Generac Power Systems 5251, 5252, 5254, 5255, 5253 Introduction, Authorized Dealer Location

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INTRODUCTION

Thank you for purchasing this model of a compact, high performance, air-cooled, engine-driven genera- tor designed to automatically supply electrical power to operate critical loads during a utility power fail- ure.

This unit is factory installed in an all-weather, metal enclosure that is intended exclusively for outdoor installation. This generator will operate using either vapor withdrawn liquid propane (LP) or natural gas (NG).

‹READ THIS MANUAL THOROUGHLY

If any portion of this manual is not understood, contact the nearest 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 person- nel to special instructions about a particular opera- tion that may be hazardous if performed incorrectly or carelessly. Observe them carefully. Their defini- tions are as follows:

DANGER

After this heading, read instructions that, if not strictly complied with, will result in serious person- al injury, including death, in addition to property damage.

After this heading, read instructions that, if not strictly complied with, may result in serious person- al 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 statements that require special emphasis.

These safety warnings cannot eliminate the haz- ards that they indicate. Common sense and strict compliance 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 infor- mation that, if not followed, could endanger personal safety and/or property of others.

Thisard. symbol points out potential explosion haz-

This symbol points out potential fire hazard. Thishazard.symbol points out potential electrical shock

The operator is responsible for proper and safe use of the equipment. The manufacturer strongly recom- mends that the operator read this Owner's Manual and thoroughly understand all instructions before using this equipment. The manufacturer also strong- ly 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 these different models:

05251 – 6 kW NG, 7 kW LP, single-cylinder GH-410 Engine

05252 – 9.0 kW NG, 10 kW LP, V-twin GT-530 Engine

05253 – 13 kW NG, 13 kW LP, V-twin GT-990 Engine

05254 & 05255 – 15 kW NG, 16 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 an 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 the generator ensures a minimum number of problems and keep operating expenses at a minimum. See an Authorized Dealer for service aids and accessories.

‹HOW TO OBTAIN SERVICE

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

When contacting an Authorized Dealer about parts and service, always supply the complete model num- ber and serial number of the unit as given on its data decal, which is located on the generator. See section "The Generator" for decal location.

Model No. ____________ Serial No.______________

AUTHORIZED

DEALER LOCATION

To locate the nearest AUTHORIZED

DEALER, please call this number:

1-800-333-1322

DEALER LOCATION INFORMATION

CAN BE OBTAINED AT THIS NUMBER or visit

www.generac.com.

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Contents Listed Introduction Authorized Dealer LocationTroubleshooting Post Installation Start-up AdjustmentsMaintenance Introduction Inside Front Cover Warning   Electrical Hazards  ‹ Standards IndexBreaker for Bedrooms UNPACKING/INSPECTIONProtection Systems Generator 7kW, Single Cylinder GH-410 Engine‹ 1.5.2 Engine Specifications‹ 1.5.1 Generator Fuel Consumption System SET LEDFuel Requirements Recommendations ‹ 1.8.1 BTU Flow Requirements Natural GAS‹ 1.9.2 10, 13 and 16KW, V-TWIN Engines Reconfiguring the Fuel System‹ 1.9.1 7 KW, 410CC Engine Location ‹ 1.10.1 Generator‹ 1.10.2 Transfer Switch Battery RequirementsBattery Installation 10.2.1 7, 10, 13, and 16 kW Units if equippedBattery 10 Battery Cable ConnectionsElectrical Checks Check Transfer Switch OperationBefore Initial START-UP 7KW Natural GAS only Generator Tests Under LoadChecking Automatic Operation Engine Governor Adjustment ‹ 2.7.1 7 KW Units‹ 3.1.1 Auto Position ‹ 3.1.3 Manual PositionManual Transfer Operation Automatic Transfer OperationSequence of Automatic Operation ‹ 3.1.4 Choke OperationSetting the Exercise Timer ‹ 3.4.2 Transfer Back to Utility Power Source‹ 3.6.3 Overcrank ‹ 3.6.1 LOW OIL Pressure Switch‹ 3.6.2 High Temperature Switch Approximate Crank Cycle TimesFuses ‹ 3.6.6 LOW BatteryChecking the Engine OIL Level ‹ 3.6.5 RPM Sensor Failure‹ 4.3.2 Engine OIL Recommendations Changing the Engine OIL‹ 4.3.1 OIL Change Intervals ‹ 4.4.2 10KW Generators Spark Plugs‹ 4.4.1 7, 13, and 16KW Generators Battery Maintenance Valve ClearanceCooling System 11 Cooling Vent Locations‹ 4.11.1 Removal from Service OUT of Service Procedure‹ 4.11.2 Return to Service Corrosion ProtectionService Schedule Be performed by the nearest Authorized DealerTroubleshooting Guide Problem Cause CorrectionAir-cooled Generators Air-cooled Generators Air-cooled Generators Mounting Dimensions Electrical Data Engine Wiring Customer Connection Battery Charger Engine Alternator Engine Wiring Stator Electronic Voltage Regulator Manual Auto Scsm Neutral Electrical Data Electrical Data Sheet Metal PAINT/MATERIAL Code Legend Part NO. QTY. Description Air-cooled Generators Control Panel Drawing No F9695-C QTY Description Exploded Views and Parts Lists BOX Load Center Exploded Views and Parts Lists Description QTY Exploded Views and Parts Lists Washer Flat M8 5/16 Exploded Views and Parts Lists Crankcase Exploded Views and Parts Lists Intake Adapter Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome Air-cooled Generators 7kW, GN-410 Engine Drawing No F9422-B ADAPTOR, Engine Exploded Views and Parts Lists ADATOR, Engine 7KW CASTING, Twin Regulator Housing 7KW Exploded Views and Parts Lists Brkt Regulator Mounting PURCHASER’S/OWNER’S Warranty Responsibilities Your Warranty Rights and ObligationsMANUFACTURER’S Emission Control System Warranty Coverage Emission Control System Warranty Emission Related Parts Include the FollowingGenerac Power Systems Standard Limited Warranty for