Sun Oracle 4540 - Phaser Copystation, Service Manual, Page: 143 / 264

Chapter 3 Maintaining the Sun Fire X4500 and X4540 Servers 3-23
FIGURE 3-10
Pulling Out the Power Distribution Board
7. Install the new PDB:
a. Align the new PDB so that the chassis standoffs protrude through its keyed
openings, and then slide the PDB downward to lock it into place.
b. Push down on the edge of the board.
c. Use a No. 1 Phillips screwdriver to tighten the three captive screws that
secure the PDB to the chassis. See
FIGURE 3-9
.
d. Verify that the disk drive access cover intrusion switch is functioning
correctly and is not bent during installation of the PDB. See “To Install the
Drives Access Cover” on page 3-13 .
8. Reinstall the CMA mounting plate.
Note –
Skip this step if your chassis has a third power supply—this bay will be
filled with the third power supply.