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

Page 51
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Section 7 — Exploded Views and Parts Lists

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

Gas Regulator – Drawing No. 0D8720-F

 

ITEM

PART NO.

QTY.

DESCRIPTION

 

1

0D5694

1

CASTING, TWIN REGULATOR HOUSING

 

2

0F5022

1

SOLENOID COIL, 12VDC

 

3

0C4647

1

GASKET , SOLENOID

 

4

0D4166

1

PLUNGER, LP REGULATOR ASSEMBLY

 

5

0C6070

1

SPRING-SOLENOID, PLUNGER

 

8

0F4795

4

SCREW PPHM SEMS M4-0.7 X 10

 

9

0C5760J

1

JET, GN 410 ENGINE LP (7KW)

 

10

0C6606

2*

BARBED STRAIGHT 1/2NPT x 1/2

 

11

097934

2*

O-RING, CHECK VALVE

 

12

0C4645

2*

ADJUSTER SCREW, TWIN REGULATOR

 

13

0C5761

2

LEVER, REGULATOR

 

14

0C5968

2

SUPPORT, INLET SEAL

 

15

0C6066

2

SEAL, INLET

 

16

0C5759

2

PIN, PIVOT ARM

 

17

0C5764

2

SPRING, REGULATOR

 

 

0C5764A

2

SPRING, REGULATOR (7KW)

 

18

070728

4

SCREW, PFHMS M3-0.5 x 5

 

19

0C6069

2

GASKET, DIAPHRAGM

 

20

0C5762

2

COVER, TWIN REGULATOR

 

21

045764

16

SCREW, TAPTITE M4X8 BP

 

22

0C6731

2

RIVET, POP .118 X .125

 

23

0C6067

2

SUPPORT, DIAPHRAGM

 

24

0C4706

2

DIAPHRAGM, TWIN REGULATOR

 

25

0C6068

2

CAP, DIAPHRAGM SUPPORT

 

26

0C4643A

2

INLET, TWIN REGULATOR 11.11 DIA.

 

27

026073

1

PLUG, STANDARD PIPE 1/8" STEEL SQUARE HEAD

 

 

026073

2

PLUG, STANDARD PIPE 1/8" STEEL SQUARE HEAD (7KW)

 

28

0A4032

2*

PIN, LIMITED ADJUSTMENT

 

29

0D3308

4

WASHER, FLAT M3 X 10mm O.D.

 

30

024310

1

PLUG, STANDARD PIPE 1/2" STEEL SQUARE HEAD (7KW)

 

31

028414A

1

BARBED STRAIGHT 1/8"NPT X 1/4"

 

32

0D5698A

1

JET IDLE PRIMER PHILLIPS HD (V-TWIN ONLY)

 

37

0D3973

1

PLUG, EXPANSION 16mm

* A QUANTITY OF 1 IS TO BE USED ON 7KW HOME STANDBY

Generac® Power Systems, Inc. 49

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Contents Installation and Owner’s Manual 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 unitINTRODUCTION ‹ CONTENTS‹ OPERATION AND MAINTENANCE ‹ HOW TO OBTAIN SERVICEIntroduction during operation. Exercise care near running generators GENERAL HAZARDSDespite the safe design of this generator Parts of the generator are rotating and/or hot‹ STANDARDS INDEX ELECTRICAL HAZARDSFIRE HAZARDS EXPLOSION HAZARDSDANGER 1.1 UNPACKING/INSPECTION1.2 PROTECTION SYSTEMS 1.3 SYSTEM SET LED1.4 THE GENERATOR Figure 1.1 - 7 kW, Single Cylinder GH-410 EngineFigure 1.2 - 12 kW/15 kW, V-twin GT-990/760 Engine 1.5 SPECIFICATIONS ‹ 1.5.1 GENERATOR‹ 1.5.2 ENGINE DANGER 1.8 RECONFIGURING THE FUEL SYSTEM1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.7 FUEL CONSUMPTIONFigure 1.4 - Demand Regulator 1.9 LOCATION1.8.2 12KW AND 15KW, 990CC ENGINES 1.9.1 GENERATORFigure 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 Units2.2 CHECK TRANSFER SWITCH OPERATION 2.1 BEFORE INITIAL START-UP2.3 ELECTRICAL CHECKS 2.5 CHECKING AUTOMATIC OPERATION 2.4 GENERATOR TESTS UNDER LOAD2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY Figure 2.2 - Placement of RegulatorFigure 2.1 - Dual Fuel Regulators Figure 2.5 - V-twin Full Load Speed Adjust Screw 2.7 ENGINE GOVERNOR ADJUSTMENTFigure 2.4 - V-twin Engine Governor Adjustment Figure 2.3 - Single Cylinder Engine Governor AdjustmentFigure 2.6 - Voltage Adjustment Potentiometer 2.8 VOLTAGE REGULATOR ADJUSTMENT3.1 BREAK-IN PROCEDURE 3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE 3.3 AUTOMATIC TRANSFER OPERATION3.5 MANUAL TRANSFER OPERATION 3.4 SEQUENCE OF AUTOMATIC OPERATIONFigure 3.2 - Manual Transfer Switch Operation ‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE‹ 3.7.1 LOW OIL PRESSURE SWITCH ‹ 3.7.2 HIGH TEMPERATURE SWITCH‹ 3.7.3 OVERCRANK Figure 3.3 - Low Oil Pressure and High Temperature Switches4.2 CHECKING THE ENGINE OIL LEVEL 4.1 FUSE4.4 CHANGING THE OIL FILTER 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 4.6 - 7 kW, Engine Air Cleaner Location Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner4.8 ADJUSTING VALVE CLEARANCE Figure 4.10 - Valve Clearance Adjustment4.9 COOLING SYSTEM 4.10 ATTENTION AFTER SUBMERSION 4.12 OUT OF SERVICE PROCEDURE‹ 4.12.2 RETURN TO SERVICE ‹ 4.12.1 REMOVAL FROM SERVICE4.13 SERVICE SCHEDULE CORRECTION 5.1 TROUBLESHOOTING GUIDEPROBLEM CAUSE24 Generac Power Systems, Inc ENGINE WIRINGSection 6 - Electrical Data CONTROL PANEL BOX CUSTOMERCONNECTION 26 Generac Power Systems, Inc Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-BSection 6 - Electrical Data Section 6 - Electrical Data 28 Generac Power Systems, IncCUSTOMER 30 Generac Power Systems, Inc 225A224A Electrical Schematic - 7 kW - Drawing No. 0D9014-C 32 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION 34 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists 36 Generac Power Systems, Inc 27, 2835, 36, 40 DESCRIPTION PART NO. QTY38 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists 14 20 40 Generac Power Systems, Inc1.25 FT 1.8 FT42 Generac Power Systems, Inc 2.6 FT 3 FT1.33 FT 44 Generac Power Systems, Inc DESCRIPTION 46 Generac Power Systems, Inc DESCRIPTION 48 Generac Power Systems, Inc DESCRIPTION Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B 50 Generac Power Systems, IncALL DIMENSIONS IN MILLIMETERS INCHES Section 8 - MountingSection 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 RESPONSIBILITIESEMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTYTHIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIANPREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS WARRANTY SCHEDULE