Power Supply; Removal Of Power Supply - IBM RS/6000 44P 270 Service Manual

Power Supply

DANGER
Do not attempt to open the covers of the power supply. Power supplies are
not serviceable and are to be replaced as a unit.

Removal of Power Supply

1. If you have not already done so, shut down the system as described in "Stopping
the System Unit" on page 224.
2. If you have not already done so, unplug the system unit power cable from the
electrical outlet.
3. If you have not already done so, remove all of the covers as described in
"Removal of Covers" on page 226.
4. Remove the media devices as described in "CD-ROM Drive, Tape Drive, Diskette
Drive" on page 268.
5. Remove the disk drives as described in "Disk Drives" on page 245.
6. Remove the screws that secure the disk drive cage as described in "Removal of
Disk Drive Cage" on page 266. Do not disconnect the cables from the backplane.
Slide the disk drive cage forward enough so that the power supply can be
removed.
Chapter 9. Removal and Replacement Procedures
257