DURKOPP ADLER H868, Operating Manual

Page: 24 / 80

Operation
Operating manual H868 Version 00.0 - 07/2013 22
2-needle
machines Note on 2-needle machines:
2-needle machines are equipped with a second tensioning
screw triangle for the 2nd needle thread. The threading-in
procedure corresponds to that for the 1st needle thread.
Figure 7: Needle thread threading procedure for 2-needle machines
1. Guide the threads through the guides and around the
tensioning screws in such a way that the threads do not
intersect.
2. First guide the left-hand needle thread through the left-hand
guide holes and around the left-hand tensioning screw triangle.
3. Then guide the right-hand needle thread through the right-
hand guide holes and around the right-hand tensioning screw
triangle
.
5.4 Inserting and winding on the hook thread
(1) - Tensioning screws in triangular
arrangement for the second
needle thread
(2) - Tensioning screws in triangular
arrangement for the first needle
thread
1 2 3 4
+
–
+
–
+
–
+
–
+
–
+
–
+
–
1
2
Risk of injury by the needle point and moving
parts
Switch off the sewing machine before inserting the
thread.
WARNING