Kohler Command PRO CH440 Service Manual page 15

CLEARANCE SPECIFICATIONS
Connecting Rod
Crankpin End I.D. @ 21°C (70°F)
New
Max. Wear Limit
Connecting Rod-to-Crankpin Side Clearance
New
Max. Wear Limit
Connecting Rod-to-Piston Pin
Running Clearance
Piston Pin End I.D. @ 21°C (70°F)
New
Max. Wear Limit
Crankcase
Governor Cross Shaft Bore I.D.
New
Max. Wear Limit
Crankshaft
End Play (free)
Ball Bearing Internal Clearance
Crankshaft O.D. (new)
PTO end
Flywheel end
Connecting Rod Journal O.D.
New
Max. Wear Limit
Max. Taper
Max. Out-of-Round
Width
Runout (either end)
Main Bearing I.D. (Crankcase/
Closure Plate)
New (installed)
4 Values are in Metric units. Values in parentheses are English equivalents.
17 690 01 Rev. L
4
CH245/CH255
30.021/30.026 mm 30.020/30.030 mm
(1.1819/1.1823 in.) (1.1819/1.1823 in.)
30.08 mm
(1.184 in.)
0.58/0.60 mm
(0.023/0.024 in.)
1.10 mm
(0.043 in.)
0.01/0.027 mm
(0.0004/0.0011 in.) (0.0003/0.0010 in.)
18.010/18.015 mm
(0.709/0.7093 in.)
18.08 mm
(0.712 in.)
6.000/6.024 mm
(0.2362/0.2372 in.)
6.037 mm (0.2377 in.)
0.025/0.703 mm
(0.0010/0.028 in.)
0.003/0.025 mm (0.0001/0.0010 in.)
24.975/24.989 mm
(0.9833/0.9838 in.)
24.975/24.989 mm 29.975/29.985 mm
(0.9833/0.9838 in.) (1.1801/1.1805 in.)
29.95 mm
(0.9823 in.)
0.025 mm
(0.0010 in.)
25.02/25.08 mm
(0.9850/0.9874 in.)
24.994/25.000 mm 24.992/25.000 mm
(0.9840/0.9842 in.) (0.9839/0.9842 in.)
KohlerEngines.com
CH260/CH270
33.020/33.030 mm
(1.3000/1.3004 in.)
30.106 mm 33.07 mm
(1.185 in.) (1.302 in.)
0.58/0.60 mm 0.73 mm
(0.023/0.024 in.) (0.029 in.)
1.10 mm 1.36 mm
(0.043 in.) (0.054 in.)
0.008/0.025 mm 0.006/0.028 mm
(0.0002/0.0011 in.)
18.006/18.017 mm
(0.7089/0.7093 in.)
18.08 mm (0.712 in.)
0.0508/0.254 mm (0.002/0.010 in.)
0.005/0.020 mm
(0.0002/0.0008 in.)
29.975/29.989 mm
(1.1801/1.1807 in.)
30.014/30.027 mm
(1.1817/1.1822 in.)
32.975/32.985 mm
(1.2982/1.2986 in.)
29.924 mm 32.92 mm
(1.1781 in.) (1.2961 in.)
2.5 microns (0.0001 in.)
12.7 microns (0.0005 in.)
30.30/30.36 mm
(1.1930/1.1953 in.)
0.025 mm (0.001 in.)
29.990/30.000 mm
(1.1807/1.1811 in.)
Specifi cations
CH395 CH440
37.020/37.030 mm
(1.4575/1.4579 in.)
37.08 mm
(1.460 in.)
0.56 mm
(0.022 in.)
1.06 mm
(0.042 in.)
0.008/0.025 mm
(0.0003/0.0010 in.)
20.006/20.017 mm
(0.7876/0.7881 in.)
20.03 mm
(0.789 in.)
8.000/8.024 mm
(0.3150/0.3159 in.)
8.075 mm (0.3179 in.)
0.006/0.020 mm
(0.0002/0.0008 in.)
34.975/34.989 mm
(1.3770/1.3775 in.)
35.009/35.027 mm
(1.3783/1.3790 in.)
36.975/36.985 mm
(1.4557/1.4561 in.)
36.92 mm
(1.4535 in.)
28.30/28.36 mm
(1.1142/1.1165 in.)
34.988/35.000 mm
(1.3775/1.3779 in.)
15