3-14 DATASONICSVolume I System Manual June 19982. Refer to Figure 3-4 and position a tail fin as shown. Then carefully slide itinto one of the three available slots, pushing it into the slot until the notchat the bottom of the tail fin engages with the stud at the bottom of the slot.Figure 3-4 Installing the Tow Vehicle Tail Fins3. Tighten the corresponding socket head screw. Do not overtighten.4. Repeat Steps 2 and 3 for the remaining two tail fins.TAIL FIN (3)SLOT INTAIL FINSTUD IN BOTTOMOF TOW VEHICLESLOT (3)SOCKET HEAD SCREWRESTS AGAINST TAILFIN (3)