In the first example the spring is too small.
How to look up garage door spring size.
Opening and closing the door with springs that are too small can end up damaging your garage door and your opener.
Measure the length of ten or twenty coils of the particular spring.
Usually most garage doors.
Contrary to what most believe you don t need to actually unwound the spring in order to measure the length of the spring.
For a double door use two bath scales a foot in from each side of the opening.
Springs are too small.
These springs typically come in 1 3 4 2 and 2 1 4 inside diameters.
Determine the wind direction.
Inside diameter 90 of doors have a 2 0 inside diameter 3.
In the video below you see two cases of improper spring size.
Selecting the right garage door spring.
Torsion spring inside diameter and overall length in many cases the inside diameter of the torsion spring will be indicated on the stationary cone in between the two springs at the midpoint of the door.
1 75 means the inside diameter is 1 inches.
When the spring is too small the door is way too heavy.
To get the measurement all you need to do is to measure from the first coil on one end to the last coil on the other end of the garage door spring including the coils that are in the cone.
In order to order new springs you will need to measure as accurately as possible your current spring s and find the.
Step 2 determine spring wind.
For a single car door place a bath scale in the center of the opening remove all spring tension from the door and lower the door onto the scale.
If you have a broken torsion spring read below to make the measurements you need and then purchase a new garage door spring or springs.
2 means the inside diameter is two inches etc.
Typically residential springs will have a 1 3 4 or 2 inside diameter.
For a 7 foot tall garage door you should put 29 quarter turns on each spring.
Measure the wire size.
When replacing garage door springs we always weigh the garage door and figure the ippt to ensure we.
Spring length how long each spring is 4.
Spring orientation if ordering just one spring left.
How to know the garage door spring to buy 1.
For your broken spring s measure the inside diameter of the spring.
Height of the garage door can also affect the size of the spring or spring combination needed as well.
Springs are too big.