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TB-9-2350-368-25 Powerplant Test Stand M113A2 M113A3 M548A1 M548A3 Download

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TB 9-2350-368-25 2-4 NOTE Fabrication/installation of all components that go on bottom of stand may be fabricated/installed while stand is inverted. 5. Flip frame assembly over, locate and weld four 15-inch steel tubes (10) vertically on frame 2-1/2 inches from each corner. Cut one end at a 45° angle. 6. Position and tack weld two 50-inch 2” by 4” tubes (11) cut on a 45° angle on both ends. One on each end of stand on vertical tubes. 7. Hard weld if all items are in proper alignment, in accordance with welding specification QQ-A-250. Figure 2-3. Frame Assembly Supports—Bottom View