Section 7 — Exploded Views and Parts Lists

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

GT-990 Engine – Drawing No. 0E8774-B Part 1

ITEM

PART NO.

QTY.

DESCRIPTION

 

ITEM

PART NO.

QTY.

DESCRIPTION

1

0C5729

1

ASSEMBLY, CRANKCASE HOUSING WITH

37

0C3971C

1

ASSEMBLY, DIPSTICK WITH HANDLE

 

 

 

SLEEVE

38

0C5305

1

TUBE, DIPSTICK

2

0C3008

1

SEAL, 38 I.D. CRANKSHAFT

39

0C3027

1

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

3

090388

4

SCREW, TAPTITE M6-1.0 X 12 YC

40

0C3007

1

SEAL, 42 I.D. CRANKSHAFT

4

0C5372

1

ASSEMBLY, BREATHER

41

0C5731

1

ASSEMBLY, HOUSING COVER WITH

5

0C3005

1

GASKET, BREATHER COVER

 

 

 

 

SLEEVE

6

0E3372B

3

SEPARATOR, OIL BREATHER

42

0C3006

9

SCREW, HHFC M10-1.5 X 55

7

0D8067A

1

ASSEMBLY, HEAD #1 G&S

43

080318

8

SCREW HHFC M6-1.0 X 25

8

071983

4

RETAINER, PISTON PIN 20

44

093064

1

ASSEMBLY, OIL FILL CAP

9

0C2981C

1

ROCKER, COVER NO OIL FILL

45

0C8808

2

HOOK, LIFTING

10

045761A

4

STUD M8-1.25/10MM X 30 G5 ZINC

46

0D2723B

1

ROCKER, COVER WITH OIL FILL

11

0E2985

2

PISTON, HC

47

0C2979

2

GASKET, VALVE COVER

12

021533

2

SET, PISTON RING 90MM

48

086515

8

KEEPER, VALVE SPRING

13

0E1466

2

PIN PISTON

49

0D2274

4

RETAINER, VALVE SPRING

14

0D4041

1

ASSEMBLY, CAMSHAFT & GEAR

50

0D3867

4

SPRING, VALVE

15

0C2983

1

SHAFT, GOVERNOR

51

078672

2

SEAL, VALVE STEM D7

16A

0C2985A

2

ROLLER BEARING, GOVERNOR PLATE

52

0C5371

4

WASHER, VALVE SPRING

16B

0C2985B

1

ROLLER BEARING, GOVERNOR

53

072694

4

STUD, ROCKER ARM PIVOT

17

0D4042

1

ASSEMBLY,GOVERNOR GEAR

54

0D3998

4

NUT HEX M8-1.0 G8 YEL CHR

18

0A7811

1

SPOOL, GOVERNOR MACHINED

55

0C3027

2

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

19

0C2977

1

GASKET, CRANK CASE

56

0D5313

4

ROCKER ARM

20

0C5943

1

SEAL, OIL PASSAGE

57

0D6024

2

PLATE, PUSH ROD GUIDE

21

0E4357E

1

ASSEMBLY, CRANKSHAFT HORIZONTAL

58

0C2976

12

SCREW HHFC M8-1.25 X 65

 

 

 

DIRECT DRIVE

59

086516

2

VALVE, EXHAUST

22

0E3223

2

ASSEMBLY, CONNECTING ROD

60

0C2229

2

VALVE, INTAKE

23

0D2157

2

SCREW SHC M6-1.0 X 50 G8.8

61

083897

4

TAPPET, SOLID

24

0E6098

1

SCREEN, OIL PICKUP

62

0D8067B

1

ASSEMBLY, HEAD #2 G&S

25

0D4123A

1

ASSEMBLY, OIL PUMP

63

0D9853D

4

PUSHROD, 147

26

078699E

2

SLEEVE, SEAMED DOWEL 10 DIA.

64

0C2978

2

GASKET, HEAD

27

0C3011

2

COVER, OIL RELIEF

65

043790A

1

BARBED ELBOW 90 3/8NPT X 3/8

28

0C3009

2

SPRING, OIL RELIEF

 

 

 

 

L0CKTITE

29

0C3010

2

BALL, 1/2D OIL RELIEF

66

0D4010

1

KIT GASKET

30

093873

2

WASHER, LOCK RIB M6

67

0D4011

1

KIT PISTON & RINGS

31

0C5315

1

GEROTOR, OUTER

68

0D4012

1

KIT BREATHER ASSEMBLY

32

0C5998

1

CLAMP, OIL TUBE

69

0D4013

1

KIT GOVERNOR ASSEMBLY

33

0D1667

1

ARM, GOVERNOR

70

0D8675A

1

KIT HEAD ASSEMBLY CYLINDER 1

34

0C2991

2

E-RING, GOVERNOR ARM

71

0D8675B

1

KIT HEAD ASSEMBLY CYLINDER 2

35

0C2988

1

THRUST WASHER, GOVERNOR

72

0D4015

1

KIT OIL RELIEF

36

0C2992

1

BUSHING, GOVERNOR LOWER

73

0D4016

1

KIT GEAR COVER

Generac® Power Systems, Inc. 41

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Generac Power Systems 04389-2, 04456-2, 04390-2 owner manual Sleeve