Operation Manual

The
right
looper
thread
(red>
is
visible
on
the
reverse
side
of
the
fabric.
Increase
the
tension
of
the
red
thread
and/or
reduce
the
tension
of
the
yellow
thread.
The
left
looper
thread
(yellow)
is
visible
on
the
face
side
of
the
fabric.
Increase
the
tension
of
the
yellow
thread
and/or
reduce
the
tension
of
the
red
thread.
red
yellow
+2
-1
3-thread
rolled
hem
The
right
needle
thread
(green)
is
too
—
—
loose.
blue
green
Increase
the
tension
of
the
green
thread.
37