To decrease tension for a door that isn t closing fully is difficult to close or opens too quickly wind the cone down 23 x research source in the opposite direction from how the garage door cable passes through the pulley.
Tensioning a garage door.
To increase tension for a door that s difficult to open or closes too quickly wind the cone up in the same direction as the garage door cable goes through the pulley.
If it was opening too quickly move it to the next lower hole.
Adjust the springs on both sides of the door the same way.
Once the spring is free of tension remove from its track hanger.
They are attached on one end to a stationary plate located above the center of the door frame.
If the garage door easily swings open and closed then it will need to be tightened.
Torsion springsare mounted on a stationary metal shaft located above and parallel to the top of the garage door frame.
You need proper tension on a garage door to operate the door by hand or with an automatic opener.
Prime line gd 52238 torsion spring winding rods the only tools recommended for adjusting or replacing garage door tension springs 1 2 diameter x 16 long round steel rods pack of 2 4 6 out of 5 stars 247.
Get another metal rod of the same size.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Once the screws are loosened place the second metal rod into an opposite notch on the cone and turn both rods to the right or to the left depending on whether you are tightening or loosening the tension.
The springs extend along the shaft and work by twisting as the garage door closes by means.
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