To remove a non-hot-swap power supply on 4U server models with non-hot-swap
power supplies, complete the following steps.
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 163.
2. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
3. Carefully turn the server on its side so that it is lying flat, with the cover facing
up.
Attention: Do not allow the server to fall over.
4. Remove the side cover (see “Removing the side cover” on page 166).
5. Remove the air duct.
6. Remove the heat sink (see “Removing the microprocessor and heat sink” on
page 250).
7. Disconnect the hard disk power cables from the backplate.
8. Disconnect the cables from the power supply to the system board and all
internal components. Note the routing of all power-supply cables; you will need
to route the power-supply cables the same way when you install the power
supply.
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.
9. While you support the power supply, remove the screws that secure it to the
chassis; then, lift the power supply out of the chassis. Save the screws to use
when you install the replacement power supply.
Note: You may find it easier to remove the power supply by pushing the
bottom upward. Do not pull the cables.
Chapter 5. Removing and replacing server components 241
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