Sun Microsystems 5500, Reference Manual

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E-30 Sun Enterprise 6500/5500/4500 Systems Reference Manual • April 1998
E.3.3.2 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 20 screws that hold the centerplane to the front chassis.
3. Place the rear chassis on the front chassis.
4. Replace the 26 screws around the center of the main chassis.
5. Replace the feet on the bottom of the enclosure.
Screw in one foot in each corner.
6. Turn the enclosure over so that the feet are supporting the chassis.
7. Replace all 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.
8. Replace the media tray.
Tighten the bottom three captive screws and secure the media tray to the enclosure
(
FIGURE E-17
).
9. Replace the key switch assembly and the 100/240V fan tray assembly.
See Section E.3.2 “Key Switch Assembly and Section E.3.1 “Fan Tray Assembly,
100V/240V” for information on replacing these assemblies.
10. Replace the top cover.
a. Slide the top cover over the key slots until it fits securely on the main chassis.
b. Replace each plug.
11. Replace the side vents. Place each vent alongside the main chassis and push the
vent forward until it stops.
12. Replace the top bezel.
See Chapter 12 “Preparing for Service,” for information on replacing this assembly.
13. Power on the Enterprise system.
See the power on instructions in Chapter 11 “Powering Off and On.