TM 10-4610-215-24TM 08580A-24/21–9. (ARMY) FLATBED CARGO TRAILER AND FRAME. The flatbed cargo trailer and frame is designed toprovide a mobile platform for the 600 GPH Water Purification Unit. The unit is capable of being transported byroad, rail, or air including helicopter. The trailer, when being transported by road, is towed by a towing vehiclethrough a lunette/pintle hookup. The trailer has four leveling jacks with swivels, one on each com ner, and isequipped with a spare wheel and tire carrier. The trailer incorporates service brakes which are air-actuated andoperated from the towing vehicle through an integral set of hoses. The trailer brake system also includesemergency and automatic parking brake functions that are activated when the air hoses are disconnected fromthe towing vehicle. An air tank is installed for the purpose of reserving air for this system when the trailer isdisconnected from the towing vehicle. A 24-volt electrical system consisting of one composite blackout–stoplightassembly, and two stoplight–tail light assemblies is installed on the trailer. Power is supplied through a cableconnected to the electrical system of the towing vehicle. The trailer suspension consists of two axles in tandem,supported on leaf springs attached to an axle trunnion. The all-steel frame has one vertical parachuteattachment/sling lifting eye on each corner, and one horizontal air-drop platform/transport tie-down on eachcorner; as well as having four (4) air-drop platform tie-down rings attached to each of the two main beamsexposed on the trailers underside. The frame houses the 600 GPH Water Purification Unit and and is capable ofbeing separated from the trailer and transported or air lifted as an independent unit.Figures 1–5 and 1-6 show the location of the trailer’s major components. The front view shows the location of theadjustable Lunette, lubrication plate, the safety step, air brake hoses, electrical cable, a front view of the frame, thefront leveling jack, swivel assembly, the vehicle identification plate, and the safety chain assembly. The rear viewshows the location of the stoplight-tail light assemblies, the blackout stoplight assemblies, spare tire carrier, arear view of the frame, suspension assembly, wheel assembly, air brake assembly, and rear leveling jack.The USMC ROWPU is skid mounted but the frame is the same as shown in figures 1–5 and 1-6.1-10. OUTLYING PUMPS.a. General.The ROWPU has four pumps (figure 1–7). These pumps are mounted On welded frames thatprotect them during transportation on the ROWPU. The frames also serve as operating bases for the pumps andprovide storage space for the power cables.b. Raw Water Pumps. Each ROWPU has two identical raw water pumps. These pumps remove raw waterfrom a source and supply it to the ROWPU.c. BackwashPump.The backwash pump is used to pump water from the brine water tank upwards throughthe multimedia fitter. This process flushes out the particles that collect in the multimedia filter during normaloperation.d. DistributionPump. The distribution pump delivers drinkable water from the product water storage tanks tothe users.1-8
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