Sun Oracle Fire X4440, Service Manual

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4-46 Sun Fire X4440 Server Service Manual • September 2010
FIGURE 4-20
Required Pattern for Thermal Grease Application
10. Smooth the grease into a thin even layer on top of the CPU. (
FIGURE 4-21
)
You can use a piece of plastic bag over your finger.
11. Orient the heat sink so that the two screws line up with the mounting inserts.
Ensure that the heat sink is oriented so that the"DIMM SIDE" label on the heat
sink is next to the DIMMs.
12. Tighten the two screws alternately one half turn until fully seated.
Each screw must be turned no more than one 1/2 turn before moving over to the
other screw and doing the same. Continue to turn each screw one 1/2 turn,
moving back and forth between the two screws until both screws are tightened.
13. Reinstall the mezzanine tray.
See Section 4.2.2, “Installing the Mezzanine Tray” on page 4-14 .
14. Return the server to operation.
a. Install the top cover.
See Section 6.1, “Installing the Top Cover” on page 6-2 .
b. Install the server into the rack.
See Section 6.2, “Reinstalling the Server in the Rack” on page 6-3 .
c. Reconnect the power cord (or cords) to the power supply (or supplies).
Verify that the AC Present LED is lit.
See Section 6.4, “Powering On the Server” on page 6-6 .
d. Power on the server.
See Section 6.4, “Powering On the Server” on page 6-6 .