Cisco NCS 2006 Hardware Installation Manual page 470

NTP-L19 Replacing the Air Filter of the NCS 2002 Shelf Assembly
Onsite/Remote
Security Level
The air filters are single-use only. They must not be cleaned and reused. This is a Telcordia NEBS
Note
requirement, GR-63-CORE Issue 4.
Air filters must be inspected every quarter after the initial six month inspection. If they are dirty or clogged
Note
with dust, they must be replaced with a new air filter.
Procedure
Step 1
Untighten the screw on the air-filter (see the figure below).
Figure 240: Replacing the Air Filter
1
Cisco NCS 2000 Series Hardware Installation Guide
442
Remote
Provisioning or higher
Air filter 2
Maintaining the NCS 2002, NCS 2006, and NCS 2015 Shelves
Screw