Operation Manual

24hread
overedge
seams
FLATLOCK
red
[
yellow
+
blue
green
red
yellow
narrow
)-
I
-4
+2
Note:
Attach
the
converter
(see page
21)
for
sewrng
2thread
overedge
seams
1 FLATLOCK).
The
needle
thread
is too
loose
or the
left
looper
thread
(yellow)
is too
tight.
Increase
the
tension
of the
respective
needle
thread
and/or
reduce
the
tension
of
the
yellow
thread.
The
left
looper
thread
(yellow)
is
visible
on the
reverse
side of
the
fabric.
Increase
the
tension
of the
yellow
thread
and/or
reduce
the
respective
needle
thread
tension.
39