OPERATION IN SANDY OR DUSTY CLIMATES.

TM 9-2330-392-14&P 2-18. OPERATION IN SANDY OR DUSTY CLIMATES. a. Clean, inspect, and lubricate more often m sandy or dusty conditions. b. If necessary, reduce tire pressure when driving over loose sand. When reduced tire pressure is no longer necessary, or when tactical situation permits, return tires to normal pressure. 2-19. OPERATION IN SALTWATER AREAS. a. Clean, inspect, and lubricate more often in saltwater areas. b. Saltwater immersion will cause rapid rusting and corrosion of metal parts. After operation in saltwater, or when tactical situation permits, wash the trailer with fresh water. 2-20. OPERATION IN ROCKY TERRAIN. Use extreme caution when operating in rocky terrain. Ensure that tires are fully inflated to minimize damage to tires and tubes (para 1-11) 2-21. AT HALT/PARKING. a. For short shutdown periods, park in a sheltered spot out of the wind. For long shutdown periods, if high, dry ground is not available, prepare a footing of planks or brush b. Cover the trailer with canvas or tarpaulins, keeping the ends of the canvas off the ground to prevent freezing. 2-22. FORDING AND SWIMMING. a. Water obstacles can be forded up to a depth of 60 in. (152 4 cm). b. No special operation procedures are required for fording or swimming. 2-23. EMERGENCY PROCEDURES. a. The HMTs are equipped with runflat tires, allowing the trailer to be towed with one or both tires flat. b. Do not exceed 30 mph (48.3 km/h) during any runflat operation. Do not exceed 20 mph (32.2 km/h) for more than 30 miles (48.3 km) with both tires flat. c. A wheel assembly that has been run flat must be inspected and the tire replaced by Unit maintenance as soon as possible 2-16