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Old 10-17-2011, 03:58 PM
  #5  
Kat Sews
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Join Date: Oct 2010
Posts: 647
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On most machines the dial on the top of the machine adjusts the top thread tension. The bottom thread (bobbin) is adjusted with a small screw on the bobbin case. Also you can use dental floss to clean out the tension disks.
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