Garage Door Extension Spring Replacement Size

If you see a 1 75 on the cone the spring has a 13 4 inch diameter.

Garage door extension spring replacement size.

If your garage door is taller than 7 ft please call our helpdesk at 1 800 731 0261 for assistance. Change the fraction into a decimal and divide by 10. Sometimes this number is written on the winding or stationary cone. Measure the height of the garage door.

This means for a 7 foot high door 84 inches the spring stretch would be 42 inches. In most cases the stretch of the extension spring should be half of the door height. This is the wire size. Measure 10 coils to the nearest 1 16.

Two p730 springs one on each side of the door can handle a 90 lbs. Plug end extension spring the holmes hally p730 30 in. The holmes hally p730 30 in. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.

Door with an initial tension of 110 lbs. Measure the diameter of 1 16 of an inch. Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors. Left wind springs are located on the right hand side of the door and right wind springs are located on the left side.

For a more accurate measurement start at the 1 mark on your ruler. Knowing the spring s length can help you find the wire size on the chart above. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.