Siemens SINAMICS S120 Manual page 364

Maintenance and Servicing
8.4 Replacing components
Replacing the fan (right-hand power block)
Figure 8-20
362
Replacing the fan, Smart Line Module, Active Line Module, and Motor Module, frame
size HX - right power block
Manual, (GH3), 01/2013, 6SL3097-4AE00-0BP3
Chassis power units