MTD TB21 EC Manual

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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