For all other information and safety warnings concerning your garage door see the manual.
Garage door extension spring replacement instructions.
Get it right the first time.
Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers.
You ll also find a link for any other garage door parts you may need while repairing your door.
Supplemental instructions extension spring installation this is a supplement to the residential garage door instructions referred to as the manual.
Open the garage door completely and lock it in the open position.
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.
Disengage the opener from the door.
A couple of carabiners can.
Unplug the power cord to your garage door opener.
It covers installation of extension springs step 14 of the manual.
This is important because different doors weigh different amounts and you want springs with the appropriate lifting power for your particular door.
Some garage door openers have a neutral position for the trolley disconnect.
Read the information in both.
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.
If you have an older opener you may need to remove a fuse or flip.
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.