Operation Manual
Needle
thread
C
4-thread
overedge
seam
The
thread
tension
of
needle
C
is
too
weak.
The
pink
thread
tension
must
be
turned
in
direction
+.
thread
B
4-thread
overedge
seam
The
thread
tension
of
needle
B
is
too
weak
The
blue
thread
tension
must
be
turned
in
direction
+.
Sewing
foot
pressure
Position
N
on
the
regulating
dial
is
the
standard
sewing
toot
pressure.
For
processing
very
thick
fabrics,
set
the
regulating
dial
at
4.
For
very
thin
fabrics,
set
the
dial
at
1.