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

Page 50
48 Generac® Power Systems, Inc.

Section 7 — Exploded Views and Parts Lists

Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Gas Regulator – Drawing No. 0D8720-F

Manual background28

12 11

10

30

9

 

37

1

8

5

4

2

3

10

22

19

 

23

24

 

25

10

21 20

20

 

25

21

 

24

18

 

 

 

29

23

 

 

 

 

 

22

 

 

 

19

16

13

 

14

26

15

 

 

 

17

 

 

 

 

18

 

 

29

 

 

16

11

27 31

13

 

 

14

 

 

15

28

 

26

12

 

 

 

 

17

11

32

12 Manual backgroundManual backgroundManual backgroundManual background28

48 Generac® Power Systems, Inc.

Image 50
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 Parts of the generator are rotating and/or hot GENERAL HAZARDSDespite the safe design of this generator during operation. Exercise care near running generatorsEXPLOSION 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 ‹ 1.5.2 ENGINE 1.5 SPECIFICATIONS‹ 1.5.1 GENERATOR 1.7 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 2.4 GENERATOR TESTS UNDER LOAD 2.5 CHECKING AUTOMATIC OPERATIONFigure 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 CONNECTION CONTROL PANEL BOXCUSTOMER Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B 26 Generac Power Systems, IncGenerac Power Systems, Inc 28 Generac Power Systems, Inc Section 6 - Electrical DataCONTROL PANEL BOX 224A 30 Generac Power Systems, Inc225A Electrical Schematic - 7 kW - Drawing No. 0D9014-C Section 7 - Exploded Views and Parts Lists 32 Generac Power Systems, IncPART NO. QTY. DESCRIPTION 34 Generac Power Systems, Inc PART NO. QTY. DESCRIPTION 35, 36, 40 36 Generac Power Systems, Inc27, 28 PART NO. QTY DESCRIPTION38 Generac Power Systems, Inc DESCRIPTION 40 Generac Power Systems, Inc 14 201.8 FT 1.25 FT42 Generac Power Systems, Inc 1.33 FT 2.6 FT3 FT 44 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists 46 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists 48 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists Section 8 - Mounting 50 Generac Power Systems, IncALL DIMENSIONS IN MILLIMETERS INCHES Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-BSection 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 CONTROL SYSTEM WARRANTY EMISSION RELATED PARTS INCLUDE THE FOLLOWINGWARRANTY SCHEDULE GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIANPREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING