Dell PowerEdge T420 Owner's Manual - Page 77

Removing and Installing the Internal Cooling Fan

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1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and peripherals. 2. If applicable, rotate the system feet inward and lay the system on its side on a flat, stable surface. NOTE: For systems installed with the wheel assembly, ensure that you lay the system on a sturdy, stable surface with the wheel assembly extending off the edge of the surface. 3. Open the system. 4. Remove the cooling shroud. 5. Disconnect the internal cooling fan power cable from the system board. 6. Release the internal cooling fan power cable from the securing clips on the chassis and system board. CAUTION: Do not remove or install the internal cooling fan by holding the blades. 7. Press the release tab on the internal cooling fan and, holding the internal cooling fan by the sides, slide it out in the direction of the arrow marked on the fan. Figure 37. Removing and Installing the Internal Cooling Fan 1. arrow 2. internal cooling fan 3. internal cooling fan power cable 4. release tab 77

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1.
Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2.
If applicable, rotate the system feet inward and lay the system on its side on a flat, stable surface.
NOTE:
For systems installed with the wheel assembly, ensure that you lay the system on a sturdy, stable surface
with the wheel assembly extending off the edge of the surface.
3.
Open the system.
4.
Remove the cooling shroud.
5.
Disconnect the internal cooling fan power cable from the system board.
6.
Release the internal cooling fan power cable from the securing clips on the chassis and system board.
CAUTION: Do not remove or install the internal cooling fan by holding the blades.
7.
Press the release tab on the internal cooling fan and, holding the internal cooling fan by the sides, slide it out in the
direction of the arrow marked on the fan.
Figure 37. Removing and Installing the Internal Cooling Fan
1. arrow
2. internal cooling fan
3. internal cooling fan power cable
4. release tab
77