C H A P T E R
16
Replacing the Chassis Air Filter
The lower fan tray draws air into the chassis. It is equipped with a particulate air filter to prevent dust and
debris from entering the system. The air filter must be changed periodically to ensure proper ventilation and
air flow through the chassis.
The air filter (ASR5K-FLTR-AIR=) should be replaced at least every six months. Keep a minimum of
one replacement air filter on site for each deployed chassis. This ensures that qualified service personnel
can quickly replace the filter when needed. The filter should be replaced during a maintenance window.
Important
During installation, maintenance, and/or removal, wear a grounding wrist strap to avoid ESD damage to
the components. Failure to do so could result in damage to sensitive electronic components and potentially
void your warranty.
Caution
This chapter includes the following sections:
•
Determining When an Air Filter Needs Replacing, page 191
•
Removing the Air Filter, page 192
•
Installing the Air Filter, page 194
Determining When an Air Filter Needs Replacing
If the air filter is replaced at least every six months as preventive maintenance, there should be no need for
out-of-cycle replacement. However, under certain conditions the air filter may need replacement between
maintenance periods.
One possible indication that an air filter needs to be replaced is if the chassis temperature remains high for
extended periods of time. This condition causes the dual-speed fans to run at high speed. A clogged and dirty
air filter hinders air flow through the chassis resulting in higher operating temperatures.
To monitor chassis temperature and fan speed, issue the following CLI command in the Exec mode:
show fans
ASR 5000 Installation Guide
191
Summary of Contents for ASR 5000
Page 16: ...ASR 5000 Installation Guide xvi About this Guide Contacting Customer Support ...
Page 64: ...ASR 5000 Installation Guide 48 Installation Procedure Overview Laser Notice ...
Page 100: ...ASR 5000 Installation Guide 84 Line Card Installation Installing the XGLC ...
Page 122: ...ASR 5000 Installation Guide 106 Cabling the Fast Ethernet 10 100 Line Card FLC2 Interfaces ...
Page 206: ...ASR 5000 Installation Guide 190 Removing and Installing SMC PC Cards Removing PC Cards ...
Page 212: ...ASR 5000 Installation Guide 196 Replacing the Chassis Air Filter Installing the Air Filter ...
Page 220: ...ASR 5000 Installation Guide 204 Replacing a Power Filter Unit What to do with the Failed PFU ...
Page 266: ...ASR 5000 Installation Guide 250 Safety Electrical and EMC Certifications Korean EMC ...
Page 270: ...ASR 5000 Installation Guide 254 Environmental Specifications Chassis Air Flow ...