The Generator, General Information | Guardian Technologies 04758-2

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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Guardian Technologies 04758-2, 04760-2, 04759-2 The Generator, 1 - 7 kW, Single Cylinder GH-410 Engine, General Information

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 unit INTRODUCTION ‹ CONTENTS‹ OPERATION AND MAINTENANCE ‹ HOW TO OBTAIN SERVICE Section 5 - Troubleshooting Section 2 - Post Installation Start-upand Adjustments Section 4 - Maintenance This 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 LED Figure 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 CONSUMPTION Figure 1.4 - Demand Regulator 1.9 LOCATION‹ 1.8.2 12KW AND 15KW, 990CC ENGINES ‹ 1.9.1 GENERATOR Figure 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 Units Section 2 - Post Installation Start-up and Adjustments 2.2 CHECK TRANSFER SWITCH OPERATION2.1 BEFORE INITIAL START-UP 2.3 ELECTRICAL CHECKS 2.5 CHECKING AUTOMATIC OPERATION 2.4 GENERATOR TESTS UNDER LOAD Figure 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 OPERATION Figure 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 SWITCH 4.2 CHECKING THE ENGINE OIL LEVEL ‹ 3.7.2 HIGH TEMPERATURE SWITCHFigure 3.3 - Low Oil Pressure and High Temperature Switches 4.1 FUSE 4.4 CHANGING THE OIL FILTER 4.5 CHANGING THE ENGINE AIR CLEANER‹ 4.3.2 OIL CHANGE PROCEDURE 4.3 CHANGING THE ENGINE OIL Figure 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 Cleaner Figure 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 SERVICE ATTENTION It is recommended that all service work 4.13 SERVICE SCHEDULEbe performed by the nearest Authorized Dealer Correction 5.1 TROUBLESHOOTING GUIDEProblem Cause Section 6 - Electrical Data ENGINE WIRING CUSTOMER CONTROL PANEL BOXCONNECTION Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B Section 6 - Electrical Data Section 6 - Electrical Data ENGINE WIRING CONTROL PANEL BOX 224A 225A Electrical Schematic - 7 kW - Drawing No. 0D9014-C PRE PACKAGED UNITS ONLY Section 7 - Exploded Views and Parts Lists FOAM, BACK EXHAUST ENCLOSURE COVER PART NO. QTY. DESCRIPTIONCLOTH, HARDWARE 266.7mm x 146mm 7KW FOAM, EXHAUST SIDE ENCLOSURE FRONT Section 7 - Exploded Views and Parts Lists DESCRIPTION PART NO. QTY 72 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, 17 ROLLER BEARING, GOVERNOR PLATE ASSEMBLY, CRANKCASE HOUSING WITHASSEMBLY, CRANKSHAFT HORIZONTAL ITEM PART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts Lists ASSY, IGNITION COIL GV-990 CYLINDER 7 kW Generator - Drawing No. 0D3504-E 1.25 FT 1.8 FT 32 31 12 kW and 15 kW Generator - Drawing No. 0D3417-L 3 FT 2.6 FT1.44 FT Section 7 - Exploded Views and Parts Lists DESCRIPTION Section 7 - Exploded Views and Parts Lists Section 7 - Exploded Views and Parts Lists DESCRIPTION Section 7 - Exploded Views and Parts Lists Section 7 - Exploded Views and Parts Lists DESCRIPTION Air-cooled ALL DIMENSIONS IN MILLIMETERS INCHESSection 8 - Mounting Drawing No Section 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 RESPONSIBILITIES EMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTY PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIANWARRANTY SCHEDULE THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING

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

Models: 04759-2 04758-2 04760-2

1.4THE GENERATOR

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

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