Cisco 12416 Installation And Configuration Manual page 304

Removing and Installing the Front Covers and Bezel Extenders on Original Cisco 12000 Series Routers
Step 4
Caution
Step 5
Figure 7-6 Closing the Air Filter Door
Switch fabric
card cage
(behind filter door)
Air filter
door
Air filter
Caution
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
7-12
Secure the front cover to the air filter door using the (4) screws that you removed
in Step 2.
Do not overtighten the screws. Overtightening the screws can damage the
threaded holes in the air filter door.
Close the air filter door and tighten the captive screws
Align and seat the door carefully to avoid damaging the EMI-preventive gaskets
on the door. The air filter door must be closed and secured at all times to maintain
correct EMI performance.
Chapter 7 Maintaining the Router
(Figure 7-6).
Guide pin
Captive screw
Captive screws
(2 on each side)
OL-11495-01