IBM ThinkCentre 8105 Hardware Replacement Manual page 22

14
Hardware Replacement Guide
5. Remove the heat sink 1 from the system board by pivoting the lever 2
securing the heat sink until it is fully in the up position. Carefully lift the heat
sink off of the system board.
6. Release the lever 3 securing the microprocessor 2 then pivot the
microprocessor retainer 1 until it is fully open.
7. Use the vacuum pen 1 to remove the microprocessor from the system board
socket by lifting it out of the socket.