83 ENGINE2.2LDICOR ConnectingRod(Dimensions) Stage ConnectingRod sall end Parent bore diameter (mm) Bush Outside diameter (mm) Standard 34H7 34.1+/-0.02 Standard 34.2H7 34.3+/-0.02 Max. permissible circularity & ovality of connecting 0.005 mm rod small end parent bore 0.008 mm Connecting rod small end bush inside dia. (to be Ø 31.020 - Ø 31.033 mm finished after installation) (Piston pin oiled has thumb push fit in small end bush) Max. permissible out of parallelism (bend) between 0.06 mm connecting rod small end & big end parent bores measured at a distance of 100 mm from cenre line of connecting rod big end. Centre to centre distance between connecting rod 149 + 0.03 mm small end & big end parent bores. Maximum permissible twist of connecting rod 0.1 mm Connecting rod big end parent bore dia. Ø 53.69+0.019 Max. permissible taper & ovality of connecting rod 0.008 mm big end parent bore cylindericity 0.01 mm Stage Connecting rod small end Crank pin journal dia. (mm) & big end parent bore dia. With bearing shell (mm) Standard 50.008, 50.047 50 -0.005,-0.02 Repair 1 49.758, 49.797 49.75 -0.005,-0.02 Repair 2 49.508, 49.547 49.5 -0.005,-0.02 Bearing shells to be selected such that clearance is maintained as 0.011-0.065 mm Pre tension of connecting rod big end bearing shells 0.060-0.090 mm Max. permissible difference in weight of connecting rods in one enhine 3 gms Connecting rod big end axial play 0.1 - 0.35 mm
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