The bottom of the cable is attached to a bracket that wraps around the front of and outside the vertical track.
Single garage door torsion spring.
Use this method if the door worked correctly before the spring s broke and the garage door has not been tampered with.
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.
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.
To measure the torsion springs follow each of the following steps carefully.
Wire x 1 75 in.
Torsion springs store energy by coiling tightly as the door as the door closes.
In most cases on double door 16 feet wide and larger we recommend replacing with a two spring system.
D x 31 in.
Typically using a single spring instead of two will save just two or three dollars.
Just beyond the end bearing plate is the cable drum.
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.
It is not uncommon to have two different size springs.
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.
Wire x 2 in.
Require only one spring.
This method of measuring your torsion spring requires you to measure the existing springs.
L torsion springs in brown left and right wound pair for sectional garage doors.
Counter balance the weight of the garage door.
If the garage door has two springs measure each spring individually.
Torsion springs sit against the wall over the garage door.
L torsion springs in orange right wound single for sectional garage door.
Many builders install one spring on garage door when they install the door.
One spring systems utilize a larger spring that puts added stress on the other garage door system components.
Another example is the clopay ez set torsion spring system for garage doors.