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Kohler 50EOZ/40EFOZ - User Manual

Kohler 50EOZ/40EFOZ
148 pages
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Marine Generator Sets
Models:
40COZ/33CFOZ, 40EOZ/33EFOZ
50COZ/40CFOZ, 50EOZ/40EFOZ
65COZ/50CFOZ, 65EOZ/55EFOZ
80EOZ/70EFOZ, 99EOZ/80EFOZ
125EOZ/100EFOZ, 150EOZ/125EFOZ
Controllers:
Decision-Makert 3+
Decision-Makert 1 Standard
Decision-Makert 1 Expanded
TP-5737 5/01b
Service

Table of Contents

Questions and Answers:

Kohler 50EOZ/40EFOZ Specifications

General IconGeneral
BrandKohler
Model50EOZ/40EFOZ
CategoryInverter
LanguageEnglish

Summary

Safety Precautions and Instructions

Accidental Starting

Precautions to prevent accidental generator set starting.

Battery

Safety precautions related to battery handling and acid.

Battery gases

Hazards associated with battery gases and explosion prevention.

Battery short circuits

Hazards of battery short circuits and prevention measures.

Engine Backfire;Flash Fire

Hazards related to engine backfire and flash fires.

Exhaust System

Safety precautions regarding exhaust systems and carbon monoxide.

Fuel System

Safety precautions for handling fuels and preventing explosions.

Hazardous Noise

Precautions regarding hazardous noise levels and hearing protection.

Hazardous Voltage;Electrical Shock

Warnings about hazardous voltage and electrical shock hazards.

Hot Parts

Warnings about hot parts like coolant, steam, engine, and exhaust systems.

Moving Parts

Hazards associated with moving parts and protective measures.

Section 2 Operation

2.3 Prestart Checklist

Lists essential checks before or at each generator set startup.

2.7 Decision-Maker 3+ 16-Light Microprocessor Controller Operation

Details the operation of the Decision-Maker 3+ controller.

2.7.1 Controls and Indicators

Describes the controls and indicators on the Decision-Maker 3+ controller.

2.7.4 Starting the Generator Set

Procedures for starting the generator set locally or automatically.

2.7.5 Stopping the Generator Set

Procedures for normal stopping and emergency stopping of the generator set.

2.7.7 Fault Shutdowns

Lists fault conditions that cause automatic generator set shutdown.

2.7.8 Controller Resetting Procedure (Following Fault Shutdown)

Procedure to restart the generator set after a fault shutdown.

2.7.9 Resetting the Emergency Stop Switch

Procedure to reset the emergency stop switch after shutdown.

2.8 Expanded Decision-Maker 1 Controller Operation

Overview of the expanded Decision-Maker 1 controller.

2.8.1 Controls and Indicators

Describes controls and indicators for the expanded Decision-Maker 1 controller.

2.8.2 Starting the Generator Set

Procedures for starting the expanded Decision-Maker 1 generator set.

2.8.3 Stopping the Generator Set

Procedures for stopping the expanded Decision-Maker 1 generator set.

2.8.4 Fault Shutdowns

Lists fault conditions causing shutdown for the expanded controller.

2.8.5 Controller Resetting Procedure (Following Fault Shutdown)

Procedure to restart after a fault shutdown for the expanded controller.

2.9 Standard Decision-Maker 1 Controller Operation

Overview of the standard Decision-Maker 1 controller.

2.9.1 Controls and Indicators

Describes controls and indicators for the standard Decision-Maker 1 controller.

2.9.2 Starting the Generator Set

Procedures for starting the standard Decision-Maker 1 generator set.

2.9.3 Stopping the Generator Set

Procedures for stopping the standard Decision-Maker 1 generator set.

2.9.4 Fault Shutdowns

Lists fault conditions causing shutdown for the standard controller.

2.9.5 Controller Resetting Procedure (Following Fault Shutdown)

Procedure to restart after a fault shutdown for the standard controller.

Section 4 General Troubleshooting

Trouble Symptoms

Table listing common trouble symptoms, probable causes, and recommended actions.

Section 5 Decision-Maker 3+ Troubleshooting

5.1 Decision-Maker 3+ Controller

Overview of the Decision-Maker 3+ controller and its components.

5.1.1 Decision-Maker 3+ Circuit Board Terminal;Connector Identification

Identifies terminals and connectors on the Decision-Maker 3+ circuit board.

5.1.2 Fault Shutdowns, Decision-Maker 3+ Controller

Lists fault conditions and indicators for the Decision-Maker 3+ controller.

5.2 Microprocessor Controller Relay Descriptions

Describes the functions of various controller relays.

5.2.1 K1 Relay, Starter Solenoid

Describes the K1 relay and its function with the starter solenoid.

5.3.1 Troubleshooting

General troubleshooting charts for individual problems.

Engine Does Not Crank

Flowchart for troubleshooting when the engine does not crank.

Engine Cranks, But Does Not Start

Flowchart for troubleshooting when the engine cranks but does not start.

Section 6 Decision-Maker 1 Controller Troubleshooting

6.1 Decision-Maker 1 and Decision-Maker 1 Expanded Relay Controller

Covers operation sequence and component identification for Decision-Maker 1 controllers.

6.2.1 Relay Controller Flowchart

Flowchart for troubleshooting the relay controller starting sequence.

Section 7 Component Testing and Adjustment

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