Removing The Fixed Power Supply - Lenovo x3250 m6 Installation And Service Manual

Removing the fixed power supply

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.
Note: After you remove the fixed power supply, you need to install a new one. See "Installing the fixed
power supply" on page 130.
To remove the fixed power supply, do the following:
Step 1. Turn off the server. Then, disconnect all external cables and remove all peripheral devices.
Step 2. Remove the server cover. See "Removing the server cover" on page 88.
Step 3. 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.
Step 4. Remove the fixed power supply.
a. Remove the screws that secure the power supply to the rear of the chassis.
b. Push the power supply toward the front of the server until the power supply has disengaged
from the chassis.
c. Lift the power supply out of the chassis.
.
Chapter 7 Removing and installing server components
129