HP ProLiant ML30 Gen10 Plus Maintenance And Service Manual page 66

To replace the component, reverse the removal procedure.
Removing and replacing the energy pack Removing and replacing the energy pack
Procedure Procedure
1. Power down the server.
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Disconnect all peripheral cables from the server.
4. Do one of the following:
If the server is in tower mode, place the server on a flat, level surface with the access panel facing up.
HPE ProLiant ML30 Gen10 Plus Server Maintenance and Service Guide 66