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Machine head
4.8.4 Setting point in time for cutting
Proper setting
The threads are cut when the thread lever is at the top dead center.
Cover
• Swiveling up the machine head ( 3.3.1 Access to the machine bot-
• Bobbin flap ( 3.3.7 Opening and closing the bobbin flap, p. 13)
Fig. 41: Setting point in time for cutting
Setting steps
1. Loosen the setscrews (4).
2. Press and turn the hand crank until the thread-pulling knife (6) can be
3. Pivot the thread-pulling knife (6) as far forward until the circle mark is
4. Press and turn the hand crank until the thread lever is at the top dead
5. Push the control cam (3) to the left as far as it will go and against the
6. Turn the control cam (3) such that the roller (1) runs up at the contour
Service Instructions 911-211 - 00.0 - 02/2015
WARNING
Risk of injury!
Risk of crushing injuries and stab wounds from
sharp and moving parts.
Switch off the machine before checking and setting
the point in time for cutting.
tom section, p. 10)
(1) - Roller
(2) - Clamping ring
(3) - Control cam
swung out by hand.
exactly next to the tip of the counter blade (5).
center.
clamping ring (2).
of the control cam (3) and the widest extent of the control cam is at the
highest point when the thread lever is at the top dead center.
(4) - Setscrews
(5) - Counter blade
(6) - Thread-pulling knife
47
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