1. Cut ends of rectangular steel tubes (1, 2) at 45 angle, final length to be 96 inches (243.8 cm) and 50
inches (127.0 cm) respectively. Lay steel tubes on flat level surface in accordance with Figure 2-1. Weld
ends together. (See TM 9-237.)
2. Lay rectangular steel tubes (3, 4, and 5) inside box frame in accordance with art in Figure 2-1 and
dimensions in Figure 2-2. Tack weld all steel tubes together.
3. Align steel angles (6 and 7) within welded framework in accordance with art in Figure 2-1 and
4. Hard weld, if all items are in proper place, in accordance with welding specification QQ-A-250.