Lenovo ThinkStation P320 Hardware Maintenance Manual page 117

Figure 82. Removing the power supply assembly
8. Ensure that the new power supply assembly is the correct replacement.
9. Install the new power supply assembly into the chassis so that the screw holes in the new power supply
assembly are aligned with the corresponding holes in the rear of the chassis. Then, install the three
screws to secure the new power supply assembly in place.
Note: Use only screws provided by Lenovo.
.
Chapter 8 Hardware removal and installation
109