• Topic ID: id_12373800
  • Version: 1.11
  • Date: Jul 5, 2019 6:08:28 PM

HP Z400 Computer Replacement

Prerequisites

Table 1 Personnel requirements
Required persons Preliminary requirements Procedure Finalization
2 Not Applicable 120 minutes 30 minutes
Table 2 Tools and test equipment
Item Quantity Effectivity Part number Manufacturer
Screwdriver set 1 - - -
Table 3 Replacement parts
Item Quantity Effectivity Part number Manufacturer
See FRU manual. As required - - -
Table 4 Safety
  • warning
  • Electrocution Hazard!
  • Hazardous voltages exist in the goc when energized.
  • before beginning any work, shut down software and Perform loto on the power to the GOC before Continuing. The GOC supports an optional UPS, so Confirm the site’s configuration. See the MR service manual, PN 5452734.
Table 5 Required conditions
Condition Reference Effectivity

Host computer and GOCAA must be powered off.

 - -

Procedure

  1. Ask the customer to archive all images to an external storage device such as PACS or DVD.
  2. Perform the Save Info procedure.
  3. Shut down all system applications.
  4. Perform LOTO on the GOC/operator workspace. See the MR Service Safety Manual, PN 5452735.
    note:

    Disconnect the power cord to the GOC.

  5. Remove the two screws that secure the left side panel.

    Figure 1. Screws on Left Side Panel

    note:

    The side panel has a short ground lead connecting it to the main chassis. When removing the side panel, do not strain this ground lead.

    Figure 2. Left Side Panel Ground Lead

  6. Remove the left side panel by lifting it up.
  7. Remove all the cables connected to the computer, ensure they are properly labeled, and note their locations for reattachment.

    Figure 3. HP Z400 Cable Configuration

  8. Loosen the strap and remove the hook.

    Figure 4. Removing Strap

  9. Refer to the illustration below, and remove the Z400 computer as follows:
    1. Remove the two screws securing the back bracket.
    2. Loosen the two screws on the back slide plate, and slide the plate backward.
    3. Loosen the two screws on the side slide plate, and slide the plate in the direction of the arrow as shown below.

      Figure 5. Removing HP Z400 Computer

      4. Notice Image
      • notice
      • The computer weighs 50 pounds, requiring two people to move it.
    4. Carefully remove the computer using the back and bottom brackets from the GOC.
  10. Perform a disk wipe on all applicable hard drives in the old PC. See the latest revision of the Disk Management Tool Service Manual, PN 5500610-1EN available from the online documentation library.
  11. Remove the back bracket from the defective computer, and install it on the new computer.

    Figure 6. Installing Back Bracket

    12. Notice Image
    • notice
    • The computer weighs 50 pounds, requiring two people to move it.
  12. Position the computer as shown below.

    Figure 7. Computer Placement

  13. To secure the computer:
    1. Attach the back bracket to the GOC frame with the two screws.
    2. Slide the back slide plate toward the computer until it aligns, and secure with the two screws.
    3. Slide the side slide plate toward the computer until it aligns, and secure with the two screws.

    Figure 8. Securing Computer

  14. Tighten the strap according as follows:
    1. Hook the bracket to the slot of the bottom plate.
    2. Pull and tighten the strap to secure the computer.

    Figure 9. Tighten Strap

  15. Restore all cables to the computer.
  16. Remove the dust filter from the old computer and attach it to the new computer. If the old filter is not reusable, install a new one.

    Figure 10. Attaching Dust Filter

  17. Restore the GOC left side panel, and reconnect the ground lead to the left side panel.

Finalization

  1. Remove LOTO from the PDU and the GOC. See the MR Service Safety Manual, PN 5452735.
  2. Restore power to the GOC.
    note:

    If necessary, reconnect the optional UPS and ensure power is restored.

  3. Load software and applications onto the operating system. See Loading Host System Software (Quick Start).
    note:

    Load From Cold (LFC) must be performed to properly transfer customer options.

  4. Update the eLicense with the new Host ID. See Software Option Installation with eLicense Generated Keys.
  5. Notice Image
    • notice
    • The computer weighs 50 pounds, requiring two people to move it.
    Repackage the defective PC for return.
  6. Perform a scan to ensure the system and applications are working properly.