Differential Top And Bottom Feed; Setting The Feed Motion Of The Feeds - DURKOPP ADLER 610 Service Instructions Manual

11 Differential top and bottom feed

11.1 Setting the feed motion of the feeds

Correct setting
After passing the dead center of the needle bar, the feed should perform
another small thrust motion. The groove of the two cams (1) and (2) on the
lower shaft both point forwards.
Cover
• Tilt the machine ( Section 3.5.1, pg. 11)
• Remove the oil pan ( Section 3.5.8, pg. 17).
Fig. 51: Feed motion of the feeds
(1) - Stroke cam
Setting steps
1. Lock machine in position D.
2. Loosen both screws on the stroke cam (1).
3. Align the groove forwards (3 o'clock).
4. Tighten both screws on the stroke cam (1).
5. Loosen both screws on the thrust cam (2).
6. Align the groove forwards (3 o'clock).
7. Tighten both screws on the thrust cam (2).
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WARNING
Risk of injury
Risk of crushing from moving parts
Switch off the sewing machine before setting the feed.
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Differential top and bottom feed
(2) - Thrust cam
Service Instructions 610/630 - 00.0 - 10/2014
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