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Software settings
17.10 Synchronizing the feeds
17.10.1 Calibrate the main feed
1. Ensure that the mechanical basic setting is performed completely.
2. Set the sewing foot pressure to the base value (26/47 mm)
Fig. 79: Setting the sewing foot pressure
3. Disassemble the top transport foot and the center foot.
4. Assemble the calibrating foot (0178 800024).
5. Lower the differential feed, lower.
6. Set the adjusting needle (0558 006060) such that it creates a stitch on
7. Switch on the machine.
8. Select the menu Service > Service Calibrations > Motor Cal-
9. Lift the sewing feet and insert the strip of cardboard.
10. Press the pedal forwards.
11 stitches are sewn. The distance between the first and the last stitch
11. If required, change the distance with +/-1 or +/-10. If the distance is to
12. Repeat the sewing, until the distance is precisely 20 mm.
13. Repeat steps 8 to 11 for the setting Motor Main 3mm (30 mm) and
Service Instructions 610/630 - 00.0 - 10/2014
a cardboard strip.
ibration > Motor Main 2mm.
should be precisely 20 mm.
be reduced, a smaller minus figure must be entered. If the distance is
to be increased, a higher minus figure must be entered.
Motor Main 4mm (40 mm).
85
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