Sears 385.4052LX200 - Manual (Page 34)

Balancing Needle Thread Tension
Correct tesion:
The thread tension is adjusted depending on the sewing
materials, layers of fabric and sewing method.
* The ideal straight stitch has threads looked between two
layers of fabric, as illustrated {magnifies to show detail).
* For an idea! zigzag stitch, the bobbin thread does not
show on the right side (top side) of the fabric, and the needle
thread shows slightly on the wrong side (bottomside) of
the fabric.
(D
Needle thread (Top thread)
Cl)
Bobbin thread {Bottom thread)
Cl)
Right side (Top side) of fabric
C4)
Wrong side (Bottom side) of fabric
® Thread tension dial
CD
Setting mark
Needle thread tension is too tight:
The bobbin thread {bottom thread) will appear on the
right side (top side) of the fabric......... Loosen the needle
thread tension by moving the dial to a lower number.
Needle thread tension is too loose:
The needle thread {top thread) will appear on the wrong
side {bottom side) of the fabric......... Tighten the needle
thread tension by moving the dial to a higher number.
Adjusting Bobbin Thread Tension
For general sewing, the bobbin thread tension does not need to
adjust. However, you can adjust the bobbin thread tension for a
specific sewing need.
Turn the adjusting screw to the right to tighten or, to the left to
loosen the tension.
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