When you remove the fixed power supply, observe the following
precautions.

CAUTION:
Never remove the cover on
a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels
are present inside any component that has this label attached. There
are no serviceable parts inside these components. If you suspect a
problem with one of these parts, contact a service technician.
To remove the fixed power supply, do the following:
- Turn off the server. Then, disconnect all external cables
and remove all peripheral devices.
- Remove the server cover. See Removing the server cover.
- Disconnect the power-supply cables from the connectors
on the system board and internal devices. Then, disengage the cables
from any retention clips.
Note: Record the routing of all power-supply cables; you will
route the power-supply cables the same way when you install the power
supply.
- Remove the fixed power supply.
- Remove the screws that secure the power supply to the
rear of the chassis.
- Push the power supply toward the front of the server
until the power supply has disengaged from the chassis.
- Lift the power supply out of the chassis.
Figure 1. Fixed power supply removal