Pfaff 60

l5.
Correct
tension
regulation
Photo
21
Perfect
stitch
///
Photo
22
Upper
tension
too
tight
or
lower
tension
too
weak
Photo
23
Upper
tension
too
weak
or
lower
tension
too
tight.
with
perfect
interlocking
of
upper
and
lower
threads
in
the
centre
of
the
material
results
in
neat
and
elastic
seams.
22