Bolens 643C, 643B, 645A warranty 772C0845, 02/24/2006

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Safety • Assembly • Features & Controls • Operation • Maintenance • Troubleshooting • Warranty • Parts Lists

OPERATOR’S MANUAL

Rear-Tine Tiller - Model 643B, 643C & 645A

IMPORTANT:

READ SAFETY RULES AND INSTRUCTIONS

CAREFULLY BEFORE OPERATING EQUIPMENT.

 

MTD Products Ltd., P. O. Box 1386, KITCHENER, ONTARIO N2G 4J1

772C0845

PRINTED IN U.S.A.

02/24/2006

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Contents 02/24/2006 772C0845Table of Contents Preparation TrainingOperation Heed ITS WarningNever pick up or carry machine while the engine is running Maintenance & StorageAssembly Steps AssemblyLoose Parts List IntroductionImportant The support brackets must be assembled to Outside of the handle- bar assemblyMove Tiller OFF Crate Wheel shaft LThread the screw V into the cable adjuster Install Forward Clutch CableThread the #10-24 hex nut Z, Fig ADD Motor OIL Check Transmission OIL LevelCheck Hardware Check all nuts and screws for tightnessWheel Drive Pins Features ControlsIntroduction Engine ControlsTo operate the Forward Clutch Bail Forward Clutch BailDepth Regulator Lever Reverse Clutch Control Models 643B & 645A onlyTo adjust the handlebars Handlebar Height AdjustmentFeatures and Controls Pre-Start ChecklistIntroduction BREAK-IN Operation Starting and StoppingStopping the Engine and Tiller Release all controls on the tillerOperating the Tiller Reduces tractionStopping the Tiller and Engine FreewheelTilling Up and Down Slopes Vertical Tilling Read the following recommendations before tilling on slopesAvoid Tilling Soggy, Wet Soil Loading and Unloading the Tiller Terrace GardeningTiller Lubrication Maintenance Schedule ProcedureCheck for OIL Leaks Check HardwareBolo Tines Transmission Gear OIL ServiceYou have good footing. Never permit tiller Removing/Installing a Tine AssemblyOnly Replacement Belt InformationDrive Belt Tension Models 643B & 645A To Check Reverse Belt TensionSpark Plug Service Engine Cleaning AIR Cleaner Service Engine OIL ServiceOFF-SEASON Storage To Check the Engine Oil LevelTrouble Shooting Warranty Page Adressez-vous au «Service après-vente» Parts List Pièces DétachéesLa 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 Teur -CARBURATEUR/RÉGULA DU Réglages Bougie LA DE EntretienLles -ÉTINCE-PARE L’ÉCRAN DE Entretien Moteur à l’huile changer Pour .BAIR À Filtre DU Entretien Moteur À L’HUILE DE VidangeMoteur DU Nettoyage Intérieur blocage de l’écrou serrez et tourner deMarche LA DE Courroie LA DE Sion Seulement 645A et 643B Modèles ArrièreTEN LA DE Réglage ET Vérification Avant Marche LABolo Dents AvantDents ArbreFond Pas ne pour niveau le fréquemment VérifiezMission Trans LA DE Engrenages Pour HuileEntretien Motoculteur DU Déchargement ET Chargement UtilisationCorporelles blessures Dents des NettoyageSauf déconseillons Risques des présenterTerre la pulvériser DétrempéeTerre une travailler de Évitez Les laissez et travaillant en détendu Soyez .b Corporelles Blessures des et matériels dégâts desMotoculteur, du contrôle de perte la Profondeur en plus dents les travaillerSéparément fournie moteur du Terre laTravail Faites Ne ChineRéglage Des ou corporelles blessures des entraîner Matériels dégâtsPeut avertissement cet de respect non Le Travailler à prêt soyez vous que ce jusqu’àCette Avant Marche LA DE D’EMBRAYAGE BarreRoues DES D’ENTRAÎNEMENT Goupilles Moteur DU CommandesMoteur Assemblage’HUILE Plein Étape Septième Incorrecte tension Remarque Installa Étape QuatrièmeAvant Marche LA DE ’EMBRAYAGE Câble DU TionMoto LE Sortir Étape Troisième Caisse LA DE CulteurRemarque Détachées pièces des ListeResponsabilité Votre SYMBOLE! CE Accompagne QUI L’AVERTISSEMENTRemisage et Entretien RespectezFonctionnement SYMBOLE! CE Accompagne QUI L’AVERTISSEMENT RespectezPréparation Général en UtilisationDépannage Commandes et CaractéristiquesSaison 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.