Then measure the width and height of your door.
How to replace spring on old garage door.
You ll need to unscrew the hinges securing the panel to the one below it.
Disconnect the spring from the track bracket and the spring pulley.
Spray each spring with garage door lubricant.
This video will show you how to replace the extension springs on your garage 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.
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.
This video will help you weigh a garage door with extension springs.
Take apart the door panels by removing the rollers and brackets.
Place scale under the garage door on the side of the door with the broken extension spring.
Make sure the quote includes the trip charge parts and labor.
Start your garage door spring replacement project by getting a rough measurement of your springs length and diameter.
A safety cable is threaded through the spring to.
Wipe off any excess then repeat the process on the other side.
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.
Replace extension garage door springs by following these steps.
Release the tension on the garage door springs prior to attempting readjustments or replacements.
Open the garage door to remove all spring tension and clamp it in place.
You can do this by opening up the garage door fully until it hits the stop bolt on the roller track.
Then ask for a price based on 7 19 lift cables and double life springs.
There are no cables or pulleys to deal with and the springs have internal safety rods.
Once in place disconnect the garage door.
Start with the highest panel and have others hold the panel in place as you work.