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Kohler 20EOR

Kohler 20EOR
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Commercial/Recreational
Mobile Generator Sets
Models:
7.5EOR/EORZ
10EOR/EORZ
15EOR/EORZ
20EOR/EORZ
6EFOR/EFORZ
9EFOR/EFORZ
12.5EFOR/EFORZ
16.5EFOR/EFORZ
TP-6073 4/06a
Service

Table of Contents

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Kohler 20EOR Specifications

General IconGeneral
BrandKohler
Model20EOR
CategoryPortable Generator
LanguageEnglish

Summary

Safety Precautions and Instructions

Accidental Starting and Battery Hazards

Covers risks of unintended starting and hazards from battery acid and gases.

Fire, Exhaust, and Fuel System Hazards

Addresses fire risks, carbon monoxide, and fuel system dangers.

Noise and Electrical Shock Hazards

Details risks from hazardous noise levels and electrical shock.

Hot Parts, Moving Parts, and Hardware Safety

Covers dangers from hot components, moving parts, and hardware installation.

General Notices and Installation Guidelines

Important notices on voltage reconnection, hardware use, and installation standards.

Introduction and Service Assistance

Manual Overview and Safety Emphasis

Details the manual's scope, safety guidelines, and maintenance importance.

Kohler Service Contact Information

Provides contact details for Kohler service and support offices worldwide.

Section 1 Specifications

Generator Component Views and Identification

Visual identification of generator set parts for 7.5-10 kW and 15-20 kW models.

Engine Specifications by Model

Technical data for engine make, model, displacement, and performance parameters.

Generator Electrical Specifications

Detailed electrical properties of generator components like windings and fields.

Section 2 Scheduled Maintenance

General Maintenance and Safety Procedures

Essential safety practices and general guidelines before performing generator set maintenance.

Lubrication and Battery Charging Systems

Guidance on engine oil selection and the function of the battery charging alternator.

Belt Tension and Battery Servicing

Procedures for adjusting belt tension and safety for battery maintenance.

Generator Set Storage Procedures

Instructions for preparing the generator set for long-term storage, covering key systems.

Section 3 Intake and Exhaust System

Air Cleaner Service and Exhaust Inspection

Procedures for servicing air cleaner and inspecting exhaust for safety.

Section 4 Fuel System

Fuel Specifications and Filter Service

Details fuel quality requirements and procedures for replacing the fuel filter.

Fuel System Bleeding and Governor Adjustment

Steps to bleed air from the fuel system and adjust engine speed via the governor.

Section 5 Cooling System

Cooling System Maintenance and Refill

Procedures for draining, flushing, cleaning, and refilling the cooling system.

Section 6 Controller Troubleshooting

Controller Operation and Safety Shutdowns

Description of controller sequences and automatic safety shutdown functions.

Controller Circuit Board Testing

Guidance on testing relays and LEDs on the controller circuit board.

Troubleshooting Flowchart for Controller Issues

A step-by-step guide to diagnose and fix common controller malfunctions.

Section 7 Generator Troubleshooting

General Troubleshooting and Safety

Initial troubleshooting steps, safety, and separate excitation test.

Voltage Regulator and Component Testing

Testing voltage regulators, brushes, exciter field, armature, rectifier, rotor, and stator.

Voltage Regulator Adjustment Procedures

Detailed steps for adjusting generator voltage, stability, and frequency response.

Section 8 Component Troubleshooting

EngineGenerator and Electrical Component Tests

Tests for hourmeter, stator windings, and other electrical components.

Remote Start Panel and Sender Tests

Procedures for testing remote start panels, switches, gauges, and senders.

Section 9 Generator DisassemblyReassembly

Disassembly and Reassembly Procedures

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

Section 10 Wiring Diagrams

Wiring Diagram Safety and Reconnection

Safety warnings and procedures for voltage reconnection and wiring.

Remote Start and Model-Specific Wiring Diagrams

Schematics for remote start panels and various generator models.

Generator Reconnection Configurations

Diagrams for four-lead, twelve-lead, and phase reconnection of generator sets.

Appendices: Reference Information

Common Abbreviations and Hardware Identification

Lists of common abbreviations and guides for identifying hardware.

Torque Specifications and Hardware Lists

Torque values for fasteners and lists of common hardware parts.

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