Dell EMC XC Core XC450, Installation And Service Manual

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Figure 51. Installing the processor and heat sink (PHM)
3. Set the Anti-Tilt wires to the locked position (outward position), and then using the Torx #T30 screwdriver, tighten the
screws (8 in-lbf) on the heat sink in the order below:
a. Tighten the first screw three turns.
b. Tighten the screw diagonally opposite to the screw you tighten first.
c. Repeat the procedure for the remaining two screws.
d. Return to the first screw to tighten it completely.
Figure 52. Set the Anti-Tilt wires to the locked position and tightening the screws
Installing and removing system components 55