Makita EM4251 manual Mounting of Cutter Blade or Nylon Cutter Head, Mounting of nylon cutting head

Page 11

MOUNTING OF CUTTER BLADE OR NYLON CUTTER HEAD

Turn the machine upside down, and you can replace the cutter blade easily.

For EM4250/EM4250CA, EM4251/EM4251CA

–Insert the hex wrench through the hole in the gear case and rotate the receiver washer (3) until it is locked with the hex wrench.

–Loosen the nut (1) (left-hand thread) with the socket wrench and remove the nut (1), and clamp washer (2).

For EM4250/EM4250CA with the hex wrench still in place.

–Mount the cutter blade onto the shaft so that the guide of the receiver

washer (3) fits in the arbor hole in the cutter blade. Install the clamp washer

(2)and secure the cutter blade with the nut (1). [Tightening torque: 13 - 23 N-m]

NOTE: Always wear gloves when handling the cutter blade.

NOTE: The cutter blade-fastening nut (with spring washer) is a consumable

part. If there appears any wear or deformation on the spring washer,Hex wrench replace the nut.

Mounting of nylon cutting head

For EM4251/EM4251CA

–To install the nylon cutting head (7), remove the tightening nut (8).

–Insert the socket-head wrench (11) through the hole in the gear case and tum the support washer until it will be locked with its notch (12) (or the shaft will be locked).

–Then screw the nylon cutting head onto the shaft by turning it counter- clockwise.

–Remove the socket-head wrench.

–Make sure that the blade is the left way up.

Rotation

11

Page 10 Page 12
Image 11
Page 10 Page 12
Contents EM4250CA EM4251CA English SymbolsPersonal protective equipment Safety InstructionsGeneral Instructions Intended use of the machineRefuelling Kickback prevention Maintenance instructionsMethod of operation KickbackPackaging When asking for help, please give the following informationNever straighten or weld damaged cutting tools First AidEM4251/EM4251CA EM4250/EM4250CA Model Technical Data EM4250, EM4251EM4250/EM4250CA Brush Cutter EM4251/EM4251CA String trimmer Designation of PartsFor machines with Loop Handle models Mounting of HandleFor machines with U Handle models Mounting of Protector Mounting of nylon cutting head Mounting of Cutter Blade or Nylon Cutter HeadFor EM4250/EM4250CA with the hex wrench still in place Inspection and Refill of Engine Oil Point 1 in Replacement of Oil Oil GaugeBefore Start of Operation Storageof Machineand Refilltank RefuelingStarting Points in Operation and HOW to StopCorrect Handling of Machine Open For machine with U Handle or Loop HandleStartup after warm-up operation Adjustment of LOW-SPEED Rotation IdlingResharpening the Cutting Tool StoppingReplacing the nylon cord Nylon Cutting HeadOperation Servicing Instructions Replacement of Engine OILDaily checkup and maintenance Points on OIL Cleaning of AIR CleanerPoints in Handling Air Cleaner Element Replacement of Gaskets and Packings Cleaning of Fuel FilterReplacement of Fuel Pipe Cleaning of PartsStorage Fault locationOperating time Troubleshooting Emission Compliance Period MANUFACTURER’S Warranty Coverage Page Every 8 hours daily Every 8 hours daily ProcedureFederal Emission Component Defect Warranty Obtaining Warranty Service HOW to Make a Claim Français SymbolesÉquipement personnel de protection Consignes DE SécuritéInstructions générales Utilisation spéciale de la machineMètres RavitaillementOutils de coupe Instructions de maintenanceMéthode dutilisation Effet de retourEmballage Premier secoursCaracteristiques Techniques EM4250/EM4250CA, EM4251/EM4251CA Nomenclature DES Pièces Machines à poignée simple Montage DE LA PoignéePour les modèles à polgnée en U Montage DU Dispositif DE Protection Montage du dispositif de coupe à fil Montage DE LA Lame DE Coupe OU DE LA Téte DE Coupe À FILControle ET Ravitaillement DE L’HUILE Moteur Remplacement de l’huile Jauge d’huileAvant Mise EN Marche ENTREPÔSAGEDEL’APPAREILET Duréservoir DE Ravitallement RavitaillementRetrait Manipulation Correcte DE LA MachineConsignes DE Mise EN Marche ET Arrêt DE LA Machine Fixation du harnaisConsignes de sécurité lors du fonctionnement Pour les machines à poignée en U ou en BoucleVerification DE Larotationapetite Vitesse Réaffûtage DE Loutil DE CoupeReglage DE LA Marche a Petite Vitesse AU Ralenti Démarrage après réchauffageFonctionnement Remplacement du fil en nylonTête de coupe à fil en nylon Instructions Relatives AUX Réparations Remplacement DE L’HUILE a MoteurContrôle et opérations de maintenance réguliers ESSENTIELSPOURL’HUILE Nettoyage DU Filtre a AIRGraissage DU Carter D’ENGRENAGE Remplacement DU Tuyau a CarburantRemplacement DES Joints ET Garnitures Contôle DE LA Bougie DallumageLocalisation des défauts RemisageDurée de marche Depannage Lista de contenidos Página SimbolosEquipo Personal de Protección Instrucciones DE SeguridadInstrucciones generales Uso intentado de la máquinaReabastecimiento Cabezal de Nylon Método de trabajoContragolpe Herramientas de CorteEmbalaje Nunca rectificar o soldar las herramientas de corte dañadasPrimeros Auxilios EM4251/EM4251CA EM4250/EM4250CA Modelo Datos Técnicos EM4250/EM4250CA, EM4251/EM4251CAEM4250/EM4250CA Desbrozadora EM4251/EM4251CA Cortabordes Denominación DE PartesPara máquinas con manillar cerrado Montaje DEL ManillarPara máquinas con manillar en U USO DE Protector Para Hojas METALICAS/CORTADOR DE Cuerda Montaje DEL ProtectorMontaje de la cabeza de corte de nylon Montaje DE LA Hoja DE Corte O Cabezal DE Corte DE NylonPara EM4250/EM4250CA con la llave hexagonal todavía puesuta Punto 1 de reabastecimiento de aceite bayoneta de aceite Antes DE Empezar EL TrabajoInspección Yreabastecimientode Aceitedemotor Almacenaje DE Lamáquinay DEL Tanque DE Reabastecimiento Reabastecimiento DE CombustibleArranque USO Correcto DE LA MáquinaPuntos Relacionados CON EL Manejo Y LA Parada Precauciones durante la operación Máquina con manillar U ó cerradoCuidado Afilar LA Herramienta DE CorteAjuste DEL Giro a Baja Velocidad Ralentí Arrancar después de la operación de calentamientoSustitución del cabezal de Nylon CabezaldenylonUtilización Comprobación y mantenimiento diarios Instrucciones DE ServicioCambio DEL Aceite DEL Motor Manipulación del elemento del filtro de aire Limpieza DEL Depurador DE AirePuntos Relacionados Conel Aceite Cambio DE LA Tubería DE Combustible Comprobación DE LA BujiaSuministro DE Grasa a LA Caja DE Engranajes Limpieza DEL Filtro DE CombustibleLocalizacion de averias AlmacenamientoAtención después de almacenamiento de largo tirmpo Tiempo de Iinvestigación DE Averías Page Advertencia
Related manuals
Manual 76 pages 48.56 Kb

