McCulloch Blower MAC 325BP User Manual

SERIAL  
NUMBER  
PREFIX  
GAS POWERED ANTI-VIBRATION  
BACKPACK BLOWER  
MODEL  
NAMES  
ENGINE  
SIZE  
MODEL  
400232-06  
-
MAC 325BP  
MB3202  
21-  
-
32cc  
32cc  
The policy of McCulloch is one of continual improvement in  
design, manufacturing and engineering advancement wherever  
possible to assure still finer power tools. Hence, specifications,  
equipment colors, design and manufacturer’s suggested list  
prices are subject to change without notice. McCulloch reserves  
the right to make such changes without prior notification or  
obligation to backfit or supply backfit components for units  
previously shipped from the factory.  
McCulloch products are identified by a model number (in this  
instance 400232) followed by a suffix number (06). Suffix numbers  
denote variations in parts or assemblies used in the manufacture of  
this product.  
Illustrated Parts Lists (IPLs) contain a PART NUMBER, DESCRIP-  
TION, UNITS per assembly and STOCKING CODE for each part.  
Stocking Codes are:  
A - Dealer stocked. Fast to medium moving part.  
B - Distributor stocked. Medium to slow moving part.  
C - Factory stocked. Slow moving part.  
NOTE:  
(-)  
The following explains symbols and footnotes in this IPL:  
MARCH 2003  
A dash preceding a PART NUMBER indicates that it  
is a new part number, different from the one listed in  
the previous IPL for this unit.  
One or more dots (. Spring, Starter) preceding a part  
DESCRIPTION indicates the part is included in the kit  
or assembly described directly above the dot(s).  
(.)  
If four dashes appear in place of a PART NUMBER,  
the part is not available individually but is included in  
the next higher assembly or subassembly.  
(-- --)  
ILLUSTRATED PARTS LIST  
¿¡  
Circled numbers preceding a DESCRIPTION footnote  
the part or assembly to additional information on the  
page.  
P.O. Box 31567  
Tucson, Arizona 85751-1567 • U.S.A.  
An asterisk denotes that choices follow or precede.  
(*)  
© 2003 McCulloch • Printed in U.S.A.  
PN 211870-03  
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POWERHEAD ASSEMBLY  
ITEM STK PART  
FIGURE 1  
UNITS  
PER ASY  
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
NO. CODE NUMBER  
DESCRIPTION  
DESCRIPTION  
Ignition Asy  
PER ASY  
1
2
3
B
B
-
111159  
224707  
-- --  
Screw, 10-24x2.25 Taptite  
Kit, Muffler  
. Screw  
2
36  
37  
38  
39  
40  
41  
42  
43  
44  
A
A
A
A
B
B
B
A
C
-
302138  
223884  
102556  
95266  
215533-01  
110995  
111067  
322396  
224713  
-- --  
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
2
1
1
1
1
4
1
1
1
1
3
1
1
1
1
1
1
5
1
1
2
1
1
1
2
1
1
1
1
2
1
1
1
3
2
1
1
2
1
1
1
1
1
1
4
1
2
2
2
2
1
1
1
2
. Kit, Spark Plug Wire  
.. Connector, Spark  
.. Boot, Spark Plug  
.. Grommet, H/T Lead, Split  
.. Grommet, S/Plug Wire  
Screw, 10-24 x .63  
Shroud, Engine  
Short Block Asy  
. Ccase Asy  
4
5
6
7
8
9
C
B
C
A
A
A
B
C
A
-
A
C
A
A
B
A
A
A
A
A
A
A
A
A
B
A
-
322420-01  
322413  
322414-90  
300294  
322429-61  
224239  
322436-61  
322425-90  
218083  
FIGURE 4  
218933  
322434  
218315  
322188  
322409  
111226  
111203-00  
323912  
224207  
