White W1750C Sewing Machine User Manual


 
ADJUSTING
THE
THREAD
TENSIONS
The
thread
tension
must
be
properly
balanced.
If
adjustment
is
required,
it
can
be
made
by
changing
the
upper
thread
tension.
A.
Correct
Thread
Tension
Upper
and
bobbin
threads
should
lock
approximately
in
the
middle
of
fabric.
B.When
bobbin
thread
appears
on
top
side
of
fabric.
Turn
the
tension
dial
to
a
lower
number.
C.When
upper
thread
appears
on
the
bottom
side
of
fabric.
Turn
the
tension
dial
to
a
higher
number.
D.Thread
Tension
for
Zigzag
Stitches
To
sew
zigzag
stitches,
the
thread
tension
should
be
set
to
a
slightly
weaker
tension
than
when
sewing
straight
stitches.
You
will
obtain
a
nicer
stitch
when
upper
thread
appears
on
bottom
side
of
fabric.
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