Zenoah G621AVS manual Sawing, Guard Against Kickback F9-1

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F9-1

English

9. Sawing

WARNING

•Before proceeding to your job, read "For Safe Operation" section It is recommended to first practice sawing easy logs. This also helps you get accustomed to your unit.

•Always follow the safety regulations. The chain saw must only be used for cutting wood. It is forbidden to cut other types of material. Vibrations and kickback vary with different materials and the requirements of the safety regulations would not be respected. Do not use the chain saw as a lever for lifting, moving or splitting objects. Do not lock it over fixed stands. It is forbidden to hitch tools or applications to the P.t.o. that are not specified by the manufacturer.

•It is not necessary to force the saw into the cut. Apply only light pressure while running the engine at full throttle.

•When the saw chain is caught in the cut, do not attempt to pull it out by force, but use a wedge or a lever to open the way.

■GUARD AGAINST KICKBACK (F9-1)

•This saw is equipped with a chain brake that will stop the chain in the event of kickback if operating properly. You must check the chain brake operation before each usage by running the saw at full the throttle for 1 - 2 seconds and pushing the front hand guard forward. The chain should stop immediately with the engine at full speed. If the chain is slow to stop or does not stop, replace the brake band and clutch drum before use.

•It is extremely important that the chain brake be checked for proper operation before each use and that the chain be sharp in order to maintain the kickback safety level of this saw. Removal of the safety devices, inadequate maintenance, or incorrect replacement of the bar or chain may increase the risk ot serious personal injury due to kickback.

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Contents G621AVS Contents Tables des matieres Contenido Differents Types D’AVERTISSEMENT DE CE Mode D’EMPLOIAdvertencias Contenidas EN EL Manual G621AVS Power unit SpecificationsParts location Especificaciohes Emplacement des pieces Situación de las piezasFiche technique G621AVS Groupe moteurUse the chain saw with two hands Read operators instruction book beforeOperating this machine Read, understand and follow all warningsSujete siempre la motosierra con ambas manos Symbols on the machine Emission ControlInformation du moteur importante Control de emisionesFor safe operation Consignes de securite Instrucciones de seguridad For safe operation Consignes de securite Instrucciones de seguridad Kickback Safety Precautions for Chain SAW Users Consignes de securite Instrucciones de seguridad For safe operation Consignes de securite Instrucciones de seguridad Chain cover Tensioner nut Installing guide bar and saw chainF6-1 F6-2 F6-3 Moving DirectionDesserrer Serre Carter de chaîne Ecrou de tendeurSens de rotation Cubierta de la cadena Tuerca del tensorFuel and chain oil When using RedMax/ZENOAH genuine oilRecommended Mixing Ratio Gasoline 50OIL Proporción DE LA Mezcla Recomendada Gasolina 50 Aceite Rapport DE Melange Recommande Essence 50 HuileLors de l’utilisation de la véritable huile RedMax/ZENOAH Al utilizar el aceite auténtico de RedMax/ZENOAHHOW to MIX Fuel Fueling the UnitRemplissage DU Reservoir Comment Obtenir UN BON Melange Como Mezclar EL CombustibleAbastecimiento DE LA Unidad For Your Engine LIFE, Avoid Chain OILPara Contribuir a LA Vida Útil DEL MOTOR, Evite Eviter Pour Prolonger LA Duree DE VIE DU MoteurHuile Pour Chaîne Aceite Para LA Cadena F8-1 F8-2 F8-3 F8-4 F8-5 OperationStarting Engine Arranque Démarrage DU MoteurAceite para la cadena Combustible Interruptor Cierre Adjusting Carburetor F8-8 Checking OIL SupplyRéglage DU Carburateur F8-8 Ajuste DEL Carburador F8-8 Icing Prevention System ANTI-FREEZE PartsPieces ANTI-GEL Dispositif DE Prévention Contre LA CongélationPiezas Anticongelante Chain Brake How to confirmF8-12 F8-13 F8-14 Front handle Released Braking Brake leverArrêt DU Moteur Apagado DEL MotorSawing Guard Against Kickback F9-1Mesures DE Protection Contre LES Rebonds F9-1 Protección Contra Contragolpe F9-1Felling a Tree F9-2 Travail à la tronçonneuse Utilización de la motosierra Abattage D’UN Arbre F9-2 Talado DE Árboles F9-2Log hanging off the ground F9-4 Log lying on the ground F9-3Cutting Limb of Fallen Tree F9-5 Ebranchage d’un arbre abattu F9-5 Tronc reposant sur le sol F9-3Tronc en surélévation F9-4 Elagage d’un arbre F9-6Oiling port MaintenanceMaintenance After Each USE Oiling port Guide barEntretien Apres Chaque Utilisation Mantenimiento Después DE Cada USOCylinder fins Periodical Service PointsFuel filter Entretien Periodique Puntos DE Servicio PeríodicoSpark arrester Replacement plug Champion RCJ-7Y or NGK BPM7A SprocketSpark plug Front and Rear dampersPare-étincelles BougieBujía ParachispasMaintenance of Saw Chain and Guide Bar SAW ChainMéthode et critères d’affûtage Porter des gants de sécurité Avant l’affûtageGB BAR Guide BAROregon BAR Oregon ChainBarra Oregon GUIDE-CHAÎNEBarra Guía Barra GBCase 2. Lack of power/Poor acceleration/ Rough Idling Troubleshooting GuideCase 3. Oil does not come out Cas 1. Défaut de démarrage Guide de dépannage12. Guía para la localización de averías Caso 1. Falla de arranqueRangement StorageDisposal Mise au rebutG621AVS NotaFig.A-1 Power Unit G621AVS Fig.A-2 Power Unit RCJ7Y Fig.B Carbburetor Fig.D Cutting Head Chain Saws Limited Warranty Garantie limitée des tronçonneuses Garantía Limitada DE LAS Motosierras Page Zenoah AMERICA, INC

