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Chapter 5 Maintaining Your Cisco 7505 Router
Maintenance Procedures for the Cisco 7505
Use the following procedure to replace the fan tray:
Step 1 Replace the fan tray. Hold the fan tray assembly in the position shown in Figure
Note Before inserting the fan tray, compare the hardware inside the chassis to Figure
Step 2 Insert the top runner of the fan tray through the notch in the top of the chassis. Continue pushing the tray into the chassis, ensuring that the bottom runner slides into the track on the floor of the chassis. If the tray hangs up, pull it back out a few inches and try pushing it back in again. If the runners seem to be catching on the brackets, push the tray slightly toward the left when inserting it again.
Step 3 Slide the tray back into the chassis, pushing it all the way in until the circuit board snaps into the backplane socket.
Step 4 Replace the M4 screw in the tab and tighten it with a number 2 Phillips screwdriver. (See the cutaway view of this screw in Figure
Step 5 Replace the cover panel. (Follow Step 1 through Step 4 in the procedure for replacing the cover panel in the “Removing and Replacing the Cisco 7505 Cover Panel” section on page
This completes the fan tray replacement procedure.
Removing and Replacing the Cisco 7505 Power Harness Cover
You must remove the power harness cover to access the power supply. A single M3 Phillips screw secures the power harness cover to the backplane cover.
Warning Before working on the chassis or near power supplies, disconnect the power cable on AC units or disconnect the power at the circuit breaker on DC units.
Use the following procedure to remove the power harness cover:
Step 1 Turn off the system power switch and disconnect the power cable from the power source.
Step 2 Remove the chassis cover panel. (Follow Step 1 and Step 2 in the procedure for removing the chassis cover panel in the “Removing and Replacing the Cisco 7505 Cover Panel” section on page
Cisco 7500 Series Installation and Configuration Guide
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