Adjusting The Thread Cutter; Setting The Control Cam - Dürkopp Adler 650-10 Service Instructions Manual

Individual settings
Cover
• Remove the material support and column cover ( p. 16).
Fig. 14: Setting the throat plate
(1) - Column head
(2) - Screws
To set the throat plate:
1. Remove the lower conveyor belts ( p. 39), in order to be able to turn
2. Loosen both screws (2).
3. Use the hand wheel to turn the needle so far that insertion into the
4. Turn the column head (1) and move it sideways such that the needle
5. Tighten both screws (2) without changing the position of the column

3.11 Adjusting the thread cutter

To ensure that the thread cutter functions correctly, set the control cam as
well as the thread-pulling knife and the counter blade.

3.11.1 Setting the control cam

The control cam determines the path and timing of the cutter movement
and adjusts the cutter movement to the needle movement.
To ensure a correct setting, the position of the control cam and the
distance between the control cam and the roller must be set.
Position of the control cam
Proper setting
Machine is locked in place at Position 4 ( p. 17):
 When you push the thread cutter lever (3) upwards, the roller (2)
Service Instructions 650-10 - 01.0 - 08/2016
the column head (1).
throat plate can be checked.
pierces exactly in the center of the needle hole (4) on the throat
plate (3).
head (1).
latches into place exactly in the small recess (1) of the control cam.
(3) - Throat plate
(4) - Needle hole
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