Generac Power Systems 04760-0, 04758-0, 04759-0 owner manual Introduction

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INTRODUCTION

Thank you for purchasing this model by Generac Power Systems Inc.. This model is a compact, high performance, air-cooled, engine-driven generator 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 enclo- sure that is intended exclusively for outdoor installation. This generator will operate using either vapor withdrawn liquid propane (LP) or natural gas (NG).

This unit meets the 1998 and later California emissions regulations. To ensure that your engine continues to meet these regulations, refer to the following informa- tion and instructions in this owner’s manual.

‹ENGINE EMISSION COMPLIANCE PERIOD

For nonhandheld engines: The Emissions Compliance Period referred to on the Emissions Compliance label indicates the number of operating hours for which the engine has been shown to meet federal emission requirements.

For engines less than 225 cc displacement, Category C = 125 hours, B = 250 hours, and A = 500 hours.

For engines 225 cc or more, Category C = 250 hours, B = 500 hours, and A = 1000 hours.

‹READ THIS MANUAL THOROUGHLY

If you do not understand any portion of this manual, contact Generac or your nearest Generac 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 instructions 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, you can read instructions that, if not strictly complied with, will result in serious personal injury, including death, in addition to property damage.

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

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

NOTE:

After this heading, you can read explanatory statements 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 follows:

This symbol points out important safety informa- ! tion that, if not followed, could endanger personal

safety and/or property of you and others.

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. We strongly recommend that the operator read this Owner's Manual and thoroughly understand all instructions before using this equip- ment. We also strongly recommend instructing other users to properly start and operate the unit. This pre- pares 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 three different Guardian models:

04758-0 – 6 kW NG, 7 kW LP, single-cylinder GH- 410 Engine

04759-0 – 12 kW NG, 12 kW LP, V-twin GT-990 Engine

04760-0 – 13 kW NG, 15 kW LP, V-twin GT-990 Engine

‹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 Authorized Dealer. Normal maintenance service and replacement of 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 maintenance service.

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

‹HOW TO OBTAIN SERVICE

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

When contacting a Generac Authorized Dealer or the factory about parts and service, always supply the complete model number and serial number of your unit as given on its data decal, which is located on your generator. See Figure 1.1 or Figure 1.2 in Section 1.4 (Page 5) for decal location.

Model No. ____________ Serial No. ______________

AUTHORIZED DEALER LOCATION

To locate the GENERAC AUTHORIZED

DEALER nearest you, please call this number:

1-800-333-1322

DEALER LOCATION INFORMATION

CAN BE OBTAINED AT THIS NUMBER.

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Contents Installation Introduction Troubleshooting Post Installation Start-up AdjustmentsMaintenance Introduction Inside Front CoverGeneral Hazards Electrical Hazards ‹ Standards IndexSystem SET LED UNPACKING/INSPECTIONProtection Systems Your Generator 7 kW, Single Cylinder GH-410 Engine‹ 1.5.2 Engine Specifications‹ 1.5.1 Generator Fuel Consumption Reconfiguring the Fuel SystemFuel Requirements Recommendations 2 12KW and 15KW, 990CC EnginesGenerator Transfer SwitchLocation 2.1 7 kW, 12 kW and 15 kW UnitsBattery Installation BatteryElectrical Checks Check Transfer Switch OperationBefore Initial START-UP Generator Tests Under Load Checking Automatic Operation1 7 KW Units Adjusting the Regulator Natural GAS onlyEngine Governor Adjustment 2 12 KW and 15 KW Units Voltage Regulator AdjustmentBREAK-IN Procedure ‹ 3.2.1 Auto Position Automatic Transfer OperationSequence of Automatic Operation ‹ 3.2.2 OFF Position‹ 3.5.2 Transfer Back to Utility Power Source Manual Transfer Operation‹ 3.7.2 High Temperature Switch Setting the Exercise Timer‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.7.3 Overcrank‹ 4.3.1 Engine OIL Recommendations Checking the Engine OIL LevelChanging the Engine OIL ‹ 4.5.1 7 KW, 12 KW and 15 KW Generators ‹ 4.3.2 OIL Change ProcedureChanging the OIL Filter Battery Maintenance Spark PlugsAdjusting Valve Clearance Cooling System‹ 4.12.1 Removal from Service OUT of Service Procedure‹ 4.12.2 Return to Service Corrosion ProtectionService Schedule Be performed by your nearest Generac Authorized DealerTroubleshooting Guide Problem Cause CorrectionElectrical Data Customer Connection SM Starter Motor 1VA Engine Wiring Control Panel BOX SP Spark Plug Customer Connections Exploded Views and Parts Lists Part NO. QTY Description Exploded Views and Parts Lists Part NO. QTY. Description Kit Contains QTY Description 122 138 125 139 136 135 123 120 137 124 133 119 117 114 121 QTY Description 45 30 ADAPTOR, Engine Exploded Views and Parts Lists Stator 12KW 40 22 ASSEMBLY, Connecting ROD Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome For GT 760 Engine only CASTING, Twin Regulator Housing Mounting Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators California and Federal Emission Control Warranty Statement Emission Control System Warranty Warranty Schedule This Warranty Shall not Apply to the Following

04760-0, 04759-0, 04758-0 specifications

Generac Power Systems is a leading manufacturer in the field of power generation, known for its innovative products that cater to both residential and commercial customers. Among its prominent offerings, the Generac models 04758-0, 04759-0, and 04760-0 stand out as essential solutions for backup energy needs. These units offer reliable power during outages, ensuring that homes and businesses remain operational regardless of external conditions.

The Generac 04758-0 is a robust standby generator designed for residential use. Featuring a powerful engine, it delivers a dependable power output when it is needed most. Key characteristics include an automatic transfer switch that detects power loss and activates the generator without user intervention. This means that homeowners can enjoy peace of mind knowing that their essential appliances and systems will continue to function seamlessly during outages. Additionally, its compact design allows for easy installation in most home settings.

Moving on to the Generac 04759-0, this model offers even greater power capacity, making it suitable for larger homes or small businesses. It incorporates advanced technologies such as digital power management, which optimizes fuel efficiency and reduces emissions. The O47-59-0 is also known for its durable construction, providing reliable performance in various weather conditions. Its user-friendly interface allows for straightforward operation and monitoring, ensuring users remain informed about their power status.

The Generac 04760-0 takes it a step further by enhancing its overall performance with innovations in noise reduction and fuel consumption. It is engineered with a leading-edge cooling system that minimizes operational noise, making it ideal for residential neighborhoods where sound regulations are a concern. This model is also compatible with a variety of fuels, giving users flexibility based on availability and cost. Its comprehensive warranty further underscores Generac's commitment to customer satisfaction and product reliability.

In summary, the Generac Power Systems models 04758-0, 04759-0, and 04760-0 exemplify technology and engineering excellence in the power generation industry. With features designed for efficiency, durability, and user convenience, these models provide steadfast support to users seeking dependable backup power solutions. Whether for a home or small business, Generac's offerings remain a trusted choice for managing unexpected power outages.