TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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Table 1. Repair Specifications List - Continued. (1) POINT OF MEASUREMENT (2) NEW MINIMUM INCHES (MM) (3) NEW MAXMUM INCHES (MM) (4) WEAR LIMIT INCHES (MM) Diameter 3.8695 (98.29) 3.8717 (98.34) * Clearance (skirt to liner) 0.0035 (0.09) 0.0072 (0.18) 0.0110 (0.28) Seal ring bore 3.7000 (93.98) 3.7040 (94.08) 3.7060 (94.13) Piston pin bore 1.3775 (34.99) 1.3785 (35.01) 1.3790 (35.03) Piston Pin Length 3.2250 (81.91) 3.2450 (82.42) * Diameter 1.3746 (34.91) 1.3750 (34.92) 1.3730 (34.87) Piston Pin Bushing Thickness 0.0870 (2.21) 0.0880 (2.24) 0.0860 (2.18) Clearance (bushing to groove) 0.0005 (0.01) 0.0105 (0.27) 0.0120 (0.30) CONNECTING RODS Length Center bore to center bore–trunk 8.7990 (223.49) 8.8010 (223.55) * Center bore to center of pin–crosshead 8.7990 (223.49) 8.8010 (223.55) * Side Clearance 0.0080 (0.20) 0.0160 (0.41) * CRANKSHAFT Journal Diameter Main bearing 3.4990 (88.87) 3.5000 (88.90) * Connecting rod bearing 2.7490 (69.82) 2.7500 (69.85) * Journal out–of–round 0.00025 (0.01) 0.0030 (0.08) * Journal taper 0.0005 (0.01) 0.0030 (0.08) * Runout (intermediate journals) 0.0020 (0.05) Thrust washer thickness 0.1190 (3.02) 0.1220 (3.10) * TM 9-2815-205-24 0106 0106-5