IBM 4800-741 Hardware Service Guide - Page 50

Removing, plate

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Updated July 14, 2008 Removing the top plate To remove the top plate: 1. Remove the front bezel and top cover by following the steps in "Removing the covers" on page 29. D X8 Figure 20. Top plate screws 2. See Figure 20. Locate and remove the eight screws ( D ) holding the top plate. 3. Slide the cover backward and then lift upward to remove. Important Before servicing the inside of the machine and after you have removed the top cover, verify that no system board LEDs (red) are illuminated. A red LED indicates the presence of power; you must remove theACpower cord before continuing. 4. To replace, reverse these procedures. Note: To ensure stability, locate the screw holes imprinted with an arrow. These should contain screws. 32 SurePOS 700 Series: SurePOS 700-721/741/781, 722/742/782 Hardware Service Guide

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Removing
the
top
plate
To
remove
the
top
plate:
1.
Remove
the
front
bezel
and
top
cover
by
following
the
steps
in
“Removing
the
covers”
on
page
29.
2.
See
Figure
20.
Locate
and
remove
the
eight
screws
(
±D²
)
holding
the
top
plate.
3.
Slide
the
cover
backward
and
then
lift
upward
to
remove.
Important
Before
servicing
the
inside
of
the
machine
and
after
you
have
removed
the
top
cover,
verify
that
no
system
board
LEDs
(red)
are
illuminated.
A
red
LED
indicates
the
presence
of
power;
you
must
remove
theACpower
cord
before
continuing.
4.
To
replace,
reverse
these
procedures.
Note:
To
ensure
stability,
locate
the
screw
holes
imprinted
with
an
arrow.
These
should
contain
screws.
D
X8
Figure
20.
Top
plate
screws
Updated
July
14,
2008
32
SurePOS
700
Series:
SurePOS
700-721/741/781,
722/742/782
Hardware
Service
Guide