Oh, Brother!
It's time to put you on "light duty"...
I am more than an "Enthusiast"! I talked with the sewing machine repairman and he told me don't fix it, you're wearing it out... buy a machine made for more than the occasional quilter! So I went to my LQS, and bought a new Janome!
Now I have to learn everything all over again...but it is going well, Janome has made everything pretty easy to operate and understand. I need to find a new sewing table as this one is from the 70's(originally for a Kenmore) and nothing fits right but it will work for now!