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Chapter 4
Replace Components
Replace the Power Supply
Unit
44
Follow these steps to replace the power supply unit (PSU).
IMPORTANT
Use an anti-static 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
page
36.
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
90.
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-UM002F-EN-P - May 2018
Pre-configuration on page
Remove the Cover on
Install I/O Card Retention Bracket on
34.
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