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Generac 04675-3 owner manual Models 04673-2 6 kW NG, 7 kW LP 04674-2 12 kW NG, 12 kW LP, Danger

Models: 04674-2 04675-3 04673-2

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POWER SYSTEMS, INC.

Installation and

Owner’s Manual

Air-cooled Automatic

Standby Generators

Models:

04673-2 (6 kW NG, 7 kW LP)

04674-2 (12 kW NG, 12 kW LP)

04675-3 (13 kW NG, 15 kW LP)

GENERAC RPOWER SYSTEMS,

	This manual should remain with the unit.
!	Not intended for use as Primary Power in place of utility	!
!	or in life-support applications.	!
	or in life-support applications.

DANGER

DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY!!

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Generac owner manual Models 04673-2 6 kW NG, 7 kW LP 04674-2 12 kW NG, 12 kW LP, 04675-3 13 kW NG, 15 kW LP, Danger

Contents

04675-3 13 kW NG, 15 kW LP Models 04673-2 6 kW NG, 7 kW LP 04674-2 12 kW NG, 12 kW LPThis manual should remain with the unit Installation and Owner’s ManualAUTHORIZED DEALER LOCATION INTRODUCTIONDANGER safety and/or property of othersIntroduction DANGER GENERAL HAZARDSPlease read all hazards carefully Despite the safe design of this generatorFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS ‹ STANDARDS INDEX1.2 PROTECTION SYSTEMS 1.1 UNPACKING/INSPECTION1.3 SYSTEM SET LED DANGERGenerac Power Systems, Inc 1.4 THE GENERATORFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine Figure 1.2 - 12 kW/15 kW, V-twin GT-990/760 Engine‹ 1.5.1 GENERATOR 1.5 SPECIFICATIONS‹ 1.5.2 ENGINE Section 1 - General Information1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.8 RECONFIGURING THE FUEL SYSTEM1.7 FUEL CONSUMPTION Figure 1.3 - Demand Regulator1.9.2 TRANSFER SWITCH 1.9 LOCATION1.9.1 GENERATOR 1.9.2.1 7 kW, 12 kW and 15 kW Units1.11 THE BATTERY 1.10 BATTERY INSTALLATIONFigure 1.5 - Battery Cable Connections Use tools with insulated handles Wear rubber gloves and boots2.1 BEFORE INITIAL START-UP 2.2 CHECK TRANSFER SWITCH OPERATION2.3 ELECTRICAL CHECKS The following procedures are to be observed2.5 CHECKING AUTOMATIC OPERATION 2.4 GENERATOR TESTS UNDER LOAD2.7 ENGINE GOVERNOR ADJUSTMENT 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLYFigure 2.2 - Placement of Regulator Do not make any unnecessary adjustmentsFigure 2.3 - Single Cylinder Engine Governor Adjustment 2.8 VOLTAGE REGULATOR ADJUSTMENTFigure 2.5 - V-twin Full Load Speed Adjust Screw Figure 2.4 - V-twin Engine Governor Adjustment3.3 AUTOMATIC TRANSFER OPERATION 3.1 BREAK-IN PROCEDURE3.4 SEQUENCE OF AUTOMATIC OPERATION 3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE 3.5 MANUAL TRANSFER OPERATIONFigure 3.2 - Manual Transfer Switch Operation ‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE3.7 PROTECTION SYSTEMS 3.6 SETTING THE EXERCISE TIMERFigure 3.3 - Low Oil Pressure and High Temperature Switches Low Oil Switch4.2 CHECKING THE ENGINE OIL LEVEL 4.1 FUSE4.3 CHANGING THE ENGINE OIL Oil Dipstick and Fill4.4 CHANGING THE OIL FILTER 4.5 CHANGING THE ENGINE AIR CLEANEROil Drain Hose Oil Filter Figure 4.6 - 7 kW, Engine Air Cleaner Location4.6 SPARK PLUGS 4.7 BATTERY MAINTENANCEFigure 4.8 - Setting the Spark Plug Gap Use tools with insulated handles Wear rubber gloves and boots4.9 COOLING SYSTEM 4.8 ADJUSTING VALVE CLEARANCEFigure 4.10 - Valve Clearance Adjustment The maximum ambient temperature for the generator is 48.9 C 104 F4.10 ATTENTION AFTER SUBMERSION 4.12 OUT OF SERVICE PROCEDURE4.11 CORROSION PROTECTION ‹ 4.12.2 RETURN TO SERVICE4.13 SERVICE SCHEDULE PROBLEM 5.1 TROUBLESHOOTING GUIDECAUSE CORRECTIONENGINE WIRING 24 Generac Power Systems, IncSection 6 - Electrical Data Section 6 - Electrical Data Generac Power Systems, IncCONTROL PANEL BOX CUSTOMER26 Generac Power Systems, Inc Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-BSection 6 - Electrical Data Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsGenerac Power Systems, Inc Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-BSection 6 - Electrical Data Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsENGINE WIRING 28 Generac Power Systems, IncSection 6 - Electrical Data Section 6 - Electrical Data Generac Power Systems, IncCONTROL PANEL BOX CUSTOMER30 Generac Power Systems, Inc Electrical Schematic - 7 kW - Drawing No. 0D9014-CSection 6 - Electrical Data Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsGenerac Power Systems, Inc Electrical Schematic - 7 kW - Drawing No. 0D9014-CSection 6 - Electrical Data Generac Air-cooled 7 kW, 12 kW and 15 kW Generators32 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION 34 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators Control Panel - Drawing No. 0E7974-GPART NO. QTY Section 7 - Exploded Views and Parts ListsDESCRIPTION PART NO. QTY36 Generac Power and Parts Lists1310 16B 16APART NO. QTY Section 7 - Exploded Views and Parts ListsDESCRIPTION PART NO. QTY38 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsITEM PART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts ListsITEM PART NO. QTY. DESCRIPTION SCREW SHOULDER 8MM M6-1.0 X40 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists14 20 DESCRIPTION Section 7 - Exploded Views and Parts Lists1.8 FT 1.25 FT42 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators 12 kW and 15 kW Generator - Drawing No. 0D3417-JDESCRIPTION Section 7 - Exploded Views and Parts Lists2.6 FT 3 FT44 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists46 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators GN410 Engine - Drawing No. 0E9180-B PartDESCRIPTION Section 7 - Exploded Views and Parts Lists48 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists50 Generac Power Systems, Inc DimensionsALL DIMENSIONS IN MILLIMETERS INCHES Section 8 - MountingSection 9 - Notes Generac Power Systems, IncGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators YOUR WARRANTY RIGHTS AND OBLIGATIONS CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTMANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIESSection 10 - Warranty EMISSION CONTROL SYSTEM WARRANTYEMISSION RELATED PARTS INCLUDE THE FOLLOWING FOR GENERAC RESIDENTIAL AND LIGHT COMMERCIAL UNITS GENERAC POWER SYSTEMS STANDARD TWO-YEAR LIMITED WARRANTYSection 10 - Warranty WARRANTY SCHEDULE

POWER SYSTEMS, INC.

Installation and

Air-cooled Automatic

Models:

04675-3 (13 kW NG, 15 kW LP)

*This manual should remain with the unit.*

DANGER

This manual should remain with the unit.