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(6) Step on the gray color start switch (NO.5). The sewing machine starts the sewing.
(7) After finished the sewing, the work holder is lifted automatically then, the sewing material
is released.
6-3. Adjustment of the thread tension
The thread tension between the upper and bottom thread should be balanced in the best
condition.
When the upper thread tension is well balanced with the bobbin thread tension, both
threads are interlocked along the centerline of fabric layers as shown on the below
figures.
NOTE Normally weaker bobbin thread tension brings better sewing quality.
So it is prefer to set bobbin thread tension first and then set upper thread tension.
3
5
4
1
2
From the library of Superior Sewing Machine & Supply LLC • www.supsew.com
