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Next, place shoulder spacer (V) and hex bo!t (U) through tow bar and frame. Secure with hex nut (W). See figure 15. Repeat for other side. 3. Secure the two tow bar ends together with truss machine screw (X), lock washer (Y) and hex nut (Z). See figure 15. To attach the tow bar to a hitch, place the shouldf bolt (AA) up through the tow bar. Place one bellevi^ washer (AB) on the shoulder bolt, then the hitch plate and the other belleville washer. Cupped side of the washers must be against the h