Install connecting rod bearing cap with bearing 20. shell on connecting rod. Tighten connecting rod bearing cap mtg. bolts to specified torque. Measure connecting rod bearing bore. Record 21. the readings in the format given in this manual. If connecting rod big end parent bore 22. dimension is maintained within specified limits, proper bearing bore dimension is automatically achieved. * Refer selection table for connecting rod bearing in the ‘Assemble Clearance’ section NOTE Lower and Upper bearings are not • interchangeable. NOTE Connecting rod bearing shells are precision • finished and should not be bored or scraped. MAINTENANCE LIMIT Small end parent bore cylindricity Without bush - 0.008 mm With bush - 0.005 mm Connecting rod small end bush inside diameter (finished after installation) 27.020 ~ 27.033 mm Maximum permissible out of parallelism (bend) between connecting rod small end and big end parent bores. 0.01 mm Center to center distance between connecting rod small end and big end parent bores 125.25 + 0.04 mm Connecting rod big end parent bore diameter 48.655+0016 -0.0 Big end parent bore and cylindricity 0.01 mm Bearing shell to be selected such that clearance is maintained as 0.012 - 0.049 mm Crush height of connecting rod big end bearing shells 5724 0315 0403 0.035 - 0.075 mm Maximum permissible difference in weight of connecting rods 3 gms Connecting rod big end axial play 0.05-0.35 Diesel Engine Ph-2 (CAFÉ) 75
RkJQdWJsaXNoZXIy MTIwNTUz