216985  
225162  
225163  
223508  
322105  
301352-01  
550001  
-- --  
. Plate, Muffler  
Screen, Spark Arrester  
Cover, Spark Arrester  
Screw, 8-16 x .75 Tr Hd Plastite  
Cover, Air Box  
Filter, Air  
Box, Air Filter  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
29  
30  
31  
32  
33  
34  
35  
Plate, Air Box  
-
-- --  
. Cshaft Asy  
Screw, 10-24 x 2 Torx  
Carburetor Assembly  
Gasket, Carburetor  
Manifold, Carburetor  
. Nut, 10-24  
. Spacer, Rubber  
. Cable, Throttle  
. Screw, 10-24 x .62 Tr Hd Torx  
Screw, 10-24 x .875 Taptite  
Gasket, Manifold  
Fuel Tank Asy  
. Filter, Fuel  
. Hose, Fuel  
. Hose, Fuel Return  
. Kit, Fuel Cap w/Retainer  
Isolator, Fuel Tank  
Flywheel Asy  
Pawl Kit  
. Retainer Ring  
. Pawl, Starter  
. Spring, Starter Pawl  
Washer, Conical Spring  
Nut  
Key, Flywheel  
Screw, 10-24 x .875 Taptite  
-
-- --  
. Bearing 6202  
. Bearing 6202RS  
. Seal  
Connecting Rod Asy  
. Bearing  
Kit, Piston, 32cc  
. Piston Pin, Cshaft  
. Ring, Retaining  
. Ring, Piston  
Screw, 10-24 x .688 Tri Rnd  
Shield, Muffler  
Kit, Cylinder/Gasket, 32cc  
. Gasket, Cylinder  
Cover, Cylinder/Muffler  
Screw, 8-16 x .75 Tr Hd Plastite  
Screw, 10-14 x .75 Torx  
Spark Plug, RDJ8J  
-
-- --  
-
-- --  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
-
-
-
-
-
-
A
A
-
A
A
A
B
A
A
A
A
A
A
C
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
111065  
322426-90  
-- --  
224022  
322432-61  
300294  
218644  
92879  
302057  
302058  
224023  
224024-01  
111065  
322437-90  
Wire Asy, Ground  
Wire Asy, Stop Switch  
Gasket, Ccase  
-
-
B
B
A
A
-- --  
-- --  
111205  
111085  
102164  
111203  
Plug, Ccase  
Screw, 10-24 x .688 Tri Rnd  
Plate, Ccase  
Not shown - Not used on this model  
3
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GENERAL ASSEMBLY  
FIGURE 2  
––8  
8––––9  
––10  
––13  
––62  
––63  
––14  
––15  
––16  
––17  
62–  
––14––  
12–  
––16––  
56  
57  
55  
5
6
2
3
1
53  
54  
25  
24  
17  
16  
62  
13  
18  
2A  
14  
19  
23  
27  
26  
63  
15  
21  
22  
15  
20  
64  
4
65  
7
8
52  
33  
32  
66  
59  
10  
46  
36  
40  
58  
34  
37  
38  
48  
49  
11  
39  
50  
29  
28  
43  
61  
9
35  
60  
67  
28  
45  
51  
29  
33  
31  
30  
41  
42  
47  
44  
4
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GENERAL ASSEMBLY  
ITEM STK PART  
FIGURE 2  
UNITS  
PER ASY  
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
NO. CODE NUMBER  
DESCRIPTION  
DESCRIPTION  
PER ASY  
1
2
2A  
3
4
5
6
7
8
B
B
B
A
C
C
A
A
C
-
218655  
540002  
9122-320001  
110961  
324834-60  
324214  
300294  
300294  
302868  
-- --  
Disc, Drive  
Kit, Impellar, Blower  
.Disc, Drive  
Nut, Hx 5/16-24  
Outer Housing  
1
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
C
C
C
C
C
C
C
C
C
C
C
C
A
C
B
A
C
B
C
B
A
C
C
B
C
A
B
A
C
-
324204  
324205  
324206  
324207  
324213  
111302  
111303  
324212  
324208  
324209  
324211  
324210  
111061  
324217  
218643  
300297  
323429  
324219  
100882  
218644  
100352  
324202  
111304  
324203  
324225  
300294  
218644  
93469  
Housing, Control RH  
Housing, Control LH  
Trigger, Throttle  
Knob, Lock  
Pin, Lock  
