HP ProLiant DL560 Gen11 User Manual page 97

2. Remove the ground wire screw (callout 1), and then remove the positive return wire and negative input wire screws (callout 2).
3. Attach the ground wire (green and yellow) to the DC power supply (callout 1) and tighten the screw and washer with 1.47 N-m (13 lbf-in
) (callout 2).
HPE ProLiant DL560 Gen11 Server User Guide 97