IBM 8671 Hardware Maintenance Manual - Page 98

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Before you continue with the power-supply replacement procedure, review the following. Notes: 1. Two cable-restraint brackets are on the rear of the tower model servers. After you connect the cables to the selected devices, you can use these cable-restraint brackets to manage the cable routing. Route the power cords through the power-cord restraint bracket on the bottom. Route the remaining cables (for example, the cables that are connected to the I/O ports) through the I/O cable-restraint bracket on the top. If you install or remove a power supply, observe the following precautions. 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. Complete the following steps to replace a hot-swap power supply: 1. Review the information in "Installation guidelines" on page 45, "Handling static-sensitive devices" on page 46, and "Safety information" on page 169. 2. Unplug the power cord from the selected power supply. 3. Remove the old power supply. 88 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

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Before
you
continue
with
the
power-supply
replacement
procedure,
review
the
following.
Notes:
1.
Two
cable-restraint
brackets
are
on
the
rear
of
the
tower
model
servers.
After
you
connect
the
cables
to
the
selected
devices,
you
can
use
these
cable-restraint
brackets
to
manage
the
cable
routing.
Route
the
power
cords
through
the
power-cord
restraint
bracket
on
the
bottom.
Route
the
remaining
cables
(for
example,
the
cables
that
are
connected
to
the
I/O
ports)
through
the
I/O
cable-restraint
bracket
on
the
top.
If
you
install
or
remove
a
power
supply,
observe
the
following
precautions.
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.
Complete
the
following
steps
to
replace
a
hot-swap
power
supply:
1.
Review
the
information
in
“Installation
guidelines”
on
page
45,
“Handling
static-sensitive
devices”
on
page
46,
and
“Safety
information”
on
page
169.
2.
Unplug
the
power
cord
from
the
selected
power
supply.
3.
Remove
the
old
power
supply.
88
xSeries
235
Type
8671:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide