(3) To rig tailgate (5) to swing open at top for rocker-type operation, follow these
procedures for both ends of tailgate (5).
(a) Release harness hook (1) holding tailgate wing (2) in place.
(b) Swing wing (2) rearward.
Make sure chains (6) are secured in locking slots (3). Tailgate will
swing open freely.
(c) Remove retaining pin (4) and bring tailgate (5) down slowly.
(d) Install hinge pin (9) in tailgate wing groove (8).
(e) Install retaining pin (4) in upper hinge bracket (7).
d. Loading the Truck.
(1) To load dump truck from top, follow these procedures: