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Generac Power Systems RS5500

Generac Power Systems RS5500
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DIAGNOSTIC
REPAIR
MANUAL
PORTABLE GENERATORS
50/60 Hz GC/RS/XC/XG/XP//HL/XT
and XT-EFI Series Portable Generators
60 HZ MODELS: 50 HZ MODELS:
RS5500 XC6500 XG4000 XP4000 XT8000E XG5600E
RS7000E XC6500E XG5600 XP6500E XT8000EFI XG6400E
XC8000E XG6400 XP8000E GC8100
XG6500 XP10000E HL6500E
XG7000E
XG10000E
Important Note: Always use the unit specific Schematics and
Wiring Diagrams for troubleshooting.

Table of Contents

Other manuals for Generac Power Systems RS5500

Questions and Answers:

Generac Power Systems RS5500 Specifications

General IconGeneral
Generator TypePortable
Rated Watts5500
Starting Watts6875
Fuel TypeGasoline
Engine TypeOHV
Engine Displacement389cc
Starting SystemRecoil
Voltage120/240V
Frequency60 Hz
Run Time at 50% Load10 hours
Wheel KitIncluded
Outlets1 x 240V 30A
Fuel Tank Capacity7.5 gallons
Noise Level72 dB

Summary

Safety Information and Warnings

Safety Alert Definitions

Explains DANGER, WARNING, and CAUTION terms used in the manual.

Cancer and Reproductive Harm Warning

Specific safety warning regarding health hazards.

Manual and Parts Information

Read This Manual Thoroughly

Guidance on how to read and understand the diagnostic manual.

Replacement Parts

Information regarding the importance of using correct replacement parts.

Generator Technical Data

Rotor and Stator Resistance Tables

Lists resistance values for generator components.

Wattage Reference Guide

Lists typical wattage consumption for devices.

Section 1 Brushless Capacitor Excitation

Introduction and Component Overview

Overview of brushless capacitor excitation system and main components.

Stator and Rotor Assembly

Description of the stator and rotor components.

Operation and Troubleshooting

How the excitation works and diagnostic flowcharts.

Section 2 Direct Excitation (Brush Type)

Introduction and Component Overview

Overview of brush type excitation and its parts.

Voltage Regulator and Operation

Function of the voltage regulator and operational details.

AC Power Output and Troubleshooting

Output description and diagnostic flowcharts.

Section 3 AC Diagnostic Tests

Initial AC Output Checks

Includes no-load voltage, breaker, and receptacle continuity tests.

Alternator and Excitation System Tests

Covers fixed excitation, field flash, capacitor, and DPE windings.

Stator Winding and Load Tests

Covers stator windings, load voltage/frequency, and load watts/amperage.

Voltage Regulation and Switch Tests

Covers voltage regulator adjustment and changeover switch tests.

Section 4 EFI Engine Control Diagnostic Tests

Basic EFI Theory and Operation

Covers EFI theory, open-loop systems, engine requirements, and fuel system.

Engine Air and Sensor Inputs

Covers air metering, sensors, airflow, manifold pressure, and temperature.

EFI Fault Code Diagnostics

Interpreting EFI fault codes and indicators.

Section 5 Engine Diagnostic Tests

Diagnostic Flow Charts

Troubleshooting guide for engine issues.

Ignition System Tests

Covers spark, plugs, coil, and flywheel tests.

Fuel System and Carburetion Tests

Covers carburetion and choke tests.

Engine Mechanical and Valve Tests

Covers valve adjustment, leak down, and compression tests.

Starting, Charging, and Control System Tests

Covers governor, oil switches, battery charging, and idle control.

Section 6 Major Disassembly

Introduction to Disassembly

Overview of typical generator disassembly steps.

Section 7 Electrical Data

RS Series Wiring Diagrams

Schematics for RS5500 and RS7000E models.

XC Series Wiring Diagrams

Schematics for XC6500, XC6500E, and XC8000E models.

XP Series Wiring Diagrams

Schematics for XP4000, XP5600E, XP6400E, XP6500E, XP8000E models.

XG Series Wiring Diagrams

Schematics for XG4000, XG5600E, XG6400E, XG6500, XG7000E, XG8000E, XG10000E models.

XT & HL Series Wiring Diagrams

Schematics for XT8000E, XT8000EFI, and HL6500E models.

Electrical Formulas

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