Thread: 1923 Singer 99K
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Old 04-01-2024, 07:12 PM
  #2  
WIChix
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Join Date: Jan 2015
Location: Wisconsin
Posts: 472
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Generally, if the thread issue occurs on the bottom, the top tension needs adjusting (and viceversa.)

Start with the top tension, tighten by 1/8 to 1/4 turn, and test again.
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