DURKOPP ADLER 969 Classic, Service Instructions Manual

Page: 45 / 122

Setting the feed dog
Service Instructions 969 - 06.0 - 03/2019 43
8.2 Setting the feed dog movement
The feed dog moves in an elliptical cycle. To align this correctly, the feed
movement and the stroke height and the stroke movement of the feed dog
all have to be set.
Order
First, check the following setting:
• Feed dog position ( 
p. 40
)
8.2.1 Setting the feed movement
The proper setting for the feed movement is checked at standstill and set
using the pusher eccentric.
Proper setting
Set the handwheel to the 190° position and the upper stitch length adjust-
ing wheel to the maximum stitch length.
 When the stitch regulator is pressed down, the feed dog stops.
Cover
• right arm cover ( 
p. 15
)
Fig. 30: Setting the feed movement
To set the feed movement:
1. Set the upper stitch length adjusting wheel to the maximum stitch
length.
2. Loosen the threaded pins (1).
3. Move the handwheel into the
190° position.
4. Press the stitch adjustment lever (3) down and observe how the feed
dog and needle respond.
5. Turn the pusher eccentric (2) so that the feed dog and needle no
longer move when the stitch adjustment lever (3) is pressed.
6. Tighten the threaded pins (1).
(1) - Threaded pins
(2) - Pusher eccentric
(3) - Stitch adjustment lever
③
①
②