TM 5-5420-209-12b. Transporter.The transporter (fig. 1-2) is a modified U.S. Army M812 truck chassis or a modified U.S. Army M945truck chassis which provides a self-contained unit for transporting, launching, and retrieving the bays and the boats. An11,000-pound capacity winch works in conjunction with the boom to provide loading and unloading capacity.Figure 1-2. Transporter.c. InteriorBay.Each bridge interior bay (fig. 1-3) is a 4-ponton folding module consisting of two roadway pontonsand two bow pontons. The two interior roadway pontons are joined to each other and to the adjacent pontons by latches,hinges and pins. The roadway pontons are the main load carrying structure of the bridge. Each ponton is divided intotwo watertight compartments.d. RampBay.The construction of the ramp bay (fig. 1-4) is similar to that of the interior bay except that the shoreend is tapered. The bridge hydraulic system permits ramp adjustments from 0 degrees up to 20 degrees, (0 to 0.349 ra-dian) thus providing for various bank conditions.1-3
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