Remove a power adapter (Rack mount)

Follow instructions in this section to remove a power adapter from the enclosure.

About this task

S002

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.

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.

• If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack. See Remove a node from the rack.

Procedure

1. Make preparation for this task.
   1. Remove the middle cover.

      Remove the middle top cover of 1U2N enclosure

      • Loosen the six captive screws on the middle top cover.
      • Lift up the middle top cover from the enclosure, and place it on a flat clean surface.

      Figure 1. Removing the middle top cover of 1U2N enclosure
      
      

      Remove the middle top cover of 1U3N enclosure

      • Loosen the eight captive screws on the middle top cover.
      • Lift up the middle top cover from the enclosure, and place it on a flat clean surface.

      Figure 2. Removing the middle top cover of 1U3N enclosure
      
      
   2. Remove the rear top cover.
      1. Loosen the six captive screws on the rear top cover.
      2. Lift up the rear top cover from the enclosure, and place it on a flat clean surface.

      
      
      
   3. Remove the air baffle. Pinch the air baffle by the blue touch points, and carefully lift the air baffle out of the enclosure.
      Figure 3. Removing the air baffle from 1U2N enclosure
      
      

      Figure 4. Removing the air baffle from 1U3N enclosure
      
      
2. Remove the crossbar.
   1. Loosen the two captive screws that secure the crossbar.
   2. Hold the crossbar and remove it from the enclosure.
      Figure 5. Removing the crossbar
      
      
3. Remove the power cable.
   1. Use a flat-blade screwdriver to loosen the screw that lock the power cable.
   2. Disengage the power cable from the node.
      Figure 6. Removing the power cable
      
      
4. Remove the power adapter.
   1. Loosen the two captive screws on the both sides of the power adapter bracket with a screw driver.
   2. Lift the power adapter bracket out of the enclosure.
   3. Carefully lift the power adapter and remove it from the enclosure.
      Figure 7. Removing the power adapter