HP ProLiant ML30 Gen10 Plus Maintenance And Service Manual page 64

If the server is in rack mode, remove the server from the rack .
5. Remove the front bezel .
6. Remove the access panel .
7. Remove the air baffle .
8. If needed, disconnect any system cables that might be blocking access to the bottom side of the drive cage.
9. Disconnect the PCI fan cable .
10. Remove the PCI fan:
a. Remove the fan screws (callout 1).
b. Remove the fan from the chassis (callout 2).
To replace the component, reverse the removal procedure.
HPE ProLiant ML30 Gen10 Plus Server Maintenance and Service Guide 64