Manuals / Guardian Technologies / Lawn and Garden / Portable Generator

Guardian Technologies 04390-2, 04389-2 Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators

Models: 04390-2 04456-2 04389-2

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Section 9 — Notes

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

54 Generac® Power Systems, Inc.

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Guardian Technologies 04390-2, 04389-2 Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators, Generac Power Systems, Inc

Contents

DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY This manual should remain with the unitNot intended for use as Primary Power in place of utility or POWER SYSTEMS‹ CONTENTS ‹ OPERATION AND MAINTENANCE‹ HOW TO OBTAIN SERVICE INTRODUCTIONSafety Rules Table of ContentsGENERAL HAZARDS DANGERDespite the safe design of this generator Parts of the generator are rotating and/or hotELECTRICAL HAZARDS FIRE HAZARDSEXPLOSION HAZARDS ‹ STANDARDS INDEX‹ 1.3.1 SECTION 210.12 ARC FAULT CIRCUIT INTERRUPTER PROTECTION 1.1 UNPACKING/INSPECTION1.2 PROTECTION SYSTEMS BREAKER FOR BEDROOMSFigure 1.2 - 12 kW and 15 kW, V-twin GT-990 Engine 1.4 THE GENERATORFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine 1.5 SPECIFICATIONS ‹ 1.5.1 GENERATOR‹ 1.5.2 ENGINE Section 1 - General Information1.9 RECONFIGURING THE FUEL SYSTEM 1.6 SYSTEM SET LED1.7 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.8 FUEL CONSUMPTION1.10.2 TRANSFER SWITCH 1.10.2.1 7 kW, 12 kW and 15 kW Units 1.10 LOCATION1.9.2 12KW AND 15KW, 990CC ENGINES 1.10.1 GENERATOR1.11 BATTERY INSTALLATION 1.12 THE BATTERYFigure 1.5 - Battery Cable Connections Use tools with insulated handles Wear rubber gloves and boots2.2 CHECK TRANSFER SWITCH OPERATION 2.1 BEFORE INITIAL START-UP2.3 ELECTRICAL CHECKS Do not open or mutilate the battery. ReleasedDANGER 2.4 GENERATOR TESTS UNDER LOAD2.5 CHECKING AUTOMATIC OPERATION 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY Figure 2.2 - Placement of RegulatorFigure 2.1 - Dual Fuel Regulators Do not make any unnecessary adjustments2.7 ENGINE GOVERNOR ADJUSTMENT 2.8 VOLTAGE REGULATOR ADJUSTMENTFigure 2.3 - Engine Governor Adjustment Figure 2.4 - Full Load Speed Adjust Screw3.1 BREAK-IN PROCEDURE 3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE3.3 AUTOMATIC TRANSFER OPERATION ‹ 3.2.1 “AUTO” POSITIONFigure 3.2 - Manual Transfer Switch Operation ‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE3.5 MANUAL TRANSFER OPERATION 3.4 SEQUENCE OF AUTOMATIC OPERATION3.6 SETTING THE EXERCISE TIMER ‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE‹ 3.7.1 LOW OIL PRESSURE SWITCH ‹ 3.7.2 HIGH TEMPERATURE SWITCH4.2 CHECKING THE ENGINE OIL LEVEL 3.7.3.1 Approximate Crank Cycle Times‹ 3.7.4 OVERSPEED Figure 4.2 - Oil Dipstick and Fill, 7 kW4.5 CHANGING THE ENGINE AIR CLEANER ‹ 4.3.2 OIL CHANGE PROCEDUREFigure 4.6 - 7 kW, Engine Air Cleaner Location 4.3 CHANGING THE ENGINE OIL4.7 BATTERY MAINTENANCE Figure 4.7 - 12 kW and 15 kW Engine Air CleanerFigure 4.8 - Setting the Spark Plug Gap 4.6 SPARK PLUGS4.8 ADJUSTING GH-410/GT-990 VALVE CLEARANCE Figure 4.10 - Valve Clearance Adjustment4.9 COOLING SYSTEM Figure 4.9 - Cooling Vent Locations4.12 OUT OF SERVICE PROCEDURE ‹ 4.12.1 REMOVAL FROM SERVICE‹ 4.12.2 RETURN TO SERVICE 4.10 ATTENTION AFTER SUBMERSIONbe performed by the nearest Guardian Authorized Dealer 4.13 SERVICE SCHEDULEATTENTION It is recommended that all service work 5.1 TROUBLESHOOTING GUIDE PROBLEMCAUSE CORRECTIONSection 6 - Electrical Data 24 Generac Power Systems, IncENGINE WIRING Generac Power Systems, Inc Section 6 - Electrical DataCONTROL PANEL BOX CUSTOMERElectrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B 26 Generac Power Systems, IncSection 6 - Electrical Data Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsElectrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B Generac Power Systems, IncSection 6 - Electrical Data Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 6 - Electrical Data 28 Generac Power Systems, IncENGINE WIRING Generac Power Systems, Inc Section 6 - Electrical DataCONTROL PANEL BOX CUSTOMERElectrical Schematic - 7 kW - Drawing No. 0D9014-C 30 Generac Power Systems, IncSection 6 - Electrical Data Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsElectrical Schematic - 7 kW - Drawing No. 0D9014-C Generac Power Systems, IncSection 6 - Electrical Data Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators9115 Section 7 - Exploded Views and Parts Lists32 Generac Power Systems, Inc DESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists 34 Generac Power Systems, IncGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators Control Panel - Drawing No. 0E7974-BSection 7 - Exploded Views and Parts Lists HARNESS, CONTROL PANEL WIRE NOTASSEMBLY, BATTERY CHARGER ENGINE ASSEMBLY, ROOF/DOOR GROUND WIRESection 7 - Exploded Views and Parts Lists 36 Generac Power Systems, IncSection 7 - Exploded Views and Parts Lists DESCRIPTIONSection 7 - Exploded Views and Parts Lists 12 kW and 15 kW GTS Load Center Assembly - Drawing No. 0E7973-B38 Generac Power Systems, Inc Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 7 - Exploded Views and Parts Lists DESCRIPTIONSection 7 - Exploded Views and Parts Lists 40 Generac Power Systems, Inc5, 19, 20, 39, 40 32, 33, 34Section 7 - Exploded Views and Parts Lists ASSEMBLY, DIPSTICK WITH HANDLEASSEMBLY, HOUSING COVER WITH ASSEMBLY, CRANKCASE HOUSING WITH42 Generac Power Systems, Inc DESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists 44 Generac Power Systems, IncGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators 7 kW Generator - Drawing No. 0D3504-CSection 7 - Exploded Views and Parts Lists DESCRIPTION1.8 FT 1.25 FTSection 7 - Exploded Views and Parts Lists 46 Generac Power Systems, IncGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators 12 kW and 15 kW Generator - Drawing No. 0D3417-HSection 7 - Exploded Views and Parts Lists DESCRIPTION2.6 FT 3 FTSection 7 - Exploded Views and Parts Lists 48 Generac Power Systems, IncSection 7 - Exploded Views and Parts Lists DESCRIPTIONSection 7 - Exploded Views and Parts Lists 50 Generac Power Systems, IncSection 7 - Exploded Views and Parts Lists DESCRIPTIONSection 7 - Exploded Views and Parts Lists PART NO. QTYDESCRIPTION PART NO. QTYSection 8 - Mounting Dimensions Generac Power Systems, IncALL DIMENSIONS IN MILLIMETERS INCHES cooled 7 kW, 12 kW and 15 kW Generators Drawing No. 0D3739-B54 Generac Power Systems, Inc Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsGenerac Power Systems, Inc Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsYOUR WARRANTY RIGHTS AND OBLIGATIONS MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGEPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTSection 10 - Warranty EMISSION CONTROL SYSTEM WARRANTYEMISSION RELATED PARTS INCLUDE THE FOLLOWING GENERAC POWER SYSTEMS “TWO YEAR” LIMITED WARRANTY FOR GUARDIAN “PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS”Section 10 - Warranty WARRANTY SCHEDULE