Cisco 7500 Series Replacing Manual page 9

Insert the top runner of the fan tray through the notch in the top of the chassis. Continue
Step 9
pushing the tray into the chassis, and ensure 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.
Slide the tray back into the chassis, pushing it all the way in until the circuit board snaps
Step 10
into the backplane socket.
Replace the M4 screw in the tab and tighten it with a number 2 Phillips screwdriver. (See
Step 11
the cutaway view of this screw in Figure 3, on page 8.)
Step 12 To replace the cover panel, follow Steps 3 through 6 in the section "Removing and
Replacing the Chassis Cover Panel" on page 6.
This completes the fan tray replacement.
Figure 4 Fan Tray Tracks and Guides
L-bracket
Card cage
Fan tray,
side view
Chassis
enclosure
Replacing the Chassis Interface (CI) Board in the Cisco 7500 Series Chassis
Replacing the CI in the Cisco 7505
Fan tray,
side view
Bottom runner
Track
9