Installing System Components | 251
3 Align the cooling-fan cage with the locating pins on the chassis and
place it into the chassis until it’s firmly seated in place. See Figure 3-68.
4 Connect the fan’s power cable to the connector on the power
distribution board 1. See Figure 3-68.
You must route these cables properly through the ties to prevent them
from being pinched or crimped.
5 Close the system. See “Closing the System” on page 247.
6 Reconnect the system to its electrical outlet and turn on the system,
including any attached peripherals.
Power Distribution Boards
Removing a Power Distribution Board
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: This system has two power distribution boards. The procedure to remove
and install both the power distribution boards is similar. To access the power
distribution board 2 at the bottom, remove the power distribution board at the top.
1 It is recommended to 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 246.
3 Remove the power supply. See “Removing and Installing a Power
Supply” on page 160.
4 Disconnect all the cables from the power distribution board 1. See
Figure 3-75.
Note the routing of the cable on the chassis as you remove them from
the system. You must route these cables properly when you replace
them to prevent the cables from being pinched or crimped.
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