Figure 2 powerhead assembly – McCulloch MS1432 User Manual
Page 5
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