Thermal Grease - IBM System x3755 M3 7164 Installation And User Manual

If you have other devices to install or remove, do so now. Otherwise, go to
"Completing the installation" on page 68.

Thermal grease

The thermal grease must be replaced whenever the heat sink has been removed
from the top of the microprocessor and is going to be reused or when debris is
found in the grease.
When you are installing the heat sink on the same microprocessor that is was
removed from, make sure that the following requirements are met:
v The thermal grease on the heat sink and microprocessor is not contaminated.
v Additional thermal grease is not added to the existing thermal grease on the heat
To replace damaged or contaminated thermal grease on the microprocessor and
heat sink, complete the following steps:
1. Place the heat sink on a clean work surface.
2. Remove the alcohol wipe from its package and unfold it completely.
3. Use the alcohol wipe to clean the thermal grease from the bottom of the heat
4. Use a clean area of the alcohol wipe to clean the thermal grease from the
f. Tighten the screws with a screwdriver, alternating among the screws until
they are tight. If possible, each screw should be rotated two full rotations at a
time. Repeat until the screws are tight. Do not overtighten the screws by
using excessive force.
sink and microprocessor.
sink.
Note: Make sure that all of the thermal grease is removed.
microprocessor; then, dispose of the alcohol wipe after all of the thermal grease
is removed.
Chapter 2. Installing optional devices
67