3-Thread Overlock Wide (LN)

The looper threads (red/blue) form loops on the bottom side of fabric.

  1. Reduce the LL thread tension (red).
  2. Increase the UL thread tension (blue).

The looper threads (red/blue) form loops on the top side of fabric.

  1. Reduce the UL thread tension (blue).
  2. Increase the LL thread tension (red).

The needle thread (yellow) forms loops on bottom side of the fabric.

  1. Reduce the LL thread tension (red).
  2. Increase the LN thread tension (yellow).

The fabric edge forms a tunnel or rolls up.

  1. Reduce the UL thread tension (blue).
  2. Reduce the LL thread tension (red).
  3. Increase the Micro Thread Control (mtc)
  4. Reduce the cutting width CW.
  5. Check the rolled hem lever N/R position.

The seam puckers.

  1. Reduce the LN thread tension (yellow).
  2. Set the differential feed between 1 and 0.6 (Stretching).
  3. Reduce the stitch length SL.