DURKOPP ADLER H-Type 969, Service Instructions Manual

Page: 44 / 90

Setting the feed dog
42 Service Instructions 969 - 01.0 - 12/2015
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 stroke movement of the feed dog all
have to be set.
Sequence
First, check the following setting:
• Feed dog (

p. 39)
8.2.1 Adjusting the forward movement
The correct setting for the feed movement is checked with the machine at
a 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
• Remove the upper right cover (

p. 11)
Fig. 29: Setting the feed movement for the feed dog
WARNING
Risk of injury!
Crushing injuries from moving parts.
Switch the sewing machine off before you check
and set the forward movement of the feed dog.
(1) - Setscrews
(2) - Pusher eccentric (3) - Stitch adjustment lever
①
②
③