Thread: Owners of Brother SQ9000 - Help
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Old 02-28-2015, 11:43 AM
  #4  
Prism99
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Join Date: Dec 2008
Location: Western Wisconsin
Posts: 12,930
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To confirm it's the motor, you can try running it without a needle (and even without a bobbin). Jack hammer is not a normal sound for any sewing machine!
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