Removing The Fan Assembly - Cisco 8540 - Catalyst Campus Switch Router Modular Expansion Base Installation Manual

Replacing the Fan Assembly

Removing the Fan Assembly

To remove the existing chassis fan assembly, follow these steps:
Step 1 Locate the fan assembly on the left side of the module cage, above the power
supply. (See Figure 3-4.)
Use a flat-blade screwdriver to loosen each of the two captive installation screws
Step 2
by turning them counterclockwise. Do not attempt to completely remove them.
Step 3 Grasp the fan assembly with both hands and pull it toward you and away from the
backplane using steady pressure until it frees the backplane.
Lift the fan assembly out of the chassis and put it in a safe place.
Step 4
Proceed to the following section to reinstall a fan assembly immediately if the
power has not been turned off.
Caution Never operate the system if the fan assembly is not functioning
properly or if a fan assembly is not quickly reinstalled. An
overtemperature condition can result in severe equipment damage.
Catalyst 8540 Chassis Installation Guide
3-8
Chapter 3 Maintaining the Chassis
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