IBM 7979B1U User Manual page 89

Installed power supplies
Power supply 1
Power supplies 1 and 2
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.
To install an ac power supply, complete the following steps:
Attention: In a dc power environment, only trained service personnel other than
IBM service technicians are authorized to connect or disconnect power to the dc
power supply and to install and remove a dc power supply. See the documentation
that comes with each dc power supply for installation instructions.
Required
Fans in locations 3, 4, 8, 9, and 10
All 10 fans
Power supply filler
release lever
Power supply filler
Chapter 2. Installing optional devices
Hot-swap
power supply 2
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