Sewing
• Adjusting thread tension
Straight stitch
Upper thread is tight
Wrong
side
Right
side
Upper thread is loose
Wrong
side
Right
side
Zigzag sewing
Upper thread is tight
Right
side
Upper thread is loose
Right
side
28
Upper thread is tight
Upper thread is loose
Wrong
side
Note: If the tension does not change even when
you adjust the upper thread tension, thread
the upper thread and lower thread again.
Wrong
side
Adjustment method
for upper thread tension
Lower the upper
thread tension.
Increase the upper
thread tension.