Powerhead assembly figure 1, Figure 4 carburetor assembly – McCulloch MAC 325BP User Manual
Page 2

2
POWERHEAD ASSEMBLY
FIGURE 1
––2
2––––3
––4
––22
––23
22–––24
––25
––26
––28
––29
28–––30
––31
––37
––36 ––38
36–––37––––39
––40
––41
––45
45–––46
––47
––48
47–––49
––50
––53
53–––54
55
56
57
1
3
6
5
2
4
58
53
50
47
48
49
46
46
54
45
52
51
61
62
64
63
44
34
21
16
18
19
15
17
16
14
20
13
10
11
12
7
8
9
23
24
26
25
27
22
33
32
30
31
37
38
39
35
36
28
29
42
43
59 60
7
FIGURE 4
CARBURETOR ASSEMBLY
22
-- --
. Collar
1
23
-- --
. Base Asy, Primer
1
24
A
223756
. Primer Bulb
1
25
-- --
. Screw, Pin
1
26
-- --
. Screw, Throttle Valve
1
27
-- --
. Screw, Metering Cover
2
28
-- --
. Screw, Pump Cover
2
29
-- --
. Screw, Throttle Lever
1
30
-- --
. Ball, Steel
1
31
-- --
. Screw, Retainer
2
32
-- --
. Spring, Adjust Screw
1
33
-- --
. Washer, Limiter
1
34
-- --
. Screw, Hi Speed
1
35
-- --
. Screw, Low Speed
1
36
B
111216
. Limiter Cap, High, 2-Stg Red
1
37
B
111217
. Limiter Cap, Low, 2-Stg Nat
1
38
-- --
. Retainer, Limiter
1
224711 Kit, Major Repair (RB-29)
300472 Kit, Gasket/Diaphragm (GND-12)
9
11
17
25 29
6
22
8
26
1
10
12
13
28
18
5
20
37
35
38
32
33
34
36
30
2
4
15
16
14
21
31
3
24
23
27
19
7
B
322410-01
Carburetor - Zama C1U-M35A
1
1
-- --
. Strainer
1
2
-- --
. Plug, Welch
1
3
-- --
. Retainer, Prime
1
4
-- --
. Nozzle Asy, Check Valve
1
5
-- --
. Shaft Asy, Throttle
1
6
-- --
. Lever, Throttle
1
7
-- --
. Spring, Throttle Return
1
8
-- --
. Valve, Throttle
1
9
-- --
. Diaphragm Asy, Metering
1
10
-- --
. Diaphragm, Pump
1
11
-- --
. Gasket, Metering Chamber
1
12
-- --
. Gasket, Pump
1
13
-- --
. Cover, Pump
1
14
-- --
. Valve, Inlet Needle
1
15
-- --
. Spring, Metering Lever
1
16
-- --
. Lever, Metering
1
17
-- --
. Pin
1
18
-- --
. Screw, Throttle Adjust
1
19
-- --
. Spring, Friction
1
20
-- --
. Shaft Asy, Choke
1
21
-- --
. Valve, Choke
1
ITEM STK
PART
UNITS
NO. CODE NUMBER
DESCRIPTION
PER ASY
ITEM STK
PART
UNITS
NO. CODE NUMBER
DESCRIPTION
PER ASY