TM 10-3930-669-34 (g) Position    and    install    main    bearing    caps, washers,  and  screws.    Preload  and  torque screws    in    accordance    with    instructions given in Appendix D, Table D-1. (h) Using    a    precision    gauge,    set    gauge    to nominal inside diameter of crankshaft main bearing     bore     (2.7574     inches     (70.0400 mm)). (i) Measure  each  main  bearing  bore  at  points 1  and  2  in  vertical  and  horizontal  positions "a" and "b." (j) If   main   bearing   bore   measurements   are between  2.7574  inches  (70.0400  mm)  and 2.7582  inches  (70.0600  mm),  crankcase  is acceptable   for   further   use.      If   not,   notify supervisor. (2)   Check  main  bearing  housing  for  alignment  as follows: (a) Remove   main   bearing   screws,   washers, and caps. (b) Coat main crankshaft journals with marking ink. (c) Position crankshaft in crankcase and install main  bearing   caps,   washers,   and   screws according to numbering.  Torque screws in accordance with instructions given in Appendix D, Table D-1. 3-31