Adjusting Thread Tension - Toyota SP100 Series Instruction Manual

Adjusting thread tension

If necessary, adjust the upper thread tension as
follows.
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
Upper thread is too tight
C type
Upper thread is too loose
C type
Increase the upper thread tension.
Wrong
side
Note:
If the tension does not change even when you
adjust the upper thread tension, re-thread the
upper and lower threads.
Wrong
side
D type
Lower the upper thread tension.
D type
3
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