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48 Installing System Components
Cooling Fan Modules
This system contains four cooling fan modules, each comprised of two dual-rotor fans, for a total of eight fans
that are connected directly to the system board.
Removing a Cooling Fan Module
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 and attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2
Open the system. See "Opening and Closing the System" on page 46.
NOTE: You can remove the fan modules without removing the memory cooling shroud; however, Dell
recommends that you remove this shroud before removing a fan module. Do not remove the system board cooling
shroud.
See "Removing the Memory Cooling Shroud" on page 52.
3
Raise the fan handle, disconnect the module wire harness from the system board, and pull the fan straight
up to clear the chassis. See Figure 3-4.
4
Unplug the fan module connector.