Underbody Misalignment Check

Fig 1: Identifying Underbody Dimensions

1. Underbody dimension tolerances are ± 3.175 mm (0.125 in). Reference dimensions are not controlled dimensions. Reference points are ± 4.76 mm (0.1875 in). All underbody dimensions are detailed to the centerline of existing holes in the underbody assembly.
   UNDERBODY DIMENSIONS
   
   

   Dimension	Millimeter	Inch
   1	890.00	35.03
   2	1380.29	54.34
   3	1288.86	54.36
   4	1674.52	65.92
   5	1700.28	66.93
   6	845.70	33.29
   7	830.90	32.71
   8	1155.95	45.50
   9	1136.55	44.74
   10	1380.04	54.33
   11	798.21	31.42
   12	1251.79	49.28
   13	1151.49	45.37
   14	934.84	36.84
   15	1383.82	54.48
   16	1131.23	44.53
   17	1351.87	53.22
   18	1177.55	46.36
   19	995.12	39.17
   20	991.87	39.05

2. Inspect all unibody structural members for cracks, twists or bends. Check all welded connections for cracks. Inspect support brackets for looseness.