Dell EMC PowerEdge R740xd2 Installation and Service Manual

Removing a processor and heat sink module

WARNING:The heat sink may remain hot to touch for some time after the system is powered down. Allow the heat sink to cool before removing it.

Follow the safety guidelines listed in Safety instructions.
Power off the system and all attached peripherals.
Disconnect the system from the electrical outlet, and disconnect the peripherals.
Open the drive bays, remove all drives, and then close the drive bays.
Remove the power supply units.
Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide available at https://www.dell.com/poweredgemanuals.
Remove the system cover.
Remove the air shroud.
If installed, remove the rear drive cage.
If installed, remove the risers.

Using a Torx #T30 screwdriver, loosen the screws on the heat sink in the order below:
1. Loosen the first screw three turns.
2. Loosen the second screw completely.
3. Return to the first screw and loosen it completely.
Pushing both blue retention clips simultaneously, lift the processor and heat sink module (PHM) processor and heat sink module.
Set the PHM aside with the processor side facing up.
Figure 1. Removing a processor and heat sink module