10
A.
Tension
of
tl~
:pper
(N
e)
thread
Before adjusting the tension of
the
upper thread, be certain
that
the
presser foot
is
let down and not
in
lifted position.
Turn
serrated
nut
"N" on tension device to the right to increase tension ar:d to the left,
If
you desire to decrease it.
B.
Tension
of
the
lo,ver
(bobbin)
thread
The
tension of the lo\ver thread
is
regulated by the screw on
the
bobbin
case tension spring (see Fig. 9).
Use
the
small
driver to tighten the screw slightly to increase the ten-
sion, or loosen it to slacken the tension.
Fig. 8
Fi9. 9
To
Regulate
.the
Pressure
of
the
Presser
Foot
N
Screw
The
pressure of the presser foot on the material
is
regulated by
the Regulator Screw
(R)
(Fig. 10) on top of the machine.
Turn
this regulator
to
the left to decrease it.
Do
not employ more
foot pressure than
is required to feed
the
material properly.
Fig.
lO
,.,
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