IBM 4800-741 Hardware Service Guide - Page 56

Removing, exhaust, Models

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Updated July 14, 2008 6. Unplug the cables attached to the hard disk drive. See Figure 25 on page 37 and note that the end connector is the master connector, which is black, and should always be plugged into the master hard disk drive. The slave connector, which is gray, is installed to an optional, second hard disk drive in the lower position. 7. Remove the screws ( F in Figure 24 on page 37) that hold the hard disk drive to the bracket. 8. Slide the hard disk drive ( C in Figure 24 on page 37) out of the bracket. 9. To replace the hard disk drive, reverse these steps. Notes: a. When re-attaching the cables, be sure to place the extra cable length in the space provided beneath the hard disk drive. b. The connector that plugs into the system board is blue. Removing the exhaust fan (Models 742 and 782 only) Follow these steps to remove and replace the exhaust fan: 1. Follow the instructions in "Removing the covers" on page 29 to remove the front bezel and top cover. 2. Follow the instructions in "Removing the top plate" on page 32 to remove the top plate. Figure 26. Exhaust fan (Models 742, and 782 only) 3. Locate and remove the two screws (see A in Figure 26) holding the exhaust fan in the housing. 38 SurePOS 700 Series: SurePOS 700-721/741/781, 722/742/782 Hardware Service Guide

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6.
Unplug
the
cables
attached
to
the
hard
disk
drive.
See
Figure
25
on
page
37
and
note
that
the
end
connector
is
the
master
connector,
which
is
black,
and
should
always
be
plugged
into
the
master
hard
disk
drive.
The
slave
connector,
which
is
gray,
is
installed
to
an
optional,
second
hard
disk
drive
in
the
lower
position.
7.
Remove
the
screws
(
±F²
in
Figure
24
on
page
37)
that
hold
the
hard
disk
drive
to
the
bracket.
8.
Slide
the
hard
disk
drive
(
±C²
in
Figure
24
on
page
37)
out
of
the
bracket.
9.
To
replace
the
hard
disk
drive,
reverse
these
steps.
Notes:
a.
When
re-attaching
the
cables,
be
sure
to
place
the
extra
cable
length
in
the
space
provided
beneath
the
hard
disk
drive.
b.
The
connector
that
plugs
into
the
system
board
is
blue.
Removing
the
exhaust
fan
(Models
742
and
782
only)
Follow
these
steps
to
remove
and
replace
the
exhaust
fan:
1.
Follow
the
instructions
in
“Removing
the
covers”
on
page
29
to
remove
the
front
bezel
and
top
cover.
2.
Follow
the
instructions
in
“Removing
the
top
plate”
on
page
32
to
remove
the
top
plate.
3.
Locate
and
remove
the
two
screws
(see
±A²
in
Figure
26)
holding
the
exhaust
fan
in
the
housing.
Figure
26.
Exhaust
fan
(Models
742,
and
782
only)
Updated
July
14,
2008
38
SurePOS
700
Series:
SurePOS
700-721/741/781,
722/742/782
Hardware
Service
Guide