Lenovo ThinkServer TD230 Hardware Maintenance Manual page 103

To remove the heat sink and fan 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" on page 43.
3. Locate the heat sink and fan assembly. See "Locating server components" on page 32.
Note: If a second microprocessor is installed in the server, there will also be a heat sink and fan
assembly installed above the second microprocessor.
4. Lay the server on its side for easier operation.
5. Depending on which heat sink and fan assembly you are removing, do one of the following:
• If you are removing the heat sink and fan assembly for microprocessor 1, disconnect the heat sink
and fan assembly cable from the system fan 2 connector on the system board. See "Locating
parts on the system board" on page 33. Then, remove the four screws
sink and fan assembly.
Note: Carefully remove the four screws from the system board to avoid any possible damage. The
four screws are integrated parts of the heat sink and fan assembly and they cannot be removed
from the heat sink and fan assembly.
Figure 63. Screws that secure the heat sink and fan assembly for microprocessor 1
1 that secure the heat
.
Chapter 5 Replacing FRUs
97