Sp 8.X Calibration Of Balance - Bernina aurora 430 Service Manual

SP 8.x Calibration of balance
SP 8.1 Balance zero feed (rough)
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What to test:
What to adjust:
Desired status:
Repair note:
SP 8.1 Rough adjustment of balance
Make sure that the basic mechanical settings are correct.
(see page 60)
Press key 8 once in the basic program.
Press key 18 to activate 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. symbol j
Zero feed: fabric should not move under the presser foot.
The offset value can be in the range of 1 to 16, the basic
setting is 8. symbol b
The balance offset values can be reduced (keys 25 + 24)
or increased (keys 25 + 26) by one unit.
• 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.
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