Siemens SION 3AE Series Operating Instructions Manual page 18

Installation accessories
Fig. 19 Cleaning and fitting contact arms (120)
Fig. 20 Fitting contact arms (120)
16
1. Firmly screw threaded rods onto contact faces.
Tightening torque for
M12: 40 ±4 Nm
M16: 100 ±10 Nm
Tightening torques apply to greased threads
only.
2. Roughen the faces of the copper contact arms,
– clean them and
– grease them with with Atlantic Vaseline
(contact grease SN10611).
Clean faces with silver-plated contact faces
– and grease them with with Atlantic Vase-
line (contact grease SN10611).
Fit the contact arms.
9229 0002 401 0A
2016-03-03