Spring, Trigger  
Spring, Lock  
Wire Asy, Terminal  
Housing, Flex  
Clamp, Band  
1
1
1
1
1
1
7
8
1
2
1
4
1
1
1
1
1
1
3
3
1
1
2
4
3
1
4
4
3
3
2
2
2
4
1
1
1
1
1
1
2
1
2
1
1
6
1
1
1
1
2
2
2
2
1
6
1
1
1
1
1
1
1
1
1
1
1
Cover, Air Inlet  
Screw, 8-16 x .75 Tr Hd Plastite  
Screw, 8-16 x .75 Tr Hd Plastite  
Inner Housing Asy  
. Captive Nut  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
-
-- --  
. Rope Guide  
Cable, Throttle  
B
B
A
A
B
B
-
A
A
A
B
B
A
A
C
C
B
C
C
C
B
A
B
111067  
300795  
300475  
300872  
323131  
224710  
-- --  
322176  
300294  
216792  
218941  
322435  
300294  
300294  
324201  
100882  
110990  
324218  
111306  
100882  
216646  
217943  
110990  
Screw, 10-24 x .63 Sl Torx Tp  
Starter Housing Asy  
. Spring/Starter Rewind  
. Drum Rope Asy  
.. Rope, Starter 46”  
. Kit, Starter Housing  
.. Rope Guide  
Washer, .2 ID x 7/8 in. OD  
Screw, 8-16 x .75 Tr Hd Plastite  
Handle, Starter  
Sleeve, Flex, 22mm  
Screw, 6-19x.62Fl Hd Plast  
Sleeve, Flex, 9mm  
Screw, Tr 8-16x.5 Torx  
Washer, .19 ID x .68 OD  
Switch, Rocker  
Clamp, Arm  
Screw, Hx 1/4-20x.75  
Screw, Tr 10-14x.75 Torx  
Washer, 10 Pl  
Cushion, Back  
Rivet, Ribbed 14.5  
Harness, Torso  
Clamp, Cable 9/16  
Screw, 8-16x.75 Tr Hd Plast  
Screw, Tr 10-14x.75 Torx  
Washer, .469 OD - .222 ID  
Bracket, Isolator, Upper  
. Guide, Rope  
Screw, Hx 1/4-20x.75  
Washer, Pl .25 ID  
Knob, Screw Asy  
Powerhead Asy  
Washer, Nylon  
Cover, Rope  
Screw, 8-16 x .75 Tr Hd Plastite  
Screw, 8-16 x .75 Tr Hd Plastite  
Frame, Back  
Screw, Hx 1/4-20x.75  
Washer, .275x.680x.060  
Spring, Isolator  
Nut, 1/4-20 Type U  
Screw, Hx 1/4-20x.75  
Washer, Pl .250 ID  
Screw, Skt 1/4x20x1.0T  
Washer, .275x.68x.06  
302867  
-- --  
100882  
216646  
302746  
FIGURE 1  
C
B
B
-
Appears on units produced before 8/98.  
SPECIFICATIONS  
Engine Type  
Air-cooled, two cycle, single cylinder  
Displacement  
32.4cc (2.0 ci)  
Idle RPM  
3000 - 3500  
Compression after 10 pulls, throttle full open  
Ignition  
90 lb/sq.in.  
Solid State / Electronic  
0.007 to 0.012 in. (0.178 to 0.304mm)  
RDJ8J or DJ8J  
Flywheel to Ignition Gap  
Spark Plug  
Spark Plug Gap  
Fuel Tank Capacity  
Running Time  
Air Volume  
0.025 in. (0.63mm)  
24 oz (71 cl)  
60 minutes  
425 CFM  
Air Velocity  
180 MPH  
Fuel to Oil Ratio  
Dry Weight  
40:1 with McCulloch Custom Lubricant  
15.5 lbs (5.7 kg)  
Carburetor  
Diaphragm with Choke and Primer  
Nylon, Type 3.5, Length 46 in. (117cm)  
Starter Cord  
5
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BLOWER TUBES  
FIGURE 3  
2
5
3
4
7
6
1
1
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
PER ASY  
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
PER ASY  
DESCRIPTION  
DESCRIPTION  
1
2
3
4
C
C
C
B
324221  
324222  
324220  
324223  
Tube, Air  
2
5
6
7
B
A
B
324224  
111061  
111179  
Handle, Tube, LH  
Screw, 6-19x.62Fl Hd Plast  
Screw, 12-14x1.5 Torx  
1
3
1
Nozzle, Concentator Outlet  
Elbow, Flex Tube  
Handle, Tube, RH  
1
1
1
TORQUE SPECIFICATIONS  
DESCRIPTION  
Muffler to Cylinder  
Air Cover to Air Box  
FASTENER  
10-24 x 2.25 Taptite  
QTY  
2
2
2
1
2
1
2
3
4
3
1
1
4
1
8
4
FIG/ITEM NO.  
