Dell PowerEdge XR12 Installation And Service Manual page 84

Steps
1. Ensure all four Anti-Tilt wires are in the locked position (outward position), and then using a Torx #T30 screwdriver, loosen
the screws on the heat sink in the order that is mentioned below:
a. Loosen the first screw.
b. Loosen the screw diagonally opposite to the screw you loosened first.
c. Repeat the procedure for the remaining two screws.
2. Set the Anti-Tilt wires to the unlocked position (inward position).
Figure 90. Loosening the screws and set the Anti-Tilt wires to the unlocked position
3. Lift the processor and heat sink module (PHM) from the system and set the PHM aside with the processor side facing up.
84 Installing and removing system components