Setting The Control Cam For Timing The Knife Movement - Dürkopp Adler 806N-111-10 Service Instructions Manual

Machine head 121

5.9.1 Setting the control cam for timing the knife movement

Fig. 63: Setting the control cam for timing the knife movement
(1) - Magnet
(2) - Tappet
(3) - Roller
Proper setting
When the thread cutter is in neutral position, the distance between the out-
er diameter of the control cam (4) and the ball bearing (6) must range be-
tween 0.1 and 0.15 mm. When the machine is locked in place at position D
( p. 68), the ball bearing (6), lowered by hand, must snap into the
recess (5) of the control cam (4).
To set the control cam for timing the knife movement:
1. Loosen the fastening screws of the magnet (1).
2. Shift the magnet (1).
 The distance between the control cam (4) and the ball bearing (6)
 The roller (3) must be in contact with the tappet (2).
3. Tighten the fastening screws of the magnet (1).
4. Lock the sewing machine in place at position D ( p. 68).
Service Instructions 806N-111-10/806N-121-10 - 00.0 - 09/2023
WARNING
Risk of injury from moving parts!
Crushing.
Only set the control cam with the machine switched
off.
①
②
must range between 0.1 - 0.15 mm.
⑥
③ ④
(4) - Control cam
(5) - Recess
(6) - Ball bearing
⑤
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