Cisco ASR 9000 Series Installation Manual page 241

Chapter 5 Replacing Cisco ASR 9000 Series Router Components
Replacing the Chassis Air Filter
For the Cisco ASR 9922 Router and Cisco ASR 9912 Router, remove the three air filters by pulling
Step 5
them off the front of the chassis (see Figure 5-4 and Figure 5-5). Then, for each filter, loosen the thumb
screws, rotate the inner frame out, and replace the foam media (see Figure 5-6 and Figure 5-7).
Figure 5-4 Cisco ASR 9922 Router Chassis Air Filters
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
5-7