Replacing the 2U expansion enclosure support rails

You can replace faulty support rails of a 2U expansion enclosure with new ones that are received from CRU / FRU stock.

Before you begin

Two persons are required at step 7

Procedure

To replace the support rails, complete the following steps.

  1. Identify the enclosure that is mounted on the rails that are being replaced.

    Follow the steps in Procedure: Identifying which enclosure or canister to service to ensure that you identify the correct enclosure.

  2. Shut down the system by following the steps in Procedure: Powering off your system.
  3. Remove power from the enclosure by unplugging both power cables from the electrical outlets.
  4. Ensuring you identify which port each cable connects to, remove all cables from the back of the enclosure that has faulty support rails.
  5. Remove the end caps from the front flanges of the enclosure by following the removal instructions in topic Removing and replacing enclosure end caps.
  6. Unscrew the M5 screw from the left flange.

    Repeat with the M5 screw in the right flange.

  7. Slide the enclosure from the rack.
    CAUTION:
    The weight of this part or unit is between 18 and 32 kg (39.7 and 70.5 lb). It takes two persons to safely lift this part or unit. (C009)
  8. Locate the left support rail.

    Record the shelf number of the support rail so that the replacement rails can be installed into the same position.

  9. At the rear of the rack, remove the securing M5 screw from the bottom hole of the rear bracket of the rail, then open the rear hinge bracket (Figure 1).
    Figure 1. Opening rear hinge bracket of mounting rail
    Opening rear hinge bracket of mounting rail
  10. At the front of the rack, hold onto the rail and open the front hinge bracket.
  11. Compress the rail against its spring to shorten it, then remove it from inside the rack (Figure 2).
    Figure 2. Compressing rail for removal from rack
    Compressing rail for removal from rack
  12. Repeat steps 9 to 11 on the right support rail.
  13. If components were removed from the enclosure at step 7, return each canister, drive assembly, and power supply unit to its labeled slot.
  14. Reconnect the cables, ensuring that they are connected to their original ports.
  15. Reconnect the power supply cables to their original power supply and electrical outlet.

    The system starts.

  16. After the system is online, use the management GUI to verify that the system is correct.