TM 10-3930-664-24 3. Inspect  main  bearings  for  signs  of  overheating, deep    scratches,    or    other    obvious    damage. Replace as required. 4. Inspect  main  bearing  caps  for  dents,  cracks,  or other damage. 5. Measure main bearing journal diameter (dimension  A)  Diameter  shall  be  at  least  3.266 in.  (82.96 mm). 6. Measure connecting rod journal diameter (dimension B).  Diameter shall be at least 2.715 in.  (68.96 mm). 7. Out  of  round  shall  not  exceed  0.002  in.    (0.050 mm)  for  any  journal.    Maximum  taper  shall  be 0.0005 in.  (0.013 mm). D.  INSTALLATION 1. Install   piston   cooling   nozzles   into   journals   in cylinder block. 2. Install    lower    bearing    halves    (2)    onto    main bearing   caps   (3).      Ensure   tangs   on   bearing halves     set     into     notches     in     bearing caps. Lubricate bearings with Lubricate 105. 4-19