The other end is attached to a pulley through which the garage door cable is threaded.
Too much spring on tilt up garage door.
If you are underneath it it will come down on you like a guillotine.
3 open the door fully to relieve the tension on the hinge springs at each.
Be sure not to twist the garage door cable when reattaching the pulley.
One end is a fixed attachment to the garage door track or wood frame.
You may wish to work on your garage door extension spring with your garage door up.
Or more so you will require enough strong people to help you with this.
A properly fitted spring or springs will create a safe balanced garage door.
Otherwise it will fall breaking all of your windows.
Disconnect the door from its motor by pulling the trolley s red cord and lift the door open.
The full weight of a garage door can range from 150 to 800 lbs.
To adjust your garage door s side mounted springs first open your door fully and secure it in place with a c clamp below the bottom roller.
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.
Simply disconnect these two attachments and reattach the new spring in the same way.
If the door raises too quickly the tension is too tight and the automatic opener must work too hard to close the door.
A spring that is too small or too large can damage your opener wear on your cables cause a safety hazard and more.