Adjusting the feed dog
42 Service Instructions 827/827-M - 01.0 - 05/2019
9.2.3 Adjusting the stroke movement
Order
First, check the following adjustment:
• Feed dog height ( p. 41)
Fig. 27: Adjusting the stroke movement
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
is at the same height as the upper edge of the throat plate during
the upward movement.
5. Tighten the threaded pins (1).
(1) - Threaded pins (2) - Stroke eccentric
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