KRYOTEC ENGINE 41 J. CONNECTING ROD 1. Check connecting rod small end visually for any damage and check the dimensions. 2. Ensure that connecting rod big end and small end axis are parallel to each other and are within specified limits. 3. Ensure that the center distance between small end to big end is maintained within specified limit. 4. Smear oil on parent bore of connecting rod. 5. Install connecting rod bearing caps without bearing shells on connecting rod. 6. Tighten connecting rod bearing cap mounting bolts to specified torque. 7. Ensure that identification numbers for connecting rod and connecting rod bearing cap are matched and notches for bearing shells are on the same side. 8. Check twist and bend of connecting rod by using new piston pin in connecting rod small end bush. 9. Measure twist and bend of connecting rod with feeler gauge with respect to vertical face of the connecting rod alignment gauge in vertical and horizontal plane at a distance of 50 mm from line joining centers of connecting rod small end and big end bosses. 10. Check connecting rod big end parent bore dimension. 11. Ensure that the connecting rod big end and small end axis are parallel to each other within the specified limits. Center to center distance between connecting rod small end and big end is maintained within specified limits. 12. If one or more connecting rods are to be replaced, ensure that difference in weight of connecting rod in one engine is within permissible limits. 13. Install new pair of connecting rod bearing shell according to size of crank pin journal diameter, making sure that securing lugs of bearing shells are properly seated in grooves of connecting rod and its bearing cap. NOTE Lower and Upper bearings are not interchangeable.
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