Generac Power Systems 04389-1, 04456-1, 04390-1 owner manual BUSHING, Governor Lower

Page 43

Section 7 — Exploded Views and Parts Lists

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

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

ITEM

PART NO.

QTY.

DESCRIPTION

 

ITEM

PART NO.

QTY.

DESCRIPTION

1

0C5729

1

ASSEMBLY, CRANKCASE HOUSING WITH

36

0C2992

1

BUSHING, GOVERNOR LOWER

 

 

 

SLEEVE

37

0C3971C

1

ASSEMBLY, DIPSTICK WITH HANDLE

2

0C3008

1

SEAL, 38 I.D. CRANKSHAFT

38

0C5305

1

TUBE, DIPSTICK

3

090388

8

SCREW, TAPTITE M6-1.0 X 12 YC

39

0C3027

1

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

4

0C5372

1

ASSEMBLY, BREATHER

40

0C3007

1

SEAL, 42 I.D. CRANKSHAFT

5

0C3005

1

GASKET, BREATHER COVER

41

0C5731

1

ASSEMBLY, HOUSING COVER WITH

6

0E1684

3

SEPARATOR, OIL BREATHER

 

 

 

 

SLEEVE

7

0D8067A

1

ASSEMBLY, HEAD #1 G&S

42

0C3006

9

SCREW, HHFC M10-1.5 X 55

8

071983

4

RETAINER, PISTON PIN 20

43

080318

8

SCREW HHFC M6-1.0 X 25

9

0C2981C

1

ROCKER, COVER NO OIL FILL

44

093064

1

ASSEMBLY, OIL FILL CAP

10

045761A

4

STUD M8-1.25/10MM X 30 G5 ZINC

45

0C8808

2

HOOK, LIFTING

11

0C5848

2

PISTON, HC

46

0D2723B

1

ROCKER, COVER WITH OIL FILL

12

021533

2

SET, PISTON RING 90MM

47

0C2979

2

GASKET, VALVE COVER

13

071980

2

PIN PISTON D20

48

086515

8

KEEPER, VALVE SPRING

14

0D4041

1

ASSEMBLY, CAMSHAFT & GEAR

49

0D2274

4

RETAINER, VALVE SPRING

15

0C2983

1

SHAFT, GOVERNOR

50

0D3867

4

SPRING, VALVE

16A

0C2985A

2

ROLLER BEARING, GOVERNOR PLATE

51

078672

2

SEAL, VALVE STEM D7

16B

0C2985B

1

ROLLER BEARING, GOVERNOR

52

0C5371

4

WASHER, VALVE SPRING

17

0D4042

1

ASSEMBLY,GOVERNOR GEAR

53

072694

4

STUD, ROCKER ARM PIVOT

18

0A7811

1

SPOOL, GOVERNOR MACHINED

54

0D3998

4

NUT HEX M8-1.0 G8 YEL CHR

19

0C2977

1

GASKET, CRANK CASE

55

0C3027

2

O-RING, 3/8" X 1/2"

20

0C5943

1

SEAL, OIL PASSAGE

56

0D5313

4

ROCKER ARM

21

0D4040E

1

ASSEMBLY, CRANKSHAFT HORIZONTAL

57

0D6024

2

PLATE, PUSH ROD GUIDE

 

 

 

DIRECT DRIVE (GT-990)

58

0C2976

12

SCREW HHFC M8-1.25 X 65

 

0D4122E

1

ASSEMBLY, CRANKSHAFT HORIZONTAL

59

086516

2

VALVE, EXHAUST

 

 

 

DIRECT DRIVE (GT-760)

60

0C2229

2

VALVE, INTAKE

22

0C2969

2

ASSEMBLY, CONNECTING ROD (GT-990)

61

083897

4

TAPPET, SOLID

 

0D3961

2

ASSEMBLY, CONNECTING ROD (GT-760)

62

0D8067B

1

ASSEMBLY, HEAD #2 G&S

23

0D2157

2

SCREW SHC M6-1.0 X 50 G8.8

63

0D9853D

4

PUSHROD, 147

24

0C5313

1

SCREEN, OIL PICKUP

64

0C2978

2

GASKET, HEAD

25

0D4123

1

ASSEMBLY, OIL PUMP

65

043790A

1

BARBED ELBOW 90 3/8NPT X 3/8

26

078699E

2

SLEEVE, SEAMED DOWEL 10 DIA.

