Thread cutter
70 Service Manual 867 Version 02.0 - 04/2015
3. Position the thread-pulling knife (3) such that the arrow mark is exactly
next to the tip of the counter-blade (2).
4. Turn the hook thread clamp (5) such that it rests against the thread-
pulling knife (3).
5. Turn the counter-blade (2) such that it rests against the thread-pulling
knife (3).
6. Tighten the screw (1).
7. Check the position of the cutters, since the counter-blade can easily
become warped when the screw is being tightened.
15.4 Adjusting the needle thread tension
Proper setting
The threads are cut when the thread lever is at the top dead center (hand-
wheel position 60°).
Additional setting for 2-needle machines
2-needle
machines
The control cam for the right-hand needle or the right-hand hook support
is identified by an R and an arrow for the direction of rotation.
The control cam for the left-hand needle or the left-hand hook support is
identified by an L and an arrow for the direction of rotation.
Cover
• Tilt the upper section ( 3.3.1 Access to the machine bottom section,
page 12)
• Throat plate slide ( 3.3.5 Opening and closing the throat plate slide,
page 15)
WARNING
Risk of injury
Risk of crushing injuries and stab wounds from mov-
ing and sharp parts.
Switch off the sewing machine before checking and
setting the point in time for cutting.
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