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6-2

Chapter 6 INSPECTION AND REPAIR OF BASIC ENGINE

5. Crankcase and Crankshaft - Inspect and Repair................................................6-23

5.1 Crankcase Top Surface Distortion - Measure......................................................................... 6-23

5.2 Inside Diameter of Main Bearing Housing Bore - Measure .................................................... 6-23

5.3 Cylinder Liner Fitting Bore in Crankcase - Inspect ................................................................. 6-24

5.4 Counterbore in Crankcase - Repair........................................................................................ 6-24

5.5 Crankpin and Journal Outside Diameters - Measure.............................................................. 6-24

5.6 Width of Crankpin and Rearmost Crank Main Journal - Measure .......................................... 6-26

5.7 Crankshaft Runout - Measure................................................................................................. 6-27

5.8 Crankshaft Gear - Inspect....................................................................................................... 6-28

5.9 Crankshaft Gear - Replace.....................................................................................................6-28

5.10 Oil Seal Slinger - Inspect ........................................................................................................ 6-29

5.11 Oil Seal Slinger - Replace....................................................................................................... 6-29

5.12 Main Bearing - Inspect............................................................................................................ 6-30

5.13 Thickness of Main Bearing Shell - Measure ........................................................................... 6-30

5.14 Thrust Plate - Inspect.............................................................................................................. 6-30

5.15 Thickness of Thrust Plate - Measure...................................................................................... 6-31

5.16 Piston Cooling Nozzle - Inspect.............................................................................................. 6-31

Mitsubishi S12A2 User Manual

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