IBM 7383 Installation And Service Manual page 304

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.
Read the safety information in "Safety" on page vii and "Installation guidelines"
on page 34.
Attention: Static electricity that is released to internal server components when
the server is powered-on might cause the server to halt, which might result in the
loss of data. To avoid this potential problem, always use an electrostatic-discharge
wrist strap or other grounding system when you work inside the server with the
power on.
About this task
To remove a hot-swap power supply, complete the following steps.
Note:
1. If only one hot-swap power supply is installed in the server, you must turn off
2. You must install the fan cage assembly before removing or installing the power
Procedure
1. Disconnect the power cord from the connector on the back of the power supply
2. Press the release latch on the hot-swap power supply and pull it out from the
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System x3500 M4 Type 7383: Installation and Service Guide
the server before removing the power supply.
supply.
that you are removing.
server.