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S
W
UPER
ORKSTATION 7036A-T Manual
6-3
System Fans
A 9-cm chassis cooling fan housed in a fan duct is located just below the peripheral
drive bays to provide cool air intake for the system. A 12-cm exhaust fan in the
power supply pulls the cool air through the system and expels the hot air.
Fan Failure
Under normal operation, the chassis fan and the power supply fan both run continu-
ously. If the chassis fan fails, the system must be powered down before replacing
it. If the power supply fan fails, the power supply itself must be replaced.
Replacing System Fans
Identifying and accessing the fan
1.
First, check to see if it is the 9-cm fan at the front of the chassis that has
failed. If the 12-cm fan failed, the power supply will need replaced (see sec-
tion 6-5).
2.
Power down the system and remove the left chassis cover by fi rst removing
the two screws from the back lip of the cover.
3.
Push in the release tab on the cover and push the cover toward the rear of
the chassis until it stops (after moving about ½ inch). Then lift the cover out
and away from the chassis. (See Figure 2-1 for accessing the inside of the
chassis.)
Removing the fan duct assembly
1.
After removing the side chassis cover, release the clips that secure the fan
duct to the chassis. You can then pull the fan duct out from its location in the
chassis.
2.
Remove the four screws at the front of the fan duct that hold the fan in place.
Then release the two fasteners along the side of the fan duct.
3.
You can now separate it into two pieces and easily remove the fan (see Fig-
ure 6-3). Add a new fan of the same type (see step 3).
6-4
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