Adjusting The Stroke Movement - DURKOPP ADLER 827 Service Instructions Manual

9.2.3 Adjusting the stroke movement

Order
First, check the following adjustment:
• Feed dog height ( p. 41)
Fig. 27: Adjusting the stroke movement
(1) - Threaded pins
Proper setting
At the front dead center (handwheel position 90°) and at the rear dead
center (handwheel position 270°) for the feed dog, the upper edge of
the feed dog is at the same height as the upper edge of the throat plate.
At 90°, the feed dog is in the upward movement; at 270°, in the downward
movement.
To adjust the stroke movement:
1. Tilt the machine head ( p. 14).
2. Loosen the threaded pins (1).
3. Move the handwheel into the 90° position.
4. Turn the stroke eccentric (2) such that the upper edge of the feed dog
5. Tighten the threaded pins (1).
42
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is at the same height as the upper edge of the throat plate during
the upward movement.
Adjusting the feed dog
(2) - Stroke eccentric
Service Instructions 827/827-M - 01.0 - 05/2019
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