Removing A Heat Sink - Dell PowerEdge R930 Owner's Manual

Removing a heat sink

Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
NOTE: This is a Field Replaceable Unit (FRU). Removal and installation procedures should be performed only by Dell certified
service technicians.
CAUTION: Never remove the heat sink from a processor unless you intend to remove the processor. The heat sink is necessary
to maintain proper thermal conditions.
NOTE: To ensure proper system cooling, you must install a processor blank and heat sink blank in any empty processor socket.
1 Follow the safety guidelines listed in the Safety instructions section.
2 Follow the procedure listed in the Before working inside your system.
3 Keep the Phillips #2 screwdriver ready.
4 Remove the following:
a Cooling fans
b Memory risers
c Memory riser and fan cage
d Cable management tray
e Fan tray
WARNING: The heat sink is hot to touch for some time after the system has been powered down. Allow the heat sink to cool
before removing it.
Steps
1 Loosen one of the screws that secure the heat sink to the system board.
Allow some time (approximately 30 seconds) for the heat sink to loosen from the processor.
2 Remove the screw diagonally opposite the screw you first removed.
3 Repeat the procedure for the remaining two screws.
Figure 70. Removing the heat sink
1 heat sink
132 Installing and removing system components
2 retention screws (4)