If you know so much about garage doors, why the **** did you call me? Have a nice day..Bye.
Can only speak for myself but referencing my previous posts in this thread, I called the local store of a national
overhead door company to have them replace a broken torsion spring because I was at work and wouldn't be able deal with it in a timely manner. So, I was willing to pay extra for someone else to fix it while I was in the office.
Unfortunately, the tech arrived, looked at the garage door and promptly commented to my wife "I sure hope that I remember how to repair these". While it's not your standard torsion spring mechanism, it really has only one "extra" part. Very much like the one pictured in SBERRY's post #44 of this thread, our garage doors have an adjustable "coupler" between the torsion springs which each have their own separate center bearing plates.
Additionally, the tech didn't have the required springs in his truck and then proceeds to tell my wife that they will need to custom make them at the shop so probably not going to get it fixed until the next day. This despite my describing the door in detail to their dispatcher when I booked the service call, and basically giving them every detail except the actual spring wire dimensions which I didn't have a work. He leaves, my wife calls me, I call them and tell them not to worry as I'll find another solution, which meant buying the correct springs and replacing them myself.
Not what I had hoped for when I called them but in the end, I repaired it myself, largely because the tech didn't know as much as I did. You are correct -- I won't be calling them in the future because experience suggests that I can't count on the local
overhead door company to perform a simple torsion spring replacement.