2-Thread Overlock Narrow (RN)

Lower looper thread (red) extends over the fabric edge to the bottom.

  1. Increase LL-thread tension (red).
  2. Reduce RN-thread tension (green).

Needle thread (green) doesn't reach the fabric edge.

  1. Reduce RN-thread tension (green).
  2. Increase LL-thread tension (red).

Lower looper thread (red) doesn't reach the fabric edge.

  1. Reduce LL-thread tension (red).
  2. Increase RN-thread tension (green).

Needle thread (green) extends over the fabric edge to the top.

  1. Reduce LL-thread tension (red).
  2. Increase RN-thread tension (green).

The fabric edge forms a tunnel or curls.

  1. Increase the mtc micro thread control.
  2. Reduce the cutting width CW.
  3. Reduce the stitch length SL.
  4. Check the rolled hem selection N/R position.