Kohler Command PRO Series

24 590 52 Rev. --
KohlerEngines.com
Owner's Manual
IMPORTANT:
Read all safety precautions and instructions carefully before operating
equipment. Refer to operating instruction of equipment that this engine powers.
Ensure engine is stopped and level before performing any maintenance or
service.
Warranty coverage as outlined in the warranty card and on KohlerEngines.
com. Please review carefully as it provides your specifi c rights and obligations.
To maintain compliance with applicable emission regulations, exhaust system
backpressure may not exceed limits which can be found on KohlerEngines.
com. Search by Model No., then select Specs tab.
Kohler Engines has published CO2 values on KohlerEngines.com website.
Record engine information to reference when ordering parts or obtaining warranty coverage.
Engine Model
Specifi cation
Serial Number
Purchase Date
PCH680, PCH740
PCV680, PCV740
Propane Electronic Fuel Injection (EFI)

Kohler Command PRO Series Specifications

General

Cooling System	Air-cooled
Fuel Type	Gasoline
Displacement	Varies by model (e.g., 603cc, 747cc, 992cc)
Lubrication	Full pressure lubrication with full-flow filter (on some models), Splash lubrication (on some models)
Ignition System	Electronic
Bore x Stroke	Varies by model
Compression Ratio	Varies by model
Fuel System	Carburetor or EFI
Starter	Recoil or Electric
Oil Capacity	Varies by model (e.g., 0.6 qt to 2.0 qt)

Summary

Safety Precautions

Explosive Fuel Hazards

Warns about propane flammability, accumulation in low areas, and proper installation.

Carbon Monoxide Hazards

Warns about odorless, colorless carbon monoxide in exhaust fumes, advising against indoor use.

High Pressure Fluid Hazards

Alerts to puncture risks from high-pressure fluids and the need for proper training and equipment.

Electrical Shock Hazards

Cautions against touching wires while the engine is running to prevent injury.

Accidental Starts Hazards

Advises disabling the engine by disconnecting spark plug leads and battery before servicing.

Rotating Parts Hazards

Warns of severe injury from moving parts and advises keeping clear and using guards.

Hot Parts Hazards

Alerts to burns from hot engine parts during or after operation, advising against touching.

California Prop 65 Warning

Informs about exposure to chemicals like carbon monoxide and benzene, known to cause cancer or birth defects.

Operation Procedures

Pre-Start Checklist

Step-by-step guide for checks before starting the engine, ensuring readiness and safety.

Starting the Engine

Detailed instructions on how to safely start the engine, including warnings and procedures.

Cold Weather Starting

Specific tips for starting the engine in cold temperatures, including oil and load considerations.

Stopping the Engine

Procedure for properly shutting down the engine, including fuel valve and ignition switch operations.

Engine Angle of Operation

Guidance on the maximum permissible operating angle to prevent engine damage from lubrication issues.

Engine Speed Control

Warning against tampering with governor settings to maintain safe engine speed and warranty.

Maintenance and Service

Maintenance Schedule

Outlines required maintenance tasks at various service intervals (hours/annually).

Oil Recommendations and Service

Details on recommended oil types, checking oil level, and the oil change procedure.

Fuel System and Ignition Maintenance

Information on fuel recommendations, spark plugs, EFI system, and fuse replacement.

Air Cleaner and Cooling System Care

Instructions for servicing the air cleaner, breather tube, oil cooler, and ensuring proper air cooling.

Storage and Leakage Testing

Procedures for engine storage and testing fuel system connections for leaks.

Troubleshooting Guide

Engine Specifications