Presser-Foot Adjustment; Darning Foot Height - Bernina B 590 Service And Maintenance Manual

5.3 Presser-foot adjustment

5.3.1 Darning foot height

Note:
This adjustment will set the foot height of the presser feet at the
same time on machines with manual presser-foot lowering
Check
• Attach stitch plate.
• Attach embroidery foot 26.
• Use pinning tool 007937.50.00 to pin
SW stepping motor = center needle
position
• Use new loop lift gauge to set loop lift
(2.618mm).
o Set needle bar to BDC.
o Use gauge 734571.70.01 to
attach clamp from the right in
such way that the machine is
locked in BDC position.
o Move gauge to right until the needle bar is risen by 2.618mm and stops.
• Lower presser foot.
• Use darning-foot height gauge 398026131+ to check distance
(0.5 mm +0.2) between stitch plate and sole of darning foot or
drop-shaped presser foot.
Adjustment:
• Attach embroidery foot 26.
• Use new loop lift gauge to set loop lift (2.618mm). See above.
• Lower presser foot.
• Slightly untighten setscrew b (T8).
• Slide presser foot bar up or down until the distance is 0.5mm +0.2. Ensure that presser foot and stitch
plate are parallel.
• Retighten setscrew b.
BERNINA International AG
0.5 +0.2mm
Seestrasse 161 CH-8266 Steckborn
DRAFT – VERSION
5.5mm
007937.50.00
398026131+
398026131+
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9mm
b