Zenoah Brush Cutter BC3402FW User Manual

T1117-93120 (204)  
BRUSHCUTTERS  
BC3402FW  
BC4302FW  
NOTE :  
1. Use KOMATSU ZENOAH genuine parts specified in the parts list for repair and/or replacement.  
2. KOMATSU ZENOAH does not warrant the machines, those which have been damaged by the use  
of any parts other than those specified by the company.  
3. When placing orders of parts for repair and/or replacement, check if the model name and the serial  
number are suitable to those specified in the parts list, then use parts number described in the  
parts list.  
4. The contents described in the parts list may change due to improvement.  
5. The parts for the machine shall be supplied within ten (10) years after the machine is discontinued.  
[It is possible that some specific parts may be subject to change of their delivery term and list price  
within the limit of ten (10) years after the machine is discontinued. And it is also possible that some  
parts may be available even after the limit of ten (10) years.]  
APPLICABLE SERIAL NUMBERS : 200101 and up  
March 2002  
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BC3402FW/BC4302FW  
Fig.1 CUTTER GROUP  
Q’TY  
/UNIT  
Q’TY  
/UNIT  
Key# PART NUMBER  
DESCRIPTION  
NOTE  
Key# PART NUMBER  
DESCRIPTION  
NOTE  
1
2
3
4
5
6
7
8
9
6129-13001 GEARCASE ASS'Y  
6129-13110 • GEARCASE  
6129-13120 • BEARING  
06004-06201 • BEARING  
04065-03212 • SNAPRING  
6129-13210 • SHAFT, gear  
6129-13220 • GEAR  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
I
46  
47  
48  
49  
6565-17201 HARNESS ASS'Y  
6565-17210 • HOOK  
1
1
6565-17220 • PLATE  
1
6565-95230 • HANGER COMP.  
1
50 6565-17200-01 • BAND  
51 6565-17200-02 PROTECTOR  
52 TIX015-00-000 CAP(U)  
53 TIX016-00-010 BRAKET  
54 TIX017-00-010 CAP(L)  
55 TIX144-00-000 BOLT  
1
2
1
6129-13310 • PINION  
1
06000-06000 • BEARING  
1
10 06001-06000 • BEARING  
l1 04065-02612 • SNAPRING  
6
M5x25  
M6x30  
M6x20  
5mm  
56 TIX043-00-000 RUBBER SLEEVE  
57 TIX060-00-000 BAND  
1
12  
13  
14  
3180-13340 • SNAPRING  
6129-13240 • HOLDER(A)  
6129-13250 • HOLDER(B)  
2
58  
59  
6129-92310 SAW  
0224-00625 BOLT  
1
2
15 T3002-13260 • NUT  
60 01642-20608 WASHER  
1
16  
17  
18  
19  
6129-13350 • BOLT  
0224-00625 • BOLT  
0260-00512 • SCREW  
6129-13910 COVER  
61  
62  
63  
64  
3549-11420 HANGER  
0225-10616 BOLT  
1
1
6468-91150 BOLT  
4
3523-17112 PROTECTOR  
1
20 01252-30510 BOLT  
21 3520-13284 COVER  
22 T3206-12100 PIPE ASS'Y  
65 T3206-12511 LABEL  
66 SQM034-00-000 SOCKET  
67 09007-00528 WRENCH  
1
1
1
23  
24  
25  
26  
27  
28  
29  
30  
31  
3540-12212 SHAFT  
3263-11420 PLATE  
68  
3540-91120 SPANNER  
1
3263-11410 RING  
3541-11901 HOUSING COMP.  
