Adjusting The Cutting Pressure - DURKOPP ADLER D867 M-Type Delta Service Instructions Manual

10. Release the latch (3).
11. Tighten the screw (5).
12. Check the position of the thread-pulling knife (8) and readjust if

14.5 Adjusting the cutting pressure

Fig. 74: Adjusting the cutting pressure
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(1) - Thread-pulling knife
(2) - Marking
(3) - Counter blade
The shape of the thread-pulling knife (1) automatically creates the required
cutting pressure as soon as the thread-pulling knife (1) and counter blade (3)
make contact.
Proper setting
Any 2 threads with the greatest strength used for sewing can be neatly cut
simultaneously.
Disturbance
Disturbances caused by an incorrect setting:
To adjust the cutting pressure:
1. Swing out the thread-pulling knife (1) until the marking (2) is next to
2. Loosen the screw (5).
3. Place the counter blade (3) in position against the thread-pulling
4. Tighten the screw (5).
90
necessary.
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• Increased knife wear when the pressure is too great
• Problems when sewing on if the clamping pressure is too high
• Problems in cutting the thread
the cutting edge of the counter blade (3).
knife (1).
Short thread cutter (KFA)
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(4) - Hook thread clamp
(5) - Screw
Service Instructions M-TYPE DELTA - 00.0 - 12/2019
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