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4-9
System Fans
Five heavy-duty system fans (three front fans and two rear fans) provide cooling for
the chassis. These fans circulate air through the chassis as a means of lowering
the chassis internal temperature.
Release Tab
Figure 4-14. Front System Fan
Replacing a System Fan
1. If necessary, open the chassis while the power is running to determine which
fan has failed. (Never run the server for an extended period of time with the
chassis open.)
2. Power down the system as described in section 4-2, lay the chassis on a flat
surface, and open the chassis cover.
3. Remove the failed fan's power cord from the serverboard.
4. Press the fan release tab to lift the failed fan from the chassis and pull it
completely from the chassis.
5. Place the new fan into the vacant space in the housing while making sure the
arrows on the top of the fan (indicating air direction) point in the same direction
as the arrows on the other fans.
6. Power up the system and check that the fan is working properly before
replacing the chassis cover.
Chapter 4: Chassis Setup and Maintenance
Release Tab
Figure 4-15. Rear System Fan
4-13
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