Fan 2, Low Voltage Power Supply (Exhaust) Figure 6-21 Fan 2, Low Voltage Power Supply 1 Remove the back cover (see figure 6-6 on page 167). 2 Remove the fan cable from the DC Controller PCA (figure 6-21, callout 1). 3 Remove 2 screws (figure 6-21, callout 2). 184 Chapter 6 Removal and Replacement C4085-91087