Manuals / Generac Power Systems / Lawn and Garden / Portable Generator

Generac Power Systems 04758-2, 04759-2, 04760-2 Exploded Views and Parts Lists, 27, 28

Models: 04758-2, 04759-2, 04760-2

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Section 7 — Exploded Views and Parts Lists

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

GT-990 Engine – Drawing No. 0E8774-J Part 1

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Generac Power Systems 04758-2, 04759-2, 04760-2 owner manual Exploded Views and Parts Lists, 27, 28, 35, 36, 40

Contents

This manual should remain with the unit Models 04758-2 6 kW NG, 7 kW LP 04759-2 12 kW NG, 12 kW LP04760-2 13 kW NG, 15 kW LP Installation and Owner’s Manual‹ HOW TO OBTAIN SERVICE ‹ CONTENTS‹ OPERATION AND MAINTENANCE INTRODUCTIONIntroduction Despite the safe design of this generator GENERAL HAZARDSDANGER Parts of the generator are rotating and/or hotEXPLOSION HAZARDS ELECTRICAL HAZARDSFIRE HAZARDS ‹ STANDARDS INDEX1.3 SYSTEM SET LED 1.1 UNPACKING/INSPECTION1.2 PROTECTION SYSTEMS DANGERFigure 1.2 - 12 kW/15 kW, V-twin GT-990/760 Engine 1.4 THE GENERATORFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine Generac Power Systems, Inc‹ 1.5.2 ENGINE 1.5 SPECIFICATIONS‹ 1.5.1 GENERATOR Section 1 - General Information1.7 FUEL CONSUMPTION 1.8 RECONFIGURING THE FUEL SYSTEM1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS DANGER1.9.1 GENERATOR 1.9 LOCATION1.8.2 12KW AND 15KW, 990CC ENGINES Figure 1.4 - Demand Regulator1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units 1.10 BATTERY INSTALLATION1.11 THE BATTERY Figure 1.5 - Battery Cable Connections2.3 ELECTRICAL CHECKS 2.2 CHECK TRANSFER SWITCH OPERATION2.1 BEFORE INITIAL START-UP DANGERDANGER 2.4 GENERATOR TESTS UNDER LOAD2.5 CHECKING AUTOMATIC OPERATION Figure 2.1 - Dual Fuel Regulators 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLYFigure 2.2 - Placement of Regulator Figure 2.3 - Single Cylinder Engine Governor Adjustment 2.7 ENGINE GOVERNOR ADJUSTMENTFigure 2.4 - V-twin Engine Governor Adjustment Figure 2.5 - V-twin Full Load Speed Adjust Screw3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE 2.8 VOLTAGE REGULATOR ADJUSTMENT3.1 BREAK-IN PROCEDURE Figure 2.6 - Voltage Adjustment Potentiometer3.4 SEQUENCE OF AUTOMATIC OPERATION 3.3 AUTOMATIC TRANSFER OPERATION3.5 MANUAL TRANSFER OPERATION ‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE‹ 3.7.2 HIGH TEMPERATURE SWITCH ‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE‹ 3.7.1 LOW OIL PRESSURE SWITCH Figure 3.2 - Manual Transfer Switch Operation4.1 FUSE Figure 3.3 - Low Oil Pressure and High Temperature Switches4.2 CHECKING THE ENGINE OIL LEVEL ‹ 3.7.3 OVERCRANK4.3 CHANGING THE ENGINE OIL 4.5 CHANGING THE ENGINE AIR CLEANER‹ 4.3.2 OIL CHANGE PROCEDURE 4.4 CHANGING THE OIL FILTERFigure 4.7 - 12 kW and 15 kW Engine Air Cleaner 4.7 BATTERY MAINTENANCEFigure 4.6 - 7 kW, Engine Air Cleaner Location Figure 4.8 - Setting the Spark Plug Gap4.9 COOLING SYSTEM 4.8 ADJUSTING VALVE CLEARANCEFigure 4.10 - Valve Clearance Adjustment ‹ 4.12.1 REMOVAL FROM SERVICE 4.12 OUT OF SERVICE PROCEDURE‹ 4.12.2 RETURN TO SERVICE 4.10 ATTENTION AFTER SUBMERSION4.13 SERVICE SCHEDULE CAUSE 5.1 TROUBLESHOOTING GUIDEPROBLEM CORRECTIONSection 6 - Electrical Data 24 Generac Power Systems, IncENGINE WIRING CONTROL PANEL BOX Generac Power Systems, IncSection 6 - Electrical Data CUSTOMERSection 6 - Electrical Data Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B26 Generac Power Systems, Inc Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsGenerac Power Systems, Inc Section 6 - Electrical DataSection 6 - Electrical Data 28 Generac Power Systems, IncENGINE WIRING CONTROL PANEL BOX Generac Power Systems, IncSection 6 - Electrical Data CUSTOMER225A 30 Generac Power Systems, IncSection 6 - Electrical Data 224ASection 6 - Electrical Data Electrical Schematic - 7 kW - Drawing No. 0D9014-CGenerac Power Systems, Inc Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 7 - Exploded Views and Parts Lists 32 Generac Power Systems, IncPART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts ListsGenerac Power Systems, Inc PART NO. QTY. DESCRIPTIONSection 7 - Exploded Views and Parts Lists 34 Generac Power Systems, IncPART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION 27, 28 Section 7 - Exploded Views and Parts Lists36 Generac Power Systems, Inc 35, 36, 40DESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY PART NO. QTY38 Generac Power Systems, Inc DESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION 14 20 Section 7 - Exploded Views and Parts Lists40 Generac Power Systems, Inc 1.8 FT Section 7 - Exploded Views and Parts ListsDESCRIPTION 1.25 FTSection 7 - Exploded Views and Parts Lists 42 Generac Power Systems, Inc2.6 FT Section 7 - Exploded Views and Parts ListsDESCRIPTION 3 FTSection 7 - Exploded Views and Parts Lists 44 Generac Power Systems, IncSection 7 - Exploded Views and Parts Lists DESCRIPTIONSection 7 - Exploded Views and Parts Lists 46 Generac Power Systems, IncSection 7 - Exploded Views and Parts Lists DESCRIPTIONSection 7 - Exploded Views and Parts Lists 48 Generac Power Systems, IncSection 7 - Exploded Views and Parts Lists DESCRIPTIONSection 8 - Mounting 50 Generac Power Systems, IncALL DIMENSIONS IN MILLIMETERS INCHES Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-BGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators Generac Power Systems, IncSection 9 - Notes PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES YOUR WARRANTY RIGHTS AND OBLIGATIONSMANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENTEMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTYSection 10 - Warranty Section 10 - Warranty GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIANPREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS WARRANTY SCHEDULE

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