Maintenance - Siemens SINAMICS S150 Operating Instructions Manual

11.3

Maintenance

Servicing involves activities and procedures for maintaining and restoring the operating
condition of the device.
Required tools
The following tools are required for replacing components:
● Spanner or socket spanner (w/f 10)
● Spanner or socket spanner (w/f 13)
● Spanner or socket spanner (w/f 16/17)
● Spanner or socket spanner (w/f 18/19)
● Hexagon-socket spanner (size 8)
● Torque wrench up to 50 Nm
● Screwdriver size 1 / 2
● Screwdriver Torx T20
● Screwdriver Torx T30
Tightening torques for current-carrying parts
When securing connections for current-carrying parts (DC link, motor connections, busbars),
you must observe the following tightening torques.
Table 11-1
Drive converter cabinet units
Operating Instructions, 07/07, A5E00288214A
Tightening torques for connecting current-carrying parts
Screw
M6
M8
M10
M12
Maintenance and servicing
11.3 Maintenance
Torque
6 Nm
13 Nm
25 Nm
50 Nm
427