LOADING AND UNLOADING ABLE PAYLOADS (CONT)
(33) Gooseneck/aft spotter must guide payload operator until firm contact with payload chock (9) on streetside has
Failure to set the payload parking brake could allow the payload to roll backward
causing injury to personnel and damage to equipment.
(34) Payload operator must apply payload parking brakes.
(35) Chock streetside rear of payload with rear streetside payload chock (9) with two sheets (8) attached. Make
sure sheets are positioned flush against side of platform to prevent inward shifting of chocks.
(36) Adjust platform to normal running height as follows:
(a) Release semitrailer parking brakes by pushing inward on knob of brake release valve (28).
(b) Adjust platform height (para. 2-19) to normal running height of 43 inches (109 cm). Using bed height
indicators, check each corner of platform for a height of 43 inches (109 cm).
(c) Apply semitrailer parking brakes by pulling outward on knob of brake release valve (28).
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