TM 9-2815-225-34&P MEASUREMENT WEAR LIMIT NEW MINIMUM NEW MAXIMUM CYLINDER BLOCK SPECIFICATIONS (Contd) Main and Rod Journals Out-of-Round TIR* 0.002 (0.0508 mm) Main and Rod Journal Taper (Length of Journal) 0.005 (0.127 mm) Main Bearings Shell Thickness 0.1215 (3.0861 mm) 0.123 (3.124 mm) 0.1238 (3.1445 mm) Journal Clearance 0.007 (0.1778 mm) 0.0015 (0.0381 mm) 0.005 (0.127 mm) Rod Bearings Shell Thickness 0.093 (2.372 mm) 0.00942 (0.23927 mm) 0.0947 (2.4054 mm) Crankshaft Thrust Ring 157280 Std Thickness (Measured Midway Between Oil Grooves) ** 0.245 (6.223 mm) 0.247 (6.274 mm) Crankshaft End Clearance (Installed) 0.022 (0.559 mm) 0.007 (0.178 mm) 0.017 (0.432 mm) Connecting Rod Crankpin Bore Inside Diameter 3.3157 (8.4219 cm) 3.3167 (8.4244 cm) Center-to-Center Length 11.998 (30.475 cm) 12.000 (30.5 cm) Piston Pin Bushing Inside Diameter 2.0022 (5.0856 cm) 2.0010 (5.0825 cm) 2.0015 (5.0838 cm) Connecting Rod Bend (w/o bushing) 0.010 (0.254 mm) 0.010 (0.254 mm) Bend (w/bushing) 0.004 (0.102 mm) 0.004 (0.102 mm) Twist (w/o bushing) 0.020 (0.51 mm) 0.020 (0.51 mm) Twist (w/bushing) 0.010 (0.25 mm) 0.010 (0.25 mm) Connecting Rod Capscrew Minimum Outside Diameter 0.583 (14.808 mm) 0.584 (14.834 mm) 0.590 (14.99 mm) Pilot Outside Diameter 0.637 (16.180 mm) 0.638 (16.205 mm) 0.643 (16.332 mm) Dowel and Pilot (2-Capscrew Rod) Dowel Diameter 0.3127 (7.9426 mm) Rod Dowel Hole 0.3128 (7.9451 mm) 0.3133 (7.9578 mm) Dowel Protrusion 0.220 (5.59 mm) 0.250 (6.35 mm) Dowel Press Fit in Cap 0.0001 (0.0025 mm) 0.0006 (0.0152 mm) Piston Skirt Diameter at 70°F 5.483 (13.972 cm) 5.487 (13.937 cm) 5.488 (13.930 cm) Piston Pin Bore Inside Diameter at 70°F 2.0000 (5.08 cm) 1.9985 (5.0762 cm) 1.9990 (5.077 cm) Piston Pin Outside Diameter 1.9985 (5.0762 cm) 1.99875 (5.07683 cm) 1.9990 (5.077 cm) Gap in Ring Travel Area of Liner Piston Ring Part No. 3012331 ** 0.023 (0.584 mm) 0.033 (0.838 mm) Piston Ring Part No. 3012332 ** 0.019 (0.483 mm) 0.029 (0.737 mm) Piston Ring Part No. 214730 *** 0.019 (0.483 mm) 0.029 (0.737 mm Piston Ring Part No. 218732 *** 0.01 (0.25 mm) 0.025 (0.635 mm) *  TIR = Total Indicated Runout **  Use Crankshaft End Clearance *** Add 0.003-in. (0.076 mm) ring gap to new maximum limit for each 0.001-in. (0.025 mm) wear in cylinder liner wall F-2