Replace The Power Supply Module The Cisco 4331 Router - Cisco 4000 Series Hardware Installation Manual

Remove and Replace Cisco 4000 Series ISRs Power Supplies
Replace the Power Supply Module on the Cisco 4331 Router
Read the
Step 1
perform the power supply module replacement.
Remove the four cover screws from the top of the chassis.
Step 2
The length of the cover screw on top of the chassis is shorter.
Note
Remove the two cover screws from each side of the chassis, and lift the cover away from the router
Step 3
chassis. See
Remove the fan tray. Follow the steps provided in the
Step 4
page
Step 5 Remove the power supply cable connector. See
Remove the two screws that secure the power supply module to the chassis.
Step 6
Pull the power supply module out of the chassis using the power supply tab. See
Step 7
Insert the replacement power supply module and align the power supply module into the slot.
Step 8
Tighten the two screws (torque 6 to 9 in-lb) that secure the power supply module to the chassis. See
Step 9
Figure
Connect the power supply cable connector.
Step 10
Insert the fan tray and gently push down until the spring-lock is latched and fully engaged onto the slot.
Step 11
Follow the steps provided in the
Connect the fan connectors on the motherboard. See
Step 12
Turn on the system power and verify that the power supply module is functioning normally.
Step 13
Turn off the system power before you cover over the chassis.
Step 14
Center the cover over the chassis and lower it onto the chassis.
Step 15
Install the four cover screws (torque 5 to 6 in-lb) on the top of the chassis and install the two cover screws
Step 16
(torque 5 to 6 in-lb) on each side of the chassis. See
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
5-52
"Safety Warnings" section on page 5-2
Figure 5-51.
5-63.
5-41.
Chapter 5
section, and turn off the system power before you
"Replace Fan Tray on Cisco 4331 ISR" section on
Figure 5-41.
"Replace Fan Tray on Cisco 4331 ISR" section on page
Figure
Figure
Install and Upgrade Internal Modules and FRUs
Figure
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