Troy-Bilt 643C Tuffy/Bronco, 645A Super Bronco manual Models 643C, 643B & 645A, Description

Page 25

MODELS 643C, 643B & 645A

REF

PART NO.

DESCRIPTION

REF

PART NO.

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

 

 

 

1

686-04043

Tine Hood Assembly (A)

27

732-04185

Spring, Forward Clutch

 

686-04041

Tine Hood Assembly (B) (C)

28

746-04208

Cable Assembly, Forward Clutch

2

710-0395

Hex Screw, 5/16-18 x 2.25

29

746-04058

Cable Assembly, Reverse Clutch (B) (C)

3

710-0597

Hex Hd. Screw, 1/4-20 x 1

30

747-04210

Bail, Forward Clutch

4

710-0599

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

31

749-04084

Upper Handlebar

5

710-0874

Hex Hd. Screw, 5/16-18 x 1-1/4

32

749-04208

Lower Handlebar

6

710-3008

Hex Hd. Screw, 5/16-18 x .75

33

749-04106

Tab, Conduit Mount

7

712-04063

Hex Lock Nut, Nylon, 5/16-18

34

732-04040

Bracket, Reverse Clutch Cable (B) (C)

8

712-04064

Hex Lock Nut, Nylon, 1/4-20

35

786-04188

Handlebar Support

9

715-0108

Spirol Pin

36

786-04200

Panel

10

732-04320

Spring, Depth Regulator

37

710-0216

Screw, Hex, 3/8-16 x 3/4

11

736-0275

Flat Washer, 5/16

38

710-0805

Screw, Hex, 5/16-18 x 1-1/2

12

750-04149

Spacer, .462 x .328 x 1.63

39

712-3000

Hex Lock Nut, 3/8-16

13

750-04160

Bushing

40

736-0119

Lock Washer, 5/16

14

750-04556

Spacer

41

725-0157

Cable Tie

15

786-04092

Reverse Stop Arm

42

736-3050

Flat Washer, 3/8

16

786-04098

Channel Support Bracket

43

712-04065

Flange Lock Nut 3/8-16

17

786-04104

Drag Bar

44

710-0347

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

18

786-04191

Flap Stop Bracket

45

710-0514

Hex Hd. Screw, 3/8-16 x 1, Grade 5

19

786-04290

Hood Bracket, Left Hand

46

710-04048

Flange Screw .312-18 x 1.00

20

786-04291

Hood Bracket, Right Hand

47

742-04117

Single Bolo Tine - Left Hand

21

786-04292

Adjustable Depth Bar

48

742-04116

Single Bolo Tine - Right Hand

22

710-0106

Hex Hd. Screw, 1/4-20 x 1-1/4

49

686-04066

Tine Holder (A)

23

710-04163

Screw, #10-24 x 2

 

686-04065

Tine Holder (B) (C)

24

712-3009

Hex Lock Nut, 5/16-18

 

GW-1901

Bolo Tine Replacement Set (Incl. eight

25

712-0121

Hex Nut, #10-24

 

 

right-hand tines, eight left-hand tines and

26

712-0291

Hex Lock Nut, 1/4-20

 

 

required hardware). (A) (B) (C)

 

 

 

 

 

 

(A)For Model 643C

(B)For Model 643B

(C)For Model 645A

25

Image 25
Contents Operator’s Manual Finding Model Number Table of ContentsCustomer Support Do not put hands or feet near or under rotating parts Safety Alert SymbolKeep children and pets away Refer to the Maintenance sectionsStarting the engine or engaging Use slower engine speedsTo Avoid Serious Injury Operating SymbolsAssembly Steps AssemblyIntroduction Inspect UnitUse the handlebar to roll the tiller to a flat area Install Forward Clutch CableWith the Forward Clutch Bail Y, Fig While preventing the cable adjuster from turningCheck all nuts and screws for tightness SafetyOperation Freewheel Ature package to identify the controls on your engineFrom wheel drive shaft B To adjust the handlebars Travel Position Shallow SettingsTo operate the Forward Clutch Bail Stop all tiller motion by releasing the Forward Clutch BailIntroduction BREAK-IN Operation Following steps describe how to start and stop the engineStarting and Stopping Change engine oilOperating the Tiller For forward motion of the wheels and power to the tinesStopping the Engine and Tiller To move the Model 643C in reverse for short distancesTilling Tips & Techniques Tilling On Slopes Tilling Tips & Techniques CON’TClearing the Tines Read the following recommendations before tilling on slopesTerrace Gardening Loading and Unloading the TillerTiller Lubrication Transmission Gear OIL ServiceCheck Hardware Check Tire PressureRemoving⁄Installing a Tine Assembly Removing⁄Installing a Single TineBolo Tines Tine InspectionReplacement Belt Information Checking and AdjustingTo Check Forward Belt Tension Engine Cleaning AIR Cleaner Service Engine OIL Service Forward Clutch Bail AdjustmentModels 643B & 645A only To Check Reverse Belt TensionSpark Arrester Screen Service Spark Plug ServiceOFF-SEASON Storage To Change the Engine OilProblem Possible Cause Correction TroubleshootingPage Models 643C, 643B & 645A Description Models 643C, 643B & 645AGW-1224-3 Front Model 643C Models 643C, 643B & 645A Page Page TROY-BILT Tiller Lifetime Limited Warranty