ARMY TM 5-5420-212-10-1MARINE CORPS TM 08676A-10/1-1(7)Bottom Panel (BP)The bottom panel forms a second, deeper girder that is used in double story MGB. The bottom panel’s lower pinjaws connect to other bottom panels and junction panels. The upper pin jaws connect to top panels and junction panels.The bottom panel is a directional panel, and the large end always faces the far bank during construction; the panel iscarried by four personnel.The parts of the bottom panel listed below are similar to those of the top panel and perform the same functions.Carrying Bar BracketResilient Mount and Guide SlotPin JawsThe parts special to the bottom panel, together with their functions, are described below.(1)TOP JAWS. The top jaws are cradled under the panel pin that fits through the top panel pin jaws.(2)SHOOT BOLT The shoot boll locks the bottom panel to the top panel by closing over the panel pin. The shoot boltis engaged and released by hand.CAUTIONDO NOT hammer on shoot bolt. Damage to component may result.(3)SWAY BRACE BRACKETS. For connection of sway braces used in double story bridges. There are two bracketson each side.BOTTOM PANEL1-22
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