2.8VOLTAGE REGULATOR ADJUSTMENT | Generac 04389-1, 04456-1, 04390-1

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Generac 04389-1, 04456-1, 04390-1 2.8VOLTAGE REGULATOR ADJUSTMENT, 3.1BREAK-INPROCEDURE, 2.7.2 12 KW AND 15 KW UNITS

Contents

DANGER POWER SYSTEMS, INCDEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY POWER SYSTEMS ‹CONTENTS INTRODUCTIONAUTHORIZED DEALER LOCATION DANGER Introduction GENERAL HAZARDS Despite the safe design of this generatorParts of the generator are rotating and/or hot ‹STANDARDS INDEX ELECTRICAL HAZARDSFIRE HAZARDS EXPLOSION HAZARDS 1.1UNPACKING/INSPECTION 1.2PROTECTION SYSTEMS1.3SYSTEM SET LED 1.4YOUR GENERATOR Figure 1.1 - 7 kW, Single Cylinder GH-410EngineFigure 1.2 - 12 kW and 15 kW, V-twin GT-990Engine 1.5 SPECIFICATIONS ‹ 1.5.1 GENERATOR‹1.5.2 ENGINE DANGER 1.8RECONFIGURING THE FUEL SYSTEM1.6FUEL REQUIREMENTS AND RECOMMENDATIONS 1.7FUEL CONSUMPTION 1.9.1 GENERATOR 1.10 BATTERY INSTALLATION1.9LOCATION 1.9.2 TRANSFER SWITCH Do not open or mutilate the battery. Released 1.11 THE BATTERYFigure 1.5 - Battery Cable Connections Wear rubber gloves and boots Never operate the engine with the oil level 2.2CHECK TRANSFER SWITCH OPERATION2.1BEFORE INITIAL START-UP 2.3ELECTRICAL CHECKS 2.6ADJUSTING THE REGULATOR NATURAL GAS ONLY 2.4GENERATOR TESTS UNDER LOAD2.5CHECKING AUTOMATIC OPERATION Do not make any unnecessary adjustments 2.7ENGINE GOVERNOR ADJUSTMENTFigure 2.2 - Placement of Regulator Figure 2.3 - Engine Governor Adjustment Figure 2.5 - Voltage Adjustment Potentiometer 2.8VOLTAGE REGULATOR ADJUSTMENT3.1BREAK-INPROCEDURE Figure 2.4 - Full Load Speed Adjust Screw 3.4SEQUENCE OF AUTOMATIC OPERATION 3.3AUTOMATIC TRANSFER OPERATION3.2USING THE AUTO/OFF/MANUAL SWITCH FIGURE With the switch set to AUTO, the engine may Figure 3.2 - Manual Transfer Switch Operation 3.6SETTING THE EXERCISE TIMER3.5MANUAL TRANSFER OPERATION ‹3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE ‹3.7.2 HIGH TEMPERATURE SWITCH 3.7PROTECTION SYSTEMS4.1FUSE ‹3.7.1 LOW OIL PRESSURE SWITCH ‹4.3.1 ENGINE OIL RECOMMENDATIONS 4.2CHECKING THE ENGINE OIL LEVEL4.3CHANGING THE ENGINE OIL ‹ 4.3.2 OIL CHANGE PROCEDURE Figure 4.6 - 7 kW, Engine Air Cleaner Location 4.5CHANGING THE ENGINE AIR CLEANER4.4CHANGING THE OIL FILTER 4.6SPARK PLUGS 4.7BATTERY MAINTENANCE 4.8ADJUSTING GH-410/GT-990VALVE CLEARANCEFigure 4.8 - Setting the Spark Plug Gap Figure 4.10 - Valve Clearance Adjustment 4.9COOLING SYSTEM4.10 ATTENTION AFTER SUBMERSION 4.11 CORROSION PROTECTION 4.12 OUT OF SERVICE PROCEDURE ‹4.12.1 REMOVAL FROM SERVICE‹4.12.2 RETURN TO SERVICE 4.13 SERVICE SCHEDULE CORRECTION 5.1TROUBLESHOOTING GUIDEPROBLEM CAUSE Section 6 - Electrical Data 24 Generac Power Systems, Inc CONTROL PANEL BOX CUSTOMERCONNECTION 26 Generac Power Systems, Inc C2-6 28 Generac Power Systems, Inc Wiring Diagram - 7 kW - Drawing No. 0D9013-A CLOSEST TO BEA 4 0 STATOR CUSTOMER CONNECTION 30 Generac Power Systems, Inc Generac Power Systems, Inc 32 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists PART NO.QTY. DESCRIPTION Control Panel - Drawing No. 0D8503-E DESCRIPTION Section 7 - Exploded Views and Parts Lists 0D4801 37 17 24 0D3086 Kit Contains Section 7 - Exploded Views and Parts Lists 42 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists 44 Generac Power Systems, Inc 7 kW Generator - Drawing No. 0D3504-B 46 Generac Power Systems, Inc 12 kW and 15 kW Generator - Drawing No. 0D3417-B 48 Generac Power Systems, Inc GN410 Engine - Drawing No. 0D3539-BPart 50 Generac Power Systems, Inc 0C1069 PART NO. QTY NTAKE Section 8 - Mounting DimensionsTRANSFER SWITCH Guardian Air 54 Generac Power Systems, Inc Generac Power Systems, Inc Section 10 - Warranty CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTYOUR WARRANTY RIGHTS AND OBLIGATIONS PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES EMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTY WARRANTY SCHEDULE GENERAC POWER SYSTEMS, INCP.O. BOX WHITEWATER, WI