Presser-Foot Settings; Main Feed-Dog Horizontal Position; Main Feed-Dog Height 0.9-1.0Mm - Bernina B 590 Service And Maintenance Manual

5.6 Presser-foot settings

5.6.1 Main feed-dog horizontal position

Check:
• Attach stitch plate.
• Bring feed-dog into operating position (switch on).
• Position feed-dog height gauge 398024.03.1+ with 0.9mm height setting onto rear end of feed-dog.
• The feed-dog should move on both sides evenly forth and back.
Note:
This setting affects (5.6.3 Main feed-dog - Position within stitch plate in X-direction).
Adjustment:
• Slightly untighten two setscrews a (T6).
• Bring eccentric shaft b into required position with a small standard screwdriver.
• Retighten two setscrews e (T6).

5.6.2 Main feed-dog height 0.9-1.0mm

Check:
• Attach stitch plate.
• Bring feed-dog into operating position (switch on).
• Position feed-dog height gauge 398024.03.1+ onto
front end of first row of teeth (pict. A).
• In the feed-dog's highest position, the peaks of the
feed-dog teeth must be at least 0.05 mm higher at the
front than at the back (pict B).
Examples:
front 0.95 mm, back 0.90 mm
front 1.00 mm, back 0.95 mm
Adjusting main feed-dog front height
• Position feed-dog height gauge 398024.03.1+ onto first row of teeth.
• Slightly untighten screw c (T10).
Note: The adjusting plate is pressure springed!
• Push the feed-dog carrier up to the required height by hand.
• Retighten screw c.
• Recheck setting.
• Repeat adjustment if necessary.
BERNINA International AG
c
Seestrasse 161 CH-8266 Steckborn
DRAFT – VERSION
A
398024.03.1+
B
d
d
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e
d