Operation Manual

3-thread
overedge
seam
4-thread
overedge
seam
The
left
looper
thread
is
too
loose
(yel
low
tension)
or
the
right
looper
thread
is
too
tight
(green
tension).
It
is
possible
that
both
tensions
are
incorrectly
set.
Adjust
tensions
accordingly.
The
left
looper
thread
is
too
tight
(yel
low
tension)
or
the
right
looper
is
too
loose
(green
tension).
It
is
possible
that
both
tensions
are
incorrectly
set.
Adjust
tensions
accordingly.
4-thread
overedge
seam
The
left
looper
thread
is
too
tight
(yel
low
tension)
or
the
right
looper
thread
is
too
loose (green
tension).
It
is
possible
that
both
tensions
are
incorrectly
set.
Adjust
tensions
accordingly.
right
looper
thread
23