HPE ProLiant DL385 Gen10 Plus v2 Maintenance And Service Manual page 109

Prerequisites Prerequisites
Before you perform this procedure, make sure that you have the following items available:
T-15 screwdriver (for system board screws)
T-20 screwdriver for processor and heatsink screws
Alcohol wipe
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. Remove the server from the rack .
4. Remove all power supplies .
5. Remove the access panel .
6. Do one of the following:
Remove the air baffle .
Remove the midplane drive cage .
7. Remove the primary PCIe riser cage .
8. If installed, remove the secondary or tertiary PCIe riser cage ( Remove the secondary or tertiary PCIe riser cage ).
9. Remove the OCP network adapter .
10. Allow the existing heatsink to cool.
11. Remove the heatsink:
CAUTION: CAUTION:
To prevent mechanical damage or depositing oil on your hands or other contaminants to the heatsink contact
surface, hold the heatsink only by the edge of its baseplate. Do not touch the heatsink fins.
CAUTION: CAUTION:
Heatsink screws must be tightened and loosened in alternating sequence as shown on the heatsink label.
a. Use a T-20 screwdriver to loosen the captive screws in the sequence specified on the heatsink label.
b. Lift the heatsink away from the system board.
HPE ProLiant DL385 Gen10 Plus v2 Server Maintenance and Service Guide 109