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19

REPLACEMENT OF ENGINE OIL 

Deteriorated engine oil will shorten the life of the sliding and rotating parts to a great extent. Be sure to check the period and quantity of 

replacement.

ATTENTION:  In general, the engine main unit and engine oil still remain hot just after the engine is stopped. In replacement of oil, 

confirm that the engine main unit and engine oil are sufficiently cooled down. Otherwise, there may remain a risk of 

scald.

Note: If the oil filled above the limit, it may be contaminated or may catch fire with white smoke.

Interval of replacement:

  Initially, every 20 operating hours, and subsequently every 50 operating hours

Recommended oil:

  

SAE10W-30 oil of API Classification SF Class or higher (4-stroke engine oil for automobile)

–  Align the protrusion on the underside of the cover with the slots of the 

eyelets. 

Then push cover firmly onto the housing to secure it.

Cover

Protrusion

Slot of eyelet

In replacement, perform the following procedure.

1)   Confirm that the tank cap is tightened securely. 
2)   Detach the oil gauge.  

Keep the oil gauge free from dust or dirt.

Fuel tank cap

Oil gauge

CAUTION:   Before doing any work on the Petrol Brushcutter, always stop the engine and pull the plug cap off the spark plug (see “checking the 

spark plug”). 

Always wear protective gloves!

To ensure a long service life and to avoid any damage to the equipment, the following servicing operations should be performed at regular 

intervals.

Daily checkup and maintenance

–  Before operation, check the machine for loose screws or missing parts. Pay particular attention to the tightness of the cutter blade or nylon 

cutting head.

–  Before operation, always check for clogging of the cooling air passage and the cylinder fins. 

Clean them if necessary.

–  Perform the following work daily after use:

•  Clean the Petrol Brushcutter externally and inspect for damage.
•  Clean the air filter. When working under extremely dusty conditions, clean the filter the severall times a day.
•  Check the blade or the nylon cutting head for damage and make sure it is firmly mounted.
•  Check that there is sufficient difference between idling and engagement speed to ensure that the cutting tool is at a standstill while the 

engine is idling (if necessary reduce idling speed). 

If under idling conditions the tool should still continue to run, consult your nearest Authorized Service Agent.

–  Check the functioning of the I-O switch, the lock-off lever, the control lever, and the look button.

SERVICING INSTRUCTIONS

Summary of Contents for EBH252U

Page 1: ...r into operation and strictly observe the safety regulations Preserve instruction manual carefully Important Lisez attentivement ce manuel d instructions avant d utiliser la d broussailleuse thermique...

Page 2: ...blade or nylon cutting head 12 Before start of operation 13 Correct handling of machine 15 Points in operation and how to stop 15 Resharpening the cutting tool 17 Servicing instructions 19 Storage 22...

Page 3: ...d with bushes or shrubs In order to avoid either head eye hand or foot injuries as well as to protect your hearing the following protective equipment and protective clothing must be used during operat...

Page 4: ...guard All protective installations and guards supplied with the machine must be used during operation Never operate the engine with faulty exhaust muffler Shut off the engine during transport During t...

Page 5: ...t great force with the risk of injuries Kickback prevention To avoid kickbacks observe the following Operation within a blade segment between 12 and 2 o clock presents positive hazards especially when...

Page 6: ...vant trade associations and by the insurance companies Do not perform any modifications on the Petrol Brushcutter as this will endanger your safety The performance of maintenance or repair work by the...

Page 7: ...mmended max spindle speed min 1 8 500 Maximum spindle speed corresponding min 1 6 500 Maximum fuel consumption kg h 0 33 Maximum specific fuel consumption g kwh 408 Idling speed min 1 3 000 Carburetor...

Page 8: ...mmended max spindle speed min 1 8 500 Maximum spindle speed corresponding min 1 6 500 Maximum fuel consumption kg h 0 33 Maximum specific fuel consumption g kwh 408 Idling speed min 1 3 000 Carburetor...

