DURKOPP ADLER 969 Classic, Service Instructions Manual

Page: 66 / 122

Setting the sewing feet
64 Service Instructions 969 - 06.0 - 03/2019
To set the drive dog of the presser foot bar:
1. Move the handwheel into the 0° position.
2. Set the stitch length to 0 .
3. Loosen the screws (3).
4. Loosen the screw (1).
5. Remove the assembly (6) from the shaft (4) and the pin (
1
).
6. Loosen the drive dog screw (14).
7. Place the plate (7) under the sewing feet.
8. Insert the needle shaft into the slot (11).
9. Turn the lever (13) so that the needle shaft touches the presser foot
bar (10) and that presser foot (8) and feeding foot (9) press onto the
plate (7).
10. Tighten the drive dog screw (14).
11. Assemble the assembly (6).
Ensure there is an axial play of 0.2 - 0.3 mm between the sliding
block (12) and the floor of the gully (5).
11.1.3 Setting the feed stroke of presser foot and sewing foot
This setting is used to ensure that, at the start of feeding, the presser foot
is lifted above the sewing material and the material feeding movement is
not obstructed by the sewing foot.
Proper setting
The stitch length is set to 0 , and the stroke of presser foot and sewing foot
is set to 0 .
 The lever is attached to the lift bar of the feet in such a way that
the presser foot is positioned
0.3 mm higher than the sewing foot.
Cover
• left and right arm cover ( 
p. 15
)
• head cover ( 
p. 16
)