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Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Cleaning or Replacing the Chassis Air Filter and Intake Panel
Figure 5-131 Replacing the Foam Filter on the Filter Retainer
Step 3 Remove the foam filter and place a new foam filter over the filter retainer (see Figure 5-131).
Step 4 Slide retainer and filter into cage assembly.
Step 5 Install filter assembly with tabs facing the floor as follows:
a. Fit tabs (see Figure 5-129) on bottom of filter cage assembly into lower support loops (see
Figure 5-127).
b. Rotate the filter assembly towards the intake panel (see Figure 5-130).
c. Tighten two fastening screws.
Note Cisco Systems recommends that air filters be changed every three months.
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.
1 Filter cage assembly 2 Filter
3 Filter retainer 4 Tabs (on rear of filter cage assembly)
5 Thumb loops
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