2-12. UNCOUPLING TRAILER FROM TOWING VEHICLE.
a. Lower front and rear leveling jacks to park position (para 2-13).
b. Position two wheel chocks behind rearmost tires.
c. Apply handbrakes by moving two handbrake levers (1) forward.
d. Disconnect intervehicular cable assembly connector (2) from towing vehicle electrical receptacle and
stow in clip (3).
e. If air/hydraulic brakes were used, disconnect emergency air coupling (5) and service air coupling (4) from
towing vehicle air couplings. Stow in two stowage brackets (6). Close towing vehicle shut-off valves (refer to towing
vehicle's operator's manual).