Needle Penetration In Y Directions - Bernina B 590 Service And Maintenance Manual

5.5.4 Needle-/hook distance
Check:
•
Remove stitch plate and presser foot.
•
Use new needle 130/705H TCN Nm 80.
•
Use pinning tool no. 002733.50.00 to pin stitch-width
stepping motor = center needle position.
•
Turn handwheel until hook tip is behind the needle.
•
The distance between the needle scarf and the hook tip
must not exceed 0.01 - 0.05mm.
Note:
This setting affects (5.2.1 Position of head-frame plate/stitch plate
in Y-direction)
Adjustment:
•
We recommend to use a magnifying glass to ensure
accurate setting.
• Use screw d (T20 M4x16) to set distance:
o Turning clockwise moves needle to front, away from hook.
o Turning counterclockwise moves needle nearer to hook.

5.5.4.1 Needle penetration in Y directions

Check:
•
Use needle 130/705H Nm 100.
•
The distances between needle and edges of stitch hole in
front of and back of needle are the same.
Adjustment:
•
Untighten screw a (T6) above catcher tip.
•
Refit stitch plate.
•
Turn eccentric pin b (T6 Torx wrench) to bring stitch plate into specified position.
•
Retighten screw a (T6).
Note: We recommend to use a magnifying glass to ensure accurate setting.
BERNINA International AG
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Seestrasse 161 CH-8266 Steckborn
DRAFT – VERSION
0.01-0.05mm
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