ARMY TM 9-2805-256-14 AIR FORCE TO 38G2-102-2 NAVY NAVFAC P-8-611-14E Table 6-2. Engine Repair and Replacement Limits Measurements Item Minimum Maximum CAMSHAFT Camshaft  axle  dia. 0.3730 0.3733 (0.9474) (0.9481) Cam lift 0.1827 0.1867 (0.4640) (0.4742) Cam lobe wear 1.3287 1.3247 (3.3748) (3.3647) CRANKSHAFT Main  bearing  journals: Front 0.9385 0.9395 (2.3837) (2.3863) 0.9385 0.9395 Rear (2.3837) (2.3863) Connecting  rod  journal  o.d. 0.8745 0.8750 (2.2212) (2.2225) End play 0.000 0.003 (0.000) (0.007) Crankshaft  bearings Bearing  i.d.  (cont) 0.9375 0.938 (2.3812) (2.3825) Bearinging  o.d.  (cup) 1.9687 1.9697 (5.0004) (5.0030) VALVE  TAPPETS Outside diameter 0.4974 0.4979 (1.2633) (1.2646) Clearance in guide 0.0006 0.0018 (0.0015) (0.0045) Tappet  guide  i.d. 0.4987 0.4992 (1.2666) (1.2679) CYLINDER A-  bore 2.2495 2.2500 (5.7137) (5.7150) B - bore 2.2500 2.2505 (5.7150) (5.7162) C - bore 2.2505 2.2510 (5.7162) (5.7175) D - bore 2.2510 2.2515 (5.7175) (5.7188) Out of round 0.000 0.001 T.I.R. T.I.R. (0.000) (0.0025) 0.000 0.002 Taper (0.000) (0.0050) 6-20