Troy-Bilt TB4000 User Manual
©2000 MTD SOUTHWEST INC
Models / Modèles / Modelos
TB4000 –
26cc Straight Shaft
TB4000 – 26 cc, arbre droit
TB4000 – Eje recto de 26cc
FORM 182826 (1/01) (10322 rev. A)
Printed in U.S.A.
Parts Manual
Manuel des pièces
Manual de piezas
4-Cycle Trimmer/
Brush Cutter
Désherbeuse /
débroussailleuse à 4-temps
Recortador/ Cortador de
malezas de 4 ciclos
2
ENGINE PARTS - TROY-BILT MODEL TB4000
97
3
2
1
98
4
5
9
8
9
8
32
7
6
31
36
38
37
12
11
10
50
52
51
13
14
35
34
33
15
44
43
42
40
100
101
39
16
19
17
49
48
46
45
47
18
25
24
56
55
53
21
22
23
21
29
54
30
28
27
26
41
79
78
87
83
82
80
76
89
88
91
90
84
92
74
93
85
86
94
73
95
96
67
69
68
70
72
65
66
63
62
60
59
58
99
57
61
71
77
81
64
Part Numbers On Following Page
20
75
3
ENGINE PARTS - TROY-BILT MODEL TB4000
Item Part No. Description
1 181025 Valve Cover Screw
2 182098 Valve Cover
3 182099 Valve Cover Gasket
4 182340 Rocker Adjustment Nut
5 182101 Rocker Arm Pivot
6 182100 Rocker Arm
7 181033 Push Rod
8 181034 Hex Nut
9 181035 Washer
10 182102 Push Rod Guide
11 182103 Valve Spring Retainer
12 181038 Valve Spring
13 182306 Cylinder Head with Valve Seal (includes 10-14)
14 181040 Valve
15 181000 O-Ring
16 181001 Cylinder Head Gasket
17 182132 Cylinder
18 181003 Screw (M5 x 18.7mm)
19 181004 Cylinder Gasket
20 182295 Piston Ring Set (3 Piece Oil Ring)
21 181008 Wrist Pin Button
22 181006 Wrist Pin
23 182300 Piston (3 Piece Oil Ring)
24 181010 Cylinder Stud (83.5mm)
25 181011 Cylinder Stud (115.5mm)
26 181012 Cam Bracket Screw
27 181013 Cam Bracket
28 182123 Cam Follower (Chromed)
29 182124 Cam Gear
30 182125 Cam Bracket Assembly (includes 26-29)
31 180852 Spark Plug
32 182105 Muffler Mounting Screw
33 182106 Muffler
34 181020 Screw
35 182107 Muffler Gasket
36 182108 Module
37 181066 Screw
38 611063 Ground Tab
39 182131 Insulator Gasket
40 182109 Insulator
41 182270 Carburetor Gasket
42 182110 Carburetor
43 181751 O-Ring, Carburetor
44 182096 Breather Hose
45 182111 Air Cleaner Assembly
46 182097 Breather assembly
47 182133 Screw
48 182116 Air Filter
49 182115 Air Cleaner Cover
50 182105 Screw
51 182589 Throttle Cable Bracket
52 181054 Primer and Line Assembly
53 182113 Flywheel
54 181731 Spacer
55 182074 Clutch Washer
56 181730 Clutch
57 180232 Clutch Drum
Item Part No. Description
58 182829 Front Housing
59 181764 Screw
60 181761 Nut
61 181760 Engine Bolt
62 181003 Screw
63 182188 Anti-Rotation Screw
64 182127 Oil Seal
65 182128 Snap Ring
66 182134 Bearing
67 182375 90° Elbow
68 182593 Crankcase (includes 69, 72 & 73)
69 182136 Crankcase Gasket
70 182139 Crankshaft
71 182126 Lead Wire
72 182138 Bearing
73 182147 Screw
74 181021 O-Ring
75 182289 Oil Cap Dipstick (includes 74)
76 182142 Oil Seal
77 182187 Pulley with Nut
