CSA

Prerequisites

Procedure

  1. Remove L Upper Front Cover. Refer to SC Cover Removal.
  2. Drain the coolant.　Refer to Draining Operation before replacing CSA, XFA, or XFD-PS..
    3. Notice Image
    • warning
    • Failure to properly drain unit of coolant will result in damage to unit due to freezing during transit.
  3. Disconnect the IN and OUT quick couplers of CSA from the water manifold.

    Figure 1. Water Manifold Socket Order

    4. Notice Image
    • caution
    • When installing the couplers, insert the coupler to water manifold until click sounds.
  4. Connect the IN and OUT quick couplers of CSA, and tie the hose as illustration.

    Figure 2. Water Manifold

  5. Disconnect the all connectors from front panel of CSA.
  6. Set the Universal Lift Hoist onto SC top.　Refer to Hoist Setup.
  7. Disconnect the two connectors of leak sensor assy.
  8. Remove the cabinet leak sensor assy by loosening 6 screws.

    Figure 3. Remove Leak Sensor Assy

  9. On the front of the ICN, remove the three screws and remove ICN Noise Duct.

    Figure 4. Remove ICN Noise Duct

  10. Remove 4 screws which are tightening CSA front panel to the chassis.
  11. Withdraw CSA from the chassis until it stops at stopper position of slider rail.

    Figure 5. Withdraw CSA

  12. Install the two hoist brackets to the chassis of CSA with 6 removed screws.　Do not tighten 6 screws of hoist brackets.
  13. Install the hoist assembly to the hoist brackets of CSA, and tighten 6 screws of hoist brackets. Check that hoist bracket and hoist assembly are installed surely.

    Figure 6. Attach Hoist Bracket

  14. Loosen 8 screws which are tightening CSA chassis to tray.
  15. LIFT CSA slightly with hoist. Check that tray and CSA separated completely.
  16. Insert the tray into the chassis completely.

    Figure 7. Hoist Operation

    17. Notice Image
    • notice
    • STAY OUTSIDE OF THE RED LINE AREA UNDER CSA WHEN REPLACING THE ASSEMBLY. KEEP AS FAR FROM SYSTEM CABINET AS POSSIBLE.
  17. Use the hoist and slowly lower the CSA Chassis to the floor. Remove the two hoist brackets from CSA chassis.

    Figure 8. Hoist Operation

  18. Install CSA by the reverse order of the removal.
    note:

    Make sure to connect all cables and hoses.

    note:

    Make sure to close draining valves and open Supply and Return valves.

  19. Restore System Cabinet.

Finalization

  1. Restore the Power. Refer to System Cabinet PDU Main Breaker LOTO Procedure.
  2. Refill Coolant. Refer to Refill Coolant after replacement of CSA, XFA, or XFD-PS.
  3. Perform RF Output Power Check. Refer to Body and Head Maximum Power Setup and Calibration.
  4. Perform UPM Functional Check. Refer to UPM- Body and Head Functional Check .
  5. Perform Signal to Noise - Head Scan.