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
40
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
Polyester
thread
No. 100—140
1.0
to
1.5mm
Mercerized
thread
(bulk
thread>
Adjusting
the stitch
length
Open work
support
15.
Press
main feed
dog stop
(see
arrow)
fully
down and
hold
it. Turn
hand wheel
11 in the
direction
indicated
by the
arrow
until
the feed
stop
locks
in
place.
Keep
the main
feed
dog
stop pressed
down!
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