Cisco ASR 5000 Series Installation Manual page 218

▀ Installing the Air Filter
Step 4
Remove any dust build-up that may have accumulated on the chassis front air intake. This should be done as part of
routine maintenance to continue optimum airflow into the chassis. The front air intake is located on the lower fan tray
cover.
Step 5 Replace the fan tray bay cover and tighten each of the four screws to secure it to the chassis.
Important:
Step 6
Replace the plastic bezel over the fan tray bay.
Step a
Step b
▄ ASR 5000 Installation Guide
218
The fan tray cover is keyed and can only be installed in one direction.
Align the bezel over the bezel mounts that protrude from the fan tray bay cover.
Snap the bezel in place.
Replacing the Chassis Air Filter