Cisco 12010 series Maintenance Manual page 20

Cleaning or Replacing the Chassis Air Filter
Cleaning or Replacing an Enhanced Series Chassis Air Filter
Step 1
Figure 7-11 Opening the Chassis Air Filter Door
Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
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Use the following procedure to clean or replace the enhanced series air filter.
Loosen the captive screw on each side of the air filter door and pivot the door open
(Figure 7-11).
Chapter 7 Maintaining the Router
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