Supplemental instructions extension spring installation this is a supplement to the residential garage door instructions referred to as the manual.
Garage door extension spring replacement instructions.
Unplug the power cord to your garage door opener.
Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers.
If you have an older opener you may need to remove a fuse or flip.
Instructions for replacing a single torsion spring for replacing garage door extension springs and for replacing wayne dalton torquemaster springs are linked to our diy instructions page above.
There are two types of garage door springs.
Enlist the service of one or more friends or family members to help with this task as the door will be very heavy when the extension springs are not helping.
When it comes to extension springs the purpose of the color coding system is to help the company performing your garage door service determine the lifting power of the springs.
It covers installation of extension springs step 14 of the manual.
Disengage the opener from the door.
Open the garage door completely and lock it in the open position.
The doors with two springs are easy to replace.
Some garage door openers have a neutral position for the trolley disconnect.
This is important because different doors weigh different amounts and you want springs with the appropriate lifting power for your particular door.
Get it right the first time.
A couple of carabiners can.
A pair of new springs cost about 25.
Release the tension on side mounted extension springs by lifting the door and locking it in place on each side with a pair of locking pliers.