6. While supporting the power-supply cage2, remove the three screws 1 from
the pivot bracket that secure the power-supply cage to the chassis; then, lift the
cage off the chassis.
7. If you are instructed to return the power-supply cage, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
126 ThinkServer TD100 and TD100x: Hardware Maintenance Manual