3541-11191 • HOUSING  
0263-20610 • SCREW  
3541-11120 • SEAL  
3541-11130 • SPACER  
3540-11312 DRUM  
32 06004-06202 BEARING  
33 04065-03515 SNAPRING, bearing  
34 04064-01510 SNAPRING, drum  
35  
36  
37  
38  
39  
3540-11410 SPACER  
3541-11441 BRAKET ASS'Y  
3541-11432 • BRAKET  
0224-00635 • BOLT  
3540-11460 • NUT  
1
1
1
2
1
1
1
40 01642-20608 • WASHER  
41 3541-11450 • SPACER  
42 TIX044-00-000 HANDLE COMP.  
43 TIX051-00-010 LEVER  
44  
4050-17110 PROTECTOR  
45 TIX030-00-000 GUARD ASS'Y  
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BC3402FW/BC4302FW  
Fig.2 ENGINE GROUP  
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BC3402FW/BC4302FW  
Fig.2 ENGINE GROUP  
Q’TY  
/UNIT  
Q’TY  
/UNIT  
Key# PART NUMBER  
DESCRIPTION  
NOTE  
Key# PART NUMBER  
DESCRIPTION  
NOTE  
1A  
1B  
4700-12111 CYLINDER  
T1117-12110 CYLINDER  
1
1
1
1
1
3
BC3402FW  
BC4302FW  
44  
45  
4500-22110 GUARD  
0263-90514 SCREW  
1140-72231 CLAMP  
1
1
1
1
3
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
2
2
1
1
1
M5x14  
2
1850-12130 BOLT  
4500-13120 GASKET, cylinder  
4500-21101 CRANKCASE COMP.  
2629-21130 • PIN  
46  
47  
3
4570-32110 COVER  
4500-32120 SCREW  
4
48  
49  
M5x12  
M5x20  
5
4570-31900 STAND COMP.  
3356-32210 SCREW  
0263-90520 SCREW  
6
4500-21140 GASKET CASE  
06030-06201 BEARING  
4810-21210 OIL SEAL  
1650-21220 OIL SEAL  
01252-30530 BOLT  
50  
51  
7
2
1
1
4
1
1
1
2
2
1
1
2
1
2
1
2
2
1
1
2
2
2
1
1
1
1
1
1
1
1
2
2
1
1
1
1
2
2
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
8
52  
4500-73211 SWITCH  
9
10  
53A  
53B  
54  
4770-71240 CORD COMP.  
T1117-71240 CORD COMP.  
4570-72260 BRACKET  
4500-75100 RECOIL ASS'Y  
4500-75120 • REEL  
BC3402FW  
BC4302FW  
M5x30  
11  
04065-03212 SNAP RING  
4700-41110 PISTON  
4500-41110 PISTON  
1650-41210 RING  
12A  
12B  
13A  
13B  
14A  
14B  
15  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
55  
56  
57  
58  
4500-75150 • SCREW  
1850-75130 • SPRING, spiral  
4500-75180 • COLLAR  
4500-75190 • SWING ARM  
4500-75160 • ROPE  
1400-41220 RING  
1030-41310 PIN  
59  
60  
2850-41310 PIN  
1300-41320 RING  
61  
62  
ø3.5xL880  
M6x14  
16  
17  
T2100-41410 BEARING  
2850-41510 WASHER  
4500-42000 CRANKSHAFT COMP.  
4700-51110 SHOE, clutch  
4500-51111 SHOE, clutch  
1651-51220 SPRING  
4500-51220 SPRING  
1200-51211 SCREW  
1200-51230 WASHER  
1200-51241 WASHER  
4700-71110 ROTOR  
T1153-71110 ROTOR  
4770-71200 COIL-A  
T1117-71200 COIL-A  
4770-71220 • CORD, high  
4570-71220 • CORD, high  
4700-71230 • CAP  
1140-75320 • KNOB  
5500-75170 • PLATE  
63  
64  
18  
4500-75210 PULLEY  
4500-75511 SCREW  
4700-75310 COLLAR  
19A  
19B  
20A  
20B  
21  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
65  
66  
67A  
67B  
68A  
68B  
69A  
69B  
70A  
70B  
71A  
71B  
72A  
72B  
73  
4750-13160 INSULATOR  
4550-13160 INSULATOR  
4700-13150 GASKET, insu  
4500-13150 GASKET, insu  
4750-13130 GASKET, carb  
4550-13130 GASKET, carb  
4770-81003 CARBURETOR ASS'Y  
T1012-81000 CARBURETOR ASS'Y  
0263-90560 SCREW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
22  
23  
24A  
24B  
25A  
25B  
26A  
26B  
27A  
27B  
28A  
28B  
29A  
29B  
30A  
30B  
31A  
31B  
32  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
CJ6Y  
0263-90565 SCREW  
1600-97150 CABLE COMP.  
1600-83001 CABLE COMP.  
