6 Remove two screws (callout 7) and remove the left shield plate (callout 8). 8 Slide the power supply assembly out slightly. 9 Disconnect two connectors: one from the SCB and one from the intermediate PCB. 10 Thread the power supply connector up through the sheet metal. 11 Remove the power supply assembly. To reinstall Make sure not to pinch any cables when reinstalling the left shield plate. When reinstalling the power supply assembly, the two screws go in the left and center holes. C8523-90921 PCB assemblies 167 7 8 Power supply assembly (5 of 6) 7 Remove two screws (callout 9). Figure 160. 9 Power supply assembly (6 of 6)