Replacing The Cisco 3900 Series Air Filter - Cisco 2900 series Installation Manual

Chapter 5 Installing and Upgrading Internal Modules and FRUs
Figure 5-36
1
Loosen the four captive screws on the fan tray.
Step 3
Pull out the fan tray.
Step 4
Insert the replacement fan tray, and tighten the four captive screws as shown in
Step 5
Figure 5-37 Cisco 3900 Series Fan Tray Replacement
Snap the bezel in place.
Step 6

Replacing the Cisco 3900 Series Air Filter

Perform the following steps to replace the air filter:
Read the
Step 1
perform any module replacement.
Unsnap the bezel by pulling it straight out from the chassis. See
Step 2
OL-18712-03
Removing the Cisco 3900 Series Router Bezel
1
SY S
Bezel
"Safety Warnings" section on page 5-2
AC T SY S
AU X
PW R1 SY S
PW R1 AU X
PW R2
PW R2
C is co 39
section and disconnect the power supply before you
Cisco 2900 Series and 3900 Series Hardware Installation Guide
Replacing a Fan Tray or Air Filter
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Figure
Figure 5-38.
5-37.
5-49