Thread: Newly purchased 401a
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Old 03-25-2013, 05:05 PM
  #6  
J Miller
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Join Date: Feb 2012
Posts: 8,091
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The 401s have a few areas that are oil hungry. The best rule of thumb is if it moves oil it. And once you get the bobbin, needle, and other details figured out, using it will make it quieter and smoother.

Joe
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