Thread: question about machine maint.
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Old 01-12-2011, 12:19 PM
  #4  
morelcabin
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Join Date: Nov 2010
Location: Ontario Canada
Posts: 848
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The sewing shop where I bought my Brother 900D says YES! oil the bobbin case. I have been doing this all along and my machine runs perfectly. I have also just purchased a 4000D and oil the bobbin case in it as well. They do run much better with oil.
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