1 / 1  
TORQUE (in.lbs) LOCTITE  
111159  
300294  
218083  
111226  
111203  
111085  
111203  
111067  
111065  
300294  
218644  
92879  
55 - 60  
15 - 20  
25 - 35  
15 - 20  
55 - 60  
170 - 180  
45 - 50  
55 - 60  
55 - 60  
15 - 20  
15 - 20  
140 - 150  
40 - 45  
60 - 80  
15 - 20  
15 - 20  
15 - 20  
272  
--  
--  
242  
--  
272  
272  
272  
272  
--  
--  
--  
272  
--  
--  
8-16 x .75 Plastite  
10-24 x 2  
10-24 x 6.25  
10-24 x .875  
7/16 - 20 Hex Nut  
10-24 x .875  
10-24 x .625 Taptite  
10-24 x .688  
8-16 x .75 Plastite  
10 - 14 x .750 Plastite  
RDJ8J (DJ8J)  
1 / 7  
Air Box Plate to Carb Manifold  
Throttle cable to Carb Manifold  
Carb Manifold to Cylinder  
Flywheel to Crankshaft  
Ignition Module to Eng Shroud  
Engine Shroud to Ccase  
Ccase to Cylinder  
Cylinder Cover to Inner Housing  
Cylinder Cover to Ccase  
Spark Plug  
Ccase Plate to Ccase  
Washer to Impeller  
Outer Housing to Inner Housing  
Rope Cover to Inner Housing  
Starter Housing to Inner Housing  
1 / 12  
1 / 19  
1 / 20  
1 / 33  
1 / 35  
1 / 42  
1 / 51  
1 / 56  
1 / 57  
1 / 58  
1 / 63  
2 / 3  
111065  
110961  
300294  
300294  
300294  
10-24 x .688 Taptite  
5/16 Hex Nut  
8-16 x .75 Plastite  
8-16 x .75 Plastite  
8-16 x .75 Plastite  
2 / 7  
2 / 23  
2 / 24  
--  
--  
3
6
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CARBURETOR ASSEMBLY  
FIGURE 4  
31  
3
9
11  
24  
2
23  
16  
15  
27  
17  
29  
4
25  
14  
21  
38  
6
22  
30  
19  
32  
33  
7
34  
8
26  
36  
10  
35  
1
37  
12  
20  
5
13  
28  
18  
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
PER ASY  
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
PER ASY  
DESCRIPTION  
DESCRIPTION  
B
322410-01  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
Carburetor - Zama C1U-M35A  
. Strainer  
. Plug, Welch  
. Retainer, Prime  
. Nozzle Asy, Check Valve  
. Shaft Asy, Throttle  
. Lever, Throttle  
. Spring, Throttle Return  
. Valve, Throttle  
. Diaphragm Asy, Metering  
. Diaphragm, Pump  
. Gasket, Metering Chamber  
. Gasket, Pump  
1
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
-- --  
-- --  
223756  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
. Collar  
. Base Asy, Primer  
. Primer Bulb  
1
1
1
1
1
2
2
1
1
2
1
1
1
1
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
A
. Screw, Pin  
. Screw, Throttle Valve  
. Screw, Metering Cover  
. Screw, Pump Cover  
. Screw, Throttle Lever  
. Ball, Steel  
. Screw, Retainer  
. Spring, Adjust Screw  
. Washer, Limiter  
. Screw, Hi Speed  
. Screw, Low Speed  
. Cover, Pump  
-- --  
. Valve, Inlet Needle  
. Spring, Metering Lever  
. Lever, Metering  
B
B
111216  
111217  
-- --  
. Limiter Cap, High, 2-Stg Red  
. Limiter Cap, Low, 2-Stg Nat  
. Retainer, Limiter  
1
1
1
. Pin  
. Screw, Throttle Adjust  
. Spring, Friction  
. Shaft Asy, Choke  
. Valve, Choke  
224711 Kit, Major Repair (RB-29)  
300472 Kit, Gasket/Diaphragm (GND-12)  
7
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P.O. Box 31567 • Tucson, Arizona 85751-1567 • U.S.A.  
• MANUFACTURING • SALES • SERVICE •  
FOR WARRANTY OR SERVICE CONTACT THE NEAREST McCULLOCH AUTHORIZED  
SERVICE CENTER LISTED UNDER ‘SAWS’ IN YOUR  
TELEPHONE DIRECTORY YELLOW PAGES.  
IF FURTHER ASSISTANCE IS REQUIRED CALL THIS TOLL-FREE HOT LINE.  
PLEASE REFERENCE YOUR MODEL AND SERIAL NUMBER.  
1-800-521-8559  
MONDAY - FRIDAY - 6:00 AM - 4:30 PM (MST)  
USE ONLY  
GENUINE  
McCULLOCH  
REPLACEMENT  
PARTS  
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