HP ProLiant DL145 Maintenance And Service Manual page 41

Figure 2-36: Installing a processor
A heat sink must be installed for the processor to function properly. The heat sink model for
your ProLiant server already has a thermal interface material pre-applied on the bottom
protected by a plastic cover. Make sure that this material has no scratches or gaps. If it does
have any scratches or gaps, contact your HP Customer Support provider for replacement.
6. Remove and discard the plastic cover protecting the thermal interface material.
Be careful not to touch or scratch the thermal interface material.
7. Install the heat sink:
a. Align then insert the heat sink on top of the processor.
b. Tighten the four spring-loaded screws a few threads in, observing a diagonally
HP ProLiant DL145 Generation 2 Server Maintenance and Service Guide
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CAUTION: To prevent overheating or a possible system crash, use only a heat sink model
specified for the HP ProLiant DL145 Generation 2 server.
CAUTION: Do not over tighten the heat sink's spring-loaded screws to prevent them from
breaking off. A maximum torque of 6 in-lb is set for the system.
opposite pattern, then tighten them completely to secure the heat sink to the processor
base.
Removal and Replacement Procedures
2-31