Disconnect the spring from the track bracket and the spring pulley.
How to replace spring on old garage door.
Do not use a digital scale as they often will not respond to the door weight changing as rollers no longer stick to the track.
Then measure the width and height of your door.
Now attach a c lamp to the track at a point below the lowest door roller and hold the garage door in this position.
On one piece doors with side springs you open the door to relieve the spring tension and simply swap out the springs on the opener arm mechanism.
You can do this by opening up the garage door fully until it hits the stop bolt on the roller track.
There are no cables or pulleys to deal with and the springs have internal safety rods.
Once in place disconnect the garage door.
Make sure the quote includes the trip charge parts and labor.
Also undo the brackets holding the rollers in place on the side of that panel.
Start your garage door spring replacement project by getting a rough measurement of your springs length and diameter.
Open the garage door to remove all spring tension and clamp it in place.
Spray each spring with garage door lubricant.
Wipe off any excess then repeat the process on the other side.
This video will show you how to replace the extension springs on your garage door.
Place scale under the garage door on the side of the door with the broken extension spring.
Slide a grocery bag or piece of cardboard behind the spring to protect the garage door.
You ll need to unscrew the hinges securing the panel to the one below it.
Then ask for a price based on 7 19 lift cables and double life springs.
This video will show you how to replace the extension springs on your garage door.
Replace extension garage door springs by following these steps.
Take apart the door panels by removing the rollers and brackets.
A safety cable is threaded through the spring to.