Thread: Thread catches
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Old 04-29-2019, 07:47 PM
  #2  
cashs_mom
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Join Date: Jul 2013
Location: Houston, TX
Posts: 10,668
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I don't know what it could be. I have a 301a and a 503 and have never had this problem with either machine. Don't forget to take the top off and oil and clean in that area as well we underneath.
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