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1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. Remove the server cover. See “Removing the server cover” on page 19.
3. Remove the microprocessor fan duct. See Removing the microprocessor fan duct.
4. Loosen the four screws that secure the heat sink and then carefully lift the heat sink out of the chassis.
Figure48. Removing the heat sink
1 - 4 Screws
5 Air ow
6 The front of the chassis
5. If you are instructed to return the heat sink, follow all packaging instructions and use any packaging
materials that are supplied to you for shipping.
6. To install the heat sink, see Installing the heat sink.
Installing the heat sink
Attention: Do not open your server or attempt any repair before reading and understanding the “Safety information”
on page iii
and “Guidelines” on page 17.
This section provides instructions on how to install the heat sink.
Chapter 5. Installing, removing, or replacing hardware 59