Operation Manual

14.
Adjusting
the
Bobbin
Thread
Tension
For
Lighter
tension,
turn
tension screw
left
—((,
using
the
small
screw
driver.
Turning
the
screw
right will
in
crease
the
tension.
Photo
22
Perfect
stitch
Photo
24
Photo
21
Upper
tension
too
weak
or lower
tension
too
tight
26
27
15. Correct
Tension Regulation
with
perfect
interlocking of
upper
and
lower
threads
in
the
center
of
the
ma
terial
results
in
neat
and
elastic
seams.
Photo
23
Upper
tension
to
Pght
or
lower
tension
too
weak
w
1