Dolmar PE-251 instruction manual Checking the spark plug, Supply of grease to gear case

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Checking the spark plug

– Only use the supplied universal wrench to remove or to install the spark plug.

– The gap between the two electrodes of the spark plug should be 0.6-0.7mm (0.024”-0.028”). If the gap is too wide or too narrow, adjust it. If the spark plug is clogged with carton or fouled, clean it thoroubhly or replace it.

CAUTION : Never touch the spark plug connector while the engine is running (danger of high voltage electric shock).

0.6mm-0.7mm (0.024”-0.028”)

Supply of grease to gear case

– Supply grease (Shell Alvania 3 or equivalent) to the gear case through the grease hole every 30 hours. (Genuine DOLMAR grease may be purchased from your DOLMAR dealer.)

Supply of grease to flexible shaft

– Pull the flexible shaft out of the drive shaft and apply grease (Shell alvania

Grease hole

No.2 or equivarent) to the flexible shaft every 10 hours.

 

Suction head in the fuel tank

–The fuel filler (5) of the suction head is used to filler the fuel required by the carburetor.

–A periodical visual inspection of the fuel filter is to be conducted. For that purpose open the tank cap, use a wire hook and pull out the suction head through the tank opening. Filters found to have hardened, been polluted or clogged up are to be replaced.

–Insufficient fuel supply can result in the admissible maximum speed being exceeded. It is therefore important to replace the fuel filter at least quarterly to ensure satisfactory fuel supply to the carburetor.

Cleaning of muffler exhaust port

–Check of muffler exhaust port (6) regularly.

–If it is clogged by carbon deposits, carefully scratch the deposits out with a suitable tool.

Any maintenance of adjustment work that is not included and described in this manual is only to be performed by Authorized Service Agents.

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Contents PE-251 Symbols EnglishIntended use of the machine Safety InstructionsGeneral Instructions Personal protective equipmentRefuelling Method of operation Maintenance instructionsWhen asking for help, please give the following information Cutting BladeTechnical Data PE-251 ModelDesignation of Parts Designation of PartsConnection of the switch cord Assembly of Engine and ShaftHow to mount the control cable Mounting of Deflector Mounting of HandleMounting of Wheel Fuel and oil mixture FUELS/REFUELLINGHandling fuel Attachment of shoulder strap Points in Operation and HOW to StopCorrect Handling of Machine DetachmentAdjustment of LOW-SPEED Rotation Idling StoppingServicing Instructions Daily checkup and maintenanceCleaning of air cleaner Servicing InstructionsSupply of grease to gear case Cleaning of muffler exhaust portChecking the spark plug Supply of grease to flexible shaftStorage Maintenance scheduleFault location Federal Emission Component Defect Warranty Obtaining Warranty Service HOW to Make a Claim Symboles FrançaisUtilisation spéciale de la machine Consignes DE SécuritéInstructions générales Équipement personnel de protectionRavitaillement MètresLame de coupe Instructions de maintenanceMéthode d’utilisation Premier secourCaracteristiques Techniques PE-251 PE-251Nomenclature DES Pièces Raccordement de la corde d’interrupteur Montage du câble de commandeAssemblage DU Moteur ET DE L’ARBRE Montage DU Déflecteur Montage DE LA PoignéeMontage DU Volant CARBURANTS/RAVITAILLEMENT Fixation du harnais Manipulation Correcte DE LA MachineConsignes DE Mise EN Marche ET Arrêt DE LA Machine RetraitArrêt Reglage DE LA Marche a Petite Vitesse AU RalentiInstructions Relatives AUX Réparations Contrôle et opérations de maintenance réguliersInstructions Relatives AUX Réparations Nettoyage du filtre à airTête daspiration dans le réservoir de carburant Contôle de la bougie dallumageGraissage du carter de la boîte de vitesse Nettoyage de lorifice du pot déchappementLocalisation des défauts Plan de maintenanceRemisage Simbolos Lista de contenidos PáginaUso recomendado de la máquina Instrucciones DE SeguridadInstrucciones generales Equipo Personal de ProtecciónReabastecimiento Instrucciones de mantenimiento Método de trabajoCuchilla de corte Nunca rectificar o soldar las herramientas de corte dañadasDatos Técnicos PE-251 ModeloDenominación DE Partes Denominacion DE PartesEmpalme del cordón del interruptor Montaje DE Motor Y EJEMontaje del cable de control Montaje DEL Desviador Montaje DEL ManillarMontaje DE LA Rueda COMBUSTIBLES/REABASTECIMIENTO Colocación de la correa para el hombro USO Correcto DE LA MáquinaPuntos Relacionados CON EL Manejo Y LA Parada SeparaciónParo Ajuste DEL Giro a Baja Velocidad RalentíLimpieza del filtro de aire Instrucciones DE ServicioInstrucciones DE Servicio Cabezal de succión en el tanque de combustible Comprobación de la BujíaSuministro de grasa a la caja de engranajes Limpieza del orificio de salida del silenciadorAlmacenamiento Page PO Box Alpharetta

PE-251 specifications

The Dolmar PE-251 is a versatile and powerful chainsaw designed for both professional and amateur use. Known for its reliability and robustness, this chainsaw is particularly well-suited for light to medium-duty tasks, making it an excellent choice for homeowners, gardeners, and small-scale forestry operations.

One of the standout features of the Dolmar PE-251 is its lightweight design, which enhances maneuverability and reduces user fatigue. Weighing in at just around 5.5 kg, it enables longer operating periods without compromising performance. The engine, with a displacement of 25.4 cc, delivers a high power-to-weight ratio, ensuring that users can tackle a range of cutting tasks, from trimming branches to felling smaller trees.

The Dolmar PE-251 is equipped with an advanced 2-stroke engine that not only provides exceptional power but also features low emissions, aligning with contemporary environmental standards. This technology ensures that users can work efficiently without contributing excessively to air pollution. The engine operates smoothly, thanks to a well-designed intake and exhaust system that optimizes fuel and air flow.

Another significant characteristic of the PE-251 is its easy-start mechanism, which features a primer bulb and a precision-engineered recoil starter. This technology reduces the effort required for starting the machine, allowing users to get to work quickly. Additionally, the chainsaw incorporates an adjustable oil pump that allows for accurate lubrication of the chain, enhancing performance and prolonging the life of the saw.

Safety is a priority with the Dolmar PE-251, evident in its built-in safety features. The chainsaw includes a chain brake, which can be activated instantly to stop the chain in case of kickback, a common hazard during cutting tasks. Furthermore, the handle is ergonomically designed for a comfortable grip, providing better control and reducing the risk of accidents.

In conclusion, the Dolmar PE-251 is an excellent choice for users seeking a reliable, lightweight chainsaw with innovative features that enhance performance and safety. Whether for maintaining a garden, undertaking landscaping projects, or dealing with storm damage, this chainsaw delivers efficiency and ease of use, making it a valuable addition to any toolkit.
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