Setting The Counter Blade - Dürkopp Adler 1767 Service Instructions Manual

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10. Loosen all 4 screws (6) on the clamping ring and push the clamping
11. Tighten all 4 screws on the clamping ring (6).
12. Check the loop stroke ( p. 54).

17.3 Setting the counter blade

Proper setting
The thread must be reliably cut using little pressure. The pressure is built
up starting at the marking (2).
Any 2 threads with the greatest strength used for sewing can be neatly cut
simultaneously.
Fig. 69: Setting the counter blade
(1) - Thread-pulling knife
(2) - Marking
To set the counter blade:
1. Turn the handwheel until the thread-pulling knife (1) can be swung out
2. Swing out the thread-pulling knife (1) manually. To do this, press the
3. Insert 2 threads into the thread-pulling knife (1).
4. Turn the handwheel until the cutter swivels down.
5. Check whether the sewing threads have been cleanly cut and pressure
Disturbance
• Increased knife wear when the pressure is too great
• Problems in cutting the thread
86
ring (6) as far as it will go and against the control cam (7).
after the latch is triggered.
clamp with the roller (3) to the right against the control cam (4).
is built up starting at the marking (2).
Short thread cutter
(3) - Roller
(4) - Control cam
Service Instructions 1767 - 00.0 - 12/2016

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