Lenovo ThinkServer TS140, Hardware Maintenance Manual

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What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to “Completing the parts replacement” on page 90.
Replacing the heat sink and fan assembly
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 39.
This topic provides instructions on how to replace the heat sink and fan assembly.
CAUTION:
Turn off the server and wait three to five minutes to let the server cool before removing the server
cover.
To replace 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 41.
3. Lay the server on its side for easier access to the system board.
4. Locate the heat sink and fan assembly. See “Locating parts on the system board” on page 17.
5. Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system
board. See “Locating parts on the system board” on page 17.
Chapter 6
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Installing, removing, or replacing hardware
77