Guardian Technologies 04758-2, 04760-2 The Generator, 1 - 7 kW, Single Cylinder GH-410 Engine

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Section 1 — General Information

Air-cooled 7 kW, 12 kW and 15 kW Generators

1.4THE GENERATOR

Figure 1.1 – 7 kW, Single Cylinder GH-410 Engine

Oil Data

Dipstick Decal

Exhaust

Enclosure

Control

Panel

GFCI

Outlet

Fuel

Regulator

Fuel

Inlet

	Oil Filter	Battery
	Oil Filter	Compartment
		Compartment

Figure 1.2 – 12 kW/15 kW, V-twin GT-990/760 Engine

Exhaust Enclosure

		Control
Oil	Data	Panel
Oil	Data
Dipstick	Decal
		GFCI
		Outlet
		Fuel
		Regulator
		Fuel
		Inlet
Oil Filter	Battery	Composite Base
Oil Filter	Compartment
	Compartment

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Contents  Not intended for use as Primary Power in place of utility  Models 04758-2 6 kW NG, 7 kW LP 04759-2 12 kW NG, 12 kW LP04760-2 13 kW NG, 15 kW LP This manual should remain with the unitINTRODUCTION ‹ CONTENTS‹ OPERATION AND MAINTENANCE ‹ HOW TO OBTAIN SERVICESection 5 - Troubleshooting Section 2 - Post Installation Start-upand Adjustments Section 4 - MaintenanceThis product contains or emits chemicals  GENERAL HAZARDS IMPORTANT SAFETY INSTRUCTIONS  WARNING ‹ STANDARDS INDEX  ELECTRICAL HAZARDS  FIRE HAZARDS   EXPLOSION HAZARDS DANGER 1.1 UNPACKING/INSPECTION1.2 PROTECTION SYSTEMS 1.3 SYSTEM SET LEDFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine 1.4 THE GENERATORFigure 1.2 - 12 kW/15 kW, V-twin GT-990/760 Engine ‹ 1.5.1 GENERATOR 1.5 SPECIFICATIONS‹ 1.5.2 ENGINE DANGER 1.8 RECONFIGURING THE FUEL SYSTEM1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.7 FUEL CONSUMPTIONFigure 1.4 - Demand Regulator 1.9 LOCATION‹ 1.8.2 12KW AND 15KW, 990CC ENGINES ‹ 1.9.1 GENERATORFigure 1.5 - Battery Cable Connections 1.10 BATTERY INSTALLATION1.11 THE BATTERY ‹ 1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW UnitsSection 2 - Post Installation Start-up and Adjustments 2.2 CHECK TRANSFER SWITCH OPERATION2.1 BEFORE INITIAL START-UP 2.3 ELECTRICAL CHECKS2.5 CHECKING AUTOMATIC OPERATION 2.4 GENERATOR TESTS UNDER LOADFigure 2.2 - Placement of Regulator 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLYFigure 2.1 - Dual Fuel Regulators Figure 2.5 - V-twin Full Load Speed Adjust Screw 2.7 ENGINE GOVERNOR ADJUSTMENTFigure 2.3 - Single Cylinder Engine Governor Adjustment Figure 2.4 - V-twin Engine Governor Adjustment‹ 3.2.1 “AUTO” POSITION 2.8 VOLTAGE REGULATOR ADJUSTMENT3.1 BREAK-IN PROCEDURE Figure 2.6 - Voltage Adjustment Potentiometer‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE 3.3 AUTOMATIC TRANSFER OPERATION3.4 SEQUENCE OF AUTOMATIC OPERATION 3.5 MANUAL TRANSFER OPERATIONFigure 3.2 - Manual Transfer Switch Operation 3.6 SETTING THE EXERCISE TIMER‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE ‹ 3.7.1 LOW OIL PRESSURE SWITCH4.2 CHECKING THE ENGINE OIL LEVEL ‹ 3.7.2 HIGH TEMPERATURE SWITCHFigure 3.3 - Low Oil Pressure and High Temperature Switches 4.1 FUSE4.4 CHANGING THE OIL FILTER 4.5 CHANGING THE ENGINE AIR CLEANER‹ 4.3.2 OIL CHANGE PROCEDURE 4.3 CHANGING THE ENGINE OILFigure 4.8 - Setting the Spark Plug Gap 4.7 BATTERY MAINTENANCEFigure 4.6 - 7 kW, Engine Air Cleaner Location Figure 4.7 - 12 kW and 15 kW Engine Air CleanerFigure 4.10 - Valve Clearance Adjustment 4.8 ADJUSTING VALVE CLEARANCE4.9 COOLING SYSTEM 4.10 ATTENTION AFTER SUBMERSION 4.12 OUT OF SERVICE PROCEDURE‹ 4.12.1 REMOVAL FROM SERVICE ‹ 4.12.2 RETURN TO SERVICEATTENTION It is recommended that all service work 4.13 SERVICE SCHEDULEbe performed by the nearest Authorized Dealer Correction 5.1 TROUBLESHOOTING GUIDEProblem CauseSection 6 - Electrical Data ENGINE WIRINGCUSTOMER CONTROL PANEL BOXCONNECTION Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B Section 6 - Electrical Data Section 6 - Electrical Data ENGINE WIRINGCONTROL PANEL BOX 224A 225AElectrical Schematic - 7 kW - Drawing No. 0D9014-C PRE PACKAGED UNITS ONLY Section 7 - Exploded Views and Parts ListsFOAM, BACK EXHAUST ENCLOSURE COVER PART NO. QTY. DESCRIPTIONCLOTH, HARDWARE 266.7mm x 146mm 7KW FOAM, EXHAUST SIDE ENCLOSURE FRONTSection 7 - Exploded Views and Parts Lists DESCRIPTION PART NO. QTY72 27, 28 73 3, 32, 33, 34, 35, 36, 40 Views and Parts Lists66 2, 5, 19, 20, 39, 40, 47, 64, 93 67 8, 11, 12 68 4, 5 69 16A, 16B, 17ROLLER BEARING, GOVERNOR PLATE ASSEMBLY, CRANKCASE HOUSING WITHASSEMBLY, CRANKSHAFT HORIZONTAL ITEM PART NO. QTY. DESCRIPTIONSection 7 - Exploded Views and Parts Lists ASSY, IGNITION COIL GV-990 CYLINDER 7 kW Generator - Drawing No. 0D3504-E 1.25 FT 1.8 FT32 31 12 kW and 15 kW Generator - Drawing No. 0D3417-L3 FT 2.6 FT1.44 FT Section 7 - Exploded Views and Parts Lists DESCRIPTION Section 7 - Exploded Views and Parts ListsSection 7 - Exploded Views and Parts Lists DESCRIPTION Section 7 - Exploded Views and Parts ListsSection 7 - Exploded Views and Parts Lists DESCRIPTION Air-cooled ALL DIMENSIONS IN MILLIMETERS INCHESSection 8 - Mounting Drawing NoSection 9 - Notes CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONSMANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIESEMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTYPREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIANWARRANTY SCHEDULE THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING