Thread cutter
Service Instructions 867-M PREMIUM - 03.0 - 05/2017 71
Important
Screw the 4 threaded pins (3) tightly in place on the clamping ring (2)
before you loosen the threaded pins (5). The clamping ring (2) and control
cam (4) are both mutually used as a stop and must not be loosened at the
same time.
6. Loosen the threaded pins (5).
7. Press the actuating lever (7) against the solenoid (9).
8. Turn the control cam (4) such that its widest extent (6) is at the top,
next to the roller (1).
9. Move the control cam (4) such that the distance between its widest
extent (6) and the roller (1) is 0.1 mm at most.
10. Tighten the threaded pins (5).
11. Loosen the clamping screw (8) on the actuating lever (7).
Fig. 60: Setting the cutoff curve (2)
12. Turn the thread-pulling knife (12) so that the circle mark is exactly next
to the tip of the counter blade (11).
13. Tighten the clamping screw (8) on the actuating lever (7) such that the
actuating lever (7) has no axial play.
14. Loosen the threaded pins (3) on the clamping ring (2).
15. Push the clamping ring (2) to the right as far as it will go and against
the control cam (4).
16. Check the loop stroke position ( p. 48).
17. Tighten the threaded pins (3) on the clamping ring (2).
(10) - Screw
(11) - Counter blade
(12) - Thread-pulling knife
(13) - Screw
(14) - Hook thread clamp
(15) - Screw
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