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Figure 2 powerhead assembly – McCulloch MS1432 User Manual

Page 5

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5

FIGURE 2

POWERHEAD ASSEMBLY

1 A

301304

Oil Pump Asy

1

2 B

322182

. Fitting

2

3 A

301084

. Kit, Gear/Plunger Asy

1

4 A

110582

.. Washer

1

5 -

-- --

.. O-Ring

1

6 -

-- --

.. Spring

1

7 -

-- --

.. Pin, Dowel

1

8 B

322187

.. Plug, Oil Pump

1

9 A

111226

. Screw, 10-24 x .62 Tr Hd Torx

2

10 A

224814

Worm Gear

1

11 A

224840

Spring, Compression

1

12 A

300295

Seal, Foam, Oil Pump

1

13 A

300288

Connecting Hose

1

14 A

301284

Short Block Asy

1

15 A

83856-01

Bolt, Bar

2

16 B

300257

Fitting

1

17 A

111083

Screw, 12-24 x 1.0 Hx Wshr Hd 4

18 C

323923

Baffle, Air

1

19 A 111054-00 Screw, 10-24x.625 1

20 A

110676

Nut, Hx 1/4-28 Flange

2

21 -

-- --

Crankshaft/Bearing Asy

1

22 A

213282

. Bearing, C’shaft

2

23 A

83859

. Seal, C’shaft Oil

2

24 -

-- --

Connecting Rod/Bearing

1

25 -

-- --

Screw, Conn Rod

2

26 -

-- --

Set, Roller Pins

1

27 B

302220

Flywheel/Pawl Asy

1

28 A

300763-01

. Kit, Flywheel Pawls

2

29 A

216982

.. Spring, Starter Pawl

2

30 C

111131

.. Washer, Sp .469 OD x .222 ID 2

31 -

-- --

.. Pawls

2

32 A

322721

.. Pin, Starter Pawl

2

33 A

102164

Key, Flywheel

1

34 -

-- --

Piston

1

35 -

-- --

Bearing, Needle-Drawn Cup

1

36 -

-- --

Pin, Piston

1

37 -

-- --

Ring, Snap

2

38 -

-- --

Piston, Ring

1

39 A

110961

Nut, Hx 5/16-24

1

40 A

217936

Screw, Tr 10-24 x .75 Torx

2

41 B

300555

Wire Asy, Ground

1

42 B

300556

Wire Asy, Stop Switch

1

43 A

302138

Ignition Asy

1

44 A

223884

. Kit, Plug Wire

1

45 A

102556

.. Connector

1

46 A

95266

.. Boot

1

47 B

110995

.. Grommet

1

48 B

215533-01

.. Grommet

1

49 A

322208

Spark Plug RDJ7Y

1

50 B

301045

Muffler Asy

1

51 -

-- --

. Body

1

52 -

-- --

. Plate, Reinforcing

1

53 -

-- --

. Spacer

3

54 -

-- --

. Baffle, Inner Muffler

1

55 B

300286

. Screen, Spark Arrester

1

56 -

-- --

. Baffle, Outer

1

57 -

-- --

. Cover, Muffler

1

58 B

111093

. Screw, 10-24 x 1.75 Tr Hd Torx 3

59 A

300265

Gasket, Insulator

1

60 A

224820

Insulator, Carburetor

1

61 A

218315

Nut, Hx 10-24

2

62 A

322188

Spacer, Rubber

2

63 A

224850

Seal, Foam

1

64 B

217937

Screw, Tr 10-24 x 1.00 Torx

2

65 A

300293

Gasket, Carburetor

1

66 -

FIGURE 4

Carburetor/Choke Asy

1

67 A

218083

Screw, Tr 10-24 x 2.0 Torx

2

68 C

224824

Box, Air Filter

1

69 A

224831

Filter, Air

1

70 B

224825

Shield, Carburetor

1

71 A

111055

Screw, 10-14 x .625 Plastite

1

72 A

268656-33

Gas Bar Adj Screw Nut & Ring

1

73 -

-- --

. Ring, Retaining

1

74 -

-- --

. Nut, Bar Adjusting

1

75 A

302768

Drum/Sprocket/Bearing Asy

1

76 A

91117

. Bearing

1

77 B

215259

Washer, Sprocket

1

78 A

301463

Kit, Clutch Asy

1

79 B

300276

Plate, Dust

1

80 A

111079

Nut, Clutch, 5/16-24 LH

1

81 A

301834

Fuel Tank Asy

1

82 A

300289

. Hose, Fuel Pickup

1

83 A

216985

. Filter, Fuel

1

84 A

322199

. Valve, Duckbill

1

85 A

300290

. Hose, Primer Retain

1

86 A

300564

Cap, Fuel Asy

1

87 -

-- --

. Gasket, Fuel Cap

1

88 C

322200

Cover Cylinder

1

89 C

322201

Cover, Spacer

1

90 A

217936

Screw, 10-24x.75 Tr Torx

1

32cc piston and cylinder are no longer available;

for replacement parts the 38cc Shortblock Asy,

PN 301284, must be used

Contents of 38cc Shortblock Asy, PN 301284

Not used on these models

ITEM STK

PART

UNITS

NO. CODE NUMBER

DESCRIPTION

PER ASY

ITEM STK

PART

UNITS

NO. CODE NUMBER

DESCRIPTION

PER ASY

¡

¿¡

¡

¡
¡
¡
¡

¿¡

¡
¡

¿¡

¡

¡
¡
¡

¬
¬
¡

¿

¡

¡

¡

¬

4

FIGURE 2

POWERHEAD ASSEMBLY

––2

1––––3––

––9

––4

––5

––6

––7

––8

––27

27–––28––

––29

––30

––31

––32

––43

43–––44––

––44

––45

––46

––47

––48

––51

––52

––53

––54

50–––55

––56

––57

––58

––81

––82

81–––83

––84

––85

––86

86–––87

17

16

72

73

74

20

15

8

13

3

6

4

5

9

7

14

25

23

26

21

22

23

35

10

11

12

83

82

85

84

86

1

2

81

37

36

38

34 37

22

76

75

78

79

80

71

70

69

67

68

66

64

65

60

63

61
62

58

57

54

56

55

53

52

51

19

18

59

49

88

9

46

89

43

41

42

40

90

44

32

31 30

29

39

9

27

87

40

45

48

14

47

30

24

77

––21

21–––22

––23