ENGINE 29 Fig. 9 CRANK SHAFT: Fig 9 Standard and Repair sizes of crankshaft Dimensions in mm Size Main bearing Crankpin dia. Width of 2nd main journal journal dia ‘C’ ‘B’ ‘A’ Standard 73.00 + 0.01 60 00 + 0.015 32.00 + 0.062 - 0.010 - 0.000 Standard – I 72.90 + 0.01 59.90 + 0.015 32.00 + 0.062 - 0.010 - 0.000 Repair size – I 72.75 + 0.01 59 75 + 0.015 32.00 + 0.062 32.30 + 0.062 32.50 + 0.062 - 0.010 - 0.000 - 0.000 - 0.000 Repair size – II 72.50 + 0.01 59.50 + 0.015 32.00 + 0.062 32.30 + 0.062 32.50 + 0.062 - 0.010 - 0.000 - 0.000 - 0.000 Repair size – III 72.25 + 0.01 59.25 + 0.015 32.30 + 0.062 32.50 + 0.062 - 0.010 - 0.000 - 0.000 Repair size – IV 72.00 + 0.01 59.00 + 0.015 32.30 + 0.062 32.50 + 0.062 - 0.010 - 0.000 - 0.000 Standard and Repair sizes of main bearing Dimensions in mm Size Bearing bore in Wall thickness of bearing installed condition shells ready for installation Standard 73.06 + 0.01 2.485/2.475 Standard – I 72.96 + 0.01 2.535/2.525 Repair size – I 72.81 + 0.01 2.610/2.600 Repair size – II 72.56 + 0.01 2.735/2.725 Repair size – III 72.31 + 0.01 2.860/2.850 Repair size – IV 72.06 + 0.01 2.985/2.975
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