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Remove the heat sink and fan module

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

About this task

To avoid potential danger, read and follow the following safety statements.
  • S002
    disconnect all power
    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.
  • S009
    To avoid personal injury, disconnect the fan cables before removing the fan from the device.
  • S014
    shock hazard
    Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is authorized to remove the covers where the label is attached.
  • S017
    moving parts
    Hazardous moving fan blades nearby. Keep fingers and other body parts away.
  • S033
    240VA shock hazard

    Hazardous energy present. Voltages with hazardous energy might cause heating when shorted with metal, which might result in spattered metal, burns, or both.

  • Read the Installation guidelines to ensure that you work safely.

  • Turn off the server and peripheral devices, and disconnect the power cords and all external cables (see Power off the server).

  • If the server is in a rack, remove it from the rack.

  • Remove any locking device that secures the server cover, such as a Kensington lock or a pad lock.


  1. Remove the server cover (see Remove the server cover).
    The heat sinks and processor could be very hot. To avoid from burning yourself, wait for a few minutes before removing the server cover after turning off the server.
  2. Disconnect the heat sink and fan module cable from the system board.
  3. Remove the heat sink and fan module.
    1. Gently remove the four screws to avoid any possible damage to the system board.

    2. Always keep the four screws attached to the heat sink and fan module.

    3. Do not touch the thermal grease while handling the heat sink and fan module.

    Figure 1. Removing the heat sink and fan module
    Removing the heat sink and fan module
    1. & Loosen screw 1 and 2: First, partially loosen screw 1; then, fully loosen screw 2. Finally, fully loosen screw 1.
    2. & Loosen screw 3 and 4: First, partially loosen screw 3; then, fully loosen screw 4. Finally, fully loosen screw 3.
    3. Lift evenly and remove the heat sink and fan module from the server.

After this task is completed

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