Dell EMC XC Core XC450 Installation And Service Manual page 50

Figure 44. Aligning pin 1 marks of processor with tray
NOTE: Ensure that to return the TIM break lever back to its original position.
4. Using your thumb and index finger, first hold the carrier release tab at the pin 1 connector, pull out the tip of the carrier
release tab, and then lift the carrier partially from the heat sink.
5. Repeat the procedure at the remaining three corners of the carrier.
6. After all the corners are released from the heat sink, lift the carrier from the pin 1 corner of the heat sink.
Figure 45. Removing the processor carrier
Next steps
Replace the processor into a processor and heat sink module
50 Installing and removing system components
(PHM).