Generac 04389-1, 04456-1, 04390-1 owner manual Exploded Views and Parts Lists, Description

Page 43
Manual background

Section 7 — Exploded Views and Parts Lists

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

GT-990 Engine – Drawing No. 0D8674-C Part 1

ITEM

PART NO.

QTY.

DESCRIPTION

 

ITEM

PART NO.

QTY.

DESCRIPTION

1

0C5729

1

ASSEMBLY, CRANKCASE HOUSING WITH

35

0C2988

1

THRUST WASHER, GOVERNOR

 

 

 

SLEEVE

36

0C2992

1

BUSHING, GOVERNOR LOWER

2

0C3008

1

SEAL, 38 I.D. CRANKSHAFT

37

0C3971C

1

ASSEMBLY, DIPSTICK WITH HANDLE

3

090388

8

SCREW, TAPTITE M6-1.0 X 12 YC

38

0C5305

1

TUBE, DIPSTICK

4

0C5372

1

ASSEMBLY, BREATHER

39

0C3027

1

O-RING, OIL CLR 3/8 X 1/2

5

0C3005

1

GASKET, BREATHER COVER

40

0C3007

1

SEAL, 42 I.D. CRANKSHAFT

6

0C3003

3

SEPARATOR, OIL BREATHER

41

0C5731

1

ASSEMBLY, HOUSING COVER WITH

7

0D8067A

1

ASSEMBLY, HEAD #1 G&S

 

 

 

 

SLEEVE

8

071983

4

RETAINER, PISTON PIN 20

42

0C3006

9

SCREW, HHFC M10-1.5 X 55

9

0C2981C

1

ROCKER, COVER NO OIL FILL

43

0C8566

8

SCREW HHFC M6-1.0 X 20

10

045761A

4

STUD M8-1.25/10MM X 30 G5 ZINC

44

093064

1

ASSEMBLY, OIL FILL CAP

11

0C5848

2

PISTON, HC

45

0C8808

2

HOOK, LIFTING

12

021533

2

SET, PISTON RING 90MM

46

0D2723B

1

ROCKER, COVER WITH OIL FILL

13

071980

2

PIN PISTON D20

47

0C2979

2

GASKET, VALVE COVER

14

0D4041

1

ASSEMBLY, CAMSHAFT & GEAR

48

086515

8

KEEPER, VALVE SPRING

15

0C2983

1

SHAFT, GOVERNOR

49

0D2274

4

RETAINER, VALVE SPRING

16A

0C2985A

2

ROLLER BEARING, GOVERNOR PLATE

50

0D3867

4

SPRING, VALVE

16B

0C2985B

1

ROLLER BEARING, GOVERNOR

51

078672

2

SEAL, VALVE STEM D7

17

0D4042

1

ASSEMBLY,GOVERNOR GEAR

52

0C5371

4

WASHER, VALVE SPRING

18

0A7811

1

SPOOL, GOVERNOR MACHINED

53

0D5326

4

NUT, JAM ROCKER ARM

19

0C2977

1

GASKET, CRANK CASE

54

0D6023

4

STUD, ROCKER ARM M8-1.0 x 57mm

20

0C5943

1

SEAL, OIL PASSAGE

55

0D5354

4

PIVOT, ROCKER ARM

21

0D4040E

1

ASSEMBLY, CRANKSHAFT HORIZONTAL

56

0D5313

4

ROCKER ARM

 

 

 

DIRECT DRIVE (GT-990)

57

0D6024

2

PLATE, PUSH ROD GUIDE

21

0D4122E

1

ASSEMBLY, CRANKSHAFT HORIZONTAL

58

0C2976

12

SCREW HHFC M8-1.25 X 65

 

 

 

DIRECT DRIVE (GT-760)

59

086516

2

VALVE, EXHAUST

22

0C2969

2

ASSEMBLY, CONNECTING ROD (GT-990)

60

0C2229

2

VALVE, INTAKE

 

0D3961

2

ASSEMBLY, CONNECTING ROD (GT-760)

61

083897

4

TAPPET, SOLID

23

0D2157

2

SCREW SHC M6-1.0 X 50 G8.8

62

0D8067B

1

ASSEMBLY, HEAD #2 G&S

24

0C5313

1

SCREEN, OIL PICKUP

63

088396D

4

PUSHROD, 144.6

25

0D4123

1

ASSEMBLY, OIL PUMP

64

0C2978

2

GASKET, HEAD

26

078699E

2

SLEEVE, SEAMED DOWEL 10 DIA.

65

043790A

1

BARBED ELBOW 90 3/8NPT X 3/8

27

0C3011

2

COVER, OIL RELIEF

 

L0CKTITE

 

 

