Thread cutter
74
Service manual H867 Version 00.0 - 08/2013
Important:
After doing this, check the position of the knives, since the
counter-blade can easily become warped when the screw is being
tightened.
16.4 Setting the point in time for cutting
Correct setting
The threads are cut when the thread lever is at the top dead center (hand-
wheel position 60°).
Cover
• Tilt the upper section backwards
4.4.1 Access to the machine bottom section
• Throat plate slide
4.4.5 Opening and closing the throat plate slide
Figure 61: Setting the point in time for cutting
Setting steps
1. Loosen the control cam setscrews (4).
2. Turn the handwheel until the thread-pulling knife (6) can be swung out
by hand.
3. Pivot the thread-pulling knife (6) as far forward until the circle mark is
exactly next to the tip of the counter-blade (5).
4. Set the handwheel position to 60°.
5. Push the control cam (3) to the left as far as it will go and against the
hook clamping ring (2).
Risk of injury
Switch off the sewing machine before checking and setting the
point in time for cutting.
WARNING
6
1
2
3
5
4
(1) - Roller
(2) - Hook clamping ring
(3) - Control cam
(4) - Control cam setscrews
(5) - Counter-blade
(6) - Thread-pulling knife
Summary of Contents for M-TYPE H867
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