Welcome. I couldn't find a picture of your machine.
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In addition for threading the bobbin correctly, the needle needs to be inserted and threaded correctly. I remember setting up a machine and decided I didn't want to look up the manual to find how to insert and thread the needle. I took a mirror and set on needle plate to see which side the flat was on. I inserted the needle with the flat on the right and threaded from left to right. I think a lot of the Morse machines are threaded from left to right, with some of the later ones from front to back.
I'm wondering if this threading diagram would help?
http://www.sewusa.com/Threading_Diag...ng_Diagram.htm
Janey - Neat people never make the exciting discoveries I do.
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