Installing A Cooling Fan - Dell External OEMR R420 Owner's Manual

Figure 26. Removing and Installing a Cooling Fan
1. cooling fan
2. power cable connector
3. cooling-fan bracket

Installing A Cooling Fan

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.
1. Turn off the system, including any attached peripherals, and disconnect the system from its electrical outlet.
2. Open the system.
3. Remove the cooling shroud or power distribution board shroud as applicable.
4. Facing the front of the system, lower the fan into the cooling-fan bracket.
NOTE: When aligned correctly, the fan cable is on the left of the fan.
5. Connect the fan's power cable to the power cable connector on the system board or power distribution board as
applicable.
6. Replace the cooling shroud or power distribution board shroud as applicable.
7. Close the system.
8. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
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