Generac 004373-2, 004626-1, 004626-1, 004373-2 Introduction, Authorized Dealer Location

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INTRODUCTION

Thank you for purchasing the Guardian product line by Generac Power Systems. This model is a compact, high performance, liquid-cooled, engine-driven gen- erator designed to automatically supply electrical power to operate critical loads during a utility power failure.

This unit is factory installed in an all-weather, metal enclosure that is intended exclusively for outdoor installation.

￿READ THIS MANUAL THOROUGHLY

If you do not understand any portion of this manual, contact Generac or the nearest Generac/Guardian Authorized Dealer for starting, operating and servicing procedures.

Throughout this publication, and on tags and decals affixed to the generator, DANGER, WARNING, CAUTION and NOTE blocks are used to alert you to special instruction about a particular operation that may be hazardous if performed incorrectly or care- lessly. Observe them carefully. Their definitions are as follows:

DANGER

After this heading, read instructions that, if not strictly complied with, will result in personal injury or property damage.

After this heading, read instructions that, if not strictly complied with, may result in personal injury or property damage.

After this heading, read instructions that, if not strictly complied with, could result in damage to equipment and/or property.

NOTE:

After this heading, read explanatory state- ments that require special emphasis.

These safety warnings cannot eliminate the hazards that they indicate. Common sense and strict compli- ance with the special instructions while performing the service are essential to preventing accidents.

Four commonly used safety symbols accompany the DANGER, WARNING and CAUTION blocks. The type of information each indicates is as follows:

This symbol points out important safety informa-

!tion that, if not followed, could endanger personal safety and/or property.

This symbol points out potential explosion hazard.

This symbol points out potential fire hazard.

This symbol points out potential electrical shock hazard.

The operator is responsible for proper and safe use of the equipment. Generac strongly recommends that the operator read this Owner's Manual and thor- oughly understand all instructions before using this equipment. Generac also strongly recommends instructing other users to properly start and operate the unit. This prepares them if they need to operate the equipment in an emergency.

￿CONTENTS

This manual contains pertinent owner’s information, including warranty, electrical diagrams, exploded views and lists of repair parts, for Guardian models:

004373-1 & 004626-0.

￿OPERATION AND MAINTENANCE

It is the operator's responsibility to perform all safety checks, to make sure that all maintenance for safe operation is performed promptly, and to have the equipment checked periodically by a Generac/ Guardian Authorized Dealer. Normal maintenance service and replacement of maintenance parts are the responsibility of the owner/operator and, as such, are not considered defects in materials or workmanship within the terms of the warranty. Individual operating habits and usage contribute to the need for mainte- nance service.

Proper maintenance and care of the generator ensure a minimum number of problems and keep operating expenses at a minimum. See a Generac/Guardian Authorized Dealer for service aids and accessories.

￿HOW TO OBTAIN SERVICE

When the generator requires servicing or repairs, simply contact a Generac/Guardian Authorized Dealer for assistance. Service technicians are factory- trained and are capable of handling all service needs.

When contacting a Generac/Guardian Authorized Dealer or the factory about parts and service, always supply the complete model number and serial num- ber of the unit as given on its data decal, which is located on the generator.

Model No. ____________ Serial No. ______________

AUTHORIZED

DEALER LOCATION

To locate the GENERAC/GUARDIAN AUTHORIZED

DEALER nearest you, please call this number:

1-800-333-1322

DEALER LOCATION INFORMATION

CAN BE OBTAINED AT THIS NUMBER.

Generac® Power Systems, Inc.

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Contents Power SYSTEMS, INC Introduction Authorized Dealer LocationMaintenance Safety Rules General InformationInstallation Section Installation Drawings 56-57 Warranty Back CoverGeneral Hazards Electrical Hazards Generator Prepackaged Transfer SwitchUNPACKING/INSPECTION Generator AC Connection SystemsEngine Protective Devices SpecificationsMain Circuit Breaker Engine Fuel Requirements RecommendationsGenerator and Load Compatibility Conversion to LP GAS VaporAIR Fuel Ratio Controller CoolantEmissions Control System Nfpa Standards Standby Generator InstallationBasic Standby Electric System Other Published StandardsGTS Type Engineered Switch Transfer Switch Start Signal ConnectionsPre-Packaged Type Switch Emergency Circuit Isolation MethodVented Batteries Battery InstallationPreparation Before START-UP Prior to Initial START-UP Using the AUTO/OFF/MANUAL Switch Automatic Transfer Operation OFF PositionManual Position Sequence of Automatic OperationWeekly Exercise Cycle Checking the Engine OIL LevelChanging the Engine OIL and Filter Oil and Filter Change ProcedureChanging the Engine AIR Cleaner Engine Oil RecommendationsBattery Maintenance Spark PlugsOverload Protection for Engine DC Electrical System Miscellaneous MaintenanceCleaning the Generator DC FuseReturn To Service OUT of Service ProcedureRemoval From Service Service Schedule SYSTEM/COMPONENT Procedure FrequencyTroubleshooting Guide Problem Cause CorrectionElectrical Data Section Generac Generac Power Systems,Inc Electrical Data Electrical Data Electrical Data Wiring Diagram Customer Connection Power Systems Inc HRSPart NO. QTY. Description Generators Part NO. QTY Description Part NO.QTY Description QTY Description 4640 31 33 Part NO.QTY. Description Washer Flat 3/8-M10 ZincExploded Views and Parts Lists Flywhl 4.3L GM SAE Stator Leads Scrolldetail To Engine Flywheel QTY Description Part NO. QTY Assembly Cover Access Description QTYRadiator Copper Brass Gasket Carburetor Adaptor Gasket Carb Impco QTY. Description To CarburetorSupport Solenoid NAT GAS QTY. Description To Starter Solenoid RED Black To Engine Block ALT Leads Sensing Wire Siemens FD 3 Pole QTY Description Exploded Views and Parts Lists Part NO. QTY. Description Muffler 2-1/2 INLET/OUTLET Guardian Liquid-cooled 40 kW Generators Installation Drawings 12V Battery see Note Lifting EYE Places Warranty Schedule This Warranty Shall not Apply to the Following