Siemens Sinamics PM250 Hardware Installation Manual page 51

Fan replacement, frame size FSF
Procedure
1. Switch-off the inverter.
2. Disconnect all the cables from the Power Module.
3. Release the four screws and remove the fan cover plate
4. Remove the fan connector
5. Release the screws of the fan mounting bracket
6. Remove the fan mounting bracket
7. Swivel the fan sideways towards the outside and then remove it from the inverter
Install the new fan in the inverse sequence. Additionally secure the fan using four M4 nuts on
the guide bolts
PM250 Power Module
Hardware Installation Manual, 01/2016, A5E36265179B-AA
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Operation, service and maintenance
6.3 Replacing fans
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