3.Release one tab (callout 1), and then remove the environmental sensor (callout 2). Figure 2-79Remove the main fan, fan duct, and the environmental sensor PCA (2 of 3)

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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 2-80Remove the main fan, fan duct, and the environmental sensor PCA (3 of 3)

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ENWW

Removal and replacement procedures 99