Replacing The Air Filter; Replacing An Air Filter In A Chassis That Uses A Filter Tray - Cisco 10008 Hardware Installation Manual

Chapter 5 Maintaining the Cisco 10008 Router

Replacing the Air Filter

If the air filter is dirty or clogged, the blower module could have a problem providing sufficient cooling
air flow throughout the chassis, causing the system to overheat. To prevent a potential overheating
problem, you should replace the air filter every 6 months. In certain environments where the air quality
is poor, you may have to replace the filter more frequently.
There are two types of air filters used in the Cisco 10008 chassis. Original model chassis use captive
screws to hold the filter in a tray, while later model chassis use spring tabs to hold the filter in place
without the need for a tray. The following procedures describe how to replace each type of air filter.
Note The following illustrations show the cable management bracket removed for clarity.

Replacing an Air Filter in a Chassis that Uses a Filter Tray

Use the following procedure to remove and replace an air filter in a chassis that uses a filter tray:
Figure 5-5
PO W ER
FA UL T
M IS W IR
1
Remove the front cover if necessary (see
Step 1
Move any interface cables from the cable brackets on the blower module so they are out of your work
Step 2
area, and then remove the cable brackets from the blower
Step 3 Loosen the captive screws on each side of the blower module and disengage the module
Power to the blower will become disconnected.
Step 4 Loosen the captive screws on the air filter tray
OL-0659-13
Loosening the Air Filter Tray Captive Screws
E
P R O C
1
Filter tray captive screw
E S S O R
O N LY
Front Cover Procedures, page
(Figure 5-5).
Cisco 10008 Router Hardware Installation Guide
Removing and Replacing Field-Replaceable Units
5-4).
(Figure 5-10).
(Figure 5-11).
5-7