Dolmar MS-250.4, MS-251.4

*1 Perform initial replacement after 20h operation.

*2 For the 200 operating hour inspection, request Authorized Service Agent or a machine shop.

*3 After emptying the fuel tank, continue to run the engine and drain fuel in the carburetor.

Operating time

Item

Before

operation

After

lubrication

Daily

(10h) 30h 50h 200h

Shutdown

/rest

Corres-po

nding P

Inspect/clean 11

Engine oil

Replace *1 17

Tightening parts

(bolt, nut) Inspect 19

Clean/inspect

Fuel tank

Drain fuel *3 20

Throttle lever Check function 13

Stop switch Check function 13

Cutting blade Inspect 9

Low-speed rotation Inspect/adjust 15

Air cleaner Clean 18

Ignition plug Inspect 19

Cooling air duct Clean/inspect 19

Inspect 19

Fuel pipe

Replace *2

Gear-case grease Refill 19

Fuel filter Clean/replace 19

Clearance between air intake

valve and air discharge valve Adjust *2

Engine overhaul *2

Carburetor Drain fuel *3 20

Contents

Main C I O SYMBOLS SAFETY INSTRUCTIONS General Instructions Intended use of the machine Personal protective equipment Starting up the brush cutter Refuelling 3 meters Method of operation Kickback Kickback prevention Cutting Tools Maintenance instructions EU Conformity Declaration TECHNICAL DATA MS-250.4, MS-251.4 MS-251.4 MS-250.4 Model DESIGNATION OF PARTS MS-251.4 String trimmer MS-250.4 Brush Cutter MOUNTING OF HANDLE For machines with U Handle models For machines with Loop Handle Be sure to use genuine DOLMAR cutter blades or nylon cutting head. For MS-250.4 MOUNTING OF PROTECTOR MOUNTING OF CUTTER BLADE OR NYLON CUTTER HEAD For MS-250.4, MS-251.4 For MS-250.4 with the hex wrench still in place. Mounting of nylon cutting head Inspection and Refill of Engine Oil BEFORE START OF OPERATION 12 REFUELING WARNING: INFLAMMABLES STRICTLY PROHIBITED CORRECT HANDLING OF MACHINE Attachment of shoulder strap Hanger Detachment POINTS IN OPERATION AND HOW TO STOP For machine with U Handle or Loop Handle Caution during operation: B: Startup after warm-up operation Attention in Operation STOPPING RESHARPENING THE CUTTING TOOL NYLON CUTTING HEAD Operation Replacing the nylon cord REPLACEMENT OF ENGINE OIL SERVICING INSTRUCTIONS Daily checkup and maintenance POINTS ON OIL CLEANING OF AIR CLEANER DANGER: INFLAMMABLES STRICTLY PROHIBITED Points in Handling Air Cleaner Element 19 CLEANING OF FUEL FILTER WARNING: INFLAMMABLES STRICTLY PROHIBITED Suction head in the fuel tank REPLACEMENT OF FUEL PIPE CAUTION: INFLAMMABLES STRICTLY PROHIBITED STORAGE Fault location WARNING: When draining the fuel, be sure to stop the engine and confirm that the engine cools down. Attention after long-time storage Page TROUBLESHOOTING EMISSION COMPLIANCE PERIOD AIR INDEX CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS MANUFACTURER'S WARRANTY COVERAGE: OWNER'S WARRANTY RESPONSIBILITIES: LIMITED WARRANTY on Emission Control Systems - California Only - A. WARANTY COMMENCEMENT DATE B. LENGTH OF COVERAGE C. WHAT IS COVERED: F. WHERE TO GET WARRANTY SERVICE G. MAINTENANCE, REPLACEMENT AND REPAIR OF EMISSION-RELATED PARTS H. PARTS COVERED UNDER THE CALIFORNIA EMISSION WARRANTY I. MAINTENANCE STATEMENTS REPAIR AND REPLACEMENT OF EMISSION-RELATED PARTS HOW TO FILE A WARRANTY CLAIM AND WHERE TO GET WARRANTY SERVICES FEDERAL EMISSION COMPONENT DEFECT WARRANTY EMISSION COMPONENT DEFECT WARRANTY PERIOD PARTS COVERED OBTAINING WARRANTY SERVICE WHAT IS NOT COVERED OWNER'S WARRANTY RESPONSIBILITIES THINGS YOU SHOULD KNOW ABOUT THE EMISSION CONTROLL SYSTEM WARRANTY MAINTENANCE AND REPAIRS HOW TO MAKE A CLAIM SYMBOLES Instructions gnrales (6) Utilisation spciale de la machine quipement personnel de protection (1) (4) (5) (3) Ravitaillement es 3 mt