IBM 84885BU User Manual - Page 90

disconnect

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Rear fans Before you begin: v Read Appendix B, "Safety information," on page 143. v Review the information in "System reliability guidelines" on page 25. To remove a rear fan, complete the following steps: 1. Turn off the server, if it is on. 2. Disconnect the power cord from the power source and from the server; then, disconnect all external cables. 3. Remove the side cover (see "Removing the side cover" on page 28). 4. Remove the frame-support bracket (see "Removing and installing the support bracket" on page 32). 5. Remove the microprocessor air baffle (see "Microprocessor air baffle" on page 67). 6. Remove the fan cable from the system board. 7. Use side cutters to sever the four rubber extensions on the outside of the server. 8. Gently pry the fan away from the server and lift it up and out. Rubber extensions To install the new rear fan assembly, complete the following steps: 1. Place the fan in position at the rear of the server. 2. Guide the rubber extensions through the apertures. 3. Use needle-nosed pliers to pull the extensions through the apertures. 4. Reconnect the cables. 80 xSeries 226 Type 8488 and 8648: Hardware Maintenance Manual and Troubleshooting Guide

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Rear
fans
Before
you
begin:
v
Read
Appendix
B,
“Safety
information,”
on
page
143.
v
Review
the
information
in
“System
reliability
guidelines”
on
page
25.
To
remove
a
rear
fan,
complete
the
following
steps:
1.
Turn
off
the
server,
if
it
is
on.
2.
Disconnect
the
power
cord
from
the
power
source
and
from
the
server;
then,
disconnect
all
external
cables.
3.
Remove
the
side
cover
(see
“Removing
the
side
cover”
on
page
28).
4.
Remove
the
frame-support
bracket
(see
“Removing
and
installing
the
support
bracket”
on
page
32).
5.
Remove
the
microprocessor
air
baffle
(see
“Microprocessor
air
baffle”
on
page
67).
6.
Remove
the
fan
cable
from
the
system
board.
7.
Use
side
cutters
to
sever
the
four
rubber
extensions
on
the
outside
of
the
server.
8.
Gently
pry
the
fan
away
from
the
server
and
lift
it
up
and
out.
Rubber
extensions
To
install
the
new
rear
fan
assembly,
complete
the
following
steps:
1.
Place
the
fan
in
position
at
the
rear
of
the
server.
2.
Guide
the
rubber
extensions
through
the
apertures.
3.
Use
needle-nosed
pliers
to
pull
the
extensions
through
the
apertures.
4.
Reconnect
the
cables.
80
xSeries
226
Type
8488
and
8648:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide