Dell EMC PowerEdge R650 Installation And Service Manual page 72

NOTE: The heat sink and processor are hot to touch for some time after the system has been powered down. Allow the
processor heat sink module (PHM) to cool down before handling them.
Steps
1. Ensure all four anti-tilt wires are in the locked position (outward position),using a Torx #T30 screwdriver, loosen the captive
screws on the PHM n the order below:
a. Loosen the first screw three turns.
b. Loosen the screw diagonally opposite to the screw you loosened first.
c. Repeat the procedure for the remaining two screws.
d. Return to the first screw and loosen it completely.
2. Set all the anti-tilt wires to unlocked position (inward position).
Figure 56. Loosening the screws and set the anti-tilt wires to the unlocked position
3. Lift the PHM from the system and set the PHM aside with the processor side facing up.
72 Installing and removing system components