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Kohler 6.5EFOZ

Kohler 6.5EFOZ
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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

Other manuals for Kohler 6.5EFOZ

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Kohler 6.5EFOZ Specifications

General IconGeneral
Model6.5EFOZ
TypePortable Generator
Power Output6500 watts
Fuel TypeGasoline
Run Time at 50% Load10 hours
Displacement389 cc
AC Output120/240V
DC Output12V
Noise Level68 dB
Outlets2 x 120V, 1 x 120/240V

Summary

Safety Precautions and Instructions

Accidental Starting

Precautions to prevent accidental generator startup and associated hazards.

Battery

Safety warnings and procedures related to handling batteries and battery acid.

Engine BackfireFlash Fire

Hazards associated with engine backfire and flash fires, including fuel handling precautions.

Exhaust System

Information on exhaust system inspection and carbon monoxide hazards.

Fuel System

Safety precautions for handling fuel, preventing leaks, and avoiding explosive vapors.

Hazardous Noise

Warnings about potential hearing loss from generator noise and recommended protection.

Hazardous Voltage

Critical safety warnings regarding hazardous voltage, electrical shock, and welding.

Hot Parts

Warnings about hot engine components and coolant, and procedures for safe handling.

Moving Parts

Safety warnings for moving parts, rotating components, and hardware tightening procedures.

Introduction

Service Assistance

Contact information and resources for obtaining professional advice and service.

Section 1 Specifications

1.1 General

Overview of the manual's scope and generator set models covered.

1.2 Service Views

Visual identification of generator set components through service diagrams.

1.3 Engine

Detailed specifications for the generator set's engine, including model and performance data.

1.4 Generator

Electrical specifications for the generator component, including voltage and resistance readings.

Section 2 Scheduled Maintenance

2.1 General

General safety guidelines and notes for performing scheduled maintenance procedures.

2.2 Lubrication System

Procedures and recommendations for engine oil changes and lubrication system maintenance.

2.3 Battery

Guidelines for battery maintenance, including safety precautions for handling acid and gases.

2.4 Generator Storage

Step-by-step procedure for storing the generator set for extended periods.

Section 3 Intake and Exhaust System

3.1 Air Intake SilencerFilter

Procedures for cleaning or replacing the air intake silencer and filter element.

3.2 Exhaust System

Guidelines for inspecting the exhaust system for leaks, blockages, and carbon monoxide hazards.

3.3 Mixing Elbow

Maintenance and inspection procedures for the mixing elbow, focusing on corrosion and buildup.

Section 4 Fuel System

4.1 General

Overview of the fuel system, including tank arrangements and fuel availability.

4.2 Fuel Specifications

Recommended fuel types and quality standards for optimal engine performance.

4.3 Fuel Filter

Procedures for replacing the spin-on fuel filter and fuel filter element.

4.4 Bleed the Fuel System

Step-by-step procedure to remove air from the fuel system to ensure proper operation.

4.5 Fuel Solenoid

Information on the fuel solenoid's function, operation, and readings.

Fuel Solenoid Adjustment Procedure

Steps for adjusting the fuel solenoid linkage to ensure proper operation and prevent burnout.

4.6 Fuel Pump

Procedure for testing the fuel pump's functionality and performance.

4.7 Governor

Information on the governor's function and procedures for adjusting engine speed and frequency.

Section 5 Cooling System

5.1 General

Overview of the cooling system components and safety precautions regarding hot coolant.

5.2 Water-Cooled Exhaust Manifold

Details on the water-cooled exhaust manifold, including bolt tightening sequences and torques.

5.3 Closed Heat Exchanger

Explanation of the closed cooling system and heat exchanger operation.

5.4 Fill Check and Coolant

Procedures for checking coolant levels and filling the system with the correct coolant mixture.

5.5 Flush and Clean Cooling System

Steps for draining, flushing, and refilling the cooling system for optimal performance.

5.6 Pressure Cap

Information on the pressure cap's function in raising the boiling point of coolant.

5.7 Impeller Inspection and Replacement

Procedures for inspecting and replacing the seawater pump impeller.

5.8 Belt Tension

Procedures for checking and adjusting belt tension for optimal component operation.

5.9 Siphon Break

Inspection procedure for the siphon break to prevent seawater entry into the engine.

5.10 Anticorrosion Zinc Anode

Procedures for checking and replacing the anticorrosion zinc anode to prevent electrolytic corrosion.

Section 6 Controller Troubleshooting

6.1 General

Introduction to controller troubleshooting procedures and identification of controller components.

6.2 Controller Sequence of Operation

Explanation of the controller's operation during start, run, stop, and fault sequences.

6.3 Engine Safety Shutdown Switches

Details on how safety shutdown switches (LOP, HWT, HET) function and trigger shutdowns.

6.4 Controller Circuit Board

Information on testing controller circuit board components and understanding LED indicators.

6.5 Troubleshooting

Flowchart guide for troubleshooting generator set issues related to the controller and relays.

Section 7 Generator Troubleshooting

7.1 General

General safety precautions and an introduction to generator troubleshooting tests.

7.2 General Troubleshooting

Steps and flowchart for diagnosing no- or low-AC output issues.

7.3 Separate Excitation

Procedure for separately exciting the generator to test the voltage regulator, rotor, and stator.

7.4 PowerBoost IIIE Voltage Regulators

Overview of the PowerBoost IIIE voltage regulator and its adjustment procedures.

Voltage Regulator Adjustment Procedure

Step-by-step guide for adjusting voltage, stability, and frequency settings of the regulator.

7.5 Exciter Field

Procedure for testing the exciter field's continuity and checking for ground faults.

7.6 Exciter Armature

Procedures for testing the exciter armature's resistance and checking for ground faults.

7.7 Rectifier Module

Procedure for testing the rectifier module's diodes for proper functionality.

7.8 Rotor

Procedures for testing the generator rotor's main field resistance and checking for shorts or open windings.

7.9 Stator

Procedures for testing the stator's continuity, resistance, and checking for ground faults.

Section 8 Component Troubleshooting

8.1 General

General guidelines for checking generator set components using a multimeter and wiring harnesses.

8.2 Remote Panels (Optional)

Procedures for troubleshooting remote start panels, including switches and gauges.

Section 9 Generator DisassemblyReassembly

9.1 Disassembly

Step-by-step instructions for safely disassembling the generator set and its components.

9.2 Reassembly

Procedures for reassembling the generator set after disassembly, including torque specifications.

Section 10 Voltage Reconnection and Wiring Diagrams

10.1 Voltage Reconnection

Guidelines and diagrams for reconnecting the generator set for different voltage configurations.

10.2 Marine Manual (Ship-to-Shore) Transfer Switch

Wiring diagrams for ship-to-shore transfer switch configurations with generator sets.

10.3 Wiring Diagram, Schematic

Detailed schematic wiring diagram illustrating the generator set's electrical connections.

10.4 Wiring Diagram, Point-to-Point

Point-to-point wiring diagram showing the physical connections between components.

10.5 Remote Start Panel

Wiring diagram for the basic remote start panel configuration.

10.6 Remote Start and 2-Meter Panel

Wiring diagram for remote start panels with two gauges.

10.7 Remote Start and 4-Meter Panel

Wiring diagram for remote start panels with four gauges.

Appendix A Abbreviations

Appendix B Common Hardware Application Guidelines

Appendix C General Torque Specifications

Appendix D Common Hardware Identification

Appendix E Common Hardware List

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