How To Select The Correct Springs
(Please Read the Below Instructions Entirely Before Placing an Order)
IMPORTANT: If the spring is not replaced accurately based on the measurement, it may not function correctly and even cause damage to the door or even the motor. Our qualified technicians are available if you have any questions before ordering, or if you need further assistance on measuring.
- Find your spring Wire Size.
Measure the length of the 10 coils with measurement tape. On below table locate wire size according to your measured length of the 10 coils. To make sure your got wire size correctly you can measure 20 coils and locate wire size in table below table. If both measurements match you got right measurements. If not, try in different area of the spring. Make sure there is no gaps between wire to avoid incorrect measurements.
|
10-Coil Measurement |
20-Coil Measurement |
Wire Size |
||
|
Inches |
Centimeters |
Inches |
Centimeters |
|
|
1-3/4 |
4.5 |
3-1/2 |
8.99 |
0.177 |
|
1-7/8 |
4.76 |
3-3/4 |
9.53 |
0.187 |
|
1-15/16 |
4.88 |
3-7/8 |
9.75 |
0.192 |
|
2 |
5.08 |
4 |
10.16 |
0.200 |
|
2-1/16 |
5.26 |
4-1/8 |
10.52 |
0.207 |
|
2-3/16 |
5.55 |
4-3/8 |
11.11 |
0.218 |
|
2-1/4 |
5.72 |
4-1/2 |
11.45 |
0.225 |
|
2-5/16 |
5.95 |
4-5/8 |
11.9 |
0.234 |
|
2-7/16 |
6.19 |
4-7/8 |
12.38 |
0.243 |
|
2-1/2 |
6.35 |
5 |
12.7 |
0.250 |
|
2-5/8 |
6.67 |
5-1/4 |
13.34 |
0.262 |
|
2-3/4 |
6.93 |
5-1/2 |
13.87 |
0.273 |
|
2-13/16 |
7.19 |
5-5/8 |
14.38 |
0.283 |
- Find your spring Inside Diameter
Measure the inside diameter of the coil from the side view on the inside of the cylinder as illustrated below.
You can also measure outside diameter and subtract the wire size x 2. For example based on diameter shown below and how to calculate:
2.414 (Outside diameter) - (Wire Size) 0.207 x 2 (sides) = 2.000 (Inside Diameter)
Also most of the cones has a manufacture stampings which will help determine the ID (inside Diameter) P200 or P2000 will be stamped on the cones for a 2? ID (inside Diameter) and P175 for a 1 3/4" ID. The most common sizes in residential springs are 1 3/4" and 2" (Raynor doors use a 2 ¼? ID).
- Find your spring Length
To measure spring accurately make sure to take spring tension off to its unwound position. Otherwise, measurements will be off by few inches.
If spring is still in one piece: Please make sure to measure spring from end to end, DO NOT include cones on both sides in this measurement.
If spring broken in half or more: Measure each spring coil and add measurements together to get total length.
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CAUTION: Installing or repairing a garage door can be dangerous task. Garage door springs and cables are under extreme tension and require appropriate safety precautions. Working with garage doors and openers could result in personal injury or death. We recommend all installations, repairs, adjustments, and removals on garage doors be made by a qualified garage door technician. Any attempts to install, repair, replace, adjust garage doors or openers are done at your risk. In no event shall MY GARAGE DOOR PARTS be liable for damages of any kind, personal injury or death. User assumes all responsibility/risk for use of information and products purchased. By purchasing our products you agree to these terms.