Setting The Torque - Dürkopp Adler M-TYPE H867 Service Manual

Setting the safety snap-on coupling

18.2 Setting the torque

Correct setting
The machine is set at the factory such that the torque is 8 Nm when the
marking point (6) is exactly above the setting slot (5).
Cover
• Tilt the upper section backwards
Figure 65: Setting the torque for the safety snap-on coupling
Restoring the correct torque:
Setting steps
1. Loosen the coupling screw (7).
2. Using a screwdriver, turn the disc on the setting slot (5) such that 8 Nm
3. Tighten the coupling screw (3).
Service manual H867 Version 00.0 - 08/2013
WARNING
Risk of crushing
Switch off the sewing machine before checking and setting the
safety snap-on coupling.
ATTENTION
Machine damage due to incorrect torque
If you change the torque, it could be that the coupling will not disen-
gage although this would be required. This could cause machine
damage, e. g. in the event of the thread jamming.
Do not change the factory setting and make sure that the torque
remains at 8 Nm.
(  Section 4.4.1 Access to the machine bottom section, page 10)
(1) - Adjusting ring setscrews
(2) - Left adjusting ring
(3) - Safety snap-on coupling
(4) - Right adjusting ring
is reached for the torque:
• To increase the force: Turn in the + direction
• To reduce the force: Turn in the - direction
(5) - Setting slot
(6) - Marking point
(7) - Coupling screw
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