Garage Door Extension Springs Setup

A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and adjusting the springs will likely solve the problem.

Garage door extension springs setup. Depending on the setup of your garage door you may need to move the position of your spring anchor bracket. Be sure the door is open and supported when doing this. Following are the steps necessary to replace one or more of these springs while taking safety precautions. If both springs are the same length the garage door should be level across the floor.

Extension springs are tightly wound coils of metal wire that are used as garage door counterweights. The holmes hally p730 30 in. Garage door springs come in two styles. When garage doors are open the weight of the door is supported by the horizontal tracks overhead.

Door with an initial tension of 110 lbs. Garage door springs offset the weight of the door and allow it to open and close with ease. 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. Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers.

Two p730 springs one on each side of the door can handle a 90 lbs. They are attached on one end to a stationary plate located above the center of the door frame. Plug end extension spring the holmes hally p730 30 in. If the extension springs are not the same length open the garage door and change the location of one of the s hooks so that when you close the door both springs are the same length.

Compared to replacing your broken spring with a single spring installing two springs does not take much extra work. All you have left is to wind the torsion springs secure the set screws to the shaft and reengage and plug in the opener. As the doors open the weight shifts to the springs and tension increases as the springs control the lowering speed of the door. Torsion see above which mounts on the header above the door and extension photo 1 which floats above the upper roller track.