Dürkopp Adler M-TYPE H867, Service Manual

Page: 39 / 92

Setting the feed-dog
Service manual H867 Version 00.0 - 08/2013 37
9.2 Setting the feed-dog movement
The feed-dog moves in an elliptical cycle. To align this correctly, both the
feed movement and the stroke height and stroke movement of the feed-
dog have to be set.
Sequence
First check the following settings:
• Feed-dog (

Section 9.1 Setting the feed-dog position , page 31)
9.2.1 Setting the feed movement
The correct setting for the feed movement is checked when the machine
is at standstill and set using the pusher eccentric.
Correct setting
Handwheel at the 190° position and set the upper stitch length adjusting
wheel to the maximum stitch length:

If the stitch adjustment lever is pressed downwards, then the feed-dog
will stand still.
Cover
• Tilt the upper section backwards
(

Section 4.4.1 Access to the machine bottom section , page 10)
Figure 28: Setting the feed movement for the feed-dog
Setting steps
1. Set the upper stitch length adjusting wheel to the maximum stitch length.
2. Loosen the pusher eccentric setscrews (1).
3. Put the handwheel into the 190° position.
4. Press stitch adjustment lever (3) downwards and observe the feed-dog
and needle in the process.
Risk of crushing
Switch the sewing machine off before you check and set the
feed movement of the feed-dog.
WARNING
1
3
2
(1) - Pusher eccentric setscrews
(2) - Pusher eccentric (3) - Stitch adjustment lever