Operation Manual

Fig.
13
Needle thread
tension
The normal setting
is
between
numbers
2 and 4 on
the knob.
Turn the knob
clockwise for
stronger tension, and
anti-clockwise
for weaker tension.
Bobbin
thread tension
To
set the bobbin
thread tension,
turn
the screw with
a small
screwdriver
as
shown above. Turn
it
to the right for
stronger tension,
and
to the
left
for
weaker
tension,
Fig.
14