Cisco 7513-MX Maintaining page 10

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Maintenance Procedures for the Cisco 7513, Cisco 7513-MX, and Cisco 7576
Removing and Replacing the Cisco 7513, Cisco 7513-MX, and Cisco 7576 Blower
In the Cisco 7513, Cisco 7513-MX, and Cisco 7576, the blower provides cooling air to the internal
system components. When you view the chassis from the noninterface processor end, the blower module
is located above the card cage. (See
place. The front panel LEDs are located on a printed circuit board inside the blower module. If one of
these LEDs fails, the blower module must be replaced. The LED board inside the blower module
assembly is not separately replaceable.
Although the system should not be operating when you remove the blower module, it is not necessary
to turn OFF system power before removing the blower module. However, with the system power ON
and the blower module removed, high current is exposed on the blower module power connector at
the backplane; do not insert conductive items into the empty blower module opening. After an
operating blower module is removed, the blower impeller blades will continue to spin for
approximately two minutes; do not insert anything into the module's vent holes while the impeller is
With chassis power on and the blower module removed, no cooling air is circulating through the system.
Replace the blower module before the system overheats. The system will shut down approximately 2
minutes after reaching the shutdown temperature threshold.
Use the following procedure to remove and replace the blower module:
Loosen the captive screws that fasten each end of the blower module using a flat-blade screwdriver. (See
Step 1
Grasp the handle on the front of the module and slowly pull it straight out of the chassis. (See
Step 2
Replace the blower module. Using both hands to handle the module, and with the intake vents on the
Step 3
blower module facing down and the "Insert This Side Up" label facing up, insert the module into the
chassis opening. Keep the module as straight as possible as you guide it into the chassis.
Figure 7-8
Blower module
Cisco 7500 Series Installation and Configuration Guide
Removing the Cisco 7513, Cisco 7513-MX, and Cisco 7576 Blower Module
Chapter 7
Maintaining Your Cisco 7513, Cisco 7513-MX, and Cisco 7576 Router
1-11.) Two slotted captive screws hold the blower module in
Captive installation screws (2)
OL-5008-03 B0


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