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Guardian Technologies 04389-2, 04456-2 Exploded Views and Parts Lists, Part No. Qty, Description

Models: 04390-2 04456-2 04389-2

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PART NO. QTY.

Section 7 — Exploded Views and Parts Lists

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

Gas Regulator – Drawing No. 0D8720-B

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	21
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	20
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	25	24						FOR GT 760
								FOR GT 760
			22			1		ENGINE ONLY
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	10		19				35
			19
			12			26	16	29 18
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			15		2918				25
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	28		17	16
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ITEM	PART NO. QTY.		DESCRIPTION		ITEM	PART NO. QTY.		DESCRIPTION
1	0D5694	1	CASTING, TWIN REGULATOR HOUSING		21	045764	16	SCREW, TAPTITE M4X8 BP
2	0C5765	1	SOLENOID, TWIN REGULATOR			045764	8	SCREW, TAPTITE M4X8 BP (7KW)
3	0C4647	1	GASKET , SOLENOID		22	0C6731	2*	RIVET, POP .118 X .125
4	0C4680	1	PLUNGER, LP REGULATOR ASSEMBLY		23	0C6067	2*	SUPPORT, DIAPHRAGM
5	0C6070	1	SPRING-SOLENOID, PLUNGER		24	0C4706	2*	DIAPHRAGM, TWIN REGULATOR
6	022985	4	WASHER, FLAT #6		25	0C6068	2*	CAP, DIAPHRAGM SUPPORT
7	022264	4	WASHER, LOCK M4		26	0C4643A	2*	INLET, TWIN REGULATOR 11.11 DIA.
8	075475	4	SCREW PPHM M4-0.7 X 10		27	026073	1	PLUG, STANDARD PIPE 1/8 STEEL
9	0C5760A	1	JET, GN 410 ENGINE LP (7KW)					SQUARE HEAD
10	0C6606	2*	BARBED STRAIGHT 1/2NPT x 1/2		28	0A4032	2*	PIN, LIMITED ADJUSTMENT
11	097934	2*	O-RING, CHECK VALVE		29	0D3308	4	WASHER, FLAT M3 X 10mm O.D.
12	0C4645	2*	ADJUSTER SCREW, TWIN REGULATOR			0D3308	2	WASHER, FLAT M3 X 10mm O.D. (7KW)
13	0C5761	2*	LEVER, REGULATOR		30	0C4643	1	INLET, TWIN REGULATOR NO HOLE -
14	0C5968	2*	SUPPORT, INLET SEAL					NOT SHOWN (7KW)
15	0C6066	2*	SEAL, INLET		31	028414A	1	BARBED STRAIGHT 1/8"NPT X 1/4"
16	0C5759	2*	PIN, PIVOT ARM		32	0D5698A	1	JET IDLE PRIMER PHILLIPS HD
17	0C5764	2	SPRING, REGULATOR		33	0C5760B	1	JET, GT760 CYL 1 NAT GAS
	0C5764A	1	SPRING, REGULATOR (7KW)		34	0C5760C	1	JET, GT760 CYL 2 NAT GAS
18	070728	4	SCREW, PFHMS M3-0.5 x 5		35	0C5760D	1	JET, GT 760 LP CYL 1
	070728	2	SCREW, PFHMS M3-0.5 x 5 (7KW)		36	0C5760E	1	JET, GT760 LP CYL 2
19	0C6069	2*	GASKET, DIAPHRAGM		37	0D3973	2	PLUG, EXPANSION 16mm
20	0C5762	2*	COVER, TWIN REGULATOR
					* A QUANTITY OF 1 IS TO BE USED ON 7KW HOME STANDBY

52 Generac® Power Systems, Inc.

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Guardian Technologies 04389-2, 04456-2, 04390-2 owner manual Exploded Views and Parts Lists, Part No. Qty, Description

