Troy-Bilt 643B Operator's Manual page 29

REF
PART NO.
NO.
1 736-0159 Flat Washer, 5/16
2 756-04198 Pulley, Engine Drive
3 656-04023 Transmission Pulley (A)
656-04005 Transmission Pulley (B) (C)
4 756-04169 Pulley, Reverse Idler (B) (C)
5 786-04095 Guard, Belts/Pulleys
6 754-04090 Forward Drive Belt
7 754-04091 Reverse Drive Belt (B) (C)
8 731-05268 Belt Cover
9 732-04289 Reverse Return Spring (B) (C)
10 732-04081 Belt Guide (B) (C)
11 732-04079 Belt Guide
12 786-04068 Engine Bracket, Left
13 786-04069 Engine Bracket, Right
14 786-04070 Bracket, Belt Cover
15 748-04087 Shoulder Washer
16 786-04276 Reverse Idler Arm (B) (C)
17 786-04275 Forward Idler Lever
18 710-0672 Hex Hd. Screw, 5/16-24 x 1.25 (A)
710-0117 Hex Hd. Screw, 5/16-24 x 1 (B) (C)
19 710-0237 Hex Hd. Screw, 5/16-24 x 5⁄8
20 710-0376 Hex Hd. Screw, 5/16-18 x 1
21 710-04049 Hex Hd. Screw, 5/16-18 x 5/8
22 710-0347 Hex Hd. Screw, 3/8-16 x 1-3/4 (A)
710-0520 Hex Hd. Screw, 3/8-16 x 1.50 (B) (C)
23 710-0599 Screw, Self-Tapping, 1/4-20 x 1/2
24 710-3103 Hex Hd. Screw, 5/16-18 x 2 (B) (C)
25 712-3000 Lock Nut, 3/8-16
26 712-3009 Lock Nut, 5/16-18 (B) (C)
(A) For Model 643C
(B) For Model 643B
(C) For Model 645A
MODELS 643C, 643B & 645A
DESCRIPTION
29
REF
PART NO.
NO.
27 736-0119 Lock Washer, 5/16 (A)
28 750-0535 Spacer, .380 ID x .625 OD x .21 (A)
736-3050 Flat Washer .406 x .812 x .051 (B) (C)
29 736-3090 Flat Washer
30 736-0452 Bell Washer
31 710-0459A Hex Hd. Screw, 3/8-24 x 1.50, GR5
32 736-04181 Support Washer
33 732-04085 Forward Return Spring
34 786-04107 Bracket, Cable Mounting
35 756-04170 Forward Idler Pulley
36 714-0105 Key, 3/16" x 1"
37 736-3078 Flat Washer
38 736-04193 Belleville Washer
39 710-0805 Hex Screw, 5/16-18 x 1.50 Gr5 (A) (B)
710-0395 Hex Screw, 5/16-18 x 2-1/4, Gr5 (C)
40 712-04063 Nut, Hex Lock, 5/16-18
41 750-0258 Spacer, Shoulder (A)
42 736-0315 Washer, Flat, .75 x 1.5 x .125 (A)
736-04192 Flat Washer .786 x 1.000 x .031 (B) (C)
43 736-0242 Bell Washer
44 749-04193 Bumper (C)
45 726-0201 Nut, Speed, 5/16-18 (C)
46 714-0143 Klik Pin
47 734-04188 Complete Wheel Assembly 10 x 2.75 (A)
48 634-04232 Complete Wheel Assembly 13 x 5 x 6 (B) (C)
634-04218 Rim Assembly (B) (C)
734-0255 Air Valve (B) (C)
734-04163 Tire (B) (C)
DESCRIPTION