Garage Door Extension Spring Setup

You may wish to work on your garage door extension spring with your garage door up.

Garage door extension spring setup.

This tension makes it easier to lift the garage door from its closed position. They come under tension when the garage door is closed to make lifting the. How to choose garage door extension springs. Door with an initial tension of 110 lbs.

Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers. Through the use of pulleys they perform the same function as the torsion springs. If you do so you need to clamp vice grips on the door. As the garage door opens the spring loses about 7 coils as the ends of the spring pull together.

Since the spring anchor bracket is secured to the wall the winding cones pull the shaft through the bracket. Side mounted springs are long heavy springs mounted on each side of the upper garage door track. Whenever a torsion spring is installed it is stretched horizontally along the shaft to keep the coils from binding. Plug end extension spring the holmes hally p730 30 in.

Working on an open garage door without vice grips. Since extension springs are determined by how much weight they each lift and the pulley system cuts this in half you need to replace your old springs with 200 pound extension springs. In this post we ll focus on extension springs for sectional doors because they are more common. The springs extend along the shaft and work by twisting as the garage door closes by means of cables attached to each side of the lowest garage door panel.

Do not try to remove the extension spring that is not broken when the garage door is closed. 7 doors require a 25 long spring that stretches up to 42 67 total length when the door is closed 8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions. Following are the steps necessary to replace one or more of these springs while taking safety precautions. If you are underneath it it will come down on you like a guillotine.

Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors. Torsion see above which mounts on the header above the door and extension photo 1 which floats above the upper roller track. Two p730 springs one on each side of the door can handle a 90 lbs. Once your garage door is secured remove the spring hook from the track hanger which will allow you to move the hook and adjust the spring s tension.

Garage door springs must properly match the door s weight. Garage door springs come in two styles. To adjust your garage door s side mounted springs first open your door fully and secure it in place with a c clamp below the bottom roller. The holmes hally p730 30 in.