Generac Generator Troubleshooting Manual – PDF DOWNLOAD

Description

Generac Generator Troubleshooting Manual

DESCRIPTION:

This guide has been written and published by Briggs & Stratton Corporation to aid our dealers’ mechanics and company service personnel when servicing the products described herein. It is assumed that these personnel are familiar with the servicing procedures for these products, or like or similar products, manufactured by Briggs & Stratton Power Products.

• It is also assumed that they have been trained in the recommended servicing procedures for these products, which includes the use of mechanics hand tools and any special tools that might be required.
• Proper service and repair is important to the safe, economical and reliable operation of all engine driven systems. The troubleshooting, testing, service and repair procedures described in this guide are effective methods of performing such operations.

TABLE OF CONTENTS:

Basic Electricity 3
Magnetism and Electricity 3
Electro-Motive Force 4
Electromagnetism 7
Direct Current (DC) 8
Alternating Current (AC) 8
Volt 10
Ampere 10
Ohm 10
Ohm’s Law 11
The Watt 11
Electrical Formulas 12
The Series Circuit 13
The Parallel Circuit 13
The Series-Parallel Circuit 14
Simple Alternator 17
Simple Alternator Operation 17
Generator Components 19
Rotor Assembly 20
Stator Assembly 21
Switches 23
Fuses 26
Circuit Breakers 26
Solenoids 27
Relays 28
Resistors 29
Transformers 31
Condensers 32
Rectifiers 33
Transistors 34
Brushes and Brush Holders 35
Voltage Regulator 37
Generator Systems 41
Revolving Field Excitation Methods 42
Direct Excitation 42
The Brushless Excitation Method 44
Field Boost Assembly 45
Power Factor 46
Oil Pressure Switch On “GN” Engines 49
Typical Automatic Idle Control System 50
Early V-Twin Engine Idle Control 51
Idle Control on “GN” 190, 220, 320, 360, & 410 ENGINES 51
“XL” And “MC” Idle Control On 480 & 570 V-Twin Engines 53
GENERAC® PORTABLE PRODUCTS
Table of Contents
Portable Generator Familiarization & Troubleshooting Guide
Generator Diagnostics And
Adjustments
Troubleshooting Idle Controls 56
Troubleshooting Flowchart For
“Direct Excited” (Brush Type)
Generators 68
Troubleshooting Flowchart For
(Brush Type) Generators With
“Two Board” Regulation 76
Troubleshooting Flowchart For
“Sincro® Wound” (Brushless Type)
Generators 84
Voltage Regulator Adjustments 90
Generator Assemblies
Generac® Wound Generators 94
Disassembly 94
Assembly 101
Sincro® Wound Generators 109
Disassembly 109
Assembly 112
Appendix A
Generac® Torque Table 117
Generac® Receptacles And Plugs 118
Glossary 120

GENERAC GENERATOR TROUBLESHOOTING MANUAL – PDF DOWNLOAD:

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