Siemens SINUMERIK ONE Equipment Manual page 17

4. Screw the threaded ring onto the thread.
Make sure that the threaded ring grooves (see figure) point toward the contact block.
The threaded ring can be mounted using an assembly tool, e.g. a socket wrench with a key
width of 26 mm (double-hexagon). Observe the tightening torque of 1.6 +/- 0.2 Nm.
5. Insert the pushbutton unit into the coupling.
When plugging together, make sure that you align the two black lugs of the coupling with the
two grooves of the contact block (see figure).
When connecting successfully, you will hear a "click".
Emergency stop button
Equipment Manual, 10/2020, A5E49939755B AA
Assembly of the emergency stop button
17