Old 12-18-2011, 03:29 PM
  #6  
romanojg
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Join Date: Dec 2010
Location: Norfolk, VA
Posts: 5,397
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If the problem is under then plate it's the top tension; check how it's threaded. If the problem is on top of the fabric it's the bobbin tension. I normally just rethread and re do the bobbin and try again.
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