Page 9: ...er 3 Air cleaner 4 I O switch on off 5 Spark plug 6 Exhaust muffler 7 Clutch case 8 Rear grip 9 Hanger 10 Handle 11 Control lever 12 Control cable 13 Shaft 14 Protector 15 Gear Case Head case 16 Handl...

Page 10: ...nd handle holder 3 Adjust handle 4 to an angle that provides a comfortable working position and then secure by firmly hand tightening knob 1 CAUTION Do not forget to mount spring 5 MOUNTING OF HANDLE...

Page 11: ...diameter Metal blade Protector for metal blades Nylon cutting head Protector for nylon cutting head 3 2 1 MOUNTING OF PROTECTOR In use of the metal blade fix the protector 3 to the clamp 2 with two b...

Page 12: ...sher 3 cup 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 c...

Page 13: ...pright oil may go into around the engine and may be refilled excessively If the oil is filled above the limit the oil may be contaminated or may catch fire with white smoke Point 1 in Replacement of o...

Page 14: ...by tilting the fuel tank so that the refuel port will be oriented upward Never refill fuel full to the oil refill port Wipe well the periphery of the tank cap to prevent foreign matter from entering i...

Page 15: ...H253L In an emergency push the notches 1 at both sides and you can detach the machine from you Be extremely careful to maintain control of the machine at this time Do not allow the machine to be defle...

Page 16: ...d of 6 000 8 500 min 1 OPEN CLOSE Carburetor Primer Pump 4 Primer pump Continue to push the primer pump until fuel enters into the primer pump In general fuel enters into the primer pump by 7 to 10 pu...

Page 17: ...adjusting screw illustrated on the right with Phillips screwdriver Turn the adjusting screw to the right and the engine rotation will increase Turn the adjusting screw to the left and the engine rotat...

Page 18: ...st the ground to feed out the nylon cord 3 If the nylon cord does not feed out with procedure 2 rewind replace the nylon cord by following the procedures described under Replacing the nylon cord Most...

Page 19: ...on the Petrol Brushcutter always stop the engine and pull the plug cap off the spark plug see checking the spark plug Always wear protective gloves To ensure a long service life and to avoid any dama...

Page 20: ...nd remove the element felt Plate Element sponge Air cleaner cover Fixing bolt Element felt Breather Part Waste or paper 3 Place waste or paper near the oil refill port POINTS ON OIL Never discard repl...

Page 21: ...OF BOLTS NUTS AND SCREWS Retighten loose bolts nuts etc Check for fuel and oil leakage Replace damaged parts with new ones for safety operation CLEANING OF PARTS Keep the engine always clean Keep the...

Page 22: ...with the cutter blade edge oriented downward Lubricating oil may spill out Keep the drained fuel in a special container in a well ventilated shade Drain fuel Humidity STORAGE Attention after long tim...

Page 23: ...s ponding P Engine oil Inspect clean 13 Replace 1 19 Tightening parts bolt nut Inspect 21 Fuel tank Clean inspect Drain fuel 3 22 Throttle lever Check function Stop switch Check function 17 Cutting bl...

Page 24: ...rk plug Replace Abnormal carburetor Make request for inspection and maintenance Starter rope cannot be pulled Make request for inspection and maintenance Abnormal drive system Make request for inspect...

Page 25: ...raph on the hang tag shows the emissions performance of this engine The bar graph can be used to compare the emissions performance with other available engine The lower the Air Index the less pollutio...

Page 26: ...nc recommends that you retain all receipts covering maintenance on your small off road engine but Makita USA Inc cannot deny warranty solely for the lack of receipts or your failure to ensure the perf...

Page 27: ...rranty services or repairs must be provided at all manufacturer distribution centers that are franchised to service the subject engines 6 The owner must not be charged for diagnostic labor that leads...

Page 28: ...7 and later Owner s Manual The scheduled maintenance below is based on the normal engine operating schedule PROCEDURE INTERVAL 1 Clean engine and check bolts and nuts Retighten if necessary Every 8 ho...

