Setting the safety snap-on coupling
66
Service manual 567 classic - 01.0 - 10/2015
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) of the disc.
Cover
•
Tilt the upper section (
3.3.1 Access to the machine bottom section
Fig. 56: Setting the torque for the safety snap-on coupling
Restoring the correct torque:
1. Loosen the screw (1).
2. Using the screwdriver, turn the disc on the setting slot (2) such that 8 Nm
is reached for the torque:
•
To increase the force
: Turn in the + direction
•
To reduce the force
: Turn in the - direction
3. Tighten the screw (1).
WARNING
Risk of injury.
Crushing injuries from moving parts.
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 disengage
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 re-
mains at 8 Nm.
(1) - Screw
(2) - Setting slot
(3) - Marking point
②
③
①
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