Troy-Bilt TB90BC Operator's Manual page 79

6
Item Part No. Description
1 791-00040 Throttle Housing Assembly (includes 2-4)
2 791-00041 Throttle Trigger Lock-Out
3 791-00042 Throttle Trigger
4 791-182690 Throttle Trigger Spring
5 791-182405 Switch Assembly (includes 6)
6 753-04405 Throttle Cable Assembly
7 791-610327 Harness Clip
8 753-04236 Upper Drive Shaft Housing Assembly
9 791-180286 J-Handle Assembly
10 791-683295 Handle Bracket Assembly (includes 13-16)
11 791-181811 Screw
12 791-181812 Upper Handle Clamp
13 791-181813 Middle Handle Clamp
14 791-181814 Lower Handle Clamp
15 791-181815 Nut
16 791-145569 Anti-Rotation Screw
17 791-181616 Split Boom Coupler (includes 18-21)
18 791-182057 Screw
19 791-181617 Bolt
20 791-181981 Adjustment Knob
21 753-04380 Knob Retaining Nut
22 791-180804 Lower Drive Shaft Housing Assembly
23 791-613300 Lower Flexible Drive Shaft
24 791-182200 Shield Mount Screw Assembly
25 791-182193 2 piece Gearbox Assembly (includes 26-35)
26 791-182195 Gearbox Mounting Hardware
27 791-145569 Anti-Rotation Screw
28 791-182191 Left Housing
29 791-182192 Right Housing
30 791-182195 Gear Box Screw
31 791-182194 Pinion Gear Assembly
32 791-182199 Output Shaft Bushing
33 791-182198 Output Shaft Gear
34 791-182197 Output Shaft Assembly (includes 33 & 34)
35 791-182196 Blade Driver
36 753-04348 Palnut
37 791-147492 Blade Shield/Shield Mount
38 791-683304 Shield Mounting Screw
39 791-683299 Shield Assembly (includes 41)
40 791-682061 Blade Assembly
41 791-147490 Retaining Washer
42 791-612483 Spool Shaft
43 791-683301 Outer Spool Assembly
44 791-612026 Retainer
45 791-610636 Spring
46 791-147495 Inner Reel
47 791-180814 Bump Head Knob Assembly
48 791-145873 4-Tooth Blade
49 791-181699 Nut
* 791-180014 Blade Retaining Kit (includes 45 & 50)
* 791-613226 Locking Rod Tool
* 791-682075 Shoulder Harness
5
1
2
3
Optional Accessories
*
*
*
*
PARTS LIST
BOOM AND TRIMMER PARTS - TB90BC
2 CYCLE TRIMMER / BRUSHCUTTER
1
11
8
12
4
7
13
14
15
16
21
791-180120 Replacement Line, 0.095 Diameter
791-147345 Reel and Line Assembly
791-147498 Bump Head Assembly
(includes 43-48)
Items Not Shown
31
26
9
27
29
10
36
18
19
20
17
22
23
38
40
26
39
27
40
48
41
49
32
33
30
28
34
35
25
24
25
37
24
41
42
43
44
45
46
47
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