HPE ProLiant ML350 Gen11

9. Set the anti-tilt wires to the unlocked position.
10. CAUTION:CAUTION:
To prevent mechanical damage or depositing oil on your hands or other contaminant to the heatsink contact surface,
hold the heatsink only by the edge of its base plate. Do not touch the heatsink fins.
Lift the processor-heatsink module straight up from the system board.
Standard heatsink
HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide 112