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 3. Connecting rod assembly. (a) Blend minor nicks and gouges on the I section of the rod. Hone fretting from large bore. Replace bolts that do not fit snugly in rod and cap or that have damaged threads, galled pilot diameters, or diameters not within limits. Also replaced bolts that are cracked, scratched, or show any evidence of stretching. (b) When replacing piston pin sleeve bearing use installation tool as shown in Figure 4. Burnish to seat sleeve bearing prior to reaming to finished dimension. Line ream new bearing to size listed in Table 3. The dimension between the centerline of the small and large end bores (Figure 5) must be maintained between 10.998 and 11.002 in. (279.349 – 279.450 mm) when line reaming new bearing. Figure 4. Fixture Assembly – Installing and Removing Connecting Rod Bushing. 0011 00-7 Change 1