HP ProLiant ML350 Gen9 Maintenance And Service Manual page 46

For rack models, if installed, remove the security bezel
o
on page 28).
Power down the server (on page 29).
2.
Remove all power:
3.
Disconnect each power cord from the power source.
a.
Disconnect each power cord from the server.
b.
Do one of the following:
4.
For tower models, place the server on a flat, level surface with the access panel facing up.
o
For rack models, extend the server from the rack (on page 29).
o
Remove the access panel
5.
Remove the air baffle (on page 31).
6.
Remove the heatsink:
7.
Loosen one pair of diagonally opposite screws halfway, and then loosen the other pair of screws.
a.
Completely loosen all screws in the same sequence.
b.
Remove the heatsink from the processor backplate.
c.
("Access panel" on page 33).
("Remove the security bezel
Removal and replacement procedures 46
(optional)"