IBM 8840 Hardware Maintenance Manual - Page 38

Removing, cover

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Removing the cover The following illustration shows how to remove the cover. Cover-release latch Complete the following steps to remove the top cover: 1. Read the safety in formation beginning on page Appendix B, "Safety information," on page 117 and "Installation guidelines" on page 23. 2. If you are planning to install or remove a microprocessor, memory module, PCI adapter, or battery, turn off the server and all attached devices and disconnect all external cables and power cords (see "Turning off the server" on page 7). 3. Press down on the left and right side latches and pull the server out of the rack enclosure until both slide rails lock. Note: You can reach the cables on the back of the server when the server is in the locked position. 4. Lift the cover-release latch. Lift the cover off the server and set the cover aside. Attention: For proper cooling and airflow, replace the cover before turning on the server. Operating the server for extended periods of time (over 30 minutes) with the cover removed might damage server components. 28 xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide

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Removing
the
cover
The
following
illustration
shows
how
to
remove
the
cover.
Cover-release
latch
Complete
the
following
steps
to
remove
the
top
cover:
1.
Read
the
safety
in
formation
beginning
on
page
Appendix
B,
“Safety
information,”
on
page
117
and
“Installation
guidelines”
on
page
23.
2.
If
you
are
planning
to
install
or
remove
a
microprocessor,
memory
module,
PCI
adapter,
or
battery,
turn
off
the
server
and
all
attached
devices
and
disconnect
all
external
cables
and
power
cords
(see
“Turning
off
the
server”
on
page
7).
3.
Press
down
on
the
left
and
right
side
latches
and
pull
the
server
out
of
the
rack
enclosure
until
both
slide
rails
lock.
Note:
You
can
reach
the
cables
on
the
back
of
the
server
when
the
server
is
in
the
locked
position.
4.
Lift
the
cover-release
latch.
Lift
the
cover
off
the
server
and
set
the
cover
aside.
Attention:
For
proper
cooling
and
airflow,
replace
the
cover
before
turning
on
the
server.
Operating
the
server
for
extended
periods
of
time
(over
30
minutes)
with
the
cover
removed
might
damage
server
components.
28
xSeries
346
Types
8840
and
1880:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide