8 Servicing the Air Baffle (CRU)

This section describes how to service the air baffle. The air baffle is a customer-replaceable unit (CRU) that requires you to power off the server. For more information about CRUs, see Illustrated Parts Breakdown and Customer-Replaceable Units.

Caution:

To prevent the system from overheating, ensure that the air baffle is correctly installed before powering on the system.

Caution:

You must disconnect all power cables from the system before performing these procedures.

This section covers the following procedures:

• Remove the Air Baffle

• Install the Air Baffle

Servicing the DIMMs (CRU)

Servicing Processors (FRU)

Remove the Air Baffle

1. Prepare the server for service.
   1. Power off the server, and disconnect the power cords from the server power supplies.

      See Powering Down the Server.

   2. Extend the server into the maintenance position.

      See Extend the Server to the Maintenance Position.

   3. Attach an antistatic wrist strap to your wrist and then to a metal area on the chassis.

      See Take Antistatic Measures.

   4. Remove the server top cover.

      See Remove the Server Top Cover.

2. Release the latch for the host bus adapter (HBA) super capacitor tray and rotate the tray [1] in to the upright position [2].
   
   
   
3. Remove the air baffle by lifting the baffle up and out of the server.
   
   
   
4. Set aside the air baffle.
5. Consider your next step:

   • If you removed the air baffle as part of another procedure, return to that procedure.

   • Otherwise, continue to Install the Air Baffle.

Install the Air Baffle

Install the Air Baffle

1. Remove the replacement air baffle from its packaging.
2. Install the air baffle by placing it into the server and lowering it to its inserted position.
   
   
   
3. Rotate the HBA super capacitor tray down and in, to its closed position.

   You hear an audible click when the tray is properly secured to the air baffle.

   
   
   
4. Consider your next step:

   • If you removed the air baffle as part of another procedure, return to that procedure.

   • Otherwise, continue to with this procedure.

5. Return the server to operation:
   1. Install the server top cover.

      See Install the Server Top Cover.

   2. Return the server to the normal rack position.

      See Return the Server to the Normal Rack Position.

   3. Reconnect the power cords and data cables to the server.

      See Reconnect Power and Data Cables.

   4. Power on the server.

      See Power On the Server.

   5. Verify that the power supply AC OK LED is lit.

Remove the Air Baffle