Troy-Bilt 643D-Tuffy/Bronco, 643B, 645A - Super Bronco manual Depth Regulator Lever

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A

B

Figure 3-3: FREEWHEEL position.

WARNING: Before starting engine, be sure that both wheels are in WHEEL DRIVE position. See Wheels Drive Pins for instructions.

Engaging the Forward Clutch Bail or Reverse Clutch Control (if equipped) when the wheels are not in WHEEL DRIVE could allow the tines to rapidly propel the tiller forward or backward.

Failure to comply could cause loss of tiller control, property damage, or personal injury.

FORWARD CLUTCH BAIL

The Forward Clutch Bail (D, Figure 3-4) controls the engagement of forward drive to the wheels and tines.

To operate the Forward Clutch Bail:

1.Put wheels in WHEEL DRIVE position (see “WARNING” statement above).

2.Lift and hold the clutch bail (D, Figure 3-

4) against the handlebar to start the wheels and tines rotating in a forward direction.

3.Release the clutch bail to disengage (stop) the wheels and tines (the engine will continue to run).

REVERSE CLUTCH CONTROL (Models 643B & 645A only)

The Reverse Clutch Control (E, Figure 3-4) controls the engagement of reverse drive to the wheels and tines. The reversing fea- ture is used for maneuvering the tiller only — never engage the tines in the ground while operating in reverse.

WARNING: Use extreme caution when reversing or pulling the machine towards you. Look behind to avoid obstacles.

Never attempt to till in reverse. Failure to follow this warning could result in personal injury or property damage.

To operate the Reverse Clutch Control:

1.Put wheels in WHEEL DRIVE position (see “WARNING” statement at the left).

2.Stop all tiller motion by releasing the Forward Clutch Bail.

3.Lift the handlebar until the tines clear the ground, look behind you to avoid any obstacles, and then pull the control knob (E, Figure 3-4) out. The wheels and tines will rotate in a reverse direction.

4.Release the control knob to disengage (stop) the wheels and tines (the engine will continue to run).

E

D

Figure 3-4: All models have a Forward Clutch Bail (E). Only Model 634A have a Reverse Clutch Control (F).

DEPTH REGULATOR LEVER

This lever (F, Figure 3-5) controls the tilling depth of the tines. Pull the lever back and slide it up or down to engage the notched height settings.

The “travel position” (highest notch) raises the tines approximately 1-1/2" off the ground, allowing the tiller to be moved without the tines contacting the ground. This setting should also be used when starting the engine.

Moving the lever upward will increase the tilling depth. The lowest notch allows a till- ing depth of approximately 6”, depending on soil conditions. For best results, always

begin tilling at a very shallow depth setting and gradually increase the tilling depth.

WARNING: Do not attempt to till too deeply too quickly. Gradually work down to deeper tilling depths.

Place the Depth Regulator Lever in the “travel” position before starting the engine. This position prevents the tines from touching the ground until you are ready to begin tilling. Failure to follow this warning could result in personal injury or property damage.

Travel Position

F

 

Shallow

 

Settings

Deep

 

 

Settings

Figure 3-5: Depth Regulator Lever (G).

HANDLEBAR HEIGHT ADJUSTMENT

The handlebar height is adjustable to three different settings (Figure 3-6). In general, adjust the handlebars so they are at waist level when the tines are 3"-4" in the soil.

To adjust the handlebars:

1.Stop engine, disconnect spark plug wire from spark plug and allow engine to cool.

2.Remove hardware, reposition handle- bars, and reinstall hardware securely.

High

Medium

Low

Figure 3-6: Handlebar height adjustment.

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Contents 11/11/05 Form no -00585E.fmCustomer Support Table of ContentsFinding Model Number 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 engagingDecals 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 turningCheck all nuts and screws for tightness Check Transmission OIL LevelAture package to identify the controls on your engine Wheel Drive PinsIntroduction Engine ControlsDepth Regulator Lever Handlebar Height AdjustmentChange 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 TinesTo Check Forward Belt Tension Checking and AdjustingReplacement Belt Information ForwardTo 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 Models 643C, 643B & 645A GW-1224-3 Front Model 643C Models 643C, 643B & 645A Page Page TROY-BILT Tiller Lifetime Limited Warranty Formulario N 769-00585ESp.fm Manual del OperadorÍndice Página ÍndiceBúsqueda DEL Número DE Modelo Asistencia AL ClienteUn embudo o pico para evitar derrames Símbolo de alerta de seguridadLea atentamente este Llene el tanque de combustible en exteriores con extremoLa misma en cada pasada Mantenga a los niños y las mascotas alejadosAdvertencia Ctdad. Descripción IntroducciónInspeccione LA Unidad Directa Paso 4 Instale EL CableDEL Embrague DE Marcha Únicamente Modelos 643B Y 645A Controle el ajuste de todas las tuercas y los pernos Paso 6 Verificación del nivel del Aceite DE TransmisiónLa cultivadora se envía sin aceite en el motor Identificar los controles del motor IntroducciónControles DEL Motor Pasador de transmisión de las ruedasAjuste DE LA Altura DE LA Barra DE Control Coloque las ruedas en la posición Funcionamiento InicialArranque Y Detención Cambie el aceite del motorLos dientes se separen del suelo Funcionamiento DE LA CultivadoraDetención del motor y la cultivadora Para mover el modelo 643C marcha atrás en distancias cortasPreparación de los Sugerencias Y Técnicas Para LA LabranzaProfundidades Advertencia Ant Evite dejar huellasLabranza cuesta arriba y cuesta abajo labranza vertical Sugerencias Y Técnicas DE Labranza ContinuaciónLabranza en Limpieza de losJardinería en terrazas continuación Carga Y Descarga DE LA CultivadoraGraves o daños materiales Lubricación DE LA CultivadoraVerifique LA Presión DE Aire Modelos con neumáticosRetiro⁄Instalación de un solo diente Dientes BoloPara drenar el aceite de engranajes de la transmisión Inspección de los dientesMarcha directa Verificación Y AjusteMarcha Directa Avance643B y 645A Limpieza DEL MotorMantenimiento DEL Filtro DE Aire Mantenimiento DEL Aceite DE MotorPara cambiar el aceite de motor Mantenimiento DEL Filtro AntichispasAjustes DE Control Ajuste DE LA Palanca DEL EstranguladorProblema Causa Posible Corrección Solución DE ProblemasNotas Modelos 643C, 643B y 645A Modelos 643C, 643B Y 645A 16-18 x 3/4 No. de PiezaFrente Model 643C Modelos 643C, 643B Y 645A Notas Notas QUÉ Producto
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