Page 29: ...ent necessary to ensure that the engine complies with applicable U S EPA regulations EMISSION COMPONENT DEFECT WARRANTY PERIOD The warranty period for this engine begins on the date of sale to the ini...

Page 30: ...Y RESPONSIBILITIES As the engine owner you are responsible for the performance of the required maintenance listed in your owner s manual Makita recommends that you retain all receipts covering mainten...

Page 31: ...f other than the parts authorized by Makita are used for maintenance replacements or for the repair of components affecting emission control you should assure yourself that such parts are warranted by...

Page 32: ...45 Remarques concernant le fonctionnement et l arr t de la machine 45 R aff tage de l outil de coupe 47 Instructions d entretien 49 Entreposage 52 Faites particuli rement attention Lisez le manuel d...

Page 33: ...s ou les arbustes Afin d viter les blessures la t te aux yeux aux mains ou aux pieds et de prot ger votre audition vous devez porter l quipement et les v tements de protection indiqu s ci contre lorsq...

Page 34: ...u fonctionnement Ne faites jamais tourner le moteur avec un silencieux d chappement d fectueux Coupez le moteur durant le transport Pour un transport sur de longues distances les protections d outils...

Page 35: ...tre de plus de 3 cm sans quoi la d broussailleuse thermique essence serait violemment d tourn e et vous risqueriez de vous blesser Pr vention des mouvements de recul Afin d viter les mouvements de rec...

Page 36: ...ar les associations professionnelles ainsi que par les compagnies d assurance concern es Ne modifiez rien sur la d broussailleuse thermique cela pourrait compromettre votre s curit L entretien ou les...

Page 37: ...esse de broche maximale correspondante min 1 6 500 Consommation d essence maximale kg h 0 33 Consommation d essence sp cifique maximale g kwh 408 Vitesse au ralenti min 1 3 000 Carburateur type WALBRO...

Page 38: ...esse de broche maximale correspondante min 1 6 500 Consommation d essence maximale kg h 0 33 Consommation d essence sp cifique maximale g kwh 408 Vitesse au ralenti min 1 3 000 Carburateur type WALBRO...

Page 39: ...ugie d allumage 6 Silencieux d chappement 7 Carter d embrayage 8 Poign e arri re 9 trier de fixation 10 Poign e 11 Levier de commande 12 C ble de commande 13 Axe 14 Protecteur 15 Carter d engrenage Ca...

Page 40: ...ge 2 et le support 3 R glez le guidon 4 un angle qui permet une position de travail confortable et fixez le solidement en serrant la molette 1 la main ATTENTION N oubliez pas de monter le ressort 5 MO...

Page 41: ...e diam tre ext rieur Lame m tallique Protecteur pour lames m talliques T te fils nylon Protecteur pour t te fils nylon 3 2 1 3 4 MONTAGE DU PROTECTEUR Si vous utilisez une lame m tallique fixez le pro...

Page 42: ...ez la lame de coupe l aide de l crou 1 Couple de serrage 13 23 N m REMARQUE Portez toujours des gants lorsque vous manipulez la lame de coupe REMARQUE L crou de fixation de la lame de coupe avec ronde...

Page 43: ...cessiter un nouveau remplissage trop fr quent Si vous mettez trop d huile elle peut tre souill e ou s enflammer en d gageant une fum e blanche Remarque 1 concernant le changement d huile Jauge d huile...

Page 44: ...e de remplissage soit orient vers le haut Ne remplissez jamais ras bord Essuyez bien le pourtour du bouchon du r servoir pour viter que des substances trang res ne p n trent l int rieur du r servoir d...

Page 45: ...s pourrez alors vous lib rer de la machine Veillez garder le contr le de la machine ce moment pr cis Ne laissez pas la machine se retourner vers vous ou vers une personne proche de vous AVERTISSEMENT...

