Sp 8.3 (Balance Using "Leaf" Pattern) - Bernina aurora 430 Service Manual

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SP 8.2 '9' balance (Electronical fine adjustment)
SP 8.3 Balance leaf pattern
082
12
C
What to test:
What to adjust:
9
Desired status:
fine adjustment:
Repair note:
D
Turn clockwise
SP 8.2 - 8.3 Fine adjustment of balance
Make sure that the basic mechanical settings are correct.
Press button 8 twice in the basic program for the "9"
pattern or three times for the leaf pattern.
Press key 18 to confirm selected test.
Place fabric under presser foot and actuate foot control.
Press OK key to exit with saving or ESC key to exit
without saving.
Each test type is displayed in the matrix (symbol g) until
activated by pressing key 18 (start/stop).
The balance symbol lights.
Zero feed: fabric should not move under the presser
foot.
Balance offset is displayed in the 7-segment stitch
width block display. The offset value can be in the
range of 1 to 16, the basic setting is 8. symbol d
The balance offset values can be reduced (keys 25 +
24) or increased (keys 25 + 26) by one unit.
Turn balance shaft (C) in such a way that the '9' (middle
of figure D) is stitched correctly.
• Set offset value to lowest forward or reverse feed
value.
• Press keys 24 and 25 simultaneously to reduce the
value by one unit.
• Press keys 25 and 26 simultaneously to increase the
value by one unit.
Turn counter clock wise
symbol j