SINGER 401 User Manual
Page 17
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NEEDLE THREAD TENSION
STRAIGHT STITCHING
Needle thread tension too light —
correct by setting dial to lower num
ber.
Needle thread tension too loose —
correct by setting dial to higher num
ber.
^
w
/
mja
wfiMt
7Mmd
¥//m^ w/m.i
wm
/A
A perfectly locked stitch results with upper and lower tensions balanced so that needle and bobbin
threads are drawn equally into fabric.
29
BOBBIN THREAD TENSION
STRAIGHT STITCHING
Bobbin thread tension too tight —
correct by turning screw in direction
indicated.
Bobbin thread tension too loose —
correct by turning screw in direction
indicated.
A perfectly locked stitch results with the upper and lower tensions balanced so that needle and bobbin
threads are drawn equally into fabric.
30
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