r Mthode d'utilisation Effet de retour Prvention contre leffet de retour Observer les points suivants pour viter leffet de retour: Outils de coupe Instructions de maintenance DECLARATION DE CONFORMITE CE 36 CARACTERISTIQUES TECHNIQUES MS-250.4, MS-251.4 MS-251.4 MS-250.4 Modle Page Pour les modles polgne en U Machines poigne simple MONTAGE DE LA POIGN E Utiliser seulement une lame de coupe ou une tte de coupe fil DOLMAR. (1) (3)(4) Pour MS-250.4 Pour MS-250.4, MS-251.4 Pour MS-250.4 avec cl hexgonale tant toujours en place. Montage du dispositif de coupe fil MONTAGE DE LA LAME DE COUPE OU DE LA T AVANT MISE EN MARCHE 41 CONTROLE ET RAVITAILLEMENT DE LHUILE MOTEUR 42 RAVITAILLEMENT Manipulation du carburant Dure de stockage du carburant ENTREPSAGE DE LAPPAREIL ET DU RSERVOIR DE RAVITALLEMENT MANIPULATION CORRECTE DE LA MACHINE CONSIGNES DE MISE EN MARCHE ET ARRT DE LA MACHINE Pour les machines poigne en U ou en Boucle OUVRIR Consignes de scurit lors du fonctionnement: R AFF TAGE DE L'OUTIL DE COUPE Tte de coupe fil en nylon Contrle et oprations de maintenance rguliers REMPLACEMENT DE LHUILE A MOTEUR INSTRUCTIONS RELATIVES AUX RPARATIONS NETTOYAGE DU FILTRE A AIR 49 GRAISSAGE DU CARTER DENGRENAGE NETTOYAGE DU FILTRE A CARBURANT Avertissement : Produit inflammable Intervalle de nettoyage et contrle : Mensuel (toutes les 50 heures de marche) Tte d'aspiration dans le rservoir de carburant Attention aprs entreposage de longue dure Localisation des dfauts REMISAGE Page DEPANNAGE Lista de contenidos Pgina SIMBOLOS I O INSTRUCCIONES DE SEGURIDAD Instrucciones generales Equipo Personal de Proteccin Puesta en Marcha de la Desbrozadora/Cortabordes 3 metros Reabastecimiento Mtodo de trabajo Contragolpe Prevencin del Contragolpe (culatazo) Para evitar el contragolpe(culatazo), observar lo siguiente: Herramientas de Corte Cabezal de Nylon: Declaracin de conformidad de la Unin Eur opea (EU) DATOS TCNICOS MS-250.4, MS-251.41 MS-251.4 MS-250.4 Modelo DENOMINACIN DE PARTES MS-251.41 Cortabordes MS-250.4 Desbrozadora MONTAJE DEL MANILLAR Para mquinas con manillar en U: Para mquinas con manillar en bucle MONTAJE DEL PROTECTOR Asegrese que se utilizan hojas de corte o cabezales de Nylon DOLMAR. MS-251.4 Para MS-250.4 Para MS-250.4, MS-251.4 MONTAJE DE LA HOJA DE CORTE O CABEZAL DE CORTE DE NYLON Para MS-250.4, MS-251.4 Para MS-250.4 with the hex wrench still in place. Montaje de la cabeza de corte de nylon INSPECCIN Y REABASTECIMIENTO DE ACEITE DE MOTOR ANTES EMPEZAR EL TRABAJO 64 Punto 2 de reabastecimiento de aceite: Cuando se derrame aceite AVISO: LOS ARTCULOS INFLAMABLES ESTN ESTRICTAMENTE PROHIBIDOS REABASTECIMIENTO DE COMBUSTIBLE Manipulacin del combustible Perodo de almacenamiento del combustible Puntos relacionados con el combustible Reabastecimiento USO CORRECTO DE LA MQUINA Colocaln de la correa para el hombro. PUNTOS RELACIONADOS CON EL MANEJO Y LA PARADA Separacin ARRANQUE Mquina con manillar U bucle Precauciones durante la operacin: B: Arrancar despus de la operacin de calentamiento Cuidado en la operacin Paro AFILAR LA HERRAMIENTA DE CORTE CABEZAL DE NYLON Operacin Sustitucin del cabezal de Nylon CAMBIO DEL ACEITE DEL MOTOR INSTRUCCIONES DE SERVICIO Comprobacin y mantenimiento diarios PUNTOS RELACIONADOS CON EL ACEITE LIMPIEZA DEL DEPURADOR DE AIRE Manipulacin del elemento del filtro de aire LIMPIEZA DEL FILTRO DE COMBUSTIBLE ADVERTENCIA: LOS ARTCULOS INFLAMABLES ESTN ESTRICTAMENTE PROHIBIDOS Cabezal de succin en el tanque de combustible CAMBIO DE LA TUBERA DE COMBUSTIBLE PRECAUCIN: LOS ARTCULOS INFLAMABLES ESTN ESTRICTAMENTE PROHIBIDOS ALMACENAMIENTO Localizacion de averias Atencin despus de almacenamiento de largo tirmpo Page IINVESTIGACIN DE AVERAS