Heat Sink - Dell Precision 3930 Rack Service Manual

b Air duct
6 Follow the procedure in

Heat sink

Removing heat sink
1 Follow the procedure in
WARNING: Allow the heat sink to cool after you power off the system.
2 Remove the:
a Top cover
b Air duct
3 To remove the heat sink:
a Loosen the 4 captive screws that secure the heat sink and lift it away from the system.
NOTE: Ensure that the screw is completely loosened before moving on to the next screw.
NOTE: Loosen the screws in a sequential order (1,2,3,4) as shown on the heat sink label.
Installing heat sink
1 To install the heat sink:
NOTE: If using an existing heat sink, remove the thermal grease from the heat sink by using a clean lint-free cloth.
CAUTION: Insure the airflow indicator on the heat sink label is in the correct direction.
a Align the heat sink onto the processor.
After working inside your computer.
Before working inside your computer.
Removing and installing components 39