MTD TB490BC Benutzerhandbuch

Reissued 12/01

BOOM AND TRIMMER PARTS - MODEL TB490BC

4-CYCLE GAS TRIMMER

(ppn - 41ADT49C063) (Serial Number 011...... and greater)

Item

Part No.

Description

1

791-00040

Throttle Housing and Trigger
Assembly (includes 2-4)

2

791-00041

Throttle Trigger Lock-Out

3

791-00042

Throttle Trigger

4

791-182690

Throttle Trigger Spring

5

791-182673

Switch Assembly

6

791-610327

Harness Clip

7

753-1247

Upper Drive Shaft Housing Assembly

8

791-181099

J-Handle Assembly (includes 9 & 10)

9

791-612831

Grip

10

791-612021

Tube Closure

11

791-683295

Handle Bracket Assembly (includes 12-17)

12

791-181811

Screw

13

791-181812

Upper Handle Clamp

14

791-181813

Middle Handle Clamp

15

791-181814

Lower Handle Clamp

16

791-181815

Nut

17

791-145569

Anti-Rotation Screw

18

753-1190

Click-Link Coupler (includes 18-22)

19

791-182057

Screw

20

791-181617

Bolt

21

791-181981

Adjustment Knob

22

791-181886

Knob Retaining Nut

23

791-182541

Lower Drive Shaft Housing Assembly

24

791-613300

Lower Flexible Drive Shaft

25

791-182200

Shield Mount Screw Assembly

26

791-182193

2 piece Gearbox Assembly
(includes 25, 27 & 28)

27

791-182195

Gearbox Screw

28

791-145569

Anti-Rotation Screw

29

791-147492

Blade Shield/Shield Mount

30

791-182196

Blade Driver

31

791-683304

Shield Mounting Screw

32

753-1191

Shield and Blade Assembly (includes 33)

33

791-682061

Blade Assembly

34

791-147490

Retaining Washer

35

791-612483

Spool Shaft

36

791-683301

Outer Spool and
Eyelet Assembly

37

791-612026

Retainer

38

791-610636B

Spring

39

791-147495

Inner Reel

40

791-180814B

Bump Head Knob Assembly

41

791-145873B

4-Tooth Blade

42

791-181699

Nut

*

791-180014B

Blade Retaining Kit
(includes 34 & 42)

*

791-613226

Locking Rod Tool

*

791-682075B

πShoulder Harness

2 Piece Gearbox Assembly Parts – Item 26

43

791-182191

Left Housing

44

791-182192

Right Housing

45

791-182194

Pinion Gear Assembly

46

791-182199

Output Shaft Bushing

47

791-182198

Output Shaft Gear

48

791-182197

Output Shaft Assembly
(includes 46 & 47)

49

753-1159

O-Ring

Optional Accessories

*

753-1160

Reel and Line Assembly

*

753-1161

Bump Head Assembly
(includes 35-40)

*

753-1249

4-Cycle Oil

*

Items Not Shown

17

23

24

25

27

30

30

27

27

28

31

29

33

26

26

32

37

35

41

36

34

33

22

39

38

34

40

42

1

1

5

13

14

15

16

12

11

10

8

7

6

9

4

3

2

46

47

43

44

28

45

48

18

19

20

21

27

49