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Kohler 80EOZ/70EFOZ User Manual

Kohler 80EOZ/70EFOZ
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 80EOZ/70EFOZ Specifications

General IconGeneral
BrandKohler
Model80EOZ/70EFOZ
CategoryInverter
LanguageEnglish

Summary

Product Identification Information

Safety Precautions and Instructions

Hazardous Voltage/Electrical Shock

Warnings about hazardous voltage, grounding, and disconnecting electrical loads.

Moving Parts

Warnings about hazardous voltage and moving/rotating parts; precautions for airborne particles.

Section 1 Specifications

Section 2 Operation

2.3 Prestart Checklist

Provides a checklist of inspections and checks to perform before or at each startup for satisfactory operation.

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

Identifies the indicators and controls of the Decision-Maker 3+ controller and their functions.

2.7.1 Controls and Indicators

Description of controls and indicators located on the Decision-Maker 3+ controller, including meters and lamps.

2.7.8 Controller Resetting Procedure

Procedure to restart the generator set after a fault shutdown or emergency stop.

2.8 Expanded Decision-Maker 1 Controller Operation

Identifies indicators and controls of the expanded Decision-Maker 1 controller and their functions.

2.8.2 Starting the Generator Set

Actions required to start the generator set locally or automatically.

2.9 Standard Decision-Maker 1 Controller Operation

Identifies indicators and controls of the standard Decision-Maker 1 controller.

2.9.4 Fault Shutdowns

Lists fault conditions that automatically shut down the generator set and require correction for restart.

2.7.4 Starting the Generator Set

Procedures for starting the generator set locally or automatically via transfer switch or remote switch.

2.8.1 Controls and Indicators

Description of controls and indicators located on the expanded Decision-Maker 1 controller.

2.8.3 Stopping the Generator Set

Procedures for normal stopping of the generator set, including cooldown.

2.9.1 Controls and Indicators

Description of controls and indicators located on the standard Decision-Maker 1 controller.

2.9.5 Controller Resetting Procedure

Procedure to restart the generator set after a fault shutdown.

2.7.5 Stopping the Generator Set

Procedures for normal stopping of the generator set, including cooldown.

2.7.7 Fault Shutdowns

Lists fault conditions that automatically shut down the generator set and require correction for restart.

2.8.4 Fault Shutdowns

Lists fault conditions that automatically shut down the generator set and require correction for restart.

2.9.2 Starting the Generator Set

Actions required to start the generator set locally or automatically.

2.8.5 Controller Resetting Procedure

Procedure to restart the generator set after a fault shutdown.

2.9.3 Stopping the Generator Set

Procedures for normal stopping of the generator set, including cooldown.

Section 3 Scheduled Maintenance

Section 4 General Troubleshooting

Section 4 Troubleshooting

Section 5 Decision-Maker 3+ Troubleshooting

5.1 Decision-Maker 3+ Controller

Overview of the Decision-Maker 3+ controller, its features, and component locations.

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

Identification of terminals and connectors on the Decision-Maker 3+ controller circuit board.

5.1.2 Fault Shutdowns, Decision-Maker 3+ Controller

Identifies fault conditions for the Decision-Maker 3+ controller and their causes.

5.3 Microprocessor Controller

Troubleshooting for the microprocessor controller, including safety warnings.

5.3.1 Troubleshooting

Charts for troubleshooting individual problems, including fuse issues and controller faults.

Section 6 Decision-Maker 1 Controller Troubleshooting

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

Covers relay controller sequence of operation for start, run, stop, and fault shutdown modes.

6.2 Relay Controller

Provides charts for troubleshooting individual problems with the relay controller.

6.2.1 Relay Controller Flowchart

Flowchart for troubleshooting the relay controller, covering engine cranking and fault conditions.

Section 7 Component Testing and Adjustment

7.1 Generator Troubleshooting

Flowchart to troubleshoot generator set issues like no or high voltage, with additional detailed tests.

7.2.2 Overvoltage

Test procedure for diagnosing and resolving overvoltage conditions in the generator.

7.5 Automatic Voltage Regulator (AVR) Operation and Adjustment

Information on AVR operation, stability, and voltage/Hz adjustment procedures.

7.14 Governor Adjustment

Procedures for adjusting mechanical and electronic governors for proper engine speed and stability.

7.2.1 No Output On Any Phase

Test procedure to diagnose and resolve 'no output voltage' conditions on any phase.

7.2.3 Fluctuating Voltage

Test procedure for diagnosing and resolving fluctuating voltage output.

Section 8 Disassembly/Reassembly

Section 9 Wiring Diagrams

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