EM4250, EM4251, EM4250CA, EM4251CA specifications

The Makita EM4251CA and EM4250CA models are the latest additions to Makita's robust range of outdoor power equipment, specifically designed for professional landscapers and gardening enthusiasts. These brushcutters are known for their powerful performance, ease of use, and advanced technologies that enhance efficiency and durability.

The Makita EM4251CA features a displacement of 25.4cc, while the EM4250CA is slightly larger, with a 30.5cc engine. Both models are equipped with a high-performance 2-stroke engine that delivers impressive power and torque for tackling thick grass, weeds, and underbrush. The engines are designed for low emissions and fuel consumption, contributing to environmentally friendly operation while maintaining compliance with the latest regulatory standards.

One of the standout features of these brushcutters is the Easy Start System, which significantly reduces the effort required to start the engine. This system incorporates a spring-assisted starter that provides a smooth and reliable start every time. Additionally, the models offer a semi-automatic choke system that adjusts fuel flow for optimal performance in varying conditions.

For user comfort, the EM4251CA and EM4250CA are designed ergonomically, with a lightweight construction that enhances maneuverability without compromising strength. The adjustable bike handle provides solid control during operation, minimizing user fatigue during lengthy tasks. Both models also feature anti-vibration technology that reduces vibrations transmitted to the user, ensuring a more comfortable experience.

A robust and durable design is another hallmark of Makita's brushcutters. The fuel tank is constructed from high-quality materials to resist impacts and environmental factors, while the shaft is reinforced to withstand rigorous use. The inclusion of a reinforced cutter head allows for versatile cutting options, accommodating both trimmer line and metal blades for various applications.

For added convenience, these models are equipped with a soft grip handle that provides comfort during extended use, alongside a quick-release harness that allows for swift transitions between tasks. Overall, the Makita EM4251CA and EM4250CA brushcutters represent a blend of power, efficiency, and user-oriented design, making them ideal tools for anyone serious about maintaining their outdoor spaces.

With their mix of advanced technology and practical features, the EM4251 and EM4250 models ensure that users can tackle tough landscaping jobs with confidence and ease, making them invaluable assets for both professionals and hobbyists alike.
Top Page Image Contents