DURKOPP ADLER H-Type 969, Service Instructions Manual, Page: 80 / 90

Adjusting the thread cutter
78 Service Instructions 969 - 01.0 - 12/2015
Fig. 54: Adjusting the position of the movable knife
Setting steps
1. Move the handwheel into the 270° position (

p. 20).
2. Swing out the movable knife (2).
3. Loosen screws (5) and (6).
4. Move the knife carrier (3) aside so that the axis (tip) of the needle (1) is
at the left edge of the groove on the movable knife (2).
5. Gently tighten the screw (6) so that the knife carrier (3) can be turned
with a slight frictional torque.
6. Hold screw (5) on the cylinder (4) in the park position and turn the knife
carrier (3) so that the marking on the knife (7) is covered by the blade
of the fixed knife (8).
7. Tighten screws (5) and (6).
14.4 Adjusting the cutting pressure of the knife
Proper setting
While it should be as low as possible, the cutting pressure must allow for
the thread to be cut in a reliable manner.
(1) - Needle axis
(2) - Movable knife
(3) - Knife carrier
(4) - Cylinder (5) - Screw
(6) - Screw
(7) - Marking on the knife
(8) - Fixed knife blade
①
②
③
⑤
⑥
⑦
④