HP ProLiant ML30 Gen10 Plus Maintenance And Service Manual page 70

If the server is in rack mode, remove the server from the rack .
5. Remove the access panel .
6. If installed, remove the air baffle .
7. If installed, remove the energy pack .
8. Remove the energy pack holders:
a. Push the latches inwards to release the holders on the bottom of the chassis.
b. Remove the energy pack holders from the chassis.
HPE ProLiant ML30 Gen10 Plus Server Maintenance and Service Guide 70