HP ProLiant XL270d Gen9 Maintenance And Service Manual page 45

15. Remove the riser cross bracket.
16. Remove the power riser.
17. Remove the PCI riser modules.
18. Remove the management riser assembly.
19. Remove the DC power cable assembly.
20. Disconnect all other cables from the power distribution board.
21. Remove the power distribution board:
a. Pull up the pin.
b. Slide the PDB to the front of the server and remove it from the server.
To replace the component, reverse the removal procedure.
Removal and replacement procedures 45