HP proliant DL160SE G6 Maintenance And Service Manual page 85

To remove the non-hot-plug power supply:
Loosen the two screws that secure the power supply, which are located beneath the chassis.
1.
Figure 78
Loosening the Two Screws beneath the Chassis
Loosen the screws that secure the power supply to the chassis.
2.
Pull and lift the power supply out of the chassis.
3.
Figure 79
Removing the Non-hot-plug Power Supply
To reinstall the non-hot-plug power supply:
Locate and push the power supply to the proper place in the chassis.
1.
Fasten the power supply to the chassis using the screws as shown in the figure below.
2.
Removal and replacement procedures 85