Welcome to Quilting Board. There aren't many posts or threads about leather patcher machines here. I wonder if you might have better luck with the leatherworker.net forum. I did find some old posts on there for your machine.
https://leatherworker.net/forum/topi...bobbin-i-need/
https://leatherworker.net/forum/topi...olled-problem/
Janey - Neat people never make the exciting discoveries I do.
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