IBM xSeries 330 - Manual (Page 67)

Chapter 5. Installing options 59
Fan assembly replacement
The server comes with six replaceable fans.
Attention: Replace a fan that has failed within 48 hours to help ensure proper
cooling.
The following illustration shows the replacement of a fan.
Note: The illustrations in this document might differ slightly from your hardware.
Complete the following steps to replace the fan assembly:
Clip
Heatsink
Microprocessor
Terminator card
Heatsink release
lever Slot
Top view of
heatsink
Retainer clip
Air flow