Cooling Fans; Removing A Cooling Fan - Dell External OEMR R210II Owner's Manual

Cooling Fans

Your system contains three single-motor fans and provides cooling for the
processor, expansion card, and memory modules.
NOTE:
Hot-swap removal or installation of the fans is not supported.
NOTE:
In the event of a problem with a particular fan, the fan number is referenced
by the system's management software, allowing you to easily identify and replace
the proper fan by noting the fan numbers on the fan assembly.

Removing a Cooling Fan

WARNING:
has been powered down. Allow time for the fan to stop spinning before removing it
from the system.
WARNING:
CAUTION:
Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
NOTE:
The procedure for removing each individual fan module is the same.
1 Turn off the system, including any attached peripherals, and disconnect
the system from its electrical outlet.
2 Open the system. See "Opening the System" on page 50.
3 If applicable, remove the cooling shroud. See "Removing the Cooling
Shroud" on page 67.
4 Disconnect the fan's power cable from the system board. See Figure 3-13.
5 Grasp the fan and lift it away from the fan assembly. See Figure 3-13.
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Installing System Components
The cooling fan can continue to spin for some time after the system
Do not attempt to operate the system without the cooling fan.