Lenovo RD120 - ThinkServer - 6447 User Manual page 73

Do not touch the thermal grease 1 on the bottom of the heat
Attention:
sink 2 or set down the heat sink after you remove the plastic cover. Touching
the thermal grease will contaminate it.
a. Make sure that the heat-sink release lever is in the open position.
b. Remove the plastic protective cover from the bottom of the heat sink.
c. Align the heat sink above the microprocessor with the thermal-grease side
down.
1
Retainer bracket
2
Microprocessor
3
Heat-sink-release lever
d. Slide the rear flange of the heat sink into the opening in the retainer
bracket.
e. Press down firmly on the front of the heat sink until it is seated securely.
f. Rotate the heat-sink release lever to the closed position and hook it
underneath the lock tab.
11. Install the microprocessor air baffle (see "Installing the microprocessor air
baffle" on page 36).
If you have other optional devices to install or remove, do so now. Otherwise, go to
"Completing the installation" on page 74.
Chapter 2. Installing optional devices
59