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ashleygratton

Bobbin thread tension too loose on Singer Slant-o-matic 401.

ashleygratton
15 years ago

I'm trying to sew a denim type fabric and the tension had been fine before hand, but when I was sewing I noticed that the bobbin thread tension was too loose so I removed the slide plate and tightened the bobbin thread tension by turning that screw clockwise as far as it would go. Except when I tested it it was still loose. I'm not sure what else would tighten it. Is here anything else I should be trying?

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