UNCOUPLING TRAILER FROM TOWING VEHICLE.UNCOUPLING TRAILER FROM TOWING VEHICLE.UNCOUPLING TRAILER FROM TOWING VEHICLE.

TM 9-2330-392-14&P 2-14 Change 2 2-11 TOWING INSTRUCTIONS (Con't). CAUTION Sudden stops may cause drawbar to bend or buckle and may cause damage to hydraulic brake actuator assembly. d. Stopping. Always stop the towing vehicle by applying brakes gradually and smoothly. Do this whether or not the trailer is loaded. e. Parking. (1) When the towing vehicle and the trailer are to be left unattended, set the towing vehicle parking brakes, turn off the engine, and set wheel chocks (para 2-8.1). (2) Apply handbrakes. 2-12 UNCOUPLING TRAILER FROM TOWING VEHICLE. NOTE Park trailer on level ground if possible. Leave room at rear for loading or unloading of cargo if required. a. Apply handbrakes. b. Lower front support leg and lock into vertical position with locking pin. c. Disconnect intervehicular power cable, breakaway cable, and safety chains from towing vehicle. WARNING If trailer is loaded, rear stabilizers must be installed prior to opening HMMWV pintle hook. Fail- ure to follow this warning may result in injury to personnel or damage to equipment. d. If trailer is loaded, install rear stabilizers. e. Open pintle hitch on towing vehicle by removing safety pin and lifting top locking latch. WARNING Drawbar is heavy-up to 420 lb (190.5 kg) loaded tongue weight. Use the front support leg crank to raise and lower trailer drawbar. If support leg assembly is inoperative, remove load from trailer or use four or more persons to lift drawbar. Failure to follow this warning may result in serious injury to personnel or equipment damage. f. Crank the front support leg to raise the drawbar so that the lunette ring is clear of the pintle hook. CAUTION When operating the crank handle, do not force the front support leg beyond the normal operating range, or permanent damage may occur. g. Close the pintle hitch and reinsert the safety pin.