2.7ENGINE GOVERNOR ADJUSTMENT | Generac 04389-1, 04456-1, 04390-1

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Generac 04389-1, 04456-1, 04390-1 owner manual 2.7ENGINE GOVERNOR ADJUSTMENT, 2.7.1 7 KW UNITS, 1 - Dual Fuel Regulators

Contents

POWER SYSTEMS POWER SYSTEMS, INCDEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY DANGER DANGER INTRODUCTIONAUTHORIZED DEALER LOCATION ‹CONTENTS Introduction Parts of the generator are rotating and/or hot GENERAL HAZARDSDespite the safe design of this generator EXPLOSION HAZARDS ELECTRICAL HAZARDSFIRE HAZARDS ‹STANDARDS INDEX 1.3SYSTEM SET LED 1.1UNPACKING/INSPECTION1.2PROTECTION SYSTEMS Figure 1.2 - 12 kW and 15 kW, V-twin GT-990Engine 1.4YOUR GENERATORFigure 1.1 - 7 kW, Single Cylinder GH-410Engine ‹1.5.2 ENGINE 1.5 SPECIFICATIONS‹ 1.5.1 GENERATOR 1.7FUEL CONSUMPTION 1.8RECONFIGURING THE FUEL SYSTEM1.6FUEL REQUIREMENTS AND RECOMMENDATIONS DANGER 1.9.2 TRANSFER SWITCH 1.10 BATTERY INSTALLATION1.9LOCATION 1.9.1 GENERATOR Wear rubber gloves and boots 1.11 THE BATTERYFigure 1.5 - Battery Cable Connections Do not open or mutilate the battery. Released 2.3ELECTRICAL CHECKS 2.2CHECK TRANSFER SWITCH OPERATION2.1BEFORE INITIAL START-UP Never operate the engine with the oil level 2.5CHECKING AUTOMATIC OPERATION 2.6ADJUSTING THE REGULATOR NATURAL GAS ONLY2.4GENERATOR TESTS UNDER LOAD Figure 2.3 - Engine Governor Adjustment 2.7ENGINE GOVERNOR ADJUSTMENTFigure 2.2 - Placement of Regulator Do not make any unnecessary adjustments Figure 2.4 - Full Load Speed Adjust Screw 2.8VOLTAGE REGULATOR ADJUSTMENT3.1BREAK-INPROCEDURE Figure 2.5 - Voltage Adjustment Potentiometer With the switch set to AUTO, the engine may 3.3AUTOMATIC TRANSFER OPERATION3.2USING THE AUTO/OFF/MANUAL SWITCH FIGURE 3.4SEQUENCE OF AUTOMATIC OPERATION ‹3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE 3.6SETTING THE EXERCISE TIMER3.5MANUAL TRANSFER OPERATION Figure 3.2 - Manual Transfer Switch Operation ‹3.7.1 LOW OIL PRESSURE SWITCH 3.7PROTECTION SYSTEMS4.1FUSE ‹3.7.2 HIGH TEMPERATURE SWITCH ‹ 4.3.2 OIL CHANGE PROCEDURE 4.2CHECKING THE ENGINE OIL LEVEL4.3CHANGING THE ENGINE OIL ‹4.3.1 ENGINE OIL RECOMMENDATIONS 4.6SPARK PLUGS 4.5CHANGING THE ENGINE AIR CLEANER4.4CHANGING THE OIL FILTER Figure 4.6 - 7 kW, Engine Air Cleaner Location Figure 4.8 - Setting the Spark Plug Gap 4.7BATTERY MAINTENANCE4.8ADJUSTING GH-410/GT-990VALVE CLEARANCE 4.11 CORROSION PROTECTION 4.9COOLING SYSTEM4.10 ATTENTION AFTER SUBMERSION Figure 4.10 - Valve Clearance Adjustment ‹4.12.2 RETURN TO SERVICE 4.12 OUT OF SERVICE PROCEDURE‹4.12.1 REMOVAL FROM SERVICE 4.13 SERVICE SCHEDULE CAUSE 5.1TROUBLESHOOTING GUIDEPROBLEM CORRECTION 24 Generac Power Systems, Inc Section 6 - Electrical Data CONNECTION CONTROL PANEL BOXCUSTOMER 26 Generac Power Systems, Inc C2-6 Wiring Diagram - 7 kW - Drawing No. 0D9013-A 28 Generac Power Systems, Inc CUSTOMER CONNECTION CLOSEST TO BEA 4 0 STATOR 30 Generac Power Systems, Inc C2-6 Section 7 - Exploded Views and Parts Lists 32 Generac Power Systems, Inc 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 DESCRIPTION 42 Generac Power Systems, Inc DESCRIPTION 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 Guardian Air Section 8 - Mounting DimensionsTRANSFER SWITCH NTAKE 54 Generac Power Systems, Inc Generac Power Systems, Inc PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTYOUR WARRANTY RIGHTS AND OBLIGATIONS Section 10 - Warranty EMISSION CONTROL SYSTEM WARRANTY EMISSION RELATED PARTS INCLUDE THE FOLLOWING P.O. BOX WHITEWATER, WI WARRANTY SCHEDULEGENERAC POWER SYSTEMS, INC