Page 46: ...requise et une vitesse approximative de 6 000 8 500 min 1 OUVRIR FERMER Carburateur Pompe d amor age 4 Pompe d amor age Continuez appuyer sur la pompe d amor age jusqu ce que l essence p n tre l int r...

Page 47: ...ation utilisez la vis de r glage illustration ci contre avec un tournevis cruciforme Pour augmenter la rotation du moteur tournez la vis de r glage vers la droite Pour diminuer la rotation du moteur t...

Page 48: ...de la t te fils nylon contre le sol pour d ployer le fil 3 Si le fil nylon ne se d ploie pas avec la proc dure 2 rembobinez remplacez le en proc dant comme indiqu la section Remplacement du fil nylon...

Page 49: ...V rification de la bougie d allumage Portez toujours des gants de protection Afin de garantir un long d lai entre deux r parations et d viter tout dommage l quipement effectuez r guli rement les proc...

Page 50: ...feutre Plaque l ment ponge Cache du filtre air Boulon de fixation l ment feutre Pi ce du reniflard Chiffon ou papier usag 3 Placez un chiffon ou papier usag pr s de l orifice de remplissage REMARQUES...

Page 51: ...d huile INSPECTION DES BOULONS CROUS ET VIS Resserrez les boulons crous etc desserr s V rifiez d ventuelles fuites d essence et d huile Remplacez les pi ces endommag es pour un fonctionnement en tout...

Page 52: ...lubrifiant Conservez l essence vidang e dans un conteneur sp cial dans un endroit ombrag et bien ventil Vidange de l essence Humidit ENTREPOSAGE Attention apr s un entreposage de longue dur e Avant d...

Page 53: ...49 Serrage des pi ces boulon crou Inspecter 51 R servoir d essence Nettoyer Inspecter Vidange de l essence 3 52 Levier d acc l rateur V rifier fonctionnement Commutateur d arr t V rifier fonctionneme...

Page 54: ...une inspection et un entretien Impossible de tirer la corde du d marreur Demander une inspection et un entretien Anomalie du syst me d entra nement Demander une inspection et un entretien Le moteur s...

Page 55: ...tos en la operaci n y c mo detener la operaci n 68 Reafilado de la pieza de corte 70 Instrucciones de servicio 72 Almacenamiento 75 Tenga particular cuidado y atenci n Lea el manual de instrucciones y...

Page 56: ...podr an enredarse con las ramas o arbustos Para evitar lesiones ya sea en en la cabeza ojos manos o pies as como para proteger su audici n se requiere el uso del siguiente equipo protector y prendas...

Page 57: ...el motor con un mofle de escape defectuoso Apague el motor mientras desplaza la herramienta de un lugar a otro Durante un transporte de la herramienta por grandes distancias se deber usar siempre la...

Page 58: ...un riesgo de lesiones Prevenci n de retrocesos bruscos Para evitar retrocesos brusca siga las siguientes indicaciones La operaci n de la cuchilla cortadora a un ngulo que un reloj se ilustrar a como...

Page 59: ...guna modificaci n sobre la desbrozadora puesto que esto pondr a en riesgo su seguridad La realizaci n de mantenimiento o reparaci n por el usuario se limita a aquellas actividades como aparecen descri...

Page 60: ...el motor a velocidad m xima recomendada del eje min 1 8 500 Velocidad m xima del eje correspondiente min 1 6 500 Consumo espec fico de combustible kg h 0 33 M ximo consumo espec fico de combustible g...

Page 61: ...el motor a velocidad m xima recomendada del eje min 1 8 500 Velocidad m xima del eje correspondiente min 1 6 500 Consumo espec fico de combustible kg h 0 33 M ximo consumo espec fico de combustible g...

Page 62: ...I O on off 5 Buj a de encendido 6 Mofle de escape 7 Carcasa del embrague 8 Empu adura trasera 9 Colgador 10 Mango 11 Palanca de control 12 Cable de control 13 Astil 14 Protector 15 Carcasa del motor...

