Replace The Power Supply Unit - Allen-Bradley 6177R-MM User Manual

Chapter 4 Replace Components
Replace the Power Supply
Unit
46
Follow these steps to replace the power supply unit (PSU).
IMPORTANT Use an antistatic wriststrap that is connected to the work surface, and properly
grounded tools and equipment when you handle internal computer
components.
1. Follow the steps for
2. Remove the computer cover as detailed in
38.
3. For 750R computers, lay the computer on its side (components
showing).
4. Remove the factory-installed chassis cross member or optional I/O card
retention bracket as detailed in
page 92.
5. Cut the cable ties with side cutters in the following locations.
ATTENTION: The photo shows a 1450R computer, which has six
cable ties to cut. The circle with blue line is the cable tie to the PCI
expansion board, which does not apply to 750R computers.
Rockwell Automation Publication 6177R-UM002E-EN-P - March 2017
Pre-configuration on page
Remove the Cover on page
Install I/O Card Retention Bracket on
36.