1-10 Dell PowerEdge 2450 Systems Information Update
%'!"!#$ %&2. Replace the air blower, if it was removed in step 3 of the previous procedure (see
Figure 1-3).
a. Position your right thumb on the outside of the power supply enclosure
beside the narrower front part of the air blower.
b. Push firmly on the power supply enclosure to move it slightly toward the
power supplies, allowing extra clearance to install the air blower.
c. Hold the air blower above the heat sink while tilting the back of the air blower
slightly down and toward the back of the chassis.
d. Slide the metal tab at the back right of the air blower carefully into the
topmost slot at the top back of the chassis.
e. With your left hand, push down firmly on the front of the air blower until you
hear it snap into place.
f. Make sure that the top of the air blower is level; if it is not level, lift out the air
blower and reinstall it making sure the tab goes into the slot at the very top
of the back chassis.
g. Plug in the Y-shaped blower power cable to the connector on the interposer
board.
3. Replace the system cover.
4. Reconnect your system and peripherals to their power sources.
heat sink
SEC cartridge
tab
guide-bracket
assembly