848D3N93B1 (709)
eHT753S
eHT603D
HEDGE TRIMMERS
September 2007
NOTE :
1. Use ZENOAH genuine parts specified in the parts list for repair and/or replacement.
2. 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 :
eHT753S : 50300000 and up
eHT603D : 50300000 and up
PARTS LIST
Fig.1 DRIVE UNIT
eHT753S
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 848D3L6501 BLADE ASS’Y 1
2 848D3L66A0 • PLATE, upper 1
3 848D3L66B0 • PLATE, lower 1
4 848D3L65A0 • BLADE, lower 1
5 848D3L65B0 • BLADE, upper 1
6 848D3L66C0 • SPACER 9
7 848D3L66K0 • SPACER 4
8 848D3L66H0 • SCREW 4
9 01252-30520 • BOLT 3
10 01252-30525 • BOLT 2
11 848D3L66J0 • NUT 5
12 848D3L66D0 • PLATE 1
13 848D3L66E0 • BRACKET 1
14 848D3L68A0 • COVER 1
15 T4503-12115 PLATE 1
16 T4521-11330 BOLT 4
17 848D306112
GEARCASE COMP., upper
1
18 06004-06001 • BEARING 2
19 04065-02812 • RING 1
20 848D3061B0 • PLATE 1
21 T4543-42320 • BOLT 2
22 848D306121
GEARCASE COMP., botom
1
23 848D3061B0 • PLATE 1
24 T4543-42320 • BOLT 2
25 T4543-21220 GASKET 1
26 848D305111 DRUM 1
27 848D3062A0 GEAR, drive 1
28 T4543-42210 GEAR, driven 1
29 T4543-42100 ROD ASS’Y 2
31 3199-13350 FITTING 1
32 T4543-42410 FELT 1
33 8488451600 BOLT 6
34 01252-30625 BOLT 3
35 T4503-31101 HANDLE-R COMP. 1
36 T4503-31210 ABSORBER 4
37 T4503-31220 HOLDER 2
38 T4503-31230 CAP 2
39 T4503-32100 HANDLE-L COMP. 1
40 6420-14303 LEVER ASS’Y 1
41 T3040-14511 COLLER 1
42 T4503-83100 CABLE COMP. 1
43 6542-14510 TUBE 1
44 1565-72311 CLAMP 1
45 T4503-31210 ABSORBER 4
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
46 T4503-32220 PIPE 2
47 T4503-32230 WASHER 2
48 01252-30535 BOLT 2
49 848D3N90S0 LABEL 1
50 3320-91140 WRENCH 1
51 09007-00425 WRENCH 1
53 3540-91120 SPANNER 1
Fig.1 DRIVE UNIT
eHT753S
Fig.2 DRIVE UNIT
eHT603D
Fig.2 DRIVE UNIT
eHT603D
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 848D4F6500 BLADE ASS’Y 1
2 848D4F66AC • PLATE, upper 1
3 848D4F66B0 • PLATE, lower 1
4 848D4F65A0 • BLADE 2
5 848D3L66C0 • SPACER 5
6 848D3L66K0 • SPACER 3
7 848D3L66H0 • SCREW 5
8 01252-30520 • BOLT 1
9 01252-30525 • BOLT 2
10 848D3L66J0 • NUT 6
11 848D3L66D0 • PLATE 1
12 848D3L66E0 • BRACKET 1
13 848D4F68A0 • COVER 1
14 848D306112
GEARCASE COMP., upper
1
15 06004-06001 • BEARING 2
16 04065-02812 • RING 1
17 848D3061B0 • PLATE 1
18 T4543-42320 • BOLT 2
19 848D306121
GEARCASE COMP., botom
1
20 848D3061B0 • PLATE 1
21 T4543-42320 • BOLT 2
22 T4543-21220 GASKET 1
23 848D305111 DRUM 1
24 848D3062A0 GEAR, drive 1
25 T4543-42210 GEAR, driven 1
26 T4543-42100 ROD ASS’Y 2
28 3199-13350 FITTING 1
29 T4543-42410 FELT 1
30 3310-31720 BOLT 4
31 01252-30625 BOLT 3
32 848D3115E2 PIPE, exhaust 1
33 01252-30510 BOLT 1
34 8488451600 BOLT 6
35 T4506-31002 HANDLE REAR ASS’Y 1
36 T4506-31210 • LEVER, throttle 1
37 T4506-31310 • ARM 1
38 T4506-31412 • LEVER, lock 1
39 T4506-31420 • KNOB 1
40 T4506-31430 • SPRING 1
41 T4506-51110 • CABLE COMP. 1
42 T4506-52110 • SWITCH 1
43 T4506-52120 • CODE COMP. 1
44 3356-33321 • SPRING, throttle 1
45 2630-31950 • SCREW 5
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
46 2630-33610 • SCREW 1
47 T4506-31511 STOPPER 1
48 T4506-32110 HANDLE FRONT 1
49 848D4535A0 FRAME 1
50 T4506-41220 HOLDER 2
51 T4544-41310 SPRING, front 2
52 T4506-41320 SPRING, rear 2
53 2630-32610 SCREW 2
54 848D4J90S1 LABEL, caution 1
55 T4535-12250 LABEL 1
56 3320-91140 WRENCH 1
57 09007-00425 WRENCH 1
59 3540-91120 SPANNER 1
Fig.3 ENGINE (1)
eHT753S/eHT603D
Fig.3 ENGINE (1)
eHT753S/eHT603D
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 T1600-12110 CYLINDER 1
2 848E0A12B0 GASKET 1
