Cisco 7000 Series Hardware Installation And Maintenance page 214

Tools Required
The
following
3/16-inch
Long
on
Flashlight
Although
of the chassis
specifically
should
screw
and
position
Blower
the
Removing
Remove
Step
Step
Step
Figure
Step
tools for
are required
screwdriver
flat-blade
3-mm
12 inches
or longer
T-handle driver
blower
the
optional
the Allen-head screw
far left
and blower
the
left air
for access screw
to this
be
able the screw without
to find
and around
the lighting the chassis
if
wrench
the Allen
correctly
blower
the existing chassis
On
each power supply
installed
from power source
the
Remove
the front panels
according
the Front Chassis
Replacing
Locate blower see
the
Figure
blower power
the connector
under power bar Note
the white
orientation the backplane
in
Power
Blower Connector
5-27
Blower
VDC
blower 24
Disconnect the
inward and
of the connector
and
the connector on
wiring
blower
the
this
procedure
remove
the chassis top front
to
hex wrench
center Allen-head
blower
included with
is
spares
on blower
the obscured
is
slightly
duct access hole the
in
an
lip
By wrench
inserting the Allen
However
trouble
if
any
need
may
is poor you
follows
as
OFF
turn the switch
power
the procedure the section
to in
Panels
earlier in this
chapter
which mounted
5-24 is
to
which
5-27
see is
Figure
blower
the orientation of the
port
Blower
connection
power
from
connector the backplane
power
and away
pulling the connector out
blower
top of the
to
keep it
Internal
Replacing
panel
or driver for the captive screws
kits
from view
by the
left lip
of the chassis
is
provided
the access hole you
into
straight
you do have
trouble finding the
locate the screw
to
flashlight
and unplug
the cable
power
and
Removing
bottom
the of the
backplane
connected
in
to port backplane
and
connector
its
power
the sides
by
pinching
from
the
backplane
out of the while you remove
way
Maintenance
Components
and
Lay
5-69