Pfaff 339 Owner's Manual - Page 23

Regulating, Upper, Tension, Bobbin

Page 23 highlights

Regulating the Upper Tension Turning to the right crecses. Tension in Turning to the left creases. Tension de The markings on the tension unit scale will help you remember the correct set ting for nomci sewing whenever you have to change the tension temporarily for special material. Regulating the Bobbin Case Tension Once it is set correctly, the bobbin case tension rarely requires any adjustment. Turning to the right creases. Tension in Turning to the left N: Tension de creases. You can easily turn the tension screw with the tip of your thumb. 25 3.

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Regulating
the
Upper
Tension
Turning
to
the
right
Tension
in
crecses.
Turning
to
the
left
Tension
de
creases.
The
markings
on
the
tension
unit
scale
will
help
you
remember
the
correct
set
ting
for
nomci
sewing
whenever
you
have
to
change
the
tension
temporarily
for
special
material.
Regulating
the
Bobbin
Case
Tension
Once
it
is
set
correctly,
the
bobbin
case
tension
rarely
requires
any
adjustment.
Turning
to
the
right
Tension
in
creases.
Turning
to
the
left
N:
Tension
de
creases.
You
can
easily
turn
the
tension
screw
with
the
tip
of
your
thumb.
3.
25