Operation Manual

Thread
chart
for
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
5.0 mm
(784)
denim,
heavy
cloth
Silk
No.
40—60
2.0 to
4.0
mm
(786)
Synthetic
thread
No.
70—140
Knit
fabrics:
Cotton
No.
40—60
2.0 to
5.0 mm
(784)
Silk
No.
40—60
2.0 to
4.0
mm
(786)
Synthetic
thread
No.
70—140
Rolled
hem
Polyester
thread
No.
120—140
1.0
to
2.0 mm
Mercerized
thread
(bulk
thread)
Setting
the
stitch
length
on
the
-
hobbylock
784
without
differential
feed
-
Open
work
support
12. Hold
hand
wheel
9
,J
fast
and
set
stitch-length
adjustment
-
.
knob
25
at
the
stitch
length
desired
I
)
i....
between
1
and
5
mm.
Standard
setting
N
is3mm.
Setting
the
stitch
length
on
the
/
hobbylock
786
with
differential
feed
-
/
/
Open
work
support
12.
Hold
hand
wheel
9
fast
and
set
stitch-length
adjustment
L-_
t>
A
knob
25
at
the
stitch
length
desired
c\
.i,___c(
/7
.
between
1
and
4
mm.
Standard
setting
N