IBM System x3650 Installation Manual page 39

8. Install a heat sink on the microprocessor.
Attention: Do not touch the thermal grease on the bottom of the heat sink or
set down the heat sink after you remove the plastic cover. Touching the thermal
grease will contaminate it. For details, see the information about thermal grease
in the User's Guide on the IBM System x Documentation CD.
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.
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.
9. Install the microprocessor air baffle.
If you have other optional devices to install or remove, do so now. Otherwise, go to
"Completing the installation" on page 32.
Thermal grease
Heat sink
Microprocessor
Retainer bracket
Chapter 2. Installing optional devices
25