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Cisco CRS-1 Carrier Routing System 8-Slot Line Card Chassis Installation Guide
OL-6256-08
Chapter 3 Installing and Removing Air Circulation Components
How to Install or Remove Air Circulation Components
Figure 3-9 Power Module Air Filter
Prerequisites
Before performing this task, you must first remove any front cover plates.
Caution Never operate the Cisco CRS-1 8-slot line card chassis without an air filter. Doing so can result in
damage to the hardware.
Required Tools and Equipment
You need the following tools to perform this task:
• ESD-preventive wrist strap
• Medium flat-blade screwdriver
Steps
To remove a power module air filter, follow these steps:
Step 1 Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection
sockets on the front (PLIM) side of the chassis or a bare metal surface on the chassis.
Step 2 Place the screwdriver under the edge of the air filter clip-on holder.
Step 3 Gently pry the holder loose with the screwdriver; it should pop off easily.
Step 4 Remove the air filter from the front of the power module and set it carefully aside.
1 Power module air filter 2 Air filter clip-on holder
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