Manuale Officina LGW 523-627 - lombardini service

4Disassembly / ReassemblyMain bearings and connecting rod big ends diametersDimensions (mm):LDWRef.502 - 602 - 903 - 1204 - 1204/TToleranceC ( mm)48,016÷47,98448,055D ( mm)40,021÷40,05040,100LDW702 - 1003 - 1404143Ref.ToleranceC ( mm)51,023÷51,05951,098D ( mm)40,021÷40,05040,100The dimensions given refer to tightened bearings. For tightening torque see figures 116 e 126.Clearances between the bearings and corresponding pinsSee figures. 143 ÷ 144.Dimensions (mm):LDWRef.502 - 602 - 903 - 1204 - 1204/TClearance Limit valueC -A ( mm)0,022÷0,0740,200D -B ( mm)0,021÷0,0660,130144Ref.LDW 702 - 1003 - 1404Clearance Limit valueC -A ( mm)0,023÷0,0780,200D -B ( mm)0,021÷0,0660,130Nota: Both for crankshaft bearings and for connecting rod big endbearings internal diameter are undersized by 0.25 and 0.50mm.- 64 - FOCS Workshop Manual_cod. 1.5302.351_7° ed_ rev. 06