Require only one spring.
Single garage door torsion spring.
Counter balance the weight of the garage door.
When the door is closed and at rest the torsion spring stores enormous amounts of energy and when you want the door to open the spring helps by uncoiling and releasing that energy.
Use this method if the door worked correctly before the spring s broke and the garage door has not been tampered with.
Garage door torsion springs 1 75 pair with non slip winding bars coated torsion springs with a minimum of 10 000 cycles 0 207x1 75 x24.
Just beyond the end bearing plate is the cable drum.
If the garage door has two springs measure each spring individually.
Many builders install one spring on garage door when they install the door.
Garage door in many cases will dictate how many springs are needed for your garage door if the garage door is a single car door either 8 7 or 8 8 made of aluminum or other lightweight material then it will.
Wire x 1 75 in.
Wire x 2 in.
On these the cable often runs on the front of the cable drum.
If you have very large heavy door then two or more springs will be required some very heavy wood doors may require 3 or even 4 springs to provide enough lifting strength to.
Another example is the clopay ez set torsion spring system for garage doors.
See lower price in cart.
Many garage door installers avoid using two torsion springs when they install a new door in order to save money at the time.
D x 22 in.
Torsion springs store energy by coiling tightly as the door as the door closes.
One spring systems utilize a larger spring that puts added stress on the other garage door system components.
D x 31 in.
It is not uncommon to have two different size springs.
L torsion springs in orange right wound single for sectional garage door.
Typically using a single spring instead of two will save just two or three dollars.
L torsion springs in brown left and right wound pair for sectional garage doors.
This method of measuring your torsion spring requires you to measure the existing springs.
The bottom of the cable is attached to a bracket that wraps around the front of and outside the vertical track.