3 1850-12130 BOLT 2
4 848E022111 CRANKCASE COMP. 1
5 2629-21130 • PIN 3
6 T1600-21140 GASKET, case 1
7 T1600-21240 BEARING 2
8 T1600-21210 SEAL 1
9 T1600-21220 SEAL 1
10 04065-02612 RING 1
11 01252-30520 BOLT 3
12 848E004201 CRANKSHAFT COMP. 1
13 5600-41111 PISTON 1
14 1100-41210 RING 2
15 1101-41310 PIN 1
16 1260-41320 RING 2
17 5500-41410 BEARING 1
18 1101-41340 WASHER 2
19 T1600-15110 MUFFLER 1
20 01252-30550 BOLT 2
21 848E0215C2 GASKET 1
22 848E021403 INSULATOR COMP. 1
23 0282-10604 • NUT 1
24 T1600-13170 • ADJUST SCREW 1
25 5500-13121 GASKET 1
26 5500-85510 SCREW 2
27 848E0071A0 ROTOR 1
28 848E0A7123 COIL ASS'Y 1
29 T1600-72110 • CAP 1
30 T1600-72120 • SPRING 1
31 3350-14150 BOLT 2
32 1260-71261 SPACER 2
33 T1600-73200 CORD COMP. 1
34 2750-32620 NUT 1
35 T1650-72140 CAP 1
36
3699-90419-10 SPARKPLUG (Champion)
1 RCJ-6Y
37 848EA051D0 SHOE 2
38 T1700-51220 SPRING 1
39 1140-51230 WASHER 2
40 1970-51241 WASHER 2
41 1140-51250 SCREW 2
42 848E0051A1 PLATE, clutch 1
43 848E0051B0 PLATE 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Fig.4 ENGINE (2)
eHT753S/eHT603D
Fig.4 ENGINE (2)
eHT753S/eHT603D
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 T1650-31111 COVER, front 1
2 848E0031A0 COVER, rear 1
3 3350-15250 BOLT 4
4 848E0231P2 COVER, muffler 1
5 T1650-31410 SCREW 3
6 1850-32160 SCREW 1
7 5500-13131 GASKET 1
8 848E0A8102 CARBURETOR-ASS'Y 1 WYL-190
9 T1650-75100 RECOIL ASS'Y 1
10 T1650-31410 SCREW 4
11 848E027521 PULLEY ASS'Y 1
12 1850-75220 • RATCHET 2
13 T1650-75230 • SPRING 2
14 1034-72180 • E-RING 2
15 01252-30612 BOLT 2
16 848E0A8503 TANK ASS'Y 1
17 5607-85201 • CAP ASS'Y 1
18 5601-85300 • • HOLDER ASS'Y 1
19 5500-85220 • • PACKING 1
20 5601-85260 • • FILTER 1
21 4820-85260 • • STOPPER 1
22 5500-85300 • PIPE COMP. 1
23 5500-85400 • FILTER 1
24 1260-85460 • CLIP 1
25 1600-86120 SCREW 1
26 1400-86271 CUSHION 1
27 T1650-85521 ABSORBER 2
28 1950-86120 CLIP 1
29a 848D3N90B0 LABEL, name 1 eHT753S
29b 848D4J90B0 LABEL, name 1 eHT603D
30 848E0090G1 LABEL, caution 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
Fig.5 RECOIL STARTER Fig.6 AIR CLEANER
eHT753S/eHT603D
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 T1650-75100 RECOIL ASS'Y 1
2 T1600-75130 • SPRING, spiral 1
3 1850-75120 • REEL 1
4 1850-75151 • SCREW 1
5 T1600-75160 • ROPE 1
6 T1600-75310 • KNOB 1
7 T1600-75321 • COLLAR 1
8 T1600-75330 • SPRING 1
9 T1600-75210 • WASHER 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 848E008300 AIR CLEANER ASS'Y 1
2 1918-82110 • COVER 1
3 2332-82120 • FILTER 2
4 848E0083G0 • FILTER 1
5 1918-82130 • HOUSING 1
6 1918-82140 • PLATE 1
7 1750-82070 • LEVER 1
8 1918-82160 • WASHER 1
9 1918-82170 • SLEEVE 2
10 1918-82180 • SCREEN 1
11 0263-90560 SCREW 2
12 5630-91170 LABEL 1
13 5630-91180 LABEL 1
14 3330-14121 GASKET 1
eHT753S/eHT603D
Fig.7 CARBURETOR
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
1 848E0A8102 CARBURETOR-ASS'Y 1 WYL-190
2 1794-81450 • BODY ASS'Y 1
3 3306-81380 • • SCREEN 1
4 3356-81310 • • VALVE 1
5 1794-81270 • • SPRING 1
6 1850-81220 • • SCREW 1
7 3310-81250 • • PIN 1
8 3310-81230 • • LEVER 1
9 1850-81490 • BODY 1
10 1850-81520 • COVER 1
11 1751-81510 • PUMP 1
12 3310-81260 • DIAPHRAGM 1
13 1850-81470 • GASKET 1
14 5502-81250 • JET #39 1
15 1751-81130 • RING 1
16 1881-81140 • SWIVEL 1
17 T1659-81150 • VALVE 1
18 1751-81240 • O-RING 1
19 1065-81410 • GASKET 1
Q’TY
Key# PART NUMBER DESCRIPTION NOTE
/UNIT
20 1065-81420 • DIAPHRAGM 1
21 5850-81110 • SCREW 2
22 1850-81530 • SCREW 4
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