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13.2
Fig. 68: Adjusting the cutoff curve (1)
(1) - Screw
(2) - Threaded pin (2
Proper setting
The control cam (2) makes contact with the safety clutch.
The distance between the widest extent of the control cam (2) and
the roller (3) is no greater than 0.1 mm.
In the rest position, the thread-pulling knife should be flush with the tip
of the counter blade.
To adjust the cutoff curve:
1. Tilt the machine head ( p. 18).
2. Open the throat plate slide.
3. Loosen both threaded pins (2) on the control cam (3).
4. Set the control cam (3) all the way to the right against the safety clutch.
5. Tighten both threaded pins (2) on the control cam (3).
6. Loosen the screw (1).
7. Move the roller (4) such that the distance between the roller (4) and
8. Tighten the screw (1).
82
Adjusting the cutoff curve
①
nd
one covered)
the widest extent of the control cam (3) is no greater than 0.1 mm.
Make sure that the upper part of the roller (4) does not collide with
the control cam (3).
Thread trimmer
(3) - Control cam
(4) - Roller
Service Instructions D869 e-con - 00.0 - 09/2023
④
③
②
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