Lenovo System x3500 M5 Type 5464 Installation And Service Manual page 107

Attention:
• Do not set down the heat sink after you remove the plastic cover.
• Do not touch the thermal grease on the bottom of the heat sink after you remove the plastic
cover. Touching the thermal grease will contaminate it. See "Thermal grease" on page 92
for more information.
Thermal grease
Heat sink
Figure 80. Thermal grease
a. Remove the plastic protective cover from the bottom of the heat sink.
b. Grasp the heat sink firmly to avoid possible damage to the heat sink.
c. Position the heat sink over the microprocessor. The heat sink is keyed to assist with proper
alignment.
Heat sink
release lever
Retainer bracket tabs
Figure 81. Heat sink installation
d. Align and insert the front tab of the heat sink under the retainer bracket tabs.
Flange
Heat sink
Lock tab
Chapter 2
.
Installing optional devices
91