4570-82000 CLEANER ASS'Y  
1400-82113 • BODY  
2616-71320 • CAP  
4700-71240 • PIN  
74  
75  
T1153-71250 • PIN  
5500-72110 • CAP  
5500-72110 • CAP  
4570-82120 • COVER  
1
1
76  
77  
1418-82130 • ELEMENT  
1400-82141 • SCREEN  
4550-82150 SCREW  
1900-72120 SPRING  
5500-72120 SPRING  
4500-72150 BOLT  
78  
79  
2
M4x25  
1133-82060 LABEL  
80A  
80B  
81A  
81B  
82  
4770-85001 TANK ASS'Y  
T1117-85000 TANK ASS'Y  
4570-85201 • CAP ASS'Y  
2133-85302 • CAP ASS'Y  
4570-85230 • • CAP INNER  
1030-85141 • • ELEMENT  
4500-85220 • • PACKING  
3317-57242 • • STOPPER  
1400-85104 • JOINT ASS'Y  
1400-85141 • • GROMMET  
1000-08050 • • TUBE  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
3350-14150 BOLT  
1881-73110 SPARK PLUG  
1650-43230 NUT  
1000-43240 KEY  
33  
34  
M8  
35A  
35B  
36A  
36B  
37  
4770-15110 MUFFLER  
4570-15110 MUFFLER  
01252-30560 BOLT  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
M5x14  
83  
84  
85  
86  
BC4302FW  
L50  
01252-30565 BOLT  
3310-31720 BOLT  
87  
88  
38  
39  
T1048-15210 GASKET  
4570-15220 PLATE  
89  
90  
1410-86130 • • CLIP  
3073-86130 CLIP  
40  
0263-90514 SCREW  
4700-31110 COVER, fan  
T1117-31111 COVER, fan  
3310-12281 BOLT  
41A  
41B  
42A  
42B  
43A  
43B  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
BC3402FW  
BC4302FW  
91  
92  
1600-86120 SCREW  
1660-31121 LABEL  
M5x22  
93A  
93B  
T1013-75410 LABEL, recoil  
T1117-75411 LABEL, recoil  
BC3402FW  
BC4302FW  
3310-12281 BOLT  
4700-31210 PLATE, volute  
4500-31210 PLATE, volute  
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BC3402FW  
Q’TY  
/UNIT  
Key# PART NUMBER  
DESCRIPTION  
NOTE  
Fig.3 CARBURETOR [BC3402FW]  
1
2
3
T1158-81000 CARBURETOR ASS'Y  
1650-81122 • CAP  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
BC3402FW  
1141-81120 • CAP  
4 1030-81000-14 • SPRING  
1660-81151 • VALVE  
6 1030-81000-17 • RECEIVE  
5993-81210 • NEEDLE  
8 1030-81000-16 • CLIP  
5
7
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
1400-81230 • JET NEEDLE  
1620-81240 • JET  
1650-81251 • SCREW  
1650-81260 • SPRING  
1335-81180 • FLOAT  
1400-81320 • PACKING  
1400-81310 • CHAMBER  
1400-81340 • HINGE  
1400-81350 • PIN  
1400-81361 • VALVE  
1400-81540 • O RING  
1403-81500 • COCK  
1400-81650 • SCREW  
1400-81660 • PACKING  
0260-10410 • SCREW  
1650-81710 • PIPE  
0260-10412 • SCREW  
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BC4302FW  
Q’TY  
/UNIT  
Key# PART NUMBER  
DESCRIPTION  
NOTE  
Fig.4 CARBURETOR [BC4302FW]  
1
2
3
4
5
6
7
8
9
4550-81000 CARBURETOR ASS'Y  
1650-81121 • CAP  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
BC4302FW  
1141-81120 • CAP  
1335-81060 • SPRING  
4550-81150 • VALVE  
T1012-81070 • RECEIVE  
T1012-81210 • NEEDLE  
1030-81001 • CLIP  
1620-81230 • JET NEEDLE  
10 T1012-81240 • JET  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
2751-81250 • SCREW  
1650-81260 • SPRING  
1335-81180 • FLOAT  
1400-81320 • PACKING  
1400-81310 • CHAMBER  
1400-81340 • HINGE  
1400-81350 • PIN  
1400-81361 • VALVE  
1400-81540 • O RING  
1403-81500 • COCK  
1400-81650 • SCREW  
1400-81660 • PACKING  
0260-10410 • SCREW  
4550-81710 • PIPE  
0260-10412 • SCREW  
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1-9 Minamidai, Kawagoe, Saitama, 350-1192 Japan  
PRINTED ON RECYCLED PAPER  
IMPRIMÉ SUR PAPIER RECYCLÉ  
GEDRUCKT AUF RECYCLING PAPIER  
STAMPATO SU CARTA RICICLATA  
IMPRESO EN PAPEL RECICLADO  
PRINTED IN JAPAN  
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