System Fan Assembly - HP xw4550 Service And Technical Reference Manual

3. Remove the four screws (1) from the back panel.
4. Slide the power supply toward the front and lift it (2) out of the chassis.
Figure 4-14
To replace the power supply, reverse the previous steps.

System fan assembly

To remove the system fan assembly:
1. Disconnect power from the system
access panel
2. Disconnect the fan plug (1) from the system board.
70 Chapter 4 Removal and replacement procedures
Removing the power supply
(Side access panel on page
(Predisassembly procedures on page
62).
57) and remove the side
ENWW