SINGER 221-1 Featherweight User Manual
Page 11
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20
NEEDLE THREAD TENSION
Needle thread tension too
tight—correct by setting
dial to lower number.
Needle thread tension too
loose—correct by setting
dial to higher number.
A perfectly locked stitch results with upper and lower tensions balanced
so that needle and bobbin threads are drawn equally into fabric.
21
BOBBIN THREAD TENSION
Bobbin thread tension
too tight—correct by turn
ing screw counterclock
wise.
Bobbin thread tension
too loose—correct by turn
ing screw clockwise.
/////
4
» /////.^
7/////J //////|
VJ///4A
•//✓ //
A perfectly locked stitch results with upper and lower tensions balanced
so that needle and bobbin threads are drawn equally into fabric.