Cisco ASR 9000 Series Installation Manual page 243

Chapter 5 Replacing Cisco ASR 9000 Series Router Components
Figure 5-7
1
1
2
Visually check the condition of the air filter and/or its foam media to determine whether to install a new
Step 6
replacement filter or foam media.
For the Cisco ASR 9010 Router, slide the new air filter into the air filter door (honeycomb side up). For
Step 7
the Cisco ASR 9006 Router and Cisco ASR 9904 Router, tighten the thumb screw to secure the filter to
the chassis. For the Cisco ASR 9922 Router and Cisco ASR 9912 Router, tighten the thumb screws that
attach the inner frame to the air filter and re-attach the three air filters to the front of the chassis.
Align and seat the door carefully to avoid damaging the EMI-preventive gaskets on the door. The air
Caution
filter door must be closed and secured at all times to maintain correct EMI performance.
Removing the Cisco ASR 9922 Router Chassis Side Air Filter —Versions 1 and 2
Loosen thumb screws
Rotate and lower inner frame
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
Replacing the Chassis Air Filter
3
2
3
Remove foam filter media
5-9