Troy-Bilt 660 Series, Illustrated Parts Manual

55

660 Series Drive System

Ref.

Part Number

Description

1.

710-0331

Hex Screw, 3⁄8-24 x 2.25 (A)

—

710-0539

Screw, 3⁄8-24 x 1.75 (B)

—

710-04458

Screw, 5⁄16-24 x 1.25 (C)

2.

786-04070

Clutch Cable  Bracket

3.

736-0119

Lockwasher, 5⁄16

4.

710-0107

Hex Head Screw, 5⁄16-24 x 1⁄2

5.

731-05290

Cover

6.

712-3004A

Flange Lock Nut, 5⁄16-18

7.

714-0139

Key, 3⁄16-2 (A)

—

714-04029

Key, 3⁄16 x 1.75 (B)

—

714-04042

Key, 3⁄16 x 1.5 (C)

8.

736-04187

Shim

9.

619-04130

Engine Pulley (A,C)

—

619-04015

Engine Pulley (B)

10.

736-0452

Belle. Washer, .344 x 1.0 x .063 (A,B)

—

736-04193

Belle. Washer .827 x .331 x .098 (C)

11.

710-04458

Hex Head Screw, 5⁄16–24 x 1-1⁄8

12.

710-3103

Hex Head Screw, 5⁄16–18 x 2

13.

786-04276

Reverse Idler Arm

14.

756-04169

Reverse Idler Pulley

15.

736-0159

 Flat Washer, 5⁄16

16.

732-04081

Wire Formed Belt Guide

17.

710-0117

Hex Head Screw, 5⁄16-24 x 1

18.

726-0201

Speed Nut, .3125

19.

736-3078

Flat Washer, 1-1⁄8

20.

732-04077

Reverse Return Spring

21.

619-04123

Transmission Pulley

22.

736-04079

Support Washer

23.

754-04095

Reverse Clutch Belt

24.

754-04094

Forward Clutch Belt

25.

710-04459

Self-tapping Screw, #10-32 x 1⁄2

26.

786-04080

Belts/Pulleys Guard

27.

712-04063

Hex Flange Nut, 5⁄16–18

28.

710-04043

Hex Flange Screw, 5⁄16-18 x 3⁄4

29.

786-04066

Engine Support Bracket (left side)

Ref.

Part Number

Description

30.

786-04067

Engine Support Bracket (right side)

31.

714-04042

Key, 3⁄16 x 1.50

32.

710-0395

Hex Head Screw, 5⁄16–18 x 2-1⁄4

33.

786-04277

Mounting Bar

34.

710-1260

Hex Flange Screw, 5⁄16-18 x .75

35.

710-0805

Hex Head Screw, 5⁄16-18 x 1-1⁄2

36.

736-0275

Flat Washer, 5⁄16

37.

732-04082

Belt Guide

38.

750-04160

Pivot Bushing

39.

736-0119

Lock Washer, 5⁄16

40.

712-3010

Hex Nut, 5⁄16-18

41.

748-04087

Shoulder Washer

42.

786-04275

Forward Tiller Direction Idler Arm

43.

710-04460

Self-tapping Screw, #10-24

44.

732-04078.

Spring

45.

712-3000

Hex Locknut, 5⁄16-18

46.

756-04170

Forward Idler Pulley

47.

710-0347

Screw, 3⁄8-16 x 1-3⁄4

48.

712-0158

Hex Lock Nut, 5⁄16-18

49.

710-04461

Screw, 1⁄4-20 x 3⁄4

50.

736-0463

Flat Washer, 1⁄4

51.

736-04193

Belleville Washer, .827 x .331 x .098

52.

710-0514

Hex Head Screw, 3⁄8-16 x 1

53.

742-04119

Bolo Tine-single (Left)

54.

712-3000

Hex Locknut, 3⁄8-16

55.

710-0606

Hex Head Screw, 1⁄4-20 x 1.5

56.

710-3096

Hex Head Screw, 3⁄8-16 x 2

57.

712-04064

Flange Hex Locknut, 1⁄4-20

58.

742-04118

Bolo Tine-single (Right)

59.

686-04067

Tine Holder

60.

634-04232

Wheel Assembly, 13 x 5 x 6

61.

749-04193

Bumper

62.

712-04063

Hex Lock Nut, 5⁄16-18

63.

710-0395

Hex Screw, 5⁄16-18 x 2-1⁄4

64.

726-0201

Speed Nut, .3125

A — Model 662

B — Model 663

C — Model 665