Contents

Not intended for use as Primary Power in place of utility or DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLYThis manual should remain with the unit POWER SYSTEMS‹ HOW TO OBTAIN SERVICE ‹ CONTENTS‹ OPERATION AND MAINTENANCE INTRODUCTIONSafety Rules Table of ContentsDespite the safe design of this generator GENERAL HAZARDSDANGER Parts of the generator are rotating and/or hotEXPLOSION HAZARDS ELECTRICAL HAZARDSFIRE HAZARDS ‹ STANDARDS INDEX1.2 PROTECTION SYSTEMS ‹ 1.3.1 SECTION 210.12 ARC FAULT CIRCUIT INTERRUPTER PROTECTION1.1 UNPACKING/INSPECTION BREAKER FOR BEDROOMS1.4 THE GENERATOR Figure 1.1 - 7 kW, Single Cylinder GH-410 EngineFigure 1.2 - 12 kW and 15 kW, V-twin GT-990 Engine ‹ 1.5.2 ENGINE 1.5 SPECIFICATIONS‹ 1.5.1 GENERATOR Section 1 - General Information1.7 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.9 RECONFIGURING THE FUEL SYSTEM1.6 SYSTEM SET LED 1.8 FUEL CONSUMPTION1.9.2 12KW AND 15KW, 990CC ENGINES 1.10.2 TRANSFER SWITCH 1.10.2.1 7 kW, 12 kW and 15 kW Units1.10 LOCATION 1.10.1 GENERATORFigure 1.5 - Battery Cable Connections 1.11 BATTERY INSTALLATION1.12 THE BATTERY Use tools with insulated handles Wear rubber gloves and boots2.3 ELECTRICAL CHECKS 2.2 CHECK TRANSFER SWITCH OPERATION2.1 BEFORE INITIAL START-UP Do not open or mutilate the battery. Released2.4 GENERATOR TESTS UNDER LOAD 2.5 CHECKING AUTOMATIC OPERATIONDANGER Figure 2.1 - Dual Fuel Regulators 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLYFigure 2.2 - Placement of Regulator Do not make any unnecessary adjustmentsFigure 2.3 - Engine Governor Adjustment 2.7 ENGINE GOVERNOR ADJUSTMENT2.8 VOLTAGE REGULATOR ADJUSTMENT Figure 2.4 - Full Load Speed Adjust Screw3.3 AUTOMATIC TRANSFER OPERATION 3.1 BREAK-IN PROCEDURE3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE ‹ 3.2.1 “AUTO” POSITION3.5 MANUAL TRANSFER OPERATION Figure 3.2 - Manual Transfer Switch Operation‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE 3.4 SEQUENCE OF AUTOMATIC OPERATION‹ 3.7.1 LOW OIL PRESSURE SWITCH 3.6 SETTING THE EXERCISE TIMER‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE ‹ 3.7.2 HIGH TEMPERATURE SWITCH‹ 3.7.4 OVERSPEED 4.2 CHECKING THE ENGINE OIL LEVEL3.7.3.1 Approximate Crank Cycle Times Figure 4.2 - Oil Dipstick and Fill, 7 kWFigure 4.6 - 7 kW, Engine Air Cleaner Location 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 4.7 - 12 kW and 15 kW Engine Air Cleaner 4.6 SPARK PLUGS4.9 COOLING SYSTEM 4.8 ADJUSTING GH-410/GT-990 VALVE CLEARANCEFigure 4.10 - Valve Clearance Adjustment Figure 4.9 - Cooling Vent Locations‹ 4.12.2 RETURN TO SERVICE 4.12 OUT OF SERVICE PROCEDURE‹ 4.12.1 REMOVAL FROM SERVICE 4.10 ATTENTION AFTER SUBMERSION4.13 SERVICE SCHEDULE ATTENTION It is recommended that all service workbe performed by the nearest Guardian Authorized Dealer CAUSE 5.1 TROUBLESHOOTING GUIDEPROBLEM CORRECTION24 Generac Power Systems, Inc ENGINE WIRINGSection 6 - Electrical Data 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 GeneratorsSection 6 - Electrical Data Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-BGenerac Power Systems, Inc Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators28 Generac Power Systems, Inc ENGINE WIRINGSection 6 - Electrical Data CONTROL PANEL BOX Generac Power Systems, IncSection 6 - Electrical Data CUSTOMERSection 6 - Electrical Data Electrical Schematic - 7 kW - Drawing No. 0D9014-C30 Generac Power Systems, Inc Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 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, Inc9115 Section 7 - Exploded Views and Parts Lists DESCRIPTIONDESCRIPTION Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Exploded Views and Parts Lists34 Generac Power Systems, Inc Control Panel - Drawing No. 0E7974-BASSEMBLY, BATTERY CHARGER ENGINE Section 7 - Exploded Views and Parts ListsHARNESS, CONTROL PANEL WIRE NOT ASSEMBLY, ROOF/DOOR GROUND WIRESection 7 - Exploded Views and Parts Lists 36 Generac Power Systems, IncSection 7 - Exploded Views and Parts Lists DESCRIPTION38 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists12 kW and 15 kW GTS Load Center Assembly - Drawing No. 0E7973-B Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 7 - Exploded Views and Parts Lists DESCRIPTION5, 19, 20, 39, 40 Section 7 - Exploded Views and Parts Lists40 Generac Power Systems, Inc 32, 33, 34ASSEMBLY, HOUSING COVER WITH Section 7 - Exploded Views and Parts ListsASSEMBLY, DIPSTICK WITH HANDLE ASSEMBLY, CRANKCASE HOUSING WITH42 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists DESCRIPTIONDESCRIPTION Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Exploded Views and Parts Lists44 Generac Power Systems, Inc 7 kW Generator - Drawing No. 0D3504-C1.8 FT Section 7 - Exploded Views and Parts ListsDESCRIPTION 1.25 FTGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Exploded Views and Parts Lists46 Generac Power Systems, Inc 12 kW and 15 kW Generator - Drawing No. 0D3417-H2.6 FT Section 7 - Exploded Views and Parts ListsDESCRIPTION 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 DESCRIPTIONDESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY PART NO. QTYALL DIMENSIONS IN MILLIMETERS INCHES Section 8 - Mounting DimensionsGenerac Power Systems, Inc 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 GeneratorsPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES YOUR WARRANTY RIGHTS AND OBLIGATIONSMANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTEMISSION CONTROL SYSTEM WARRANTY EMISSION RELATED PARTS INCLUDE THE FOLLOWINGSection 10 - Warranty Section 10 - Warranty GENERAC POWER SYSTEMS “TWO YEAR” LIMITED WARRANTY FOR GUARDIAN“PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS” WARRANTY SCHEDULE