It's a story. M. loves to make art quilts. She finds pictures of human body organs (think heart, kidney, lungs, cancer cells) and uses applique and thread painting to create wall hangings. She does flowers too. She started out with a Singer 237. Then something went apeshit with the motor on that machine. I switched it out for a Vintage White 1099 Jeans Machine. She did really well with that. One day she declared that she was done with the White. "It's messing up the thread, I can't get it to stitch right, I just don't like it."
Of course everyone who does what she does (art quilts) has a Bernina 800 series. Yeah, no.
She wants: needle positioner, needle up and down, zig zag, straight stitch, and feed dogs that drop to allow for free motion quilting. This is not an impossible list. Such a machine is available with additional stuff that she doesn't need; i.e. 300 decorative stitches and an automatic butttonholer. She also has an aversion to plastic computerized machines. I taught her well.
Ultimately we came to the conclusion that a Singer 20U with a servo motor and needle up/down positioner would work. We found a Singer 20 (a blue one, it's reportedly the best) on Craigslist. True, it had the clutch motor. I was sure changing that out would not be a problem.
I know some things about machines. I was thoughtless when it came to testing this 20U. Oh, it stitched. It stitched well, until it didn't. It jammed and would not budge. It wasn't the motor. That was fine. Nope. This thing felt like it had a thread nest. We did spend some time spraying Tri-flow on all the gears. They looked dirty, but fine. I took off the top, I looked at the bottom. Squirt, spray, nothing. I did not look at the hook.
I brought it home. The seller was stuck. No way could they sell that machine in this condition and I really wanted it. Don't judge. We agreed that if it magically started working when I got it home, I would send him a reduced price. If it didn't and I couldn't get it working, he wanted the machine back.
Right.
You know that as soon as we got home, I took off the needle plate, tipped it back on it's side and removed the bobbin case. I doused that hook with oil and slowly got it to turn, just a bit. Holy moly, no wonder it jammed. That hook and race was a fucking mess.
I had estimated that it would take me ten hours to get this machine stitching again. The seller balked at that estimate. It took longer. Maybe if I had been more methodical, or if I took the hook off the shaft (I tried) it wouldn't have take as long.
Even this is not as clean as it ended up.
Did I learn anything from this escapade? Not yet. I'm still rescuing machines. I saw a 1960s Bernina Industrie listed in New Jersey. Not gonna happen. This 20U is stitching. I'm gonna tinker with it some more. I have needles coming soon. I have a new bobbin case on hand. My dream is to get it set up so M. can continue her journey in art quilts.