Pfaff 212 - Page 10

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Regulating
the
thread
tensions
Upper
tension
too
loose
or
lower
tension
too
light
Needle thread
tension
Bobbin
thread
tension
U r
gUi
Fig.
15
Ill
Tensions
evenly
balanced
The
normal
setting
is
between
numbers
3 and
5
on
the
tension
regulating
knob
Turn
this
knob
clockwise
toward
9
for
a
stronger
tension,
or anti-clockwise
to
ward
0
for
a
weaker
tension
Tire
bobbin
thread
tension
is regulated
by
turning
the
sciew
shown
in Fig
17
wilh
a
small
screwdriver Turn
Ibis screw
clock
wise
tor
a stronger
tension,
or anti
clock-
wise
for
a
weaker
tension
17
wrUrwJ
iJE1F1[i.t
II
wrong
j!E3fl]j1tEJf!j:zz
II
Upper
tension
too
tight
or
lower
tension
100
loose
F1g
16
Fig.
I
7