11. If installed, remove the following components:
Chassis intrusion detection switch
Energy pack and energy pack holder
OCP NIC 3.0 adapter
Type-o storage controller
Serial port
Power supply
12. Remove the heatsink:
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.
a. Review the heatsink screw numbering on the heatsink label.
b. Loosen the heatsink screw numbers 6, 5, 4, and 3 in a diagonal manner (callouts 1 to 4).
c. Loosen the heatsink screw numbers 2 and 1 (callouts 5 and 6).