HP ProLiant DL170e HP ProLiant DL170e G6 Server Maintenance and Service Guide - Page 70

To remove the heat sink, CAUTION, IMPORTANT, To remove the processor

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To remove the heat sink: 1. Loosen the two spring-loaded screws counter-clockwise to release the heat sink connection from the system board. 2. Lift the heat sink away from the system board. 3. Remove the heat sink frame from the processor socket. CAUTION: Place the heat sink down in an upright position with the thermal patch facing upward. Do not let the thermal patch touch the work surface. CAUTION: To prevent the heat sink from tilting to one side during installation and removal procedures, only tighten the first screw three quarters. Tighten the second screw fully, and then go back and tighten the first screw fully. Do not over tighten the heat sink's spring-loaded screws to prevent them from breaking off. A maximum torque of 4 in-Ib is set for the system. Figure 29 Removing the Heat Sink Assembly IMPORTANT: If the heat sink has been removed for any reason on a previously installed processor, it is critical that you apply more thermal interface material to the integrated heat spreader on the processor to ensure proper thermal bonding between the processor and the heat sink. To remove the processor: 1. Unlock the load lever and lift it up. 2. Open the retention plate. 3. Grasp the processor by its edges and lift it out of its socket. Removal and replacement procedures 70

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Removal and replacement procedures
70
To remove the heat sink:
1.
Loosen the two spring-loaded screws counter-clockwise to release the heat sink connection from
the system board.
2.
Lift the heat sink away from the system board.
3.
Remove the heat sink frame from the processor socket.
CAUTION:
Place the heat sink down in an upright position with the thermal patch facing upward.
Do not let the thermal patch touch the work surface.
CAUTION:
To prevent the heat sink from tilting to one side during installation and removal
procedures, only tighten the first screw three quarters. Tighten the second screw fully, and then go
back and tighten the first screw fully. Do not over tighten the heat sink’s spring-loaded screws to
prevent them from breaking off. A maximum torque of 4 in-Ib is set for the system.
Figure 29
Removing the Heat Sink Assembly
IMPORTANT:
If the heat sink has been removed for any reason on a previously installed processor, it
is critical that you apply more thermal interface material to the integrated heat spreader on the
processor to ensure proper thermal bonding between the processor and the heat sink.
To remove the processor:
1.
Unlock the load lever and lift it up.
2.
Open the retention plate.
3.
Grasp the processor by its edges and lift it out of its socket.