Needle Distribution - Bernina B 590 Service And Maintenance Manual

5.4.2 Needle distribution

Note:
To use the Service Program, the machine must be running (switched
on). Refer to the safety instructions, please.
Checking sewing-/embroidery machines
• Remove head cover.
• Start machine in Service Program. Select test 5e.
• Use pinning tool 007937.50.00 to pin SW stepping motor =
center needle position (at 9 on 9mm SW machines, at 5 on
5.5mm SW machines).
• Use a size 130/705H TCN 80Nm needle (pct. A).
• The needle must now be in the center of the stitch hole.
Note: Should the stitch-width stepping motor not be pinnable, check the needle
bar support for smooth running (see 4.2.22). Adjust the pinning position.
Checking embroidery machines
• Remove head cover.
• Use a size 130/705H TCN 80Nm needle.
• The needle must now be in the center of the stitch hole (pict. B).
Adjusting sewing-/embroidery machines
• Use pinning tool 002733.50.00 to pin stitch-width stepping motor.
• Slightly untighten screw b (T10).
• Use eccentric key 001361.70.00 in eccentric mesh to center the needle
(pict. C).
• Retighten screw b.
Adjusting embroidery machines
• Slightly untighten screw e (T10).
• Set needle to center (pict. C).
• Retighten screw e.
BERNINA International AG
C
b
001361.70.00
Seestrasse 161 CH-8266 Steckborn
DRAFT – VERSION
5.5mm
007937.50.00
A
B
D
Schweiz Seite 93 von 172
9mm
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e