Kohler Command CH670 Service Manual

Specications
924 690 06 Rev. J KohlerEngines.com
TORQUE SPECIFICATIONS
3,5
CH18/CH20/
CH22/
CH620/CH621/
CH640/CH641
CH22/CH23/
CH620/
CH640/
CH670/CH680
CH25/
CH730/
CH740
CH750
Speed Control Bracket
Fastener 10.7 N·m (95 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
Starter Assembly
Thru Bolt
Inertia Drive
Nippondenso Solenoid Shift
Delco-Remy Solenoid Shift
4.5-5.7 N·m (40-50 in. lb.)
4.5-7.5 N·m (40-84 in. lb.)
5.6-9.0 N·m (49-79 in. lb.)
Mounting Screw 15.3 N·m (135 in. lb.)
Brush Holder Mounting Screw 2.5-3.3 N·m (22-29 in. lb.)
Stator
Mounting Screw 6.2 N·m (55 in. lb.)
Valve Cover
Gasket Style Cover Fastener 3.4 N·m (30 in. lb.)
Black O-Ring Style Cover Fastener
w/Shoulder Screws
w/Flange Screws and Spacers
5.6 N·m (50 in. lb.)
9.9 N·m (88 in. lb.)
Yellow or Brown O-Ring Style Cover Fastener
w/Integral Metal Spacers 6.2 N·m (55 in. lb.)
CLEARANCE SPECIFICATIONS
3
CH18/CH20/
CH22/
CH620/CH621/
CH640/CH641
CH22/CH23/
CH620/
CH640/
CH670/CH680
CH25/
CH730/
CH740
CH750
Camshaft
End Play (w/shim) 0.076/0.127 mm (0.0030/0.0050 in.)
Running Clearance 0.025/0.063 mm (0.0010/0.0025 in.)
Bore I.D.
New
Max. Wear Limit
20.000/20.025 mm (0.7874/0.7884 in.)
20.038 mm (0.7889 in.)
Bearing Surface O.D.
New
Max. Wear Limit
19.962/19.975 mm (0.7859/0.7864 in.)
19.959 mm (0.7858 in.)
Connecting Rod
Connecting Rod-to-Crankpin Running Clearance
New
Max. Wear Limit
0.030/0.055 mm (0.0012/0.0022 in.)
0.070 mm (0.0028 in.)
Connecting Rod-to-Crankpin Side Clearance 0.26/0.63 mm (0.0102/0.0248 in.)
Connecting Rod-to-Piston Pin Running Clearance 0.015/0.028 mm (0.0006/0.0011 in.)
Piston Pin End I.D.
New
Max. Wear Limit
17.015/17.023 mm (0.6699/0.6702 in.)
17.036 mm (0.6707 in.)
3
Values are in Metric units. Values in parentheses are English equivalents.
5
Lubricate threads with engine oil prior to assembly.

Kohler Command CH670 Specifications

General

Brand	Kohler
Model	Command CH670
Category	Engine
Language	English