IBM 847620U - Netfinity 3000 - 20U, Hardware Maintenance Manual, Page: 233 / 270

Caution:
Never remove the cover on a power supply or any part
(power backplane and AC box) that has the following
label attached.
Hazardous voltage, current, and energy levels are
present inside the power supplies, power backplane,
and AC box. There are no serviceable parts inside the
power supplies, power backplane, or AC box. If you
suspect a problem with one of these parts, contact an
IBM service technician.
Caution:
Electrical current from power, telephone, and
communication cables can be hazardous. To avoid
personal injury or equipment damage, disconnect the
attached power cords, telecommunications systems,
networks, and modems before you open the server
covers, unless instructed otherwise in the installation
and configuration procedures.
Caution:
The power cable to the fan should be disconnected
whenever the fan assembly is not installed in the
server; otherwise, the fan might start turning while you
are holding it and the fan blades could injure your
fingers.
Caution:
Do not place any object weighing more than 50 kg (110
lbs) on top of the rack model of the server.
>
50 kg (110
lbs)
Related service information
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