Kohler CH18, CH20, CH22, CH25 Command Engine Service Manual 1991-1997
Diagnostic, removal, and maintenance procedures for Kohler CH18-CH25 Command engines: fuel system, ignition, governor, and electrical systems. Part 24 455 04-S.
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Models Covered & Key Technical Specifications
Kohler CH18-CH25 Command Engine Service Manual 1991-1997
Diagnostic, removal, and maintenance procedures for Kohler CH18-CH25 Command engines: fuel system, ignition, governor, and electrical systems. Part 24 455 04-S.
- Factory Power Draw: 13.4-18.8 HP establishes the maximum output capacity.
- Essential Ambient Limits: For optimal operation, 35°C defines the environmental limit Framework.
- Key Power Rating: 4.7 N-m -- signifies the blower housing mounting torque Threshold.
- Verified Circuit Specs: The EFI system requires 7.0 volts to operate Logic.
- Designated Fuel Type: Unleaded gasoline is recommended for engine operation Parameters.
- Approved Ignition Timing: Timing is controlled by the ECU to maintain peak performance Range.
Professional Workshop Service Manual & Technical Specifications
Unified Training Safety Manual: Kohler CH18 CH20 CH22 CH25 Command Engine Service Manual - 1991-1997 Precision Maintenance & Troubleshooting Specification-Guide
| Performance-Values: CH18-25 // Conceptual-Layout: Engines (Gasoline) / EFI Logic // Performance-Values: 12.5 MB | Specification | System-Path | Logic |
|---|---|---|---|
| CH18-25 | Engine Identification | Data | |
| Power (@ 3600 RPM) | Specifications | Values | |
| Peak Torque | Curves | Data | |
| Bore | Specifications | Measurements | |
| Compression Ratio | Data | Values | |
| Dry Weight | Specifications | Measurements |
The documentation provides guidance on system operation descriptions cover diagnostics, electrical components, fuel system, governor, and ignition. Assembly instructions are detailed for electrical systems and fuel components. Hydraulic schematics are included for fuel system components. Steering component information is provided for fuel delivery. This manual documents torque specifications for blower housing mounting to ensure proper flange face sealing.
System operation descriptions cover
This manual provides comprehensive details on engine operation and component function, focusing on the EFI system. It outlines the roles of various sensors and the Engine Control Unit (ECU) in managing fuel delivery and ignition timing to maintain optimal air/fuel ratios and emissions.
The documentation addresses
Key electrical components, including the ECU, engine speed sensor, and throttle position sensor, are thoroughly detailed. Troubleshooting guides for common faults and diagnostic codes are provided to assist in identifying and resolving issues.
Assembly instructions are detailed for
Specific procedures for the fuel pump, fuel pressure regulator, and fuel filter are outlined, ensuring correct installation and operation of the fuel delivery system.
Hydraulic schematics are included for
While the focus is on EFI components, the manual implicitly covers hydraulic principles related to fuel delivery within the system.
Steering component information is provided for
This information pertains to the throttle linkage and governor assembly, detailing their adjustment and function for precise engine speed control.
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