Cisco 5509 - Catalyst Chassis Switch Посібник з монтажу - Сторінка 30
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Using the Startup Wizard
Removing and Replacing the Fan Assembly
This section describes how to remove and install the fan assembly.
Required Tools
To install a fan unit, you need the following tools and equipment:
•
•
Removing the Fan Assembly
When removing the fan tray, keep your hands and fingers away from the spinning fan blades. Let the
Warning
fan blades completely stop before you remove the fan tray. Statement 258
Caution
Replace the fan within 2 minutes to avoid overheating the controller.
Never operate the system for an extended period if the fan assembly is removed or if it is not functioning
Caution
properly. An over-temperature condition can cause severe equipment damage.
Follow these steps to remove the existing fan assembly:
Step 1
Loosen the two captive installation screws on the fan assembly by turning them counterclockwise.
Grasp the fan assembly with both hands and pull it outward; gently move it side to side if necessary to
Step 2
unseat it from the backplane. Slide it out of the chassis and place it in a safe place.
Installing the Fan Assembly
Follow these steps to install the new fan assembly:
Slide the fan assembly into the chassis until the two captive installation screws make contact with the
Step 1
chassis.
Using a screwdriver, tighten the two captive installation screws by turning them clockwise.
Step 2
Cisco 5500 Series Wireless Controller Installation Guide
30
A fan unit
A number 1 Phillips screwdriver
78-18998-01