Main fan, fan duct, and environmental sensor

WARNING! ESD sensitive component.

Use the steps in this procedure to remove only the environmental sensor, or the sensor and the main fan.

1.Before proceeding, remove the following components:

●DIMM cover. See DIMM cover and DIMM on page 57.

●Formatter cover. See Formatter cover and formatter PCA on page 60.

●Top-right cover. See Top-right cover on page 73.

●Control panel. See Control panel on page 74.

●Front-right and right-side cover assembly. See Front-right and right-side cover assembly on page 76.

2.To remove the main fan, fan duct, and the environmental sensor: Disconnect two connectors (callout 1 and callout 2), and then release the wire harnesses from the retainers (callout 3).

To remove the environmental sensor only: Disconnect one connector (callout 1) and release the wire harness from the retainers (callout 3).

Figure 2-78Remove the main fan, fan duct, and the environmental sensor PCA (1 of 3)

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98 Chapter 2 Removal and replacement

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