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Generac Power Systems 13 kW NG

Generac Power Systems 13 kW NG
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DIAGNOSTIC
REPAIR
MANUAL
STANDBY GENERATORS
Air-Cooled Product with Nexus Control
MODELS:
7 kW NG, 8 kW LP
9 kW NG, 10 kW LP
13 kW NG, 14 kW LP
15 kW NG, 15 kW LP
16 kW NG, 17 kW LP
18 kW NG, 20 kW LP
®

Table of Contents

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Generac Power Systems 13 kW NG Specifications

General IconGeneral
BrandGenerac Power Systems
Model13 kW NG
CategoryPortable Generator
LanguageEnglish

Summary

Part 1 General Information

Section 1.1 Generator Basics

Provides basic understanding of the generator, installation, and operating instructions.

Section 1.2 Installation Basics

Details installation requirements for home standby systems, including location, grounding, and fuel.

Section 1.3 Preparation Before Use

Covers pre-operation checks, fuel system configuration, and required tools for generator setup.

Section 1.4 Measuring Electricity

Explains the use of meters (VOM, AC voltmeter, frequency meter) for measuring electrical properties.

Section 1.5 Testing, Cleaning and Drying

Provides procedures for visual inspection, insulation resistance testing, cleaning, and drying the generator.

Section 1.6 Operating Instructions

Details control panel usage, user interface, and selection of automatic or manual operation modes.

Section 1.7 Automatic Operating Parameters

Describes generator behavior during utility failure, cranking, and load transfer parameters.

Section 1.8 General Maintenance

Covers maintenance schedules, air filter, spark plugs, visual inspection, and battery care.

Section 1.9 Wireless Remote

Explains the wireless monitor, its alerts, troubleshooting, and advanced features.

Section 1.10 Control Panel Menu System Navigation

Guides navigation of the Nexus control panel menus for history, status, edit, and debug.

Section 1.11 General Troubleshooting Guidelines

Provides general tips for troubleshooting, recommended tools, and important notes regarding connectors.

Part 2 AC Generators

Section 2.1 Description and Components

Details the alternator assembly, rotor, stator, brush holder, and other AC generator components.

Section 2.2 Operational Analysis

Explains rotor magnetism, field boost, and generator operation under various conditions.

Section 2.3 Troubleshooting Flowcharts

Presents troubleshooting flowcharts for common AC generator problems like under-voltage and high voltage.

Section 2.4 Diagnostic Tests

Provides step-by-step diagnostic tests for AC troubleshooting, including voltage, frequency, and component checks.

Part 3 Transfer Switch

Section 3.1 Description and Components

Details the transfer switch enclosure, contactor, relay, neutral lug, and customer connections.

Section 3.2 Operational Analysis

Explains the operational sequence for utility voltage status, failure, and restoration.

Section 3.3 Troubleshooting Flowcharts

Offers flowcharts for common transfer switch issues like no transfer or incorrect operation.

Section 3.4 Diagnostic Tests

Provides specific diagnostic tests for the transfer switch, including voltage, circuit, and fuse checks.

Part 4 EngineDC Control

Section 4.1 Description and Components

Familiarizes with Engine and DC Control components, including controller, connections, and indicators.

Section 4.2 Engine Protective Devices

Details engine protective devices like low battery, oil pressure, high temperature, and overspeed protection.

Section 4.3 Operational Analysis

Explains DC and AC control system operation, including utility voltage status and engine states.

Section 4.4 Troubleshooting Flowcharts

Provides flowcharts for engine problems like no crank, no start, rough running, and shutdown alarms.

Section 4.5 Diagnostic Tests

Details diagnostic tests for engine and DC control systems, covering various components and circuits.

Part 5 Operational Tests

Section 5.1 System Functional Tests

Covers functional tests for manual transfer, system voltage, generator under load, and automatic operation.

Section 5.2 Setup Procedures

Details setting exercise time and performing the activation process for the generator controller.

Part 6 Disassembly

Section 6.1 Major Disassembly

Provides step-by-step instructions for major disassembly, including front engine access and component removal.

Part 7 Electrical Data

8 KW 2010 Air-Cooled Wiring Diagram (0 H6912-B)

Detailed wiring diagram for the 8KW 2010 Air-Cooled HSB model.

10-14 KW 2010 Air-Cooled Wiring Diagram (0 H7358-B)

Wiring diagram for the 10-14KW 2010 Air-Cooled HSB models.

17 KW 2010 Air-Cooled Electrical Schematic (0 H6198-C)

Electrical schematic for the 17KW 2010 Air-Cooled HSB model.

20 KW 2010 Air-Cooled Wiring Diagram (0 H7570-B)

Wiring diagram for the 20KW 2010 Air-Cooled HSB model.

HSB Transfer Switch Schematics (0 H6385-A & 0 H6386-B)

Electrical schematics for HSB Transfer Switch models.

Appendix A Supplemental Worksheets

Test 4 Results Worksheet

Worksheet for recording results of Diagnostic Test 4.

Test 7 Stator Results Worksheet

Worksheet for recording results of Diagnostic Test 7.

Test 66 Results Worksheet

Worksheet for recording results of Diagnostic Test 66.

Generator Failure Analysis Form

Form for documenting generator failures, tests performed, and reasons for failure.

Appendix B Index of Figures and Tables

Index of Figures

An alphabetical listing of all figures in the manual with their corresponding page numbers.

Index of Tables

An alphabetical listing of all tables in the manual with their corresponding page numbers.

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