SINGER W811 - Manual (Page 13)

ADJUSTING UPPER TENSION
To increase upper tension, turn upper tension regulator to higher
number.
To decrease upper tension, turn upper tension regulator to a lo­
wer number.
Turning tension regulator from ”0" to "9" will increase tension. Nor­
mal sewing is performed between "4" and "5".
Note: Normal stitches will be performed on the red zone at 4, 5 and
6 for regular cotton threads.
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1
.
Fig.
2
Fig- 3
Proper Tension
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Upper Thread Tension Too Loose
Upper Thread Tension Too Tight
A perfect straight stitch will be formed with both threads interlock­
ing in fabric as shown in Fig. 1,
When using the zig zag stitch for embroidery (satin stitching),
decrease upper tension so that top surface will look smooth at the
expense of the bottom surface.
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