Removing And Replacing The Cisco 7505 Backplane Cover - Cisco 7500 Series Configuration Manual

Maintenance Procedures for the Cisco 7505
Figure 5-5
Guide pin
hole
Four 20-mm
M3 screws
See the appropriate sections depending on the replacement procedures you need to perform. Then, to
Note
replace the backplane cover, proceed to the following procedure.
Use the following procedure to replace the backplane cover:
Step 1 Carefully guide the backplane cover into the chassis opening over the arbiter and CI, and over the guide
pins on the backplane. (See
backplane and standoffs.
Step 2 Loosely install the 15 screws around the flange of the backplane cover. (See
these screws.
Step 3 Loosely install the eight standoff screws in the face of the backplane cover.
Step 4 Verify that the cover is aligned; then tighten all screws that secure the backplane cover.
Step 5 Replace the fan tray. (Follow Step 1 through Step 5 in the procedure for replacing the fan tray in the
"Removing and Replacing the Cisco 7505 Fan Tray" section on page
Step 6 Reattach the power harness plug to the power harness receptacle. The harness plug and backplane
receptacle are polarized with notches at the top of both guide tabs (top and bottom) on the plug. Ensure
that the plug is fully seated in the receptacle.
Cisco 7500 Series Installation and Configuration Guide
5-10

Removing and Replacing the Cisco 7505 Backplane Cover

Six 10-mm M3 screws on top, five on bottom
Four 20-mm M3 screws
Figure 5-5.) Align the screw holes in the cover with the holes on the
Chapter 5 Maintaining Your Cisco 7505 Router
Two 10-mm
M3 screws
each side
Guide pin
hole
Figure 5-5.) Do not tighten
5-5.)
OL-5008-03 B0