IBM System x3530 M4 Installation And Service Manual page 342

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 with one of these parts, contact a service
technician.
To install a fixed power supply, complete the following steps:
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System x3530 M4 Type 7160: Installation and Service Guide
1. Read the safety information that begins on page Safety and "Installation
guidelines" on page 30.
2. Touch the static-protective package that contains the power supply to any
unpainted metal surface on the server; then, remove the power supply from
the package and place it on a static-protective surface.
3. Orient the power supply as shown in the following illustration and align the
retention tabs on the side of the power supply with the slots on the chassis.
4. Install the rear bracket.