Thread: Question re: Bernina BSR and thread tension
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Old 01-16-2012, 06:08 AM
  #8  
Rosewood9
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Join Date: Oct 2011
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I have a 440QE too and I made the mistake of turning the little screw on the bobbin. I ended up taking it to the dealer and they recalibrated it. It works like a charm now. You might try this.
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