Troy-Bilt 643C Tuffy/Bronco, 645A Super Bronco manual Front

Page 27

MODELS 643C, 643B & 645A

8

6

2

FRONT

11

3

4

7

5

(A)For Model 643C

(B)For Model 643B

(C)For Model 645A

10

9

7

4

3

2

REF

PART NO.

DESCRIPTION

NO.

 

 

 

 

 

2

1909950

Retainer, Snap Ring

3

GW-1166-1*

Shim, 0.062" thick

 

GW-1166-2*

Shim, 0.030" thick

 

GW-1166-3*

Shim, 0.015" thick

 

GW-1166-4*

Shim, 0.010" thick

 

GW-1166-5*

Shim, 0.005" thick

4

GW-1086

Bronze Bushing

5

711-04512

Wheel Shaft (A)

 

711-04486

Wheel Shaft (B) (C)

6

GW-9305

Key, Hi-Pro, 1/4 x 1

7

GW-1132-2

Spacer

8

1904278

Worm Gear, Wheel Shaft

9

711-04078

Tiller Shaft

10

GW-1104

Woodruff Key

11

1916542

Worm Gear, Tiller Shaft

 

 

 

* Use as required to obtain between .005” and .030” allowable end-play.

27

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Contents Operator’s Manual Table of Contents Finding Model NumberCustomer Support Do not put hands or feet near or under rotating parts Safety Alert SymbolUse slower engine speeds Refer to the Maintenance sectionsKeep children and pets away Starting the engine or engagingTo Avoid Serious Injury Operating SymbolsInspect Unit AssemblyAssembly Steps IntroductionUse 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 turningSafety Check all nuts and screws for tightnessOperation Ature package to identify the controls on your engine FreewheelFrom wheel drive shaft B Stop all tiller motion by releasing the Forward Clutch Bail Travel Position Shallow SettingsTo adjust the handlebars To operate the Forward Clutch BailChange engine oil Following steps describe how to start and stop the engineIntroduction BREAK-IN Operation Starting and StoppingTo move the Model 643C in reverse for short distances For forward motion of the wheels and power to the tinesOperating the Tiller Stopping the Engine and TillerTilling Tips & Techniques Read the following recommendations before tilling on slopes Tilling Tips & Techniques CON’TTilling On Slopes Clearing the TinesTerrace Gardening Loading and Unloading the TillerCheck Tire Pressure Transmission Gear OIL ServiceTiller Lubrication Check HardwareTine Inspection Removing⁄Installing a Single TineRemoving⁄Installing a Tine Assembly Bolo TinesChecking and Adjusting Replacement Belt InformationTo Check Forward Belt Tension To Check Reverse Belt Tension Forward Clutch Bail AdjustmentEngine Cleaning AIR Cleaner Service Engine OIL Service Models 643B & 645A onlyTo Change the Engine Oil Spark Plug ServiceSpark Arrester Screen Service OFF-SEASON StorageProblem 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
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