1. Read the safety information in “Safety” on page vii and “Installation
guidelines” on page 35.
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 38).
5. Remove the air baffle (see “Removing the air baffle” on page 39).
6. Disconnect the hard disk power cables from the backplate.
7. 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.
8. While you support the power supply, remove the six 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.
Attention: It is important to support the power supply while you remove the
mounting screws. After all six screws are removed, the power supply is loose
and can damage other components in the server.
Note: You may find it easier to remove the power supply by pushing the
bottom upward. Do not pull the cables.
Figure 175. Non-hot-swap power supply screw removal for 4U server model with
non-hot-swap power supplies
260 System x3100 M5 Type 5457: Installation and Service Guide
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