Removing A Power Tray Air Filter - Cisco Carrier Routing System CRS-1 Installation Manual

How to Install or Remove Air Circulation Components
Reinstall the lower chassis grille:
Step 4
a.
b.

Removing a Power Tray Air Filter

This section describes how to remove a power tray air filter. For further information, see the
Card Chassis Airflow" section on page
safety, see Regulatory Compliance and Safety Information for the Cisco CRS Carrier Routing System.
The power tray has a serviceable air filter that is inserted into the lower chassis grille, just in front of the
power tray (see item 4 in
Figure 3-8
1 Chassis air filter
2 Air intake grille
Prerequisites
No prerequisites exist for this task.
Never operate the line card chassis without an air filter. Doing so can result in damage to the hardware.
Caution
Cisco CRS Carrier Routing System 4-Slot Line Card Chassis Installation Guide
3-12
Position the grille in front of the air intake slot on the lower front side of the chassis and press it
gently into place. Make sure that you align the guide pins on the lower corners of the grille with the
guide pin holes on the chassis.
Use a medium flat-blade screwdriver to tighten the two captive screws (on for each side) that hold
the grille to the front of the chassis.
Figure
Power Tray Air Filter
Chapter 3
3-1. For complete information on regulatory compliance and
3-8).
3 Power tray and power modules
4 Power tray air filter
Installing and Removing Air Circulation Components
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