EasyManua.ls Logo

Kohler CH18

Kohler CH18
124 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
CH18-CH25, CH620-CH730, CH740, CH750
Service Manual
2 Safety
3 Maintenance
5 Speci cations
15 Tools and Aids
18 Troubleshooting
23 Air Cleaner/Intake
24 Fuel System
40 Governor System
58 Lubrication System
60 Electrical System
79 Starter System
88 Clutch
90 Disassembly/Inspection and Service
107 Reassembly
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.
124 690 06 Rev. P KohlerEngines.com

Questions and Answers:

Kohler CH18 Specifications

General IconGeneral
Compression Ratio8.5:1
Fuel TypeGasoline
Cooling SystemAir-cooled
Ignition SystemElectronic
Starter TypeElectric
Power18 hp (13.4 kW)
Oil Capacity1.4 L (1.5 qt)
LubricationFull Pressure

Summary

Safety Precautions

Explosive Fuel Hazards

Warning about risks associated with flammable fuel.

Rotating Parts Hazards

Warning about dangers of moving engine components.

Carbon Monoxide Hazards

Warning about risks of inhaling exhaust fumes.

Accidental Starts Hazards

Warning about preventing unintended engine startup.

Maintenance Schedule and Parts

MAINTENANCE SCHEDULE

Schedule for routine engine upkeep tasks.

REPAIRSSERVICE PARTS

Information on obtaining replacement components.

Engine Specifications

Engine Dimensions with Low-Profile Air Cleaner

Detailed measurements for engine with low-profile air cleaner.

Engine Dimensions with Heavy-Duty Air Cleaner

Detailed measurements for engine with heavy-duty air cleaner.

ENGINE IDENTIFICATION NUMBERS

Identifying engine model, spec, and serial numbers.

GENERAL SPECIFICATIONS

Key technical data like bore, stroke, displacement.

TORQUE SPECIFICATIONS

Tightening values for various fasteners.

CLEARANCE SPECIFICATIONS

Tolerances for engine component clearances.

Service Tools and Aids

SEPARATE TOOL SUPPLIERS

List of external tool vendors.

TOOLS

Specialized tools for engine service and diagnostics.

Engine Troubleshooting Guide

TROUBLESHOOTING GUIDE

General guide to diagnose common engine issues.

Engine Cranks But Will Not Start

Diagnosing issues when the engine won't start.

Engine Will Not Crank

Diagnosing issues when the engine won't turn over.

Engine Overheats

Diagnosing and resolving engine overheating problems.

Engine Knocks

Diagnosing abnormal engine knocking sounds.

Air Cleaner and Intake System

AIR CLEANER

Information on air cleaner systems and components.

BREATHER TUBE

Proper connection and function of the breather tube.

AIR COOLING

Ensuring proper engine cooling to prevent overheating.

Fuel System Operation and Testing

FUEL SYSTEM

Overview of fuel system components and operation.

FUEL RECOMMENDATIONS

Guidelines for selecting appropriate fuel.

FUEL SYSTEM TESTS

Procedures to diagnose fuel system issues.

Governor System Overview

GOVERNOR

Explanation of governor types and function.

ELECTRONIC GOVERNOR

Details on electronic governor components and operation.

Digital Linear Actuator (DLA)

Function and adjustment of the digital linear actuator.

Governor control unit (GCU)

Role of GCU in engine speed regulation.

Lubrication System Service

CHECK OIL LEVEL

Procedure for checking and maintaining engine oil level.

CHANGE OIL AND FILTER

Steps for performing an oil and filter change.

OIL COOLER (if equipped)

Maintenance of engine oil coolers.

Electrical System Components

SPARK PLUGS

Inspection, service, and troubleshooting of spark plugs.

Service

Steps for cleaning, gapping, and replacing spark plugs.

Inspection

How to interpret spark plug condition for diagnostics.

Starter System Troubleshooting

Troubleshooting-Starting Diffi culties

Diagnosing common starting system problems.

Clutch Service and Adjustment

WET DISC TYPE CLUTCH (if equipped)

Information specific to wet disc clutches.

Adjustment

Procedure for adjusting clutch engagement.

Disassembly and Inspection Procedures

External Engine Components

Overview of external engine parts for service.

Remove Ignition Modules

Procedures for removing ignition modules.

Remove Flywheel

How to safely remove the engine flywheel.

Remove Cylinder Heads and Hydraulic Lifters

Steps for removing cylinder heads and hydraulic lifters.

Engine Reassembly Procedures

Crankcase Components

Identification of crankcase assembly parts.

Install Governor Cross Shaft

Procedure for installing the governor cross shaft.

Install Crankshaft

Procedure for installing the engine crankshaft.

Install Connecting Rods with Pistons and Rings

Procedure for installing connecting rods, pistons, and rings.

Install Camshaft

Procedure for installing the engine camshaft.

Related product manuals