IBM 4840-544 Service Guide - Page 90

Cooling, removing, replacing

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Cooling duct August 3, 2006 Cooling duct - removing and replacing 1. Switch OFF the power to the SurePOS 500 Models 5x3 and 544/564. Unplug the power cord from the external power source. 2. Remove the back cover as described at "Rear cover - removing and replacing" on page 38. 3. Remove rear inner metal cover. See "Rear inner metal cover - removing and replacing" on page 78. 4. Remove the power supply. See "Power supply - removing and replacing" on page 57. 5. Remove the rear (tailgate) connector panel. See "Rear connector panel (tailgate) - removing and replacing" on page 76. 6. Remove the cooling duct as shown in Figure 44.. Figure 44. Cooling duct To replace, reverse this procedure. 64

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Cooling
duct
–
removing
and
replacing
1.
Switch
OFF
the
power
to
the
SurePOS
500
Models
5x3
and
544/564.
Unplug
the
power
cord
from
the
external
power
source.
2.
Remove
the
back
cover
as
described
at
“Rear
cover
–
removing
and
replacing”
on
page
38.
3.
Remove
rear
inner
metal
cover.
See
“Rear
inner
metal
cover
–
removing
and
replacing”
on
page
78.
4.
Remove
the
power
supply.
See
“Power
supply
–
removing
and
replacing”
on
page
57.
5.
Remove
the
rear
(tailgate)
connector
panel.
See
“Rear
connector
panel
(tailgate)
–
removing
and
replacing”
on
page
76.
6.
Remove
the
cooling
duct
as
shown
in
Figure
44..
To
replace,
reverse
this
procedure.
Figure
44.
Cooling
duct
Cooling
duct
August
3,
2006
64