While this might seem difficult to comprehend measuring the wire size is actually as easy as running a tape measure along the distance between 10 and 20 coils.
Measure wound garage door spring.
Take all your measurements from the broken spring.
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Inside diameter 90 of doors have a 2 0 inside diameter 3.
Measure the spring only from coil to coil.
A spring mounted on the right side of center is left hand wound black end doors that have two springs have both right hand and left hand wound.
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What can we say it can appear a bit complicated.
Plug end extension spring is a holmes spring replacement for heavier 1 piece tilt up canopy style garage doors.
You also need to know the size of the wire itself.
Door with an initial tension of 165 lbs.
Spring length how long each spring is 4.
For other measurements talk to a garage door repair professional or find a 10 coil measurement chart online.
If your 10 coil count measures 2 1 2 inches you have 25 inch wires.
The spring will grow 7 5 coils or 7 5 x 250 for the coil size or 1 7 8.
Measure the overall length of your garage door spring unwound.
Here s how to tell if your garage door torsion spring is a left wound spring or a right wound spring as seen from the back of the door.
To measure the wire size measure the length of 10 coils of the spring.
When you measure a garage door spring it s not enough to simply take a tape measure and record the length from one end to the other.
Plug end extension spring is a p528 28 in.
If you have 1 1 4 inches in a 10 coil count the wires are 0 125.
Springs are usually stretched an extra 1 8 so the total addition to the spring length is eight coils or two inches.
They call it a right spring but when you are looking at the door from the inside it goes on the left side and vice versa.
Two p528 springs one on each side of the door can handle a 105 lbs.
Generally when looking from within the garage if the spring is on the left side it is right wound and vice versa.