IBM System x3650 M4 Type 7915 Installation And User Manual page 123

Microprocessor
11. Install the heat sink:
Attention:
v Do not set down the heat sink after you remove the plastic cover.
v 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 106 for more information. If the thermal
material on the microprocessor or heat sink becomes contaminated, contact
your service technician.
a. Remove the plastic protective cover from the bottom of the heat sink.
b. Position the heat sink over the microprocessor. The heat sink is keyed to
assist with proper alignment.
c. Align and place the heat sink on top of the microprocessor in the retention
bracket, thermal material side down.
d. Press firmly on the heat sink.
e. Rotate the heat sink release lever to the closed position and hook it
underneath the lock tab.
Microprocessor
release lever
Microprocessor
release lever
Chapter 2. Installing optional devices
105