Page 63: ...sujetador del mango 3 Ajuste el mango 4 a un ngulo que ofrezca una posici n c moda para la operaci n y luego f jelo firmemente apretando la perilla con la mano 1 PRECAUCI N No olvide la colocaci n de...

Page 64: ...otector para cabeza cortadora de nailon nylon 3 2 1 3 4 COLOCACI N DEL PROTECTOR Al usar la cuchilla met lica fije el protector 3 a la prensa 2 con dos pernos M6 x 30 1 NOTA Apriete los pernos izquier...

Page 65: ...adora con la tuerca 1 Torsi n de apretado 13 23 N m NOTA Use siempre guantes al manipular la cuchilla cortadora NOTA La tuerca de sujeci n de la cuchilla cortadora con arandela de resorte es una pieza...

Page 66: ...Si el aceite es suministrado por encima del l mite puede que el aceite est contaminado o que se prenda llama con el humo blanco Punto 1 en el reemplazo del aceite Medidor de aceite Elimine el polvo o...

Page 67: ...de combustible de tal forma que el puerto para resuministro quede orientado hacia arriba Nunca resuministre el combustible a trav s del puerto de resuministro de aceite Limpie bien el borde y alreded...

Page 68: ...las muescas 1 a ambos lados para que el equipo pueda desprenderse de usted Tenga extremo cuidado en mantener control sobre el equipo durante este momento No deje que el equipo se desv e hacia usted ni...

Page 69: ...dad de entre 6 000 y 8 500 min 1 ABIERTO open CERRADO close Carburador Bomba cebadora 4 Bomba cebadora Contin e contin e bombeando el cebador hasta que el combustible ingrese a la bomba en general el...

Page 70: ...d de rotaci n reajuste el tornillo de ajuste que se ilustra a la derecha con un destornillador Phillips de cruz Gire el tornillo de ajuste a la derecha para aumentar la rotaci n del motor Gire el torn...

Page 71: ...e la perilla de la cabeza cortadora de nailon nylon y el suelo hagan contacto entre s para que el cord n reaccione 3 Si el cord n de nailon nylon no reacciona con el procedimiento 2 retracte reemplace...

Page 72: ...tor y quite la buj a de encendido de su enchufe para la buj a consulte revisi n de la buj a de encendido Use siempre guantes protectores Para asegurar un largo tiempo de vida til y evitar da os al equ...

Page 73: ...limpiador de aire Perno de fijaci n Elemento fieltro Pieza de ventilaci n Pa o o toalla de papel 3 Coloque el pa o o toalla de papel cerca del puerto de resuministro de aceite PUNTOS SOBRE EL ACEITE...

Page 74: ...mediatamente INSPECCI N DE PERNOS TUERCAS Y TORNILLOS Reapriete los pernos tuercas etc Verifique si hay fugas de combustible y aceite Reemplace las piezas da adas con refacciones nuevas para una opera...

Page 75: ...erve el combustible drenado en un contenedor especial en un lugar bien ventilado sin exposici n al sol Drenado del combustible Humedad ALMACENTAMIENTO Atenci n tras el almacenamiento a largo plazo Ant...

Page 76: ...72 Apretar de piezas perno tuerca Inspeccionar 74 Tanque del combustible Limpiar inspeccionar Drenar combustible 3 75 Palanca aceleradora Verificar funcionamiento Interruptor Verificar funcionamiento...

Page 77: ...cador no puede jalarse Solicite un servicio de inspecci n y mantenimiento Irregularidad con el sistema de propulsi n Solicite un servicio de inspecci n y mantenimiento El motor se apaga en poco tiempo...

Page 78: ...78...

Page 79: ...79...

Page 80: ...eproductive harm USA solamente ADVERTENCIA Los gases de escape del motor de este producto contienen sustancias qu micas conocidas en el Estado de California como causantes de c ncer defectos gen ticos...

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