Installing The Chassis Air Filter - Cisco Carrier Routing System CRS-1 Installation Manual

Chapter 3 Installing and Removing Air Circulation Components
Required Tools and Equipment
You need the following tools to perform this task:
•
•
Steps
To remove a fan tray, follow these steps:
Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection
Step 1
sockets on the rear (SFC) side of the chassis or a bare metal surface on the chassis.
Using the large flat-blade screwdriver, loosen the four captive screws on the fan tray (one for each
Step 2
corner).
Caution
Grasp the fan tray by the handles and pull it gently straight out to disconnect the fan tray from the
Step 3
connector mounted on the back of the fan tray.
Remove the fan tray completely from the fan tray bay. Set the fan tray safely aside.
Step 4
Caution

Installing the Chassis Air Filter

This section describes how to install the air filter in the Cisco CRS 4-slot line card chassis. For further
information, see the
on regulatory compliance and safety, see Cisco CRS Carrier Routing System Regulatory Compliance
and Safety Information.
The Cisco CRS 4-slot line card chassis has a serviceable air filter that plugs into the front (PLIM) side
of the chassis (see item 1 in
access is hidden by the lower chassis grille.
OL-10971-10
ESD-preventive wrist strap
Large flat-blade screwdriver
A fan tray weighs about 16 lb (7 kg.). Use two hands when handling a fan tray.
Do not set the fan tray down on the connector; doing so could damage it.
"About Line Card Chassis Airflow" section on page
Figure
Cisco CRS Carrier Routing System 4-Slot Line Card Chassis Installation Guide
How to Install or Remove Air Circulation Components
3-5) just inside the air intake slot. During operation, the air filter
3-1. For complete information
3-7