Dürkopp Adler 867-M PREMIUM Service Instructions Manual page 83

Short thread cutter
Disturbance
Disturbances caused by an incorrect setting:
Setting the cutting pressure
The shape of the thread-pulling knife automatically creates the required
cutting pressure as soon as both cutting edges are on top of one another.
To set the cutting pressure:
1. Open the throat plate slide ( p. 20)
2. Disassemble the throat plate ( p. 21).
3. Disassemble the feed dog ( p. 22).
Fig. 68: Setting the counter blade (2).
(1) - Counter blade
(2) - Marking
4. Swing out the thread-pulling knife (3) until the marking (2) is next to
5. Loosen the screw (4).
6. Place the counter blade (1) in position against the thread-pulling
7. Tighten the screw (4).
Service Instructions 867-M PREMIUM - 03.0 - 05/2017
• Increased knife wear when the pressure is too great
• Problems in cutting the thread
①
the cutting edge of the counter blade (1).
knife (3).
④
② ③
(3) - Thread-pulling knife
(4) - Screw
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