Siemens SINAMICS S120 Manual page 142

Service and support for booksize C/D-type
7.2 Replacing the fan
Replacing the fan for 100 mm modules (45 A / 60 A)
The fan assembly is integrated in the motor connection block.
Use a slotted screwdriver to release the
terminal block cover on the left and
right.
Remove the two fixing screws of the
fan module. Screwdriver: Torx 20
140
Open the cover.
All connections are removed.
Remove the conductors of the motor
connecting cable (von left: protective
conductor, U2, V2, W2): SW 10
Pull the fan module out forwards out of
the Motor Module.
Power Units in Booksize C/D-Type Format
Manual, 12/2018, 6SL3097-5AC20-0BP0