Kohler COMMAND CH18, Service Manual

Page: 12 / 232

1.10
Section 1
Safety and General Information
Crankcase
Governor Cross Shaft Bore I.D.
6 mm Shaft
New .................................................................................................................. 6.025/6.050 mm (0.2372/0.2382 in.)
Max. Wear Limit ............................................................................................. 6.063 mm (0.2387 in.)
8 mm Shaft
New .................................................................................................................. 8.025/8.075 mm (0.3159/0.3179 in.)
Max. Wear Limit ............................................................................................. 8.088 mm (0.3184 in.)
Breather Cover Fastener Torque .......................................................................... 7.3 N·m (65 in. lb.)
Oil Drain Plug Torque ............................................................................................ 13.6 N·m (10 ft. lb.)
Closure Plate
Closure Plate Fastener Torque .............................................................................. 24.4 N·m (216 in. lb.)
Crankshaft
End Play (Free) ........................................................................................................ 0.070/0.590 mm (0.0028/0.0230 in.)
End Play (With Thrust Bearing Components) ................................................... 0.070/0.270 mm (0.0028/0.0100 in.)
Except CH25 Engines Below Serial No. 2403500008 .......................................... 0.050/0.750 mm (0.0020/0.0295 in.)
Crankshaft Bore (In Crankcase)
New .................................................................................................................. 40.965/41.003 mm (1.6128/1.6143 in.)
Max. Wear Limit ............................................................................................. 41.016 mm (1.6148 in.)
Crankshaft to Sleeve Bearing (Crankcase)
Running Clearance - New ............................................................................ 0.03/0.09 mm (0.0012/0.0035 in.)
Crankshaft Bore (In Closure Plate) - New .......................................................... 40.987/40.974 mm (1.6136/1.6131 in.)
Crankshaft Bore (In Closure Plate)-to-Crankshaft
Running Clearance - New ............................................................................ 0.039/0.074 mm (0.0015/0.0029 in.)
Flywheel End Main Bearing Journal
O.D. - New ....................................................................................................... 40.913/40.935 mm (1.6107/1.6116 in.)
O.D. - Max. Wear Limit .................................................................................. 40.84 mm (1.608 in.)
Max. Taper ....................................................................................................... 0.022 mm (0.0009 in.)
Max. Out-of-Round ........................................................................................ 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 ....................................................................................................... 0.022 mm (0.0009 in.)
Max. Out-of-Round ........................................................................................ 0.025 mm (0.0010 in.)
Connecting Rod Journal
O.D. - New ....................................................................................................... 35.955/35.973 mm (1.4156/1.4163 in.)
O.D. - Max. Wear Limit .................................................................................. 35.94 mm (1.415 in.)
Max. Taper ....................................................................................................... 0.018 mm (0.0007 in.)
Max. Out-of-Round ........................................................................................ 0.025 mm (0.0010 in.)