Bobbin Thread Adjustment; Adjusting Tension For Zigzag And Embroidery - Siruba HSP-68100 Instructions Manual

Decrease
Increase

BOBBIN THREAD ADJUSTMENT

1. Through the hole provided turn the screw to left to
decrease the tension.
2. The lower thread tension has already been
adjusted, do not adjust it if it is necessary.
ADJUSTING TENSION FOR ZIGZAG
AND EMBROIDERY
The upper thread tension should be slightly weaker
when sewing a zigzag or a satin stitch. The upper
thread should appear slightly on the underside of the
fabric.
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