Sun Enterprise 6500/5500/4500 Systems Reference Manual

Replacing the Centerplane

  1. Place the centerplane in the front chassis.

    Be sure the centerplane has the proper orientation when placed in the front chassis.

  2. Replace the screws that hold the centerplane to the front chassis.

    • For the Enterprise 6500 system, there are a total of 27 screws, 20 screws around the side and 7 in the interior section.

    • For the Enterprise 5500 system, there are a total of 20 screws.

  3. Place the rear chassis on the front chassis.

  4. Replace the screws around the center of the main chassis.

    • For the Enterprise 6500 system, there are a total of 32 screws, 8 per side.

    • For the Enterprise 5500 system, there are a total of 26 screws.


    Caution - Caution -

    Use care when lifting the Enterprise system chassis. It weighs approximately 100 pounds.


  5. Slide the main chassis into the system cabinet.

    Use the bottom rails as a guide.

  6. Replace the four screws on each side of the system cabinet that attach the bottom rails to the main chassis.

  7. Replace the top rails.

    1. Tighten the four screws on each side attaching the top rail to the main chassis.

    2. Replace the two screws on each side attaching the top rail to the system cabinet.

  8. Replace the SCSI adapter assembly, the key switch adapter assembly, and the 200/240V fan tray assembly.

    See "SCSI Tape Adapter PCS Assembly", "Key Switch Adapter Assembly", and "Fan Tray Assembly, 200/240V" for information on replacing these assemblies.

  9. Replace all the boards and power supplies.

    See Chapters 3-6 for information on replacing the boards and Chapter 7, Power Supplies, for information on replacing power supplies.

  10. Connect any remaining cables to the Enterprise system main cabinet.

  11. Replace any assemblies above and below the Enterprise system.

    Refer to the respective service manuals for further information.

  12. Replace the front bezel, front door and rear screen panel.

    See Chapter 12, Preparing for Service, for information on replacing these assemblies.

  13. Power on the Enterprise system.

    See the power on instructions in Chapter 11, Powering Off and On .