• 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.
Heat sink
Flange
Thermal grease
Figure 209. Thermal grease in heat sink
1. Remove the plastic protective cover from the bottom of the heat sink.
2. Position the heat sink over the microprocessor. The heat sink is keyed to assist with proper
alignment.
3. Align the heat sink to the retainer bracket tabs and place the heat sink on top of the
microprocessor, thermal material side down.
Heat sink
Lock tab
Retainer bracket tabs
Heat sink
release lever
Figure 210. Install the heat sink
4. Press firmly on the heat sink.
5. Rotate the heat sink release lever to the closed position and hook it underneath the lock tab.
Removing and replacing components
283
Summary of Contents for System x3500 M5 Type 5464
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