Kohler Command PRO EFI - Page 18

Specifi cations
18 24 690 01 Rev. SKohlerEngines.com
CLEARANCE
SPECIFICATIONS
3
ECH630-ECH680 ECH730-ECH749 CH26 CH735 CH745
Crankshaft (continued)
Crankshaft Bore (In Closure
Plate)-to-Crankshaft Running
Clearance
New 0.039/0.087 mm (0.0015/0.0034 in.)
0.039/0.074 mm (0.0015/0.0029 in.)
Flywheel End Main Bearing
Journal
O.D. - New
O.D. - Max. Wear Limit
Max. Taper Limit
Max. Out-of-Round Limit
40.913/40.935 mm (1.6107/1.6116 in.)
40.843 mm (1.608 in.)
0.022 mm (0.0009 in.)
0.025 mm (0.0010 in.)
40.913/40.935 mm (1.6107/1.6116 in.)
40.84 mm (1.608 in.)
0.022 mm (0.0009 in.)
0.025 mm (0.0010 in.)
Closure Plate End Main Bearing
Journal
O.D. - New
O.D. - Max. Wear Limit
Max. Taper Limit
Max. Out-of-Round Limit
40.913/40.935 mm (1.6107/1.6116 in.)
40.843 mm (1.608 in.)
0.022 mm (0.0009 in.)
0.025 mm (0.0010 in.)
40.913/40.935 mm (1.6107/1.6116 in.)
40.84 mm (1.608 in.)
0.022 mm (0.0009 in.)
0.025 mm (0.0010 in.)
Connecting Rod Journal
O.D. - New
O.D. - Max. Wear Limit
Max. Taper Limit
Max. Out-of-Round Limit
35.950/35.973 mm (1.4153/1.4163 in.)
35.941 mm (1.415 in.)
0.018 mm (0.0007 in.)
0.025 mm (0.0010 in.)
35.955/35.973 mm (1.4156/1.4163 in.)
35.94 mm (1.415 in.)
0.018 mm (0.0007 in.)
0.025 mm (0.0010 in.)
Crankshaft T.I.R.
PTO End, Crank in Engine
Entire Crank, in V-Blocks
0.279 mm (0.0110 in.)
0.10 mm (0.0039 in.)
0.279 mm (0.0110 in.)
0.10 mm (0.0039 in.)
Cylinder Bore
Bore I.D.
New 80.000/80.025 mm
(3.1496/3.2689 in.)
83.006/83.031 mm
(3.2680/3.2689 in.)
82.988/83.013 mm (3.2672/3.2682 in.)
O.D. - Max. Wear Limit 80.075 mm
(3.1526 in.)
83.081 mm (3.2709
in.)
83.051 mm (3.2697 in.)
Max. Out-of-Round Limit 0.120 mm (0.0047 in.) 0.12 mm (0.0047 in.)
Max. Taper 0.05 mm (0.0020 in.) 0.05 mm (0.0020 in.)
Cylinder Head
Max. Out-of-Flatness 0.076 mm (0.003 in.) 0.076 mm (0.003 in.)
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Values are in Metric units. Values in parentheses are English equivalents.