Siemens SINAMICS S120 Equipment Manual page 85

Table 2-26 Replacing the fan in an Active Interface Module, 55 kW
Open the fan cover. Unscrew the combination screws
M5 / 3 Nm
Unscrew the screws M3 / 1.8 Nm
Booksize Power Units
Equipment Manual, (GH2), 07/2007, 6SL3097-2AC00-0BP5
2.9 Active Interface Modules (internal cooling)
Open the fan cover and remove the connector
Remove the fan
Line Connection Booksize
85