This video applies t.
How to set tension on garage door.
Disconnect the door from the automatic opener using the disconnect cord.
The process is very simple but not al.
To avoid injury make sure the spring is completely free of tension before removing.
How to adjust a torsion spring garage door.
If the door is hard to raise the tension at the hinge springs is too.
The springs will be under tension which increases the risk of injury.
Once the spring is free of tension remove from its track hanger.
Use a metal rod to stick in the first notch of the cone.
Move the spring within the track hanger safety.
Then insert another rod into a hole below the rod you already inserted.
The rod will need to be at least 18.
Unplug the opener if you have an automatic garage door.
Call a professional if you don t feel confident dealing with a spring under this much tension.
This video is filmed on a garage entry door.
Open the door fully to relieve the tension on.
Look for a reddish cone on the torsion spring.
Lower the garage door clamp or bolt it shut so it can t open and insert 1 metal rod into 1 of the holes around the perimeter of the spring.
The cone is on the torsion spring on the left side away from the center of the garage door.
Close the garage door.
Lower the door and use 2 metal rods to adjust the tension in the spring.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
A how to video in fixing the slamming door by adjusting the hinge tension.