REF

PART NO.

DESCRIPTION

NO.

 

 

1

736-0159

FlatWasher, 5/16

2

714-0139

Key, 3/16"x 2" (A)

 

1108841

Key, 3/16" x 1-1/2" (B)

3

1916351

Pulley, Engine Drive

4

656-04023

Transmission Pulley (A)

 

656-04005

Transmission Pulley (B)

5

1916535

Pulley, ReverseIdler (B)

6

1916652

Guard, Belts/Pulleys

7

1916657

Forward Drive Belt

8

1916658

ReverseDrive Belt (B)

9

1916660

Belt Cover

10

1916724

ReverseReturn Spring (B)

11

1916725

Belt Guide (B)

12

1916726

Forward Belt Guide

13

1916794

Engine Bracket, Left

14

1916795

Engine Bracket, Right

15

1917326

Bracket, Belt Cover

16

1917746

Shoulder Washer

17

1918731

Reverse Idler Arm (B)

18

1918744

Forward Idler Lever

19

710-0627

HexHd. Screw,5/16-24 x 1.25 (A)

 

710-0117

HexHd. Screw,5/16-24 x 1 (B}

20

710-0237

HexHd. Screw,5/16-24 x 5/8

21

710-0376

HexHd. Screw,5/16-18 x 1

REF

PART NO.

NO.

22710-04049

23710-0347

24710-0599

25710-3103

26712-3000

27712-3009

28736-0119

29750-0535

30736-3090

31736-0452

32710-0151

33GW-50027

34GW-55034

35GW-55049

36GW-9090

37GW-9301

38736-3078

39GW-9944

40710-0395

41712-3010

42750-0258

43736-0315 GW-1138-2

MODELS640C & 640A

DESCRIPTION

Hex Hd.Screw, 5/16-18 x 5/8

Hex Hd.Screw, 3/8-16 x 1-3/4

Screw, Self-Tapping, 1/4-20 x 1/2

Hex Hd.Screw, 5/16-18 x 2 (B)

Lock Nut, 3/8-16

Lock Nut, 5/16-18

Lock Washer, 5/16

Spacer, .380 ID x .625 ODx .21

FlatWasher

BellWasher

Hex Hd.Screw, 3/8-24 x 2.0, GR5 Support Washer

Forward Return Spring

Bracket, CableMounting

Forward Idler Pulley

Key, 3/16" x 1"

FlatWasher

Belleville Washer

HexScrew, 5/16-18 x 2.25 Gr5 (A}

Nut, HexLock, 5/16-18 (A)

Spacer, Shoulder (A)

Washer, Flat, .75 x 1.5 x.125 (A}

Shim, 1.0x .765 x .031 (B}

(A)ForModel640C

(B)ForModel644A

29

Page 29
Image 29
Troy-Bilt manual AForModel640C BForModel644A, Description