Dell PowerEdge R750 EMC Installation and Service Manual - Page 109

To avoid damaging the fins on the heat sink, do not press down on the heat sink fins.

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2. Align the pin 1 indicator of the heat sink to the system board, and then place the processor heat sink module (PHM) on the processor socket. CAUTION: To avoid damaging the fins on the heat sink, do not press down on the heat sink fins. NOTE: Ensure that the PHM is held parallel to the system board to prevent damaging the components. Figure 108. Installing the processor heat sink 3. Set the anti-tilt wires to the locked position (outward position), and then using the Torx #T30 screwdriver, tighten the screws (12 in-lbf) on the PHM: 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. Installing and removing system components 109

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2.
Align the pin 1 indicator of the heat sink to the system board, and then place the processor heat sink module (PHM) on the
processor socket.
CAUTION:
To avoid damaging the fins on the heat sink, do not press down on the heat sink fins.
NOTE:
Ensure that the PHM is held parallel to the system board to prevent damaging the components.
Figure 108. Installing the processor heat sink
3.
Set the anti-tilt wires to the locked position (outward position), and then using the Torx #T30 screwdriver, tighten the
screws (12 in-lbf) on the PHM:
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.
Installing and removing system components
109