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Kohler 65COZ/50CFOZ User Manual

Kohler 65COZ/50CFOZ
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 65COZ/50CFOZ Specifications

General IconGeneral
BrandKohler
Model65COZ/50CFOZ
CategoryInverter
LanguageEnglish

Summary

Service

Safety Precautions and Instructions

Accidental Starting

Safety precautions regarding accidental generator set starting.

Battery

Safety precautions related to battery handling and acid.

Hazardous Voltage/Electrical Shock

Safety precautions regarding hazardous voltage and electrical shock.

Hot Parts

Safety precautions regarding hot components like coolant and engine parts.

Moving Parts

Safety precautions regarding moving parts of the generator set.

Grounding Electrical Equipment Safety

Safety precautions for grounding electrical equipment.

Decision-Maker 3+ Troubleshooting

Decision-Maker 3+ Controller

Details on the Decision-Maker 3+ controller.

Circuit Board Terminal/Connector Identification

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

Controller LED Indicators

Mapping of controller LEDs to their indicator functions.

Fault Shutdowns

Troubleshooting chart for fault conditions indicated by lamps.

Controller Troubleshooting

General troubleshooting guidance for controller problems.

Engine Does Not Crank Troubleshooting

Flowchart for troubleshooting when the engine does not crank.

Engine Cranks, But Does Not Start Troubleshooting

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

Controller Instrumentation Troubleshooting

Troubleshooting for controller instrumentation issues.

Overcrank Lamp Troubleshooting

Troubleshooting the overcrank lamp condition.

FASTCHECK Features and Operation

Features and operational guide for the FASTCHECK simulator.

Overcrank Test

Procedure to test the controller's overcrank detection capability.

Controller Speed Sensor Circuitry Test

Test for controller response to speed sensor signals.

Component Testing and Adjustment

Generator Troubleshooting

Troubleshooting procedures for generator issues.

Generator No Output Voltage Troubleshooting

Flowchart for troubleshooting no output voltage from the generator.

Generator High Output Voltage Troubleshooting

Flowchart for troubleshooting high output voltage from the generator.

No Output On Any Phase Test

Procedure to test for no output voltage on any phase.

LED Circuit Board Test

Procedure for testing the LED circuit board.

Photo Transistor Circuit Board Test

Procedure for testing the photo transistor circuit board.

SCR Assembly and Photo Transistor Board

Concept and equipment for testing SCR assembly and photo transistor board.

SCR Assembly/Photo Transistor Board Test

Procedure to test the SCR assembly and photo transistor board.

AVR Operation and Adjustment

Operation and adjustment procedures for the Automatic Voltage Regulator.

Disassembly/Reassembly

Remove Generator Set from Service

Steps to safely remove the generator set from service before disassembly.

Wiring Diagrams

Accidental Starting Safety

Safety precautions regarding accidental generator set starting.

Hazardous Voltage and Moving Rotor Safety

Safety precautions regarding hazardous voltage and moving rotors.

Short Circuits Safety

Safety precautions regarding short circuits.

Overvoltage Shutdown Adjustment

Procedure for adjusting overvoltage shutdown settings.

Overvoltage Shutdown Adjustment Procedure

Detailed procedure for adjusting the overvoltage shutdown.

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