Operation Manual

Adjusting
thread tension
The
upper
thread
tension
is
adjusted through
turning
the thread
tension diaL
The lower
thread tension
can be
adjusted
th
rough
turning
the screw
on the
bobbin
case
slightly
to
the right (clockwise)
to increase
the
tension.
Turn
to the
left
(counter-clockwise)
to
loosen the
tension.
Correct
Loose
Tight
Fabric
Upper
thread
Bobbin
thread
Incorrect
side of fabri
thread
—13—’