5551-93120
POWER SPRAYER
RS5B
NOTE :
1. Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and/or replacement.
2. KOMATSU ZENOAH does not warrant the machines, which have been damaged by the use of any
parts other than those specified by the company.
3. When placing parts orders for repair and/or replacement, check if the model name and the serial
number are applicable to those specified in the parts list, then use parts number described in the
parts list.
4. The contents described in the parts list are accurate as of July 1997 and may change due to
improvement.
5. The parts for the machine shall be supplied 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. It is also possible that some
parts may be available even after the limit of ten (10) years.]
APPLICABLE SERIAL NUMBERS : 600001 and up
September 1997
RS5B
Fig.1 FRAME and TANK GROUP
Q'TY
Q'TY
Key# PART NUMBER
DESCRIPTION
2463-21110 FRAME,flont
2463-21120 FRAME,base
NOTE
Key# PART NUMBER
DESCRIPTION
2463-25430 HOSE
2463-25440 CLIP
NOTE
/UNIT
1
1
2
2
1
1
2
2
2
2
1
1
1
1
1
1
1
2
6
6
6
1
3
3
2
2
3
3
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
2
2
1
2
/UNIT
1
2
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
1
2
1
1
2
4
2
1
1
1
1
1
1
1
1
3
2463-21130 SCREW
2463-21140 DUMPER,sponge
2463-21150 SCREW
2463-21210 BRACKET
0225-00616 BOLT
2463-25500 HARNESS ASSY
2463-25610 BRACKET
2463-25620 SCREW
01602-20619 WASHER
2461-25630 SCREW
2463-25640 BAND
4
5
6
7
8
01602-20619 WASHER
0280-10605 NUT
9
2463-25650 SCREW
2461-25680 WASHER
2463-25660 BAND
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
01641-20608 WASHER
5542-82200 THROTTLE LEVER
5580-83100 CABLE
2463-25670 SCREW
2464-25710 LABEL
2464-25720 LABEL
2463-25740 LABEL
2463-21220 STOPPER
2463-21230 COLLAR
2463-21240 WASHER
2463-21310 SWITCH
2463-21320 NUT
2461-21520 DUMPER
2461-21530 NUT
2461-21540 WASHER
2461-21550 WASHER
2461-21510 BASE
2461-21560 COLLAR
2461-21570 WASHER
2463-21410 SCREW
2463-21420 WASHER
2461-21430 SCREW
2463-21440 NUT
2463-21610 COVER,frame
2463-21620 SCREW
2463-21560 BASE,engne
2461-21720 DUMPER
5542-73200 CORD COMP
2463-21570 BOLT
2463-25000 TANK ASSY
2463-25110 • TANK
2463-25200 • CAP ASSY
2463-25210 • • CAP
2463-25220 • • PACKING
2463-25230 • • BREATHER
2463-25240 • • STRAINER
2463-25250 • • PACKING
2463-25260 • • CAP,drain
2463-25270 • • PACKING
2463-25900 PLATE ASSY
2463-25910 • PLATE,side
2463-25920 • PLATE,center
2463-25930 • BOLT
2463-25940 • NUT
2462-25310 PAD
2461-25320 SCREW
2461-25330 WASHER
2461-25340 SCREW
2461-25350 WASHER
2461-25410 HOSE,intake
2463-25420 CLIP
RS5B
Fig.2 PUMP and NOZZLE GROUP
RS5B
Fig.2 PUMP and NOZZLE GROUP
Q'TY
Q'TY
/UNIT
Key# PART NUMBER
DESCRIPTION
2461-11110 SHAFT
2461-12220 IMPELLER
NOTE
Key# PART NUMBER
DESCRIPTION
NOTE
/UNIT
1
2
1
1
3
2461-11120 KEY
1
4
2461-11210 CASE,clutch
2461-12310 PIPE
1
5
1
6
2461-11220 CLIP
1
7
2461-11230 PROTECTOR
2461-12110 PUMP BODY
2461-12120 COVER
2461-11130 SCREW
2461-12210 O-RING
2461-12230 CLIP
1
8
1
9
1
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
4
1
1
2461-12240 COLLAR
2461-12250 SEAL
1
1
2461-12260 SCREW
2461-12270 SCREW
2461-12280 WASHER
2461-12310 PIPE
7
1
1
1
2461-12320 NUT
2
2461-12330 O-RING
2461-12340 SOCKET
2461-12350 PACKING
2461-12360 SOCKET
2461-12350 PACKING
2461-12370 CAP
2
1
1
1
1
1
2463-12650 PACKING
2463-25800 NOZZLE
2463-25850 COCK
2463-25860 PIPE
1
1
1
1
2463-25870 HOSE
2463-25880 PACKING
2463-25890 PACKING
1
2
3
RS5B
Fig.3 ENGINE GROUP
RS5B
Fig.3 ENGINE GROUP
Q'TY
Q'TY
Key# PART NUMBER
DESCRIPTION
NOTE
Key# PART NUMBER
1850-75160 • ROPE
