Operation Manual

Thread
chart
for
2-,
3-, 4-thread-
overedge
seam
Material
Thread
Stitch
length
!
Light
materials:
Organdy,
light-knit
Cotton
No.
80
—
100
2,0
to
4,0
mm
fabric,
Taffeta,
silk
Silk
No.
80
—
100
lining
materials
Synthetic
thread
No.
70
—
140
Medium-heavy
materials:
Cotton
No.
60—
100
2,0
to
4,0
mm
Cotton,
tricot
Silk
No.
50
—
100
linen,
dress
materials
Synthetic
thread
No.
70
—
140
Heavy
materials:
Tweed,
suit
materials,
Cotton
No.
40
—
60
2.0
to 4,0
mm
denim,
heavy
cloth
Silk
No.
40
—
60
Synthetic
thread
No.
70 —
140
Knit
fabrics:
Cotton
No.
40
—
60
2,0
to
4,0
mm
Silk
No.
40
—
60
Synthetic
thread
No.
70
—
140
Rolled
hem
with
Polyester
thread
No. 1
20
—
140
1,0
to
2.0
mm
2
or
3
threads
Mercerized
thread
(bulk
thread)
Setting
the
stitch
length
Open
work
support
12.
Hold
hand
wheel
9
fast
and
set
stitch
length
adjustment
knob
25
at
the
stitch
length
desired
between
1
and
4 mm.
Standard
setting
N is
3
mm.
22