IBM 8671 - Eserver xSeries 235, Maintenance And Troubleshooting Manual

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Before you continue with the power-supply replacement procedure, review the
following.
Notes:
1. Two cable-restraint brackets are on the rear of the tower model servers. After
you connect the cables to the selected devices, you can use these
cable-restraint brackets to manage the cable routing. Route the power cords
through the power-cord restraint bracket on the bottom. Route the remaining
cables (for example, the cables that are connected to the I/O ports) through the
I/O cable-restraint bracket on the top.
If you install or remove a power supply, observe the following precautions.
Statement 8
CAUTION:
Never remove the cover on a power supply or any part that has the following label
attached.
Hazardous voltage, current, and energy levels are present inside any component that
has this label attached. There are no serviceable parts inside these components. If
you suspect a problem with one of these parts, contact a service technician.
Complete the following steps to replace a hot-swap power supply:
1. Review the information in “Installation guidelines” on page 45, “Handling
static-sensitive devices” on page 46, and “Safety information” on page 169.
2. Unplug the power cord from the selected power supply.
3. Remove the old power supply.
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xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide