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Remove the processor heat sink

Follow instructions in this section to remove the processor heat sink. This procedure must be executed by a trained technician.

S002
disconnect all power
CAUTION
The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.
S012
hot surface
CAUTION
Hot surface nearby.

About this task

Attention

  • Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

  • Power off the server and peripheral devices and disconnect the power cords and all external cables. See Power off the server.

  • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.

  • Do not allow the thermal grease on the processor or heat sink to come in contact with anything. Contact with any surface can compromise the thermal grease, rendering it ineffective. Thermal grease can damage components, such as the electrical connectors in the processor socket.

  • If the node is installed in an enclosure or mounted, remove the node from the enclosure or mount. See Configuration guide.

Procedure

  1. Make preparation for this task.
    1. If necessary, remove all the WLAN antennas. See Remove the WLAN antennas.
    2. Remove the top cover. See Remove the top cover.
    3. Remove the PMB air baffle. See Remove the PMB air baffle.
    4. Lift the riser assembly from the node. See Remove the riser assembly from the node.
    5. Remove the processor air baffle. See Remove the processor air baffle and air flow sensor board.
    6. Remove all the memory modules. See Remove a memory module.
  2. Remove the processor heat sink.
    1. Fully loosen the four captive screws on the heat sink in the removal sequence shown on the heat-sink label.
    2. Lift the heat sink evenly to remove it from the server.
    Figure 1. Removing the processor heat sink
    Removing the heat sink

After this task is completed

  • Install a replacement unit. See Install the processor heat sink.

  • If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

Demo Video

Watch the procedure on YouTube