Kohler Command PRO ECH630 Service Manual page 14

Section 1
Safety and General Information
Crankshaft
Non-Thrust Bearing End Play (Free) ............................................................ 0.070/0.590 mm (0.0028/0.0230 in.)
Thrust Bearing End Play (Free) ..................................................................... 0.070/0.270 mm (0.0028/0.0100 in.)
Crankshaft Bore (In Crankcase)
New ............................................................................................................ 40.972/40.997 mm (1.6131/1.6141 in.)
Max. Wear Limit ....................................................................................... 41.011 mm (1.6146 in.)
Crankshaft to Sleeve Bearing (Closure Plate)
Running Clearance - New ...................................................................... 0.03/0.12 mm (0.001/0.005 in.)
Crankshaft Bore (In Closure Plate) - New ................................................... 40.974/41.000 mm (1.6131/1.6141 in.)
Crankshaft Bore (In Closure Plate)-to-Crankshaft
Running Clearance - New ...................................................................... 0.039/0.087 mm (0.0015/0.0034 in.)
Flywheel End Main Bearing Journal
O.D. - New ................................................................................................ 40.913/40.935 mm (1.6107/1.6116 in.)
O.D. - Max. Wear Limit ........................................................................... 40.843 mm (1.608 in.)
Max. Taper Limit ...................................................................................... 0.022 mm (0.0009 in.)
Max. Out-of-Round Limit ....................................................................... 0.025 mm (0.0010 in.)
Closure Plate End Main Bearing Journal
O.D. - New ................................................................................................ 40.913/40.935 mm (1.6107/1.6116 in.)
O.D. - Max. Wear Limit ........................................................................... 40.84 mm (1.608 in.)
Max. Taper Limit ...................................................................................... 0.022 mm (0.0009 in.)
Max. Out-of-Round Limit ....................................................................... 0.025 mm (0.0010 in.)
Connecting Rod Journal
O.D. - New ................................................................................................ 35.950/35.973 mm (1.4153/1.4163 in.)
O.D. - Max. Wear Limit ........................................................................... 35.941 mm (1.415 in.)
Max. Taper Limit ...................................................................................... 0.018 mm (0.0007 in.)
Max. Out-of-Round Limit ....................................................................... 0.025 mm (0.0010 in.)
Crankshaft T.I.R.
PTO End, Crank in Engine ..................................................................... 0.279 mm (0.0110 in.)
Entire Crank, in V-Blocks ........................................................................ 0.10 mm (0.0039 in.)
Cylinder Bore
Cylinder Bore I.D.
New - ECH630,ECH650,ECH680 ........................................................... 80.000/80.025 mm (3.1496/3.2689 in.)
New - ECH730,ECH740,ECH749 ........................................................... 83.006/83.031 mm (3.2680/3.2689 in.)
Max. Wear Limit - ECH630,ECH650,ECH680...................................... 80.075 mm (3.1526 in.)
Max. Wear Limit - ECH730,ECH740,ECH749...................................... 83.081 mm (3.2709 in.)
Max. Out-of-Round ................................................................................. 0.120 mm (0.0047 in.)
Max. Taper ................................................................................................ 0.05 mm (0.0020 in.)
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