Lenovo ThinkServer RD120, Hardware Maintenance Manual

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Release lever
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 53.
2. If only one power supply is installed, turn off the server and peripheral devices.
3. Remove the cover (see “Removing the cover” on page 56).
4. Disconnect the power cord from the power supply that you are removing.
Attention: In a dc power environment, only trained service personnel other
than Lenovo service technicians are authorized to connect or disconnect power
to the dc power supply. See the documentation that comes with each dc power
supply.
5. Grasp the power-supply handle.
6. Press the orange release latch down and hold it down.
7. Pull the power supply part of the way out of the bay.
8. Release the release latch; then, support the power supply and pull it the rest of
the way out of the bay.
9. 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.
Note: It is not necessary to remove any fans when you remove a power supply.
However, all 10 fans must be installed when both power supplies are installed.
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ThinkServer RD120 server Machine Types 6444, 6445, 6446, and 6447: Hardware Maintenance Manual