Bernina B 570 - Page 97

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DRAFT – VERSION
• In Service Program section 4h, bring needle bar to BDC (Bottom Dead Centre).
• ‘Position’ must show 0.00 degree.
• In direction of rotation (counterclockwise), set machine to 27.00 degree ‘Position’.
• Hook tip must be flush with left needle edge.
Adjustment:
• See 5.5.3 above
Front cover disconnected
Recheck:
• Use 3.0mm pinning tool 007937.50.00 to pin stitch-width stepping motor at ‘9’ position (590, 570, 540
9.0mm), at ‘5’ position for B 535 5.0mm.
• Bring needle bar to bottom turning point. Use a screwdriver for utmost accuracy.
• Attach loop lift gauge (734571.70.01) from right in such way that the machine is locked in BDC
position (loop lift 2.625mm).
• Move gauge to right until the needle bar is risen by 2.625mm (loop lift value) and stops.
• Hook tip must be flush with left needle edge.
Adjustment:
• See 5.5.3 above