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ADJUSTING THE THREAD TENSIONS
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The thread tension must be properly
balanced. If adjustment is required, it can be
made by changing the upper thread tension.
A. Correct Thread Tension
Upper and bobbin threads should lock approximately
in the middle of fabric.
B.When bobbin thread appears on top
side of fabric.
Turn the tension dial to a lower number.
C.When upper thread appears on the bottom
side
of fabric.
Turn the tension dial to a higher number.
D.Thread Tension for Zigzag Stitches
To sew zigzag stitches, the thread tension
should be set to a slightly weaker tension than
when sewing straight stitches.
You will obtain a nicer stitch when upper thread
appears on bottom side of fabric.
A
C
D
B