Setting The Cutoff Curve - Dürkopp Adler 867 Service Instructions Manual

Thread cutter
3. Place as many washers between the thread-pulling knife (2) and knife
4. Non-required washers on the top side between the thread-pulling
5. Screw down the thread-pulling knife (2) using screw (6).

15.2 Setting the cutoff curve

Proper setting
The control cam (4) makes direct contact with the clamping ring (1).
The distance between the widest extent (6) of the control cam (4) and the
roller (3) is 0.1 mm at most.
In resting position, the circle mark on the cutting edge of the thread-pulling
knife is exactly next to the tip of the counter-blade.
Cover
• Tilt the upper section ( p. 14)
• Throat plate slide ( p. 17)
Fig. 57: Aligning the thread-pulling knife sideways - Part 1
Setting steps
1. Loosen all four setscrews (2) on the clamping ring (1).
Service Instructions 867 - 03.0 - 10/2017
carrier (4) that the upper edges of the counter-blade (1) and thread-
pulling knife (2) are at the same height.
knife (2) and screw (6) should be kept.
WARNING
Risk of injury
Risk of crushing injuries and stab wounds from mov-
ing and sharp parts.
Switch off the sewing machine before aligning the
thread-pulling knife sideways.
(1) - Clamping ring
(2) - Setscrews
(3) - Roller
(4) - Control cam
(5) - Setscrews
(6) - Widest extent
(7) - Actuating lever
(8) - Clamping ring
(9) - Solenoid
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