The torsion spring is a wound up piece of metal that is used to generate latent and kinetic power both which are used to move a set of garage doors. The spring can lift, drop, or hold the structure together. Therefore, it is very powerful and essential for the operation of the entire garage door. Normally it is recommended that only a professional or experienced person repair these springs given their tremendous potential to injure a person seriously.
The springs arrive in a number of sizes so it is imperative to have proper measurements prior to attempting any repairs. One needs to know the wire thickness which can be identified using a dial caliper. They also need the length of the stacked turns and this can be done using a simple ruler. It is important to note the inside diameter when the spring is relaxed and also the left hand winding.