TB-9-2350-368-25
M113A2/M113A3/M548Al/M548A3 FAMILY OF VEHICLES INCLUDING OPPOSING FORCES SURROGATE VEHICLE (OSV)
FABRICATION AND OPERATION OF POWERPLANT TEST STAND
FEBRUARY 2003
TB-9-2350-368-25 - Page 18 of 120
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
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