Installing A Power Supply - Lenovo TD200 - ThinkServer - 3809 Hardware Maintenance Manual

5. Disconnect the cables from the power supply to the system board and all internal components. Be sure
to make a note of the cable routing.
Attention: Support the power supply while you remove the mounting screws. After the screws are
removed, the power supply is loose and can damage other components in the server.
6. While you support the power-supply, remove the three screws from the pivot bracket that secure the
power supply to the chassis; then, lift the power supply off the chassis. Save the screws to use when you
install the replacement power supply.
1
Power supply retaining screws
2
Power supply assembly
7. If you are instructed to return the power supply, follow all packaging instructions, and use any packaging
materials for shipping that are supplied to you.

Installing a power supply

To install a power supply, complete the following steps.
Note: Approximately 1 to 3 minutes after the server is connected to ac power, the power-control button
becomes active.
1. Align the screw holes in the power supply cage pivot bracket with the corresponding screw holes on
the rear of the chassis.
.
Chapter 7 Installing and replacing FRUs
185