MTD TB90BC User Manual
Page 2
25
26
26
30
27
27
28
32
33
38
36
37
42
35
31
34
34
40
39
35
41
43
1
1
6
15
16
17
18
14
13
11
10
9
12
8
7
2
3
4
5
29
21
20
19
22
23
24
Issued 9/01
BOOM AND TRIMMER PARTS - MODEL TB90BC
2-CYCLE GAS TRIMMER/BRUSHCUTTER
PPN 41ADT90C063
Item
Part No.
Description
1
182801
Throttle Housing and Trigger
Assembly (includes 2-4)
2
182802
Throttle Trigger Lock-Out
3
182803
Throttle Trigger
4
182690
Throttle Trigger Spring
5
182539
Switch Assembly (includes 6)
6
182357
Throttle Cable Assembly
7
610327
Harness Clip
8
182309
Upper Drive Shaft Housing Assembly
9
181099
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
181616
Click-Link Coupler (includes 20-23)
20
182057
Screw
21
181617
Bolt
22
181618
Adjustment Knob
23
181886
Knob Retaining Nut
24
180804
Lower Drive Shaft Housing Assembly
25
613300
Lower Flexible Drive Shaft
26
182200
Shield Mount Screw Assembly
27
182193
2 piece Gearbox Assembly (includes 28-30)
28
182195
Gearbox Mounting Hardware
29
145569
Anti-Rotation Screw
30
182196
Blade Driver
31
147492
Blade Shield/Shield Mount
32
683304
Shield Mounting Screw
33
683299
Shield and Blade Assembly (includes 34)
34
682061
Blade Assembly
35
147490
Retaining Washer
36
612483
Spool Shaft
37
683301
Outer Spool and Eyelet Assembly
38
612026
Retainer
39
610636
Spring
40
147495
Inner Reel
41
180814
Bump Head Knob Assembly
42
145873
4-Tooth Blade
43
181699
Nut
*
180014
Blade Retaining Kit (includes 35 & 43)
*
613226
Locking Rod Tool
*
682075
Shoulder Harness
2 Piece Gearbox Assembly Parts – Item 27
44
182191
Left Housing
45
182192
Right Housing
46
182194
Pinion Gear Assembly
47
182199
Output Shaft Bushing
48
182198
Output Shaft Gear
49
182197
Output Shaft Assembly (includes 46 & 47)
Optional Accessories
*
180120
Replacement Line,
0.095 Diameter
*
147345
Reel and Line Assembly
*
147498
Bump Head Assembly
(includes 36-41)
*
147543
Ryobi 2-Cycle Oil
*
Items Not Shown
47
48
44
28
45
30
29
28
46
49