Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 260

Cleaning or Replacing the Chassis Air Filter and Intake Panel
Figure 5-131
1
3
5
Remove the foam filter and place a new foam filter over the filter retainer (see
Step 3
Slide retainer and filter into cage assembly.
Step 4
Install filter assembly with tabs facing the floor as follows:
Step 5
a.
b.
c.
Cisco Systems recommends that air filters be changed every three months.
Note
Cleaning or Replacing the Chassis Air Filter and Intake Panel
The Cisco 7609 Router and the Cisco 7609-S Router are equipped a user-serviceable air filter that
removes dust drawn into the router and intake panel . One time per month (or more often in environments
where routers are prone to dust particles), examine the air filter and intake panel for damage and
cleanliness.
Cisco 7600 Series Router Installation Guide
5-132
Replacing the Foam Filter on the Filter Retainer
2
1
4
Filter cage assembly
Filter retainer
Thumb loops
Fit tabs (see Figure 5-129) on bottom of filter cage assembly into lower support loops (see
Figure 5-127).
Rotate the filter assembly towards the intake panel (see
Tighten two fastening screws.
Chapter 5
3
2 Filter
4 Tabs (on rear of filter cage assembly)
Figure
Removal and Replacement Procedures
5
Figure 5-131).
5-130).
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