G621AVS specifications

The Zenoah G621AVS is a powerful and reliable two-stroke engine designed for a wide range of applications, particularly in the realm of remote-controlled (RC) models and outdoor power equipment. Recognized for its blend of performance, efficiency, and durability, the G621AVS is a popular choice among hobbyists and professionals alike.

One of the standout features of the G621AVS is its displacement of 62cc, which provides a significant power output, making it suitable for various applications including RC helicopters, airplanes, and large-scale gardening equipment. This engine is engineered with a parallel twin-cylinder configuration, allowing for improved torque and smoother operation, which enhances overall performance and responsiveness.

The G621AVS utilizes advanced anti-vibration systems to reduce operational vibrations. This technology ensures user comfort and improves the longevity of the engine components by minimizing wear and tear caused by excessive vibrations. Consequently, operators can enjoy extended periods of use without fatigue, whether they are flying an RC aircraft or operating gardening tools.

Zenoah has also implemented a sophisticated carburetor system in the G621AVS, optimizing fuel efficiency while ensuring high performance. The engine is designed to deliver a stable fuel-air mixture, allowing for consistent power output and reliable starts. This results in lower fuel consumption, which is not only cost-effective but also environmentally friendly, reducing emissions without sacrificing performance.

Another characteristic of the G621AVS is its robust construction. Built with high-quality materials, the engine is designed to withstand harsh operating conditions. The durable design prolongs the lifespan of the engine, giving users confidence in their investment while ensuring dependable operation in various environments.

Easy maintenance is another key feature of the G621AVS. The engine is designed for straightforward access to components, making regular maintenance tasks less time-consuming and more accessible for users. Zenoah provides comprehensive support and resources, ensuring users can efficiently maintain high performance over the life of the engine.

In conclusion, the Zenoah G621AVS stands out in the competitive landscape of two-stroke engines, thanks to its powerful output, advanced technologies, and user-friendly features. Whether used in RC hobbies or professional applications, this engine promises reliability and efficiency, making it a top choice for those seeking performance and durability.
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