Operation Manual

—
—
—
—
/
t\
When
the
thread
tension
is
turned
in
(+)
direction,
the
tension
is
increased.
When
turned
in
(—)
direction,
it
is
decreased.
Incorrect
thread
tension:
The
left
needle
thread is
too
loose
(blue
thread
tension).
The
right
needle
thread
is too
tight
(green
thread
tension),
or
the
right
overedge
looper
thread
is
too
loose
(red
thread
tension).
The
right
needle
thread
is
too
loose
(green
thread
tension),
or
the
right
overedge
looper
thread
is
too
tight
(red
thread
tension).
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