Many of the accidents that occur while fixing garage door springs are due to installing springs that are too strong.
How to install a single garage door spring.
Secure cable end to bracket.
Slowly pull down on the winding bar until the garage door rises 3 and the roller hits the vise grip on the track.
Unplug the garage door opener and clamp the door to the track.
Screw on the top hinges and rollers.
This video will show you how to replace the extension springs on your garage door.
Slide the spring that you placed on the left side of the door at the beginning onto the shaft as shown.
Open the door then tighten locking pliers onto the track to hold the door open.
This video will show you how to replace the extension springs on your garage door.
Feed steel cable over the pulleys at the end of the track.
The stationary cone must be toward the center of the garage door while the winding cone must be toward the outside of the door.
Single torsion spring replacement.
The door will usually drop back down and raise the bar.
Hook the garage door spring onto door track bracket.
Set top door panel in place and secure it with hinge screws.
Use locking pliers or a c clamp to secure the door to the track to keep it from opening when you release the tension on the springs.
Disconnect the garage door opener so the door remains closed.