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Kohler 4EFOZ

Kohler 4EFOZ
80 pages
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Marine Generator Sets
Models:
5EOZ
8EOZ
9EOZ
10EOZ
4EFOZ
6.5EFOZ
8EFOZ
9EFOZ
TP-6053 7/04a
Service

Table of Contents

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Kohler 4EFOZ Specifications

General IconGeneral
Fuel TypeGasoline
Engine Type4-stroke OHV
Noise Level68 dBA
DC Output12V
OutletsOne 12V DC

Summary

Safety Precautions and Instructions

Electrical and Battery Hazards

Risks from accidental starting, battery acid, and gases.

Fire, Fuel, and Exhaust System Safety

Warnings about fire hazards, fuel system, and carbon monoxide.

Hazardous Voltage and Noise Safety

Risks of electrical shock and prolonged exposure to hazardous noise.

Hot Parts and Moving Parts Safety

Hazards from hot engine components and moving mechanical parts.

Introduction

Manual Overview and Purpose

Information on the manual's content, scope, and purpose.

Service Assistance

Contacting Kohler Support

Information on obtaining professional advice and service from Kohler.

Section 1 Specifications

General Generator Set Information

Overview of generator set models and general specifications.

Engine and Generator Specifications

Detailed technical specifications for engine and generator components.

Section 2 Scheduled Maintenance

General Maintenance and Lubrication

Maintenance precautions, lubrication system, and battery care.

Generator Storage Procedures

Guidelines for storing the generator set for extended periods.

Section 3 Intake and Exhaust System

Air Intake and Exhaust System Maintenance

Procedures for servicing air filters and inspecting exhaust systems.

Section 4 Fuel System

Fuel System Components and Filters

Information on fuel system setup, fuel filter replacement, and bleeding.

Fuel Solenoid and Pump Operations

Operation, testing, and adjustment of fuel solenoid and pump.

Governor Speed Adjustment

Procedure for checking and adjusting engine speed via the governor.

Section 5 Cooling System

Cooling System Components and Coolant Management

Overview of cooling system parts and coolant filling procedures.

Impeller, Belt, and Siphon Break Maintenance

Procedures for impeller, belt tension, and siphon break maintenance.

Anticorrosion Zinc Anode Replacement

Procedure for replacing the heat exchanger's zinc anode.

Section 6 Controller Troubleshooting

Controller Operation and Safety Shutdowns

Controller sequence of operation and engine safety shutdown functions.

Circuit Board and Troubleshooting Flowcharts

Testing circuit board components and using troubleshooting flowcharts.

Section 7 Generator Troubleshooting

General Troubleshooting and Excitation Tests

Initial steps for diagnosing output issues and performing separate excitation tests.

Voltage Regulator, Exciter, and Rectifier Tests

Procedures for testing voltage regulator, exciter field/armature, and rectifier module.

Rotor and Stator Testing

Methods for testing the generator rotor and stator components.

Section 8 Component Troubleshooting

EngineGenerator Component and Remote Panel Testing

Testing procedures for various generator components and remote panels.

Section 9 Generator DisassemblyReassembly

Disassembly and Reassembly Procedures

Step-by-step instructions for taking apart and putting back together the generator.

Section 10 Voltage Reconnection and Wiring Diagrams

Voltage Reconnection and Transfer Switch Wiring

Guidance on reconnecting for different voltages and transfer switch connections.

Generator Wiring Diagrams

Detailed schematic and point-to-point wiring diagrams for the generator.

Appendix A Abbreviations

List of Common Abbreviations

Lists common abbreviations used throughout the manual.

Appendix B Common Hardware Application Guidelines

Fastening Techniques and Hardware Selection

Provides guidance on proper fastening techniques and hardware selection.

Appendix C General Torque Specifications

Fastener Torque Specifications

Lists torque specifications for various American Standard and Metric fasteners.

Appendix D Common Hardware Identification

Identification of Screws, Bolts, Nuts, and Washers

A visual guide to identifying different types of screws, bolts, nuts, and washers.

Appendix E Common Hardware List

Part Numbers for Common Hardware

Provides part numbers and dimensions for common hardware items.

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