Kohler Command PRO CH735 Service Manual

Specifi cations
1924 690 01 Rev. K KohlerEngines.com
CLEARANCE
SPECIFICATIONS
3
ECH630-ECH680 ECH730-ECH749 CH26 CH735 CH745
Piston, Piston Rings, and Piston Pin (Style A continued)
Top Compression Ring-to-
Groove Side Clearance 0.050/0.095 mm (0.0019/0.0037 in.) 0.025/0.048 mm (0.0010/0.0019 in.)
Middle Compression Ring-to-
Groove Side Clearance 0.030/0.075 mm (0.0012/0.00307 in.) 0.015/0.037 mm (0.0006/0.0015 in.)
Oil Control Ring-to-Groove Side
Clearance 0.010/0.011 mm (0.0004/0.0043 in.) 0.026/0.176 mm (0.0010/0.0070 in.)
Top and Center Compression
Ring End Gap
New Bore 0.25/0.56 mm (0.0100/0.0224 in.)
Used Bore (Max.) 0.80 mm (0.0315 in.) 0.94 mm (0.037 in.)
Thrust Face O.D.
7
79.943/79.961 mm
(3.1473/3.1480 in.)
82.949/82.967 mm (3.2657/3.2664 in.)
Max. Wear Limit 79.816 mm
(3.1423 in.)
82.822 mm (3.2606 in.)
Piston Thrust Face-to Cylinder
Bore
7
Running Clearance
New 0.039/0.082 mm (0.0015/0.0032 in.)
Piston Style B
Piston-to-Piston Pin Running
Clearance 0.006/0.017 mm (0.0002/0.0007 in.)
Pin Bore I.D.
New
Max. Wear Limit
17.006/17.012 mm (0.6695/0.6698 in.)
17.025 mm (0.6703 in.)
Pin O.D.
New
Max. Wear Limit
16.995/17.000 mm (0.6691/0.6693 in.)
16.994 mm (0.6691 in.)
Top Compression Ring-to-
Groove Side Clearance 0.030/0.070 mm (0.001/0.0026 in.)
Middle Compression Ring-to-
Groove Side Clearance 0.030/0.070 mm (0.001/0.0026 in.)
Oil Control Ring-to-Groove Side
Clearance 0.060/0.190 mm (0.0022/0.0073 in.)
Top Compression Ring End Gap
New Bore
0.100/0.279 mm
(0.0039/0.0110 in.) 0.189/0.277 mm (0.0074/0.0109 in.)
Used Bore (Max.) 0.490 mm
(0.0192 in.)
0.531 mm (0.0209 in.)
Middle Compression Ring End
Gap
New Bore
1.400/1.679 mm
(0.0551/0.0661 in.) 1.519/1.797 mm (0.0598/0.0708 in.)
Used Bore (Max) 1.941 mm
(0.0764 in.)
2.051 mm (0.0808 in.)
Thrust Face O.D.
New 79.966 mm
(3.1483 in.)
8
82.978 mm (3.2668 in.)
7
Max. Wear Limit 79.821 mm
(3.1426 in.)
8
82.833 mm (3.2611 in.)
7
Piston Thrust Face-to Cylinder
Bore Running Clearance
New
0.025/0.068 mm
(0.0010/0.0027 in.)
8
0.019/0.062 mm (0.0007/0.0024 in.)
7
3
Values are in Metric units. Values in parentheses are English equivalents.
7
Measure 6 mm (0.2362 in.) above bottom of piston skirt at right angles to piston pin.
8
Measure 13 mm (0.5118 in.) above bottom of piston skirt at right angles to piston pin.

Kohler Command PRO CH735 Specifications

General

Brand	Kohler
Model	Command PRO CH735
Category	Crankshaft
Language	English