Sun Oracle Sun Fire X4270 M2 Service Manual page 119

Installing the CPU.
FIGURE 4-14
b. Lower the pressure frame [2].
c. Engage the release lever by rotating it downward and slipping it under the
d. Use the syringe (supplied with the new or replacement CPU) to apply
e. Inspect the heatsink for dust and lint. Clean if necessary.
f. Orient the heatsink so that the two screws line up with the mounting studs
g. Carefully position the heatsink on the CPU, aligning it with the mounting
Ensure that the pressure frame sits flat around the periphery of the CPU.
catch [2].
approximately 0.1 ml of thermal grease to the center of the top of the CPU.
Do not distribute the grease.
and so that the heatsink is aligned with the other heatsink, that is, the front
of the heatsink should align with the front of the other heatsink [3].
posts to reduce movement after it makes initial contact with the layer of
thermal grease [3].
Chapter 4 Servicing Motherboard Components 4-33