Kohler Command PRO CH26 Service Manual

Specifi cations
1724 690 01 Rev. K KohlerEngines.com
CLEARANCE
SPECIFICATIONS
3
ECH630-ECH680 ECH730-ECH749 CH26 CH735 CH745
Connecting Rod (continued)
Connecting Rod-to-Piston Pin
Running Clearance @ 21°C
(70°F)
0.015/0.028 mm (0.0006/0.0011 in.) 0.015/0.028 mm (0.0006/0.0011 in.)
Piston Pin End I.D. @ 21°C
(70°F)
New
Max. Wear Limit
17.015/17.023 mm (0.6699/0.6702 in.)
17.036 mm (0.6707 in.)
17.015/17.023 mm (0.6699/0.6702 in.)
17.036 mm (0.6707 in.)
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
8.025/8.075 mm (0.3159/0.3179 in.)
8.088 mm (0.3184 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.)
Crankshaft
End Play (free) 0.070/0.590 mm (0.0028/0.0230 in.) 0.070/0.590 mm (0.0028/0.0230 in.)
End Play (w/thrust bearing
components) 0.070/1.190 mm (0.0028/0.0468 in.) 0.070/1.190 mm (0.0028/0.0468 in.)
Bore (in crankcase)
New
Max. Wear Limit
40.972/40.997 mm (1.6131/1.6141 in.)
41.011 mm (1.6146 in.)
40.965/41.003 mm (1.6128/1.6143 in.)
41.016 mm (1.6148 in.)
Bore (in closure plate)
New 40.974/41.000 mm (1.6131/1.6141 in.) 40.987/40.974 mm (1.6136/1.6131 in.)
Crankshaft to Sleeve Bearing
(closure plate) Running
Clearance
New 0.03/0.12 mm (0.001/0.005 in.) 0.03/0.09 mm (0.0012/0.0035 in.)
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.)
3
Values are in Metric units. Values in parentheses are English equivalents.

Kohler Command PRO CH26 Specifications

General

Brand	Kohler
Model	Command PRO CH26
Category	Crankshaft
Language	English