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84 Installing System Components
Removing the Cooling Fans
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before performing any
procedure, see your Product Information Guide for complete information about
safety precautions, working inside the computer and protecting against
electrostatic discharge.
1
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
2
Open the system. See "Opening the System" on page 47.
3
Disconnect the fan’s power cable from the system board.
4
If you are removing the smaller hard drive cooling fan (see Figure 3-23):
a
Squeeze the two release tabs together at the top of the fan cage that
attaches the fan to the chassis bracket mount.
b
Lift the fan out.
NOTE: The SAS hard drive cooling fan is present only if a SAS 6i/R integrated
controller card is installed.
5
If you are removing the larger processor cooling fan:
a
Remove the heat sink and shroud assembly. See "Removing the
Processor" on page 79. Do not remove the processor, however.
b
Press the side release tab that attaches the processor cooling fan to the
chassis (see Figure 3-24).
c
Press the bottom release tab and shift it forward to maneuver the
bottom securing tabs out of their mounting holes (see Figure 3-24).
d
Slide the fan toward the back panel and lift the fan out.
book.book Page 84 Wednesday, April 15, 2009 8:47 PM