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Adjustment Procedures
1. Loosen the setscrew
2. Lightly tighten the pressure adjusting screw
to the face plate bearing
plate
vertically, making sure that uneven application of torque can
be avoided.
3. Tighten the setscrew
(Caution) 1. When the setscrew
applied to the face plate bearing
Therefore, when the setscrew
the amount of the slippage torque.
2. The pressure adjusting screw
the sewing machine.
.
. At that time, move the presser foot face
.
is tightened, pressure kept
is tightened, examine
and give a pressure
is changed.
is not attached to
– 53 –
Results of Improper Adjustment
o If normal pressure is not applied,
vertical movement of the presser
cannot be accomplished normally.
o If normal pressure is not applied,
rattling will be generated and
accuracy will be lowered.
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