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
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
BC3402FW/BC4302FW
Fig.2 ENGINE GROUP
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
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
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
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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