Tension adjustment of upper thread
Pic1. While doing straight stitching, both upper and lower threads must be knotted between the two
layers of garment.
(1) Adjust selection dial of thread tension disc within the window.
Pic2. The smaller the tension of upper thread is bigger, turn dial to lower nubmer.
Pic3. The tension of upper thread is smaller, turn dial to higher number.
The tension of upper thread in case of zigzag stitching.
In order to achieve good effect of zigzagging, the tension of upper thread should be less than that of
straight stiching.
The upper thread should be visible from the reverse.
P-18