 

 

 

 

L0CKTITE

27

0C3011

2

COVER, OIL RELIEF

66

0D4010

1

KIT GASKET

28

0C3009

2

SPRING, OIL RELIEF

67

0D4011

1

KIT PISTON & RINGS

29

0C3010

2

BALL, 1/2D OIL RELIEF

68

0D4012

1

KIT BREATHER ASSEMBLY

30

093873

2

WASHER, LOCK RIB M6

69

0D4013

1

KIT GOVERNOR ASSEMBLY

31

0C5315

1

GEROTOR, OUTER

70

0D8675A

1

KIT HEAD ASSEMBLY CYLINDER 1

32

0C5998

1

CLAMP, OIL TUBE

71

0D8675B

1

KIT HEAD ASSEMBLY CYLINDER 2

33

0D1667

1

ARM, GOVERNOR

72

0D4015

1

KIT OIL RELIEF

34

0C2991

2

E-RING, GOVERNOR ARM

73

0D4016

1

KIT GEAR COVER

35

0C2988

1

THRUST WASHER, GOVERNOR

 

 

 

 

 

Generac® Power Systems, Inc. 41

Image 43
Contents Installation Authorized Dealer Location IntroductionIntroduction Inside Front Cover Post Installation Start-up AdjustmentsMaintenance TroubleshootingGeneral Hazards ‹ Standards Index Electrical HazardsProtection Systems UNPACKING/INSPECTIONSystem SET LED 7 kW, Single Cylinder GH-410 Engine Your Generator‹ 1.5.1 Generator Specifications‹ 1.5.2 Engine 1 7 KW, 410CC Engine Reconfiguring the Fuel SystemFuel Requirements Recommendations Fuel Consumption2.1 7 kW, 12 kW and 15 kW Units Transfer SwitchLocation GeneratorBattery Battery InstallationBefore Initial START-UP Check Transfer Switch OperationElectrical Checks Checking Automatic Operation Generator Tests Under LoadEngine Governor Adjustment Adjusting the Regulator Natural GAS only1 7 KW Units 2 12 KW and 15 KW Units Voltage Regulator Adjustment‹ 3.2.1 Auto Position BREAK-IN ProcedureAutomatic Transfer Operation ‹ 3.2.3 Manual PositionManual Transfer Operation Sequence of Automatic Operation‹ 3.7.2 High Temperature Switch Setting the Exercise Timer‹ 3.5.2 Transfer Back to Utility Power Source ‹ 3.7.1 LOW OIL Pressure SwitchApproximate Crank Cycle Times Checking the Engine OIL Level‹ 3.7.4 Overspeed ‹ 4.3.1 Engine OIL Recommendations ‹ 4.3.2 OIL Change ProcedureChanging the Engine OIL Changing the OIL FilterSpark Plugs Battery MaintenanceCooling System Adjusting GH-410/GT-990 Valve ClearanceCorrosion Protection OUT of Service Procedure‹ 4.12.1 Removal from Service ‹ 4.12.2 Return to ServiceSYSTEM/COMPONENT Procedure Frequency Service ScheduleProblem Cause Correction Troubleshooting GuideElectrical Data Customer Battery Utility Battery Charger Utility Connection BCR Customer Connections Neutral Exploded Views and Parts Lists Part NO.QTY. Description Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists BOX GTS Load Center Exploded Views and Parts Lists COVER, 12 Position GTS Load Center Kit Contains BUSHING, Governor Lower 138 122 KNOB, AIR Cleaner 28 31 ADAPTOR, Engine Exploded Views and Parts Lists Stator 12KW Exploded Views and Parts Lists ASSEMBLY, Connecting ROD Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome Engine only Mounting Dimensions Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators MANUFACTURER’S Emission Control System Warranty Coverage Your Warranty Rights and ObligationsPURCHASER’S/OWNER’S Warranty Responsibilities Emission Related Parts Include the Following Emission Control System WarrantyThis Warranty Shall not Apply to the Following Warranty Schedule