Operation Manual
3-thread
overedge
seam:
Threading
of
the
right
and
left
looper
is
described
on
pages
10
and
11.
The
slide
of
converter
41
must
be
set
at
its
right
position
B
(see
p.
20).
The
3-thread
overedge
seam
is
sewn
with
two
looper
threads
and
one
needle
thread.
Seam
width
adjustments
at
adjustment
knob
26
(3
to
5
mm)
only
refer
to
the
right
needle.
When
the
left
needle
is
used,
the
set
value
is
increased
by
2.2
mm
(seam
width
5.2
to
7.2
mm).
Left
needle
3-thread
overedge
seam
Right
needle
Standard
seam
width
N
-1
I
5.7
MM
Standard
seam
width
N
El
3,5
MM
Max.
seam
width
7.2
mm
Max.
seam
width
5
mm
19