Servicing - Siemens SINAMICS S120 Equipment Manual

9.3

Servicing

Servicing involves activities and procedures for maintaining and restoring the specified
condition of the devices.
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 from 5 Nm 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 9- 1
Chassis Liquid Cooled Power Units
Manual, (GH7), 01/2011, 6SL3097-4AM00-0BP1
Tightening torques for connecting current-carrying parts
Bolt
M6
M8
M10
M12
Maintenance and servicing
9.3 Servicing
Torque
6 Nm
13 Nm
25 Nm
50 Nm
251