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Removing a 750-watt -48 volt to -60 volt dc power supply

This topic provides instructions about how to remove a 750-watt -48 volt to -60 volt dc power supply.

When you remove a 750-watt -48 V to -60 V dc power supply, observe the following precautions.

Statement 8

CAUTION
Never remove the cover on a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.



To remove a 750-watt -48 V to -60 V dc power supply, complete the following steps:

  1. Before you begin, read Safety and Installation guidelines .
  2. Turn off the server (see Turning off the server) and remove the peripheral devices cables, excluding the power supply cable. Disconnect all external cables from the server.
    Attention
    When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details about handling these devices, see Handling static-sensitive devices.
  3. Turn off the circuit breaker(s) for the power supplies.
  4. If the server is in a rack, at the back of the server, pull back the cable management arm to gain access to the rear of the server and the power supply.
  5. Press and hold the orange release tab to the left. Grasp the power supply handle and pull the power supply out of the server.

    Illustration of removing the 750-watt -48 V dc power supply
  6. Detach the dc power cable from the power supply.
  7. If you are not installing a new power supply, reinstall the power supply filler in the bay.
  8. Facing the rear of the server, pull the spacer release tab on the power supply spacer to the right, use your finger to grasp the hole on the side of the spacer, and slide the power supply spacer out of the server.
    Note
    You only need to remove the spacer if you are removing all of the 750-watt -48 V to -60 V dc power supplies or 900-watt power supplies from the server and installing 1400-watt power supplies.
  9. Set the power supply spacer aside.
  10. If you are instructed to return the power supply, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.