28

0C3009

2

SPRING, OIL RELIEF

66

0D4010

1

KIT GASKET

29

0C3010

2

BALL, 1/2D OIL RELIEF

67

0D4011

1

KIT PISTON & RINGS

30

093873

2

WASHER, LOCK RIB M6

68

0D4012

1

KIT BREATHER ASSEMBLY

31

0C5315

1

GEROTOR, OUTER

69

0D4013

1

KIT GOVERNOR ASSEMBLY

32

0C5998

1

CLAMP, OIL TUBE

70

0D8675A

1

KIT HEAD ASSEMBLY CYLINDER 1

33

0D1667

1

ARM, GOVERNOR

71

0D8675B

1

KIT HEAD ASSEMBLY CYLINDER 2

34

0C2991

2

E-RING, GOVERNOR ARM

72

0D4015

1

KIT OIL RELIEF

Generac® Power Systems, Inc. 41

Page 42 Page 44
Image 43
Page 42 Page 44
Contents DANGER POWER SYSTEMS, INCDEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY POWER SYSTEMS‹CONTENTS INTRODUCTIONAUTHORIZED DEALER LOCATION DANGERIntroduction Despite the safe design of this generator GENERAL HAZARDSParts of the generator are rotating and/or hot ‹STANDARDS INDEX ELECTRICAL HAZARDSFIRE HAZARDS EXPLOSION HAZARDS1.2PROTECTION SYSTEMS 1.1UNPACKING/INSPECTION1.3SYSTEM SET LED Figure 1.1 - 7 kW, Single Cylinder GH-410Engine 1.4YOUR GENERATORFigure 1.2 - 12 kW and 15 kW, V-twin GT-990Engine ‹ 1.5.1 GENERATOR 1.5 SPECIFICATIONS‹1.5.2 ENGINE DANGER 1.8RECONFIGURING THE FUEL SYSTEM1.6FUEL REQUIREMENTS AND RECOMMENDATIONS 1.7FUEL CONSUMPTION1.9.1 GENERATOR 1.10 BATTERY INSTALLATION1.9LOCATION 1.9.2 TRANSFER SWITCHDo not open or mutilate the battery. Released 1.11 THE BATTERYFigure 1.5 - Battery Cable Connections Wear rubber gloves and bootsNever operate the engine with the oil level 2.2CHECK TRANSFER SWITCH OPERATION2.1BEFORE INITIAL START-UP 2.3ELECTRICAL CHECKS2.4GENERATOR TESTS UNDER LOAD 2.6ADJUSTING THE REGULATOR NATURAL GAS ONLY2.5CHECKING AUTOMATIC OPERATION Do not make any unnecessary adjustments 2.7ENGINE GOVERNOR ADJUSTMENTFigure 2.2 - Placement of Regulator Figure 2.3 - Engine Governor AdjustmentFigure 2.5 - Voltage Adjustment Potentiometer 2.8VOLTAGE REGULATOR ADJUSTMENT3.1BREAK-INPROCEDURE Figure 2.4 - Full Load Speed Adjust Screw3.4SEQUENCE OF AUTOMATIC OPERATION 3.3AUTOMATIC TRANSFER OPERATION3.2USING THE AUTO/OFF/MANUAL SWITCH FIGURE With the switch set to AUTO, the engine mayFigure 3.2 - Manual Transfer Switch Operation 3.6SETTING THE EXERCISE TIMER3.5MANUAL TRANSFER OPERATION ‹3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE‹3.7.2 HIGH TEMPERATURE SWITCH 3.7PROTECTION SYSTEMS4.1FUSE ‹3.7.1 LOW OIL PRESSURE SWITCH‹4.3.1 ENGINE OIL RECOMMENDATIONS 4.2CHECKING THE ENGINE OIL LEVEL4.3CHANGING THE ENGINE OIL ‹ 4.3.2 OIL CHANGE PROCEDUREFigure 4.6 - 7 kW, Engine Air Cleaner Location 4.5CHANGING THE ENGINE AIR CLEANER4.4CHANGING THE OIL FILTER 4.6SPARK PLUGS4.8ADJUSTING GH-410/GT-990VALVE CLEARANCE 4.7BATTERY MAINTENANCEFigure 4.8 - Setting the Spark Plug Gap Figure 4.10 - Valve Clearance Adjustment 4.9COOLING SYSTEM4.10 ATTENTION AFTER SUBMERSION 4.11 CORROSION PROTECTION‹4.12.1 REMOVAL FROM SERVICE 4.12 OUT OF SERVICE PROCEDURE‹4.12.2 RETURN TO SERVICE 4.13 SERVICE SCHEDULE CORRECTION 5.1TROUBLESHOOTING GUIDEPROBLEM CAUSESection 6 - Electrical Data 24 Generac Power Systems, IncCUSTOMER CONTROL PANEL BOXCONNECTION 26 Generac Power Systems, Inc C2-6 28 Generac Power Systems, Inc Wiring Diagram - 7 kW - Drawing No. 0D9013-ACLOSEST TO BEA 4 0 STATOR CUSTOMER CONNECTION30 Generac Power Systems, Inc Section 6 - Electrical Data 32 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsPART NO.QTY. DESCRIPTION Control Panel - Drawing No. 0D8503-E DESCRIPTION Section 7 - Exploded Views and Parts Lists 0D4801 37 17 24 0D3086 Kit Contains DESCRIPTION 42 Generac Power Systems, Inc DESCRIPTION 44 Generac Power Systems, Inc 7 kW Generator - Drawing No. 0D3504-B 46 Generac Power Systems, Inc 12 kW and 15 kW Generator - Drawing No. 0D3417-B 48 Generac Power Systems, Inc GN410 Engine - Drawing No. 0D3539-BPart 50 Generac Power Systems, Inc 0C1069 PART NO. QTY NTAKE Section 8 - Mounting DimensionsTRANSFER SWITCH Guardian Air54 Generac Power Systems, Inc Generac Power Systems, Inc Section 10 - Warranty CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTYOUR WARRANTY RIGHTS AND OBLIGATIONS PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIESEMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTYGENERAC POWER SYSTEMS, INC WARRANTY SCHEDULEP.O. BOX WHITEWATER, WI
Top Page Image Contents