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86262GS Generac / Briggs Repair Manual for Portable Generators



This comprehensive service & repair manual covers troubleshooting for most Generac portable generators.

Familiarization & Troubleshooting Guide

GENERATOR Repair Manual

Same manual as used by Authorized Briggs & Stratton Service Centers.

Contains over 122 pages and loaded with photos & illustrated graphics on Generac / Briggs & Stratton Generators.

This is the Newest available troubleshooting & repair manual for Generators by Generac & Briggs & Stratton.

See Table of Contents below:





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
And Systems


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

Generator Diagnostics And


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


BSPP Wound Generators 94
Disassembly 94
Assembly 101


Sincro@ Wound Generators 109
Disassembly 109
Assembly 112


Appendix A
Torque Table 117


Receptacles And Plugs 118


Glossary 120

Add to Cart:

  • Model: 86262GS
  • 5 Units in Stock
  • Manufactured by: Generac«


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