Lenovo ThinkServer RD230 Hardware Maintenance Manual page 76

CAUTION:
The heat sink and microprocessor might be very hot. Turn off the server and wait three
to five minutes to let the server cool before removing the server cover.
To install the heat sink assembly, do the following:
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.
3. Position the heat sink assembly in place by aligning the retaining screws on the heat sink assembly with
the corresponding holes in the system board. Then, tighten the eight screws following the numerical
sequence as shown below to secure the heat sink assembly on the system board.
Figure 39. Installing the heat sink assembly
1 8
- Screws
9
Air flow
10
Indicates the front of the chassis
4. To complete the installation, go to "Completing the parts replacement" on page 84.
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ThinkServer RD230 Hardware Maintenance Manual