MIL-T-46765 Trucks, Tank: Sewage And Waste, Dump Type, 4550 And 7570 Liter 1200 And 2000 Gallon, Modified CommercialThis specification covers diesel and gasoline engine driven trucks equipped with a hydraulic lift dump tank, an auxiliary engine driven centrifugal pump, and associated hoses and equipment for loading and unloading the dump tank with sewage and waste materials. The vehicle is capable of cleaning sewers, septic tanks, catch basins, manholes, and sludge pits. The trucks have minimum gross vehicle weights GVW of 11 350 kilograms kg 25,000 pounds in a four wheel, two wheel drive 4x2, 4550 liter L 1200 gallon size; and 15 650 kg 34,500 pounds in a six wheel, four wheel drive 6x4, 7570 L 2000 gallon size; for normal rating conditions. Vehicles procured under this specification are commercial items which are warranted by the manufacturer as specified in acquisition documents.

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MIL-T-46765(AT)

(c) All wiring shall be that which is commercially known as Type No.3, and shall be in conduit with threaded joints, having waterproof and vaporproof connections at the lamps and junction boxes, but shall not include boxes around lights.

3.5.16 Hose reel. A hose reel shall be furnished with 30.5 m (100 feet) of synthetic rubber hose to wash the vehicle and equipment. The hose shall withstand pressures of not less than

1035 kPa (150 psi).

3.5.17 Fresh water tank. A 114 L (30-gallon) freshwater tank shall be furnished and located in the cabinet in an accessible location. The fresh water tank shall provide a reservoir for sanitary cleaning purposes. A method for pressurizing the fresh water tank shall be provided.

The tank shall be fastened to cabinet brace reinforcements, and shall have a 25 mm (l-inch) brass

American Standard Taper pipe plug with thumb nut for the water inlet. The brass plug shall have a chain with one end attached to the brass pipe plug and the other end fastened to the tank. The tank outlet shall have a T-handle shut-off valve and connection for 13 mm (.50-inch) hose. The tank shall be provided with 7600 mm (25 feet) of 13 mm (.50-inch) id hose for sanitary cleaning purposes. A hose carrier fastened to the inside of cabinet for hose storage shall be provided.

3.5.18 Materials. All valves, eductor housing assembly, clamps, rings, fastening devices, and other materials that are in contact with sewage waste, shall be manufactured from corrosion resistant materials.

3.5.18.1 Dissimilar metals. All dissimilar metals shall be insulated from one another to prevent galvanic action or electrolytic action.

3.5.19 Lubrication system. A lubrication system shall be furnished with fittings for all bearings and other working parts which require relubrication for continued service.

3.5.20 Safety. All equipment or exposed portions of the equipment which are subject to extreme temperatures, and all rotating or reciprocating parts which are of such nature or so located as to become a hazard to operating personnel, shall be insulated, fully enclosed, or properly guarded.

3.5.21 Instruction plates. Metal plates, showing a schematic layout of all valves, valve controls, water pressure system, auxiliary engine, and equipment with full operating instructions, shall be fastened on the right front corner of the body near the operator's controls.

3.5.22 Drain plugs. Drain plugs shall be provided to completely drain the entire system.