NMWR-9-2815-220 Overhaul Manual for M60 M88 Engine AVDS-1790-2CA, AVDS-1790-2DA, AVDS-1790-2DR Download
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NMWR 9-2815-220 PISTON AND CONNECTING ROD ASSEMBLY OVERHAUL—Continued 0011 00 REPAIR – Continued Table 3. Connecting Rod Sleeve Bearing Half (11683972) Measurements. Point of Measurement Required part size Inside diameter of bearing at proper torque tightness Standard – part no. 11683972 3.7546 – 3.7568 in. (95.3668 – 95.3465 mm) 0.0030 in. (0.0762 mm) undersize – part no 11683972-1 3.7516 – 3.7538 in. (95.2906 – 95.3465 mm) 0.0100 in. (0.2540 mm) undersize – part no. 11683972-2 3.7446 – 3.7468 in. (95.1128 – 95.1687 mm) Thickness of bearing at center Standard – part no. 11683972 0.1703 – 0.1708 in. (4.3256 – 4.3830 mm) 0.0030 in. (0.0762 mm) undersize – part no. 11683972-1 0.1713 – 0.1718 in. (4.3510 – 4.3637 mm) 0.0100 in. (0.2540 mm) undersize – part no. 1183972-2 0.1748 – 0.1753 in. (4.4399 – 4.4526 mm) Thickness of bearings 3/8 in. from ends to be 0.0003 to 0.0006 in. (0.0076 – 0.0152 mm) less than thickness at center. Oil clearance between bearings and journal 0.0041L – 0.0073L in. (0.1041L – 0.1854L mm) Figure 5. Connecting Rod Bore Center Dimensions. ASSEMBLY 1. Refer to WP 0005 00 for general assembly procedures. 2. Assemble piston and connecting rod assembly in accordance with TM 9-2815-220-34. 0011 00-8 Change 1