78 181747 Retaining Ring
79 181746 Spring
80 181745 Ratchet
81 182118 Pulley Assembly (includes 77-80)
82 181740 Screw
83 181741 Washer
84 181738 Recoil Pully
85 181742 Rope
86 181079 Pull Handle
87 181739 Recoil Spring
88 182120 Recoil Case (includes 89 & 90)
89 182121 Square Nut
90 182122 Rope Guide
91 182143 Screw
92 182117 Recoil Case Assembly (includes 82-91)
93 181083 Fuel Cap
94 182130 Fuel Tank
95 182830 Screw with Washer
96 182129 Fuel Line Assembly
97 182831 Engine Cover
98 182146 Screw
99 182157 Wire Grommet
100 182159 Nut
101 182293 Spark Plug Cover
* 182595 Crankcase Assembly (includes 24, 25 & 64-76)
* 182594 Short Block Assembly (includes 1-30, & 64-76)
* 182307 Valve Stem Seal
* 182153 Spark Arrestor Screen
* 182156 AC-10 Carburetor Repair Kit
* Parts not shown
4
BOOM AND TRIMMER PARTS - TROY-BILT MODEL TB4000
20
21
19
27
28
33
31
32
37
30
26
22
21
25
29
29
35
34
38
30
15
16
17
18
14
13
11
10
9
12
24
23
22
42
43
39
23
40
25
24
23
41
44
5
2
1
5
6
7
8
4
3
36
Item Part No. Description
1 180866 Grip
2 181688 Throttle Cable Assembly
3 180975 Throttle Trigger
4 610314 Throttle Trigger Spring
5 181689 Throttle Trigger Assembly (includes 3 & 4)
6 180252 Switch Assembly
7 181690 Wire Lead Assembly
8 610327 Shoulder Harness Clamp
9 182832 J-Handle Assembly (includes 10 & 11)
10 612831 Grip
11 612021 Tube Closure
12 683295 Handle Bracket Assembly (includes 13-18)
13 181811 Screw
14 181812 Upper Handle Clamp
15 181813 Middle Handle Clamp
16 181814 Lower Handle Clamp
17 181815 Nut
18 145569 Anti-Rotation Screw
19 181691 Drive Shaft Housing Assembly
20 182833 Flexible Drive Shaft
21 182200 Shield Mount Screw Assembly
22 182193 2 piece Gearbox Assembly (includes 23-25)
23 182195 Gearbox Mounting Hardware
24 182519 Anti-Rotation Screw
25 182196 Blade Driver
26 147492 Blade Shield/Shield Mount
27 683304 Shield Mounting Screw
28 182189 Shield and Blade Assembly (includes 29)
29 682061 Blade Assembly
30 147490 Retaining Washer
31 612483 Spool Shaft
32 683301 Outer Spool and Eyelet Assembly (includes 33)
33 612026 Retainer
34 610636 Spring
35 147495 Inner Reel
36 180814 Bump Head Knob Assembly
37 49M5873L063 4-Tooth Blade
38 181699 Nut
* 613226 Locking Rod Tool
* 682075 Shoulder Harness
2
Piece Gearbox
Assembly Parts – Item 22
39 182191 Left Housing
40 182192 Right Housing
41 182194 Pinion Gear Assembly
42 182199 Output Shaft Bushing
43 182198 Output Shaft Gear
44 182197 Output Shaft Assembly
(includes 42 & 43)
Optional Accessories
* 49U1341L063 Replacement Line,
0.095 Diameter
* 49U5001L063 Reel and Line Assembly
* 41AM079G063 Brush Cutter Accessory Kit
* 147498 Bump Head Assembly
(includes 31-36)
* 180014 Blade Retaining Kit
(items 30 & 38)
* Items Not Shown
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