Leon, thank you. That was a fun read about how you got started.
Tensions aren't too bad, if you have the diagram as how they go together. The 201 manual I have, has it broken out, along with instructions.
A few links I found about the 201 tension assembly are:
https://www.youtube.com/watch?v=guYToL6Gegs
https://oldsingersewingmachineblog.c...on-adjustment/
https://oldsingersewingmachineblog.c...sion-part-two/
Another thought - are you sewing at a consistent speed? Are you going over seams or pleats when this happens?
Janey - Neat people never make the exciting discoveries I do.
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