Short thread cutter
Service Instructions 1767 - 00.0 - 12/2016 83
Position of the thread-pulling knife
Fig. 66: Position of the thread-pulling knife
The thread-pulling knife (1) cannot be moved on the knife carrier (3).
Therefore, you will not have to set the cutting pressure after replacing the
thread-cutting knife (1).
The knife carrier (3) can be installed in 2 different positions: Large hook
and XXL hook. To do this, the knife carrier (3) is rotated by 180°.
In rest position, the thread-pulling knife (1) completely covers the cutting
edge of the counter blade (2). This prevents the needle thread from being
damaged.
The pivot range of the thread-pulling knife is 23°.
The control cam (5) is designed for operating with the large hook and the
XXL hook.
The control cam (5) can be on the right-hand side (label is right side up)
or on the left side (label is upside down) of the clamping ring (4).
Proper setting
The control cam (5) makes contact with the clamping ring (4).
The label of the control cam (5) is correct in accordance with the installa-
tion situation.
(4) - Clamping ring (5) - Control cam
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