Operation Manual

Thread
chart
for
3-thread
overedge
seam
Material
hread
Stitch
length
Light
materials
Organdy,
light-knit
Cotton
No
80-
1
(JO
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--lOU
20
to
40
mm
Cotton,
tricot,
Silk
No
50-100
linen,
dress
materials
Synthete
thread
No.
70—140
Heavy
materials:
Tweed,
suit
materials,
Cotton
No.
40—60
2.0
to
50
mm
denim,
heavy
cloth
Silk
No.
40-60
Synthetic
thread
No
70—140
Knit
fabrics:
Cotton
No.
40-60
2.0
to
5.0
mm
Silk
No.
40-60
Synthetic
ttiread
No.
70—140
Rolled
hem
Polyester
thread
No.
120—140
1.0
to 20mm
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
arid
5
mm
Standard
setting
N
is
3 mm.
17