Re: zigzag question


Jim Stutsman
 

A couple of things to check:

  1. Remove the regular bobbin case and inspect it top and bottom. Look for any kind of roughness. Sometimes a broken needle pierces the case and causes a bump. This will appear like whacky tension and may make a clicking sound as you sew.
  2. Look at the regular case from the top. You'll see a thin metal spring running from the 6 o'clock position to about the 8 o'clock position. Sometimes thread lint will ball up at the 8 o'clock end, forcing the spring out a bit. That cause the tension to be off. Use the thinnest, finest needle you have to gently tease the lint ball out from behind the spring. This will restore normal tension.

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