IBM x3550 - System - 7978, Problem Determination And Service Manual

Page: 82 / 204

Removing a power supply
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 remove a hot-swap power supply, complete the following steps:
Power supply
Power-supply handle
Power-supply
release tab
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 39.
2. If only one power supply is installed, turn off the server and peripheral devices
and disconnect all power cords.
3. If the server is in a rack, at the back of the server, pull back the cable
management arm to gain access to the rear of the server and the power supply.
4. Press and hold the orange release tab down and pull the power supply out of
the server.
64
IBM System x3550 Type 7978 and 1913: Problem Determination and Service Guide