Basic Balance Settings - Bernina aurora 430 Service Manual

78
Basic balance setting
Standard (front cover must be removed):
• Pin balance adjusting cam 107 (pin from
handwheel side).
• The drive gear must be against the stop.
• The stitch length crank 108 must now be
in pinning position.
Correction:
• Loosen the securing screw of the
clamping piece 38.
• Turn crank 108 to its pinning position, and
pin.
• Turn toothed segment to stop and
retighten screw 38.
Attention:
The first tooth of drive gear
must be in the first tooth of
the parallel toothed segment!
39
38
"Stop" position
1st tooth of drive gear
1st tooth of parallel
toothed segment
108
107