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3. Release one tab (callout 1), and then remove the environmental sensor (callout 2).
Figure 2-79 Remove the main fan, fan duct, and the environmental sensor PCA (2 of 3)
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2
4. To remove the main fan only: Release two tabs (callout 1), and then remove the main fan.
To remove the main fan and fan duct: Remove one screw (callout 2), and then remove the main
fan and fan duct together.
Reinstallation tip If only the main fan was removed: When the fan is reinstalled, the air must
flow into the product. Make sure that the label side of the fan is toward the inside of the product
when the fan is reinstalled.
Figure 2-80 Remove the main fan, fan duct, and the environmental sensor PCA (3 of 3)
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ENWW Removal and replacement procedures 99