MTD TB490BC Benutzerhandbuch

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ENGINE PARTS - MODEL TB490BC
4-CYCLE GAS TRIMMER
(ppn - 41ADT49C063) (Serial Number 011...... and greater)     
Reissued 12/01
Item
Part No.
Description
47
791-181247
Palnut
48
753-1199
Recoil Pulley
49
791-613102
Recoil Spring
50
791-182366
Nut Clip
51
791-181079
Pull Handle
52
791-611061
Rope Guide
53
791-613103
Rope
54
791-181020
Starter Housing Screw
55
753-1237
Starter Housing Assembly 
(includes 49-56)
56
791-182368
Clutch Washer
57
753-1238
Clutch with Spacer
58
791-153592
Clutch Drum
59
753-1239
Clutch Cover
60
791-145569
Anti-Rotation Screw
61
753-1240
Screw
62
753-1241
Nut
63
791-181345
Clutch Cover Screw
64
791-182725
Ignition Module with Screws
65
791-181065
Spacer
66
791-181867
Flywheel
67
791-182743
Shroud Assembly with Screws 
68
753-1244
Crankcase Assembly 
(includes 69-73)
69
791-610309
Oil Seal
70
791-182372
Bearing
71
791-182380
Crankshaft
72
791-182375
90° Elbow
73
791-182379
Breather Hose
74
791-181015
Cam Gear
75
753-1242
Cam Follower Set
76
791-181013
Cam Bracket
77
791-181012
Cam Bracket Screw
78
791-181040
Valves, Intake and Exhaust
79
791-182374
Cylinder Gasket
80
791-181018
Oil Pan Gasket
81
791-182377
Oil Pan (includes 80 & 82)
82
791-181020
Oil Pan Screw
83
791-182378
Dipstick Assembly (includes 84)
84
791-182290
O-Ring
85
791-181009
Connecting Rod
86
791-181008
Wrist Pin Button
87
753-1243
Piston
88
791-181006
Wrist Pin
89
791-182295
Piston Ring Set
90
791-182409
Washer
91
791-181861
Screw
92
791-612468
Compression Spring
93
791-182537
Grommet
*
791-180852B
Spark Plug
*
753-1245
Short Block Assembly 
(includes 3-7, 68-89)
*
791-182745
Cylinder Assembly 
(includes 9, 12, 14 & 79)
*
791-180142
Starter Pawl Repair Kit
*
791-182156
Carburetor Repair Kit
*
753-1248
Gasket Diaphragm Repair Kit
*
Parts not shown
Item
Part No.
Description
1
791-182338
Engine Cover
2
791-182339
Engine Cover Screws
3
791-181025
Valve Cover Screw
4
791-182098
Valve Cover
5
791-182099
Valve Cover Gasket
6
791-182340
Rocker Adjustment Nut
7
791-182101
Rocker Arm Pivot
8
791-182100
Rocker Arm
9
791-182341
Rocker Arm Stud
10
791-182103
Valve Spring Retainer
11
791-181038
Valve Spring
12
791-182102
Push Rod Guide
13
791-181033
Push Rod
14
791-182700
Cylinder Head (includes 9 & 12)
15
791-182344
Cylinder Screw
16
791-182345
Intake Baffle
17
791-182749
Carburetor Mount Gasket
18
791-181034
Nut
19
791-182347
Carburetor Mount (includes 18)
20
791-182348
Carburetor Mount Screw
21
791-182732
Carburetor Gasket 
22A
791-182654
Carburetor with Primer
22B
753-1225
Carburetor with Primer
23
791-181751
O-Ring, Carburetor 
24
753-1227
Air Filter/Choke Cover Assembly 
(includes 27 & 28)
25
791-182097
Breather Tube
26
791-181750
Air Filter Mounting Screw
27
791-181757
Air Filter
28
753-1228
Air Filter Cover
29
753-1229
Fuel Cap
30
791-182352
Fuel Return Line
31
791-182353
Fuel Pick-Up Line with Filter
32
791-181080
Screw
33
791-182354
Washer
34
753-1230
Fuel Tank Assembly (includes 29-31)
35
791-182356
Fuel Tank Shield
36A
753-1234
Throttle Cable
36B
753-1231
Throttle Cable
37
791-182358
Muffler Baffle
38
791-181048
Muffler Gasket
39
791-182359
Muffler (includes 40, 42-44)
40
791-180890
Spark Arrestor Screen
41
791-181045
Screen Cover
42
791-181046
Screw
43
791-182360
Muffler Shield
44
791-182361
Muffler Mounting Screw
45
791-182362
Muffler Cover
46
791-182804
Switch Wire Assembly