Bernina KL. 940 Service Manual page 32

ADJUSTMENT OF AU,TOMATIC BUTTONHOLER
Set buttonhole knob to
0.
Turn in stitch length knob 29 to the stop.
a) Position of stitch length knob 29
The mark on the front of the knob 29 must be at the top. In the event of a discrepancy,
loosen hexagonal nut 79 behind the knob and turn knob to correct position.
WARNING: spacing between sliding arrow and nut must be at least 2 mm. The stitch
length knob must not turn out of the zero position.
b) Setting stitch length stop
The sliding arrow must coincide with the
0
on the stitch length scale.
Correction:
Loosen the two screws 1 5 1. The stitch length knob 29 with sliding pointer (stop) can th
be moved so that the sliding pointer coincides with the scale. Tighten the two screws
1 f