CHAPTER 20
Maintaining the Air Filter in the Cisco cBR
Chassis
• Removing the Air Filter on a Card, on page 235
• Installing the Air Filter on a Card, on page 237
Removing the Air Filter on a Card
Attach an ESD-preventive wrist strap to your wrist and connect its end to the grounding lug that is connected
to the chassis.
Note
Before you begin
Required Tools and Equipment
• ESD-preventive Wrist Strap
• 3/16” Flat-blade Torque Screwdriver
Step 1 Check whether the captive screws on the card are secure and tightened to a torque of 10 to 12 lb-in. The red band on the
captive screw should not be visible. If the screws are not secure, traffic may get interrupted.
Step 2 To remove the air filter from the card, use your finger to pinch the handle at the middle of the air filter and pull the air
filter until it separates from the card.
Cisco Converged Broadband Routers Hardware Installation Guide
235
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