Fan 4, Delivery Unit (Exhaust) Figure 6-23 Fan 4, Delivery Unit 1 Remove the top cover (see figure 6-10). 2 Unplug the fan cable (figure 6-23, callout 1). 3 Remove 1 screw (figure 6-23, callout 2), and remove the metal fan shield. 4 Release 4 retainer clips (figure 6-23, callout 3), and slide the fan forward out of the Delivery Unit Assembly. 186 Chapter 6 Removal and Replacement C4085-91087