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

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TB 9-2350-368-25 2-7 b. Front Engine Mount (Common) Bill Of Materials Item Nomenclature Part Number NSN Qty 4” by 6” by 1/4” Steel Angle 1 27-1/2 inches (69.9 cm) 1 1/4” Tread Plate 2 4 by 6 inches (10.2 by 15.2 cm) 2 2-1/2” by 2-1/2” by 1/4” Steel Angle 3 1-1/4 inches (3.2 cm) 2 3/8” Threaded Rod 4 1 to 2 inches (2.5 to 5.1 cm) 1 Hardware 5 Lockwasher MS35335-63 5310-00-209-0790 1 6 Wingnut MS35425-74 5310-01-088-2490 1 NOTE You may want to install fuel cell while frame is inverted. Before you install front engine mount place stand upright in legs. 1. Locate, cut, and drill five 3/4 by 1-3/4 inch slots in steel angle (1) per Figure 2-6. 2. Locate two tread plate stiffeners (2) left 7 inches from end, right flush with end, on angle per Figure 2-6. Weld stiffeners in place. 3. Locate tread plate stop guides (3) flush on front of mount, 3-1/2 inches from outside edge per Figure 2-6. Weld guides in place. 4. Drill 3/8 inch hole 2 inches from end of mount and 1-1/2 inches from bottom. Place bolt through hole and weld head in place. Put nut and star washer on threaded end. Use for grounding. 5. Install lockwasher (5) and wingnut (6) on threaded rod (4).