Adjusting the feed dog
40 Service Instructions 827/827-M - 01.0 - 05/2019
9.2 Adjusting the feed dog movement
The feed dog moves in an elliptical cycle. To align this correctly, the feed
movement, the feed dog height, and the stroke movement of the feed dog
all have to be set.
Order
First, check the following adjustment:
• Feed dog position ( p. 38)
9.2.1 Adjusting the feed movement
The proper adjustment for the feed movement is checked at standstill
and set using the pusher eccentric.
Fig. 25: Adjusting the feed movement
To adjust the feed movement:
1. Tilt the machine head ( p. 14).
2. Adjust the stitch length adjusting wheel to the maximum stitch length.
3. Loosen the threaded pins (1).
4. Move the handwheel into the 190° position.
5. Press the stitch regulator (3) down and observe how the feed dog
and needle respond.
6. Turn the pusher eccentric (2) so that the feed dog and needle no
longer move when the stitch regulator (3) is pressed.
7. Tighten the threaded pins (1).
(1) - Threaded pins
(2) - Pusher eccentric
(3) - Stitch regulator
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