1140-75320 • KNOB
DESCRIPTION
NOTE
/UNIT
/UNIT
1
2
5521-12110 CYLINDER
1
1
2
1
2
1
1
1
1
1
1
2
1
2
1
1
1
1
1
2
1
1
1
4
1
1
2
1
2
1
2
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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
1
1
1
1
1
1
4
1
2
1
2
1
1
1
1
1
1
1
1
4
1
1
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
5500-12211 GASKET,base
1850-12130 BOLT
3
5500-75170 PLATE
4
1980-14001 DECOMPVALVE ASSY
1980-14320 • DISK
1850-75201 PULLY ASSY
1850-75221 • RATCHET
1850-75230 • SPRING
5
6
1980-14321 • SPRING
7
1980-14610 WASHER
0263-90416 SCREW M4x16
5500-81002 CARBURETOR ASSY
0263-90560 SCREW M5x60
5500-82101 BODY ASSY
1970-82190 • SLEEVE
8
5521-14620 SCREW
9
5500-13162 INSULATOR
5500-13120 GASKET,insulator
5500-13130 GASKET,carburetor
0263-90520 SCREW M5x20
5580-15110 MUFFLER
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
37
36
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
5500-82131 • PLATE,choke
5500-82140 • LEVER,choke
2630-33610 • SCREW ø4 CR
5500-82171 ELEMENT,filter
5600-82201 COVER ASSY
5500-82221 • KNOB
01252-30550 BOLT M5x50
5500-15210 GASKET,muffler
5500-15220 PLATE,muffler
0263-90416 SCREW M4x16
5500-21100 CRANKCASE COMP
5500-21140 GASKET,case
06030-06001 BEARING 12x28x8
2169-21210 OIL SEAL 12x22x7
1850-21220 OIL SEAL 12x28x7
04065-02812 SNAP RING ø28
01252-30530 BOLT M5x30
0263-90514 SCREW M5x14
5600-41111 PISTON ø32
1100-41210 RING ø32
5500-82230 • RING
5501-31111 COVER,fan
0263-90520 SCREW M5x20
5580-32111 COVER,engine
1850-32160 SCREW M4x12
1900-31410 SCREW ø4 CR
5500-32210 GUARD,plug
0263-90514 SCREW M5x14
5580-83100 CABLE COMP
5911-85000 TANK ASSY
5500-85201 • CAP ASSY
5500-85220 • • GASKET
5500-85601 • BREATHER ASSY
1950-86120 • • CLIP
1101-41310 PIN ø8
1260-41320 SNAP RING
1140-41330 BEARING 8x11x9
1101-41340 THRUST WASHER
5500-42001 CRANKSHAFT COMP
1650-43230 NUT M8
5911-85300 • PIPE COMP
5500-85400 • FILTER ASSY
1260-85460 • CLIP
1000-43240 KEY
1140-51111 SHOE,clutch
1140-51250 SCREW,clutch
1970-51221 SPRING,clutch
1140-51230 WASHER,flat
1970-51241 WASHER,wave
5500-71110 ROTOR
1950-86120 CLIP
5500-85510 SCREW M5x16
1140-72231 CLAMP
5551-91120 LABEL,recoil
5500-71200 COIL ASSY
5500-71220 • CORD
2616-71320 • CAP,cord
5933-73110 SPARKPLUG
1900-72111 CAP PLUG
1900-72120 SPRING
BPMR7A
5500-72130 GROMMET
5500-72150 SPACER
3310-72150 BOLT M4x25
1852-72120 GROMMET
5601-73200 CORD COMP
1140-72231 CLAMP
5500-75100 RECOIL ASSY
1850-75120 • REEL
1850-75130 • SPRING,spiral
1850-75151 • SCREW
RS5B
Fig.4 CARBURETOR GROUP
Fig.5 TOOL
RS5B
Fig.4 CARBURETOR GROUP
Q'TY
Q'TY
/UNIT
Key# PART NUMBER
DESCRIPTION
NOTE
Key# PART NUMBER
DESCRIPTION
NOTE
/UNIT
1
2
5500-81002 CARBURETOR ASSY
1752-81110 • SCREW
1
WYJ-81C
2
3
5500-81120 • BRACKET
1751-81130 • E-RING
1
4
1
5
1881-81140 • SWIVEL
1
6
5500-81153 • VALVE ASSY
1918-81170 • SCREW,adjust
1751-81180 • NUT
1
7
1
8
1
9
1881-81130 • RING
1
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
1751-81240 • O-RING
1
5500-81251 • JET
1
3310-81260 • DIAPHRAGM
1065-81410 • GASKET,pump
1065-81420 • DIAPHRAGM,pump
1850-81450 • BODY ASSY
3306-81380 • • SCREEN
3356-81310 • • VALVE,inlet
1850-81270 • • SPRING
1850-81220 • • SCREW
3310-81250 • • PIN
1
1
1
1
1
1
1
1
1
3310-81230 • • LEVER
1850-81470 • GASKET
1850-81490 • BODY,air purge
1751-81510 • PUMP,priming
1850-81520 • COVER,pump
1850-81530 • SCREW
1
1
1
1
1
4
5500-81160 • WASHER
1
Fig.5 TOOL
Key# PART NUMBER
Q'TY
/UNIT
Q'TY
/UNIT
DESCRIPTION
NOTE
Key# PART NUMBER
DESCRIPTION
NOTE
1
2
1110-91320 SOCKET
3582-91330 BAR
1
1
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