Insert for tension screwdriver – SINGER 431 User Manual
Page 29
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:r—
-Hv,
\ X
ex .„.-Jy/I
\
..m ....
Bobbin thread tension too tight
—
correct by turning screw in
direction indicated.
BOBBIN THREAD TENSION
STRAIGHT STITCHING
/
y,iiS§i
'•'xA
''•><
•<
Bobbin thread tension too loose
—
correct by turning screw in
direction indicated.
Insert for tension screwdriver
A perfectly locked stitch results with the upper and lower tensions balanced so that needle and bobbin
threads are drawn equally into fabric.
27
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