener.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
Once the spring is free of tension remove from its track hanger.
Adjust the springs on both sides of the door the same way.
Retest the door balance as you did in step 1.
The torsion spring helps the garage door open and close easily.
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.
The springs are located at the top inside part of the garage door.
You must release the tension on the garage door springs before attempting adjustment or replacement.
Adjusting an extension spring door.
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.
If it was opening too quickly move it to the next lower hole.
This video applies t.
If the garage door isn t opening or closing properly then check the tension on the torsion springs for needed adjustments.
How to adjust garage door tension.
There are two torsion springs at each side of the garage door.