Lenovo ThinkServer RD240 Installation And User Manual page 76

CAUTION:
The heat sink 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, do the following:
Note: Make sure that you have already connected the front fans to the system
1. Remove all media from the drives and turn off all attached devices and the
2. Remove the server cover. See "Removing the server cover" on page 21.
3. Notice the orientation of the heat sink air flow and the V-shaped cooling pipe.
Figure 45. Installing the heat sink
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Installation and User Guide
board before you install the heat sink.
server. Then, disconnect all power cords from electrical outlets and disconnect
all cables that are connected to the server.
The V-shaped cooling pipe should always face the power supply assembly.
Then, align the retaining screws on the heat sink with the corresponding holes
in the system board. Install the four screws following the numerical sequence
as shown below ( 1 to 4 ) to secure the heat sink on the system board.
1 - 4 Screws
5 Air flow
6 The front of the chassis