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CLEARANCE
SPECIFICATIONS
3
Camshaft
End Play (with shim)
Running Clearance
Bore I.D.
New
Max. Wear Limit
Bearing Surface O.D.
New
Max. Wear Limit
Connecting Rod
Connecting Rod-to-Crankpin
Running Clearance @ 21°C
(70°F)
New
Max. Wear Limit
Connecting Rod-to-Crankpin
Side Clearance
Connecting Rod-to-Piston Pin
Running Clearance @ 21°C
(70°F)
Piston Pin End I.D. @ 21°C
(70°F)
New
Max. Wear Limit
Crankcase
Governor Cross Shaft Bore I.D.
New
Max. Wear Limit
6 mm Shaft
New
Max. Wear Limit
8 mm Shaft
New
Max. Wear Limit
Crankshaft
End Play (free)
End Play (w/thrust bearing
components)
Bore (in crankcase)
New
Max. Wear Limit
Bore (in closure plate)
New
Crankshaft to Sleeve Bearing
(closure plate) Running
Clearance
New
Values are in Metric units. Values in parentheses are English equivalents.
3
24 690 01 Rev. S
ECH630-ECH680
ECH730-ECH749
0.101/0.406 mm (0.0040/0.0160 in.)
0.025/0.105 mm (0.001/0.004 in.)
20.000/20.025 mm (0.7874/0.7884 in.)
20.038 mm (0.7889 in.)
19.920/19.975 mm (0.7843/0.7864 in.)
19.914 mm (0.7840 in.)
0.043/0.073 mm (0.0017/0.0029 in.)
0.088 mm (0.0035 in.)
0.26/0.63 mm (0.0102/0.0248 in.)
0.015/0.028 mm (0.0006/0.0011 in.)
17.015/17.023 mm (0.6699/0.6702 in.)
17.036 mm (0.6707 in.)
8.025/8.075 mm (0.3159/0.3179 in.)
8.088 mm (0.3184 in.)
0.070/0.590 mm (0.0028/0.0230 in.)
0.070/1.190 mm (0.0028/0.0468 in.)
40.972/40.997 mm (1.6131/1.6141 in.)
41.011 mm (1.6146 in.)
40.974/41.000 mm (1.6131/1.6141 in.)
0.03/0.12 mm (0.001/0.005 in.)
KohlerEngines.com
Specifi cations
CH26
CH735
0.076/0.127 mm (0.0030/0.0050 in.)
0.025/0.063 mm (0.0010/0.0025 in.)
20.000/20.025 mm (0.7874/0.7884 in.)
20.038 mm (0.7889 in.)
19.962/19.975 mm (0.7859/0.7864 in.)
19.959 mm (0.7858 in.)
0.030/0.055 mm (0.0012/0.0022 in.)
0.070 mm (0.0028 in.)
0.26/0.63 mm (0.0102/0.0248 in.)
0.015/0.028 mm (0.0006/0.0011 in.)
17.015/17.023 mm (0.6699/0.6702 in.)
17.036 mm (0.6707 in.)
6.025/6.050 mm (0.2372/0.2382 in.)
6.063 mm (0.2387 in.)
8.025/8.075 mm (0.3159/0.3179 in.)
8.088 mm (0.3184 in.)
0.070/0.590 mm (0.0028/0.0230 in.)
0.070/1.190 mm (0.0028/0.0468 in.)
40.965/41.003 mm (1.6128/1.6143 in.)
41.016 mm (1.6148 in.)
40.987/40.974 mm (1.6136/1.6131 in.)
0.03/0.09 mm (0.0012/0.0035 in.)
CH745
17
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