Fig. 61
while for the type of fabric in work, the tension of the lower thread
must be kept constant, the pressure of the presser bar spring and
the tension of the upper thread must be changed in accordance
with the thickness of the type of fabric.
- Positioning of presser bar and presser foot.
The opening in the presser foot (hole or slot), which permits the
passage of the needle, must be adjusted so that it is exactly above
the outspending opening in the needle plate (Fig. 62). Should the
presser foot not be positioned correctly, proceed as follows:
Slightly loosen the presser bar screw No. 048050 GEB in the
pres
ser bar guide No. 85318 (see Fig. 61).
Turn the presser foot until it is in the correct position on the needle
plate.
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