MTD TB21 EC Manual
Item Part No. Description
19 791-181930 Tank Screw
20 753-05057 Fuel Cap
21 791-182366 U-Shaped Nut
22 753-05877 Lead Wires
23 753-06251 Throttle Cable
24 753-05420 Module Assembly
25 753-06252 Cylinder Gasket
26 753-05703 Cylinder Bolt
27 753-06193 Spark Plug
28 753-06189 Insulator Assembly (includes 28 & 29)
29 753-06184 Insulator O-Ring
30 753-06185 Carburetor O-Ring
31 753-06190 Carburetor
32 753-06253 Carburetor Gasket
33 753-06191 Aircleaner Assembly (includes 34)
34 753-06085 Aircleaner Filter
* 753-06254 Short Block Assembly
(includes Crankcase, Cylinder, Piston, 8-10 & 24-27)
* Items Not Shown
3
1
4
26 27
30
31
29
12
32
20
19
17
14
13
34
18
25
8
Item Part No. Description
1 753-06243 Rear Cover Assembly (includes 2)
2 791-181862 Starter Screw
3 753-06244 Starter Assembly Guard (includes 2)
4 753-06245 Rear Engine Cover (includes 5)
5 791-181345 Cover Screw
6 753-06104 Adapter
7 753-06091 Pawl Assembly
8 753-06246 Flywheel Assembly
9 753-06247 Washer
10 753-06248 Spacer
11 753-05860 Clutch Assembly
12 753-06249 Clutch Cover Assembly (includes 2, 13-15 & 21)
13 791-182519 Anti-Rotation Screw
14 753-04003 Clamp Screw
15 791-180217 Clamp Nut
16 753-06182 Muffler Assembly
17 753-04619 Muffler Gasket
18 753-06250 Fuel Tank Assembly (includes 19 & 20)
23
7
15
24
16
9
21
2
2
6
11
28
33
REPLACEMENT PARTS - MODEL TB21 EC
2-CYCLE GAS TRIMMER
PPN 41ADT21C966
PARTS LIST PART NO. 769-05256 P00 10/09
5
10
22
Item Part No. Description
1 753-04234 Throttle Housing Assembly (includes 2-4)
2 791-182405 Switch
3 753-04119 Throttle Trigger
4 791-182690 Throttle Trigger Spring
5 753-04344 Upper Shaft Housing Assembly
6 753-05461 D-Handle (includes 6)
7 791-181587 D-Handle Hardware Assembly
8 753-1190 Split Boom Coupler (includes 9-12)
9 791-182057 Anti-Rotation Screw
10 791-181617 Bolt
11 791-181951 Adjustment Knob
12 753-04386 Knob Retainer Nut
13 753-04508 Lower Shaft Housing Assembly
14 753-04282 Shield Mounting Hardware
15 753-04283 Shield Assembly (includes 16)
16 791-180553 Blade Assembly
17 753-04284 Outer Spool Assembly (includes 18)
18 791-610660 Retainer
19 791-610317B Spring
20 753-1155 Inner Reel
21 791-153066B Bump Head Knob Assembly
* 753-1156 Reel & Line Assembly
* 753-05778 Fixed Line Insert
* 791-180920 .095 Replacement Line
* Items Not Shown
1
1
4
2
13
77
15
14
16
17
19
20
21
3
6
14
REPLACEMENT PARTS - MODEL TB21 EC
2-CYCLE GAS TRIMMER
PPN 41ADT21C966
Issued 10/09
5
16
18
9
10
11
12 8
Other MTD Trimmer manuals
MTD
MTD T990 User manual
MTD
MTD 790 AST Prime & Pull User manual
MTD
MTD bosmaaier 1000w User manual
MTD
MTD Yard Machines LT31S User manual
MTD
MTD ET 1000 User manual
MTD
MTD BL110 User manual
MTD
MTD TrimmerPlus SS725r User manual
MTD
MTD H12 Specification sheet
MTD
MTD BT1045/1 User manual
MTD
MTD Yard Machines LT31CS User manual
MTD
MTD GT40 User manual
MTD
MTD RM3017HP Manual
MTD
MTD 790 TB-TrimmerBlower User manual
MTD
MTD TrimmerPlus AH720 User manual
MTD
MTD Yard Machines Y765 User manual
MTD
MTD 800 Series User manual
MTD
MTD TrimmerPlus BT720r User manual
MTD
MTD TrimmerPlus SS725r User manual
MTD
MTD Series 200 User manual
MTD
MTD Yard Machines MTD25P User manual
