IBM 8671 Hardware Maintenance Manual - Page 133

Power-supply, non-hot-swap

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Power-supply (non-hot-swap) Complete the following steps to remove the non-hot-swap power supply. Note: v Read "Installation guidelines" on page 45. v Read the safety notices at "Safety information" on page 169. v Read "Handling electrostatic discharge-sensitive devices" on page 172. 1. Turn off the server. Note: If your server is a tower model, you might find it easier to install the hot-swap power-supply option if you turn the server on its side so that the power supply is on the bottom. 2. Disconnect all external cables and power cords from the back of the server. 3. Remove the adapter-support bracket. See "Removing and installing the adapter-support bracket" on page 58 for instructions. 4. Remove the fixed power supply (see the following illustration). 5. Disconnect all power-supply cables from the system board (J4, J10), SCSI backplane, and other backplanes or devices. 6. From the rear of the server, remove the two screws at each side of the fixed power supply. 7. Gently pull the power supply from the server, making sure the cables do not snag on the chassis or system board. Note: You might need to insert the blade of a screwdriver behind one corner of the power supply to begin moving it. 8. To install a non-hot-swap power supply option, reverse the previous steps. Chapter 5. Service replaceable units 123 1 2

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Power-supply
(non-hot-swap)
Complete
the
following
steps
to
remove
the
non-hot-swap
power
supply.
Note:
v
Read
“Installation
guidelines”
on
page
45.
v
Read
the
safety
notices
at
“Safety
information”
on
page
169.
v
Read
“Handling
electrostatic
discharge-sensitive
devices”
on
page
172.
1.
Turn
off
the
server.
Note:
If
your
server
is
a
tower
model,
you
might
find
it
easier
to
install
the
hot-swap
power-supply
option
if
you
turn
the
server
on
its
side
so
that
the
power
supply
is
on
the
bottom.
2.
Disconnect
all
external
cables
and
power
cords
from
the
back
of
the
server.
3.
Remove
the
adapter-support
bracket.
See
“Removing
and
installing
the
adapter-support
bracket”
on
page
58
for
instructions.
4.
Remove
the
fixed
power
supply
(see
the
following
illustration).
2
1
5.
Disconnect
all
power-supply
cables
from
the
system
board
(J4,
J10),
SCSI
backplane,
and
other
backplanes
or
devices.
6.
From
the
rear
of
the
server,
remove
the
two
screws
at
each
side
of
the
fixed
power
supply.
7.
Gently
pull
the
power
supply
from
the
server,
making
sure
the
cables
do
not
snag
on
the
chassis
or
system
board.
Note:
You
might
need
to
insert
the
blade
of
a
screwdriver
behind
one
corner
of
the
power
supply
to
begin
moving
it.
8.
To
install
a
non-hot-swap
power
supply
option,
reverse
the
previous
steps.
Chapter
5.
Service
replaceable
units
123