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Old 02-28-2016, 11:28 AM
  #8  
Tartan
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Join Date: Mar 2011
Location: Ontario, Canada
Posts: 41,461
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Try changing to a new needle and since the bobbin thread is coming to the top, either tighten the bobbin tension or loosen the top. Make a note or picture of the tension settings before moving them so you can turn them back if it doesn't help.
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