Bolens 643B, 643C, 645A warranty Training, Preparation, Operation, Heed ITS Warning

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DANGER: This machine was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. This machine is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury or death.

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Training

1.Read, understand, and follow all instructions on the machine and in the manual(s) before attempting to assemble and operate. Keep this manual in a safe place for future and regular reference and for ordering replacement parts.

2.Be familiar with all controls and their proper operation. Know how to stop the machine and disengage them quickly.

3.Never allow children under 14 years old to operate this machine. Children 14 years old and over should read and understand the operation instructions and safety rules in this manual and should be trained and supervised by a parent.

4.Never allow adults to operate this machine without proper instruction.

5.Keep bystanders, helpers, pets and children at least 75 feet from the machine while it is in operation. Stop machine if anyone enters the area.

Preparation

1.Thoroughly inspect the area where the equipment is to be used. Remove all stones, sticks, wire, and other foreign objects which could be tripped over and cause personal injury.

2Wear sturdy, rough-soled work shoes and close fitting slacks and shirt. Loose fitting clothes or jewelry can be caught in movable parts. Never operate this machine in bare feet or sandals.

3.Disengage clutch levers and shift (if provided) into neutral (“N”) before starting the engine.

4.Never leave this machine unattended with the engine running.

5.Never attempt to make any adjustments while engine is running, except where specifically recommended in the operator’s manual.

6.To avoid personal injury or property damage use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Serious personal injury can occur when gasoline is spilled on yourself or your clothes which can ignite. Wash your skin and change clothes immediately.

7.Use only an approved gasoline container.

8.Extinguish all cigarettes, cigars, pipes and other sources of ignition.

9.Never fuel machine indoors.

10.Never remove gas cap or add fuel while the engine is hot or running.

11.Allow engine to cool at least two minutes before refueling

12.Never over fill fuel tank. Fill tank to no more than ½ inch below bottom of filler neck to provide space for fuel expan- sion.

13.Replace gasoline cap and tighten securely.

14.If gasoline is spilled, wipe it off the engine and equipment. Move machine to another area. Wait 5 minutes before starting the engine.

15.Never store the machine or fuel container inside near an open flame, spark or pilot light (e.g. furnace, water or space heater, clothes dryer etc.).

16.Allow machine to cool 5 minutes before storing.

Operation

1.Do not put hands or feet near rotating parts. Contact with the rotating parts can amputate hands and feet.

2.Do not operate machine while under the influence of alcohol or drugs.

3.Never operate this machine without good visibility or light. Always be sure of your footing and keep a firm hold on the handles.

4.Keep bystanders, helpers, pets, and children at least 75 feet from the machine while it is in operation. Stop the machine if anyone enters the area.

5.Be careful when tilling in hard ground. The tines may catch in the ground and propel the tiller forward. If this occurs, let go of the handle bars and do not restrain the machine.

6.Exercise extreme caution when operating on or crossing gravel surfaces. Stay alert for hidden hazards or traffic. Do not carry passengers.

7.Never operate the machine at high transport speeds on hard or slippery surfaces.

8.Exercise caution to avoid slipping or falling.

9.Look down and behind and use care when in reverse or pulling machine towards you.

10.Start the engine according to the instructions found in this manual and keep feet well away from the tines at all times.

11.After striking a foreign object, stop the engine, discon- nect the spark plug wire and ground against the engine. Thoroughly inspect the machine for any damage. Repair the damage before starting and operating.

12.Disengage all clutch levers (if fitted) and stop engine before you leave the operating position (behind the handles). Wait until the tines come to a complete stop before unclogging the tines, making any adjustments, or inspections.

13.Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas.

14.Muffler and engine become hot and can cause a burn. Do not touch.

15.Use caution when tilling near fences, buildings and underground utilities. Rotating tines can cause property damage or personal injury.

16.Do not overload machine capacity by attempting to till soil to deep at to fast of a rate.

Safe

Operation

Practices

WARNING

This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this man- ual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol.

HEED ITS WARNING!

Your Responsibility Restrict the use

of this power machine to persons who read, understand

and follow the warn- ings and instructions in this manual

and on the machine.

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Contents 02/24/2006 772C0845Table of Contents Heed ITS Warning TrainingPreparation OperationNever pick up or carry machine while the engine is running Maintenance & StorageIntroduction AssemblyAssembly Steps Loose Parts ListWheel shaft L Outside of the handle- bar assemblyImportant The support brackets must be assembled to Move Tiller OFF CrateInstall Forward Clutch Cable Thread the screw V into the cable adjusterThread the #10-24 hex nut Z, Fig Check all nuts and screws for tightness Check Transmission OIL LevelADD Motor OIL Check HardwareEngine Controls Features ControlsWheel Drive Pins IntroductionReverse Clutch Control Models 643B & 645A only Forward Clutch BailTo operate the Forward Clutch Bail Depth Regulator LeverTo adjust the handlebars Handlebar Height AdjustmentStarting and Stopping Pre-Start ChecklistFeatures and Controls Introduction BREAK-IN OperationReduces traction Release all controls on the tillerStopping the Engine and Tiller Operating the TillerStopping the Tiller and Engine FreewheelRead the following recommendations before tilling on slopes Tilling Up and Down Slopes Vertical TillingAvoid Tilling Soggy, Wet Soil Loading and Unloading the Tiller Terrace GardeningCheck Hardware Maintenance Schedule ProcedureTiller Lubrication Check for OIL LeaksBolo Tines Transmission Gear OIL ServiceYou have good footing. Never permit tiller Removing/Installing a Tine AssemblyTo Check Reverse Belt Tension Replacement Belt InformationOnly Drive Belt Tension Models 643B & 645ATo Check the Engine Oil Level Engine Cleaning AIR Cleaner Service Engine OIL ServiceSpark Plug Service OFF-SEASON StorageTrouble Shooting Warranty Page Parts List Pièces Détachées Adressez-vous au «Service après-vente»La page 2 pour ce qui concerne les pièces et/ou accessoires Use as required to obtain between Part Description RÉF Pièce Page Part Description RÉF Pièce For parts and/or accessories refer to customer support on Page Juridictions les selon GarantieDépannage Moteur à l’huile changer Pour .B Bougie LA DE EntretienTeur -CARBURATEUR/RÉGULA DU Réglages Lles -ÉTINCE-PARE L’ÉCRAN DE EntretienIntérieur blocage de l’écrou serrez et tourner de Moteur À L’HUILE DE VidangeAIR À Filtre DU Entretien Moteur DU NettoyageAvant Marche LA Seulement 645A et 643B Modèles ArrièreMarche LA DE Courroie LA DE Sion TEN LA DE Réglage ET VérificationArbre AvantBolo Dents DentsTrans LA DE Engrenages Pour Huile Pas ne pour niveau le fréquemment VérifiezFond MissionEntretien Motoculteur DU Déchargement ET Chargement UtilisationRisques des présenter Dents des NettoyageCorporelles blessures Sauf déconseillonsDétrempée Terre la pulvériserTerre une travailler de Évitez Profondeur en plus dents les travailler Corporelles Blessures des et matériels dégâts desLes laissez et travaillant en détendu Soyez .b Motoculteur, du contrôle de perte laTerre la Séparément fournie moteur duTravail Chine Faites NeRéglage Travailler à prêt soyez vous que ce jusqu’à Matériels dégâtsDes ou corporelles blessures des entraîner Peut avertissement cet de respect non LeCette Avant Marche LA DE D’EMBRAYAGE BarreRoues DES D’ENTRAÎNEMENT Goupilles Moteur DU CommandesAssemblage Moteur’HUILE Plein Étape Septième ’EMBRAYAGE Câble DU Tion Installa Étape QuatrièmeIncorrecte tension Remarque Avant Marche LA DEMoto LE Sortir Étape Troisième Caisse LA DE CulteurRemarque Détachées pièces des ListeRespectez SYMBOLE! CE Accompagne QUI L’AVERTISSEMENTResponsabilité Votre Remisage et EntretienGénéral en Utilisation SYMBOLE! CE Accompagne QUI L’AVERTISSEMENT RespectezFonctionnement PréparationCommandes et Caractéristiques DépannageSaison hors Remisage et Entretien 02/24/2006 772C0845 ’UTILISATION Notice

643B, 643C, 645A specifications

The Bolens 645A, 643C, and 643B are celebrated models in the lineup of Bolens garden tractors, known for their durability and versatility. These machines, produced during the 1970s and 1980s, are vintage favorites for homeowners and garden enthusiasts seeking rugged equipment for their gardening needs.

The Bolens 645A is especially noted for its robust build and powerful performance. Equipped with a 7-horsepower engine, the 645A can tackle a variety of tasks, from mowing to snow removal, making it a multipurpose tool in any garden or landscape. One of the main features of the 645A is its hydrostatic transmission, which allows for seamless speed adjustments, providing exceptional maneuverability in tight spaces and varied terrain.

Similarly, the Bolens 643C and 643B models boast impressive features and capabilities. The 643C is renowned for its compact yet powerful 6-horsepower engine. It includes a gear-driven transmission, which offers reliable power transfer and increased efficiency while operating under demanding conditions. The steady performance of the 643C makes it ideal for smaller properties, where precision and control are paramount.

The 643B, while slightly less powerful than its sibling, still holds its own with a solid 5-horsepower engine. It is particularly favored for its ease of use and relatively low maintenance requirements, making it a perfect choice for casual gardeners or those new to the world of garden tractors. Its straightforward controls and simple mechanisms ensure that users can quickly learn to operate it proficiently.

All three models are engineered with a focus on user comfort. The seating is designed ergonomically, allowing users to operate for extended periods without discomfort. Additionally, the accessibility for maintenance tasks is a notable characteristic, ensuring that both professional and amateur gardeners can perform regular upkeep with ease.

In terms of technology, these models utilize straightforward mechanical designs with minimal electronic components, which reduces the likelihood of breakdowns and simplifies repairs. The rugged construction of the chassis and attachments demonstrates Bolens' commitment to longevity and resilience, making these tractors a solid investment for any gardening enthusiast.

In summary, the Bolens 645A, 643C, and 643B models stand out in the garden tractor market due to their powerful engines, user-friendly designs, and robust construction. They represent a blend of efficiency and reliability, catering to a wide range of gardening tasks and maintaining a loyal following among vintage equipment enthusiasts.
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