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Kohler 40COZ/33CFOZ User Manual

Kohler 40COZ/33CFOZ
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 40COZ/33CFOZ Specifications

General IconGeneral
BrandKohler
Model40COZ/33CFOZ
CategoryInverter
LanguageEnglish

Summary

Safety Precautions and Instructions

Introduction

Manual's introduction and scope.

Battery Safety Precautions

Safe handling and servicing of batteries.

Section 1 Specifications

1.1 Introduction

Overview of specification sheets and manuals.

1.2 Specifications

Generator and exciter system description.

1.3 Accessories

Options for installation and operation convenience.

Section 2 Operation

2.1 Fast-Response II Concepts

Explanation of the generator excitation system.

2.2 Short Circuit Performance

How the generator performs during short circuits.

2.3 Prestart Checklist

Essential checks before starting the generator set.

2.4 Marine Inspection

Recommendation for annual vessel inspection.

2.5 Angular Operation

Limits for generator set angular operation.

2.6 Exercising the Generator Set

Procedure for weekly generator set operation.

Section 3 Scheduled Maintenance

3.1 General Maintenance

General maintenance procedures and safety.

3.2 Generator Bearing

Procedure for replacing generator end bracket bearings.

3.3 Storage Procedure

Steps for preparing the generator set for storage.

Section 4 General Troubleshooting

Section 5 Decision-Maker 3+ Troubleshooting

5.1 Decision-Maker 3+ Controller

Overview of the controller's features and components.

5.2 Microprocessor Controller Relay Descriptions

Description of controller relays and their functions.

5.3 Microprocessor Controller

Troubleshooting the microprocessor controller.

5.4 FASTCHECK Features and Operation

Features and operation of the FASTCHECK tester.

Section 6 Decision-Maker 1 Controller Troubleshooting

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

Overview of Decision-Maker 1 relay controller operation.

6.2 Relay Controller

Troubleshooting for relay controller problems.

Section 7 Component Testing and Adjustment

7.1 Generator Troubleshooting

Troubleshooting generator issues related to voltage output.

7.2 Generator Testing

Procedures for testing generator output.

7.3 LED Circuit Board Test

Procedure for testing the LED circuit board.

7.4 SCR Assembly and Photo Transistor Board

Testing the SCR assembly and photo transistor board.

7.5 Automatic Voltage Regulator (AVR) Operation and Adjustment

AVR operation, adjustment, and testing procedures.

Section 7 Component Testing and Adjustment

7.6 Stator

Testing procedures for the generator stator windings.

7.7 Generator Field

Testing procedures for the generator field.

7.8 Exciter Armature

Testing procedures for the exciter armature.

7.9 End Bracket Removal and Replacement

Procedures for removing and replacing the end bracket.

7.10 Speed Sensor Test

Testing the speed sensor for signal emission.

7.11 Current Transformers

Function, application, and testing of current transformers.

7.12 Reactive Droop Compensator

Function and adjustment of the reactive droop compensator.

7.13 Gauge Senders

Testing oil pressure and water temperature senders.

7.14 Governor Adjustment

Procedures for adjusting generator governors.

Section 8 Disassembly/Reassembly

8.1 Disassembly

Step-by-step procedure for disassembling the generator set.

8.2 Reassembly

Step-by-step procedure for reassembling the generator set.

Section 9 Wiring Diagrams

9.1 Voltage Reconnection

Procedure for changing generator voltage configurations.

9.2 Overvoltage Shutdown Adjustment

Procedure to adjust overvoltage shutdown settings.

9.3 Generator Set Frequency Change and Adjustment

Procedures for changing generator frequency.

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