Replace The Power Supply Module From The Cisco 4331 Router - Cisco 4451 ISR Hardware Installation Manual

Chapter 6 Install and Upgrade Internal Modules and FRUs

Replace the Power Supply Module from the Cisco 4331 Router

To replace a power supply module from the Cisco 4331 router:
Step 1
Read the
perform the power supply module replacement.
Step 2
Remove the four cover screws from the top of the chassis.
Note
The length of the cover screw on top of the chassis is shorter.
Step 3
Remove the two cover screws from each side of the chassis and lift the cover away from the router
chassis. See
Step 4
Remove the fan tray. Follow the steps provided in the
page
Step 5
Remove the power supply cable connector. See
Step 6
Remove the two screws that secure the power supply module to the chassis.
Step 7
Pull the power supply module out of the chassis using the power supply tab. See
Step 8
Insert the replacement power supply module and align the power supply module into the slot.
Step 9
Tighten the two screws (torque 6 to 9 in-lb) that secure the power supply module to the chassis. See
Figure
Step 10
Connect the power supply cable connector.
Step 11
Insert the fan tray and gently push down until the spring-lock is latched and fully engaged onto the slot.
Follow the steps provided in the
Step 12
Connect the fan connectors on the motherboard. See
Step 13
Turn on the system power and verify that the power supply module is functioning normally.
Step 14
Turn off the system power before you cover over the chassis.
Step 15
Center the cover over the chassis and lower it onto the chassis.
Step 16
Install the four cover screws (torque 5 to 6 in-lb) on the top of the chassis and install the two cover screws
(torque 5 to 6 in-lb) on each side of the chassis. See
OL-32185-02
"Safety Warnings" section on page 6-2
Figure 6-45.
6-60.
6-36.
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
Remove and Replace Cisco 4000 Series ISRs Power Supplies
section and turn off the system power before you
"Replace Fan Tray on Cisco 4331 ISR" section on
Figure 6-36.
"Replace Fan Tray on Cisco 4331 ISR" section on page
Figure
Figure
Figure
6-46.
6-45.
6-36.
6-60.
6-49