What to do next:
v To work with another piece of hardware, go to the appropriate section.
v To complete the installation, go to “Completing the parts replacement” on
page 67.
Removing or installing the heat sink
This section provides instructions on how to remove or install the heat sink.
Removing the heat sink
Attention
Do not open your server or attempt any repair before reading and understanding the Safety
Information and the Warranty and Support Information on the ThinkServer Documentation DVD
that comes with your product, and “Guidelines” on page 19. To obtain a copy of the
publications, go to:
http://www.lenovo.com/support
This section provides instructions on how to remove the heat sink.
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 remove the heat sink, 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 21.
3. Remove the microprocessor fan duct. See “Removing the microprocessor fan
duct” on page 51.
4. Loosen the four screws that secure the heat sink and then carefully lift the heat
sink out of the chassis.
60 Installation and User Guide