Replacing The Air Filter On A Cisco 7609 Router And The Cisco 7609-S Router (Optional) - Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual

Chapter 5 Removal and Replacement Procedures
Figure 5-130
1
Note Cisco Systems recommends that air filters be changed every three months.
Replacing the Air Filter on a Cisco 7609 Router and the Cisco
7609-S Router (Optional)
Loosen the two fastening screws as shown in
Step 1
support loops (see
Remove the inner filter retainer from the filter cage assembly (see
Step 2
loops and carefully sliding filter retainer outwards.
OL-4503-26
Installing the Filter Assembly
o
INPUT FAN
OUTPU T
OK
OK
FAIL
Thumbscrews
Figure 5-127).

Replacing the Air Filter on a Cisco 7609 Router and the Cisco 7609-S Router (Optional)

o
INPUT
FAN OUTPU T
OK OK
FAIL
2 Fastening screw
Figure 5-130
Cisco 7600 Series Router Installation Guide
1
2
1
and lift the filter cage assembly off of the
Figure 5-131) by depressing the thumb
5-131