Operation Manual
2-thread
serging
seam
blue
I
green
I
red
I
yellowl
wide
I
I
N
blue
I
green
I
red
I
yellow
I
narrow
I
I
I
N
j_3,5J
Note:
Attach
the
converter
(see
page
21)
for
sewing
2-thread
serging
seams
(FLATLOCK).
The
needle
thread
is
too
loose.
Increase
the
tension
of
the
respective
needle
thread
and/or
reduce
the
tension
of
the
yellow
thread.
The
left
looper
thread
(yellow)
is
too
loose.
Increase
the
tension
of
the
yellow
thread.
40