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Thread Tension
For rolled
hemming
and picot
edging
Correct
tension
The illustration
at right shows
sewing results with
correct tension
settings.
Adjusting
the thread tension
may be required
depending
on the type of fabric and thread being used.
(_
Wrong side of fabric
(_
Right side of fabric
@
Right needle thread
(_
Upper looper thread
Lower looper thread
Thread
tension
adjustment
1. Set the tension dial as shown on page 58.
2. Serge and check the tensions.
3. If the tension balance
on the test piece is not
satisfactory,
you can adjust the thread
with thread tension dial.
Remedy:
.......
i i
®
Remedy:
Tighten the upper i_:_:
:_iead
tension.
(_
Upper looper thread tension dial
I
Looper
thread
tension
is out of balance
The illustration
shows sewing results when the upper
looper thread
tension is too tight and/or
lower looper
thread tension
is too loose.
Remedy:
Loosen
upper looper thread tension
and/or tighten
lower looper thread tension.
(_
Upper looper thread tension dial
_)
Lower looper thread tension dial
62
J
®
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