Short thread cutter (KFA)
80 Service Instructions 867 - 04.0 - 10/2019
Adjusting 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 adjust the cutting pressure:
1. Open the throat plate slides ( p. 18).
2. Disassemble the throat plate ( p. 19).
3. Disassemble the feed dog ( p. 20).
Fig. 66: Adjusting the counter blade (2)
4. Swing out the thread-pulling knife (3) until the marking (2) is next to
the cutting edge of the counter blade (1).
5. Loosen the screw (4).
6. Place the counter blade (1) in position against the thread-pulling
knife (3).
7. Tighten the screw (4).
(1) - Counter blade
(2) - Marking
(3) - Thread-pulling knife
(4) - Screw
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