Husqvarna 1153136-49 How to avoid kickback, Freeing a tree that has fallen badly

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WORKING TECHNIQUES

Make the felling cut about 3-5 cm (1.5-2 inches) above the bottom directional cut. (81)

Finish the felling cut parallel with the directional cut line so that the distance between them is at least 1/10 of the trunk diameter.The uncut section of the trunk is called the felling hinge.

The felling hinge controls the direction that the tree falls in.

(82)

All control over the felling direction is lost if the felling hinge is too narrow or non-existent, or if the directional cuts and felling cut are badly placed. (83)

When the felling cut and directional cut are complete the tree should start to fall by itself or with the aid of a felling wedge or breaking bar. (84)

We recommend that you use a bar that is longer than the diameter of the tree, so that you can make the felling cut and directional cuts with single cutting strokes. See instructions under the heading Technical data section to find out which lengths of bar are recommended for your saw.

There are methods for felling trees with a diameter larger than the bar length. However these methods involve a much greater risk that the kickback zone of the bar will come into contact with the tree. (4)

Freeing a tree that has fallen badly

Freeing a ”trapped tree”

It is very dangerous to remove a trapped tree and there is high accident risk.

Never try to fell the tree that is trapped.

Never work in the risk zone of the hanging trapped tree.

(85)

The safest method is to use a winch.

Tractor-mounted

Portable

Cutting trees and branches that are in tension

Preparations:Work out which side is in tension and where the point of maximum tension is (i.e. where it would break if it was bent even more). (86)

Decide which is the safest way to release the tension and whether you are able to do it safely. In complicated situations the only safe method is to put aside your chain saw and use a winch.

General advice:

Position yourself so that you will be clear of the tree or branch when the tension is released. (87)

Make one or more cuts at or near the point of maximum tension. Make as many cuts of sufficient depth as necessary to reduce the tension and make the tree or branch break at the point of maximum tension. (88)

Never cut straight through a tree or branch that is in tension!

If you must cut across tree/limb, make two to three cuts, one inch apart, one to two inches deep. (89)

Continue to cut deeper until tree/limb bends and tension is released. (90)

Cut tree/limb from outside the bend, after tension has been released.

How to avoid kickback

WARNING! Kickback can happen very

! suddenly and violently; kicking the chain saw, bar and chain back at the user. If this happens when the chain is moving it can cause very serious, even fatal injuries. It is vital you understand what causes kickback and that you can avoid it by taking care and using the right working technique.

What is kickback?

The word kickback is used to describe the sudden reaction that causes the chain saw and bar to jump off an object when the upper quadrant of the tip of the bar, known as the kickback zone, touches an object. (61)

Kickback always occurs in the cutting plane of the bar. Normally the chain saw and bar are thrown backwards and upwards towards the user. However, the chain saw may move in a different direction depending on the way it was being used when the kickback zone of the bar touched the object. (7)

Kickback only occurs if the kickback zone of the bar touches an object. (4)

Limbing

WARNING! A majority of kickback

! accidents occur during limbing. Do not use the kickback zone of the guide bar. Be extremely cautious and avoid contacting the log, other limbs or objects with the nose of the guide bar. Be extremely cautious of limbs under tension. They can spring back toward you and cause loss of control resulting in injury.

Make sure that you can stand and move about safely. Work on the left side of the trunk. Work as close as possible to the chain saw for maximum control. If possible, let the weight of the chain saw rest on the trunk.

Keep the trunk between you and the chain saw as you move along the trunk.

Cutting the trunk into logs

See instructions under the heading Basic cutting technique.

1153136-49 Rev.2 2010-04-08

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Contents 1153136-49 Rev.2 445 445e 450 450e1153136-49 Rev.2 3839 4243 1153136-49 Rev.2 102 Symbols on the machine and/or in the manual KEY to SymbolsAir purge Adjustment of the oil pump 1153136-49 Rev.2 Canada You will find the following labels on your chain sawContents Introduction What is what on the chain saw?Dear customer Before using a new chain saw General Safety PrecautionsAlways use common sense Machine′s safety equipmentPersonal protective equipment Throttle lockout Chain brake and front hand guardChain catcher Cutting equipment Sharpening your chain and adjusting depth gauge setting Lubricating cutting equipment Tensioning the chainChain drive sprocket Checking chain lubricationNeedle bearing lubrication Checking wear on cutting equipmentFitting the bar and chain Assembly445 445e, 450eFuel Fuel HandlingFueling Fuel safetyTransport and storage Long-term storageStarting and stopping Starting and StoppingStarting StoppingWorking Techniques Basic safety rulesBefore use General working instructionsTerms Basic cutting techniqueLimbing Tree felling technique What is kickback? How to avoid kickbackFreeing a tree that has fallen badly Carburetor adjustment MaintenanceGeneral Starter MufflerReplacing the starter cord Spark plug Air filterLubricating the bar tip sprocket Needle bearing lubricationTemperature -5C 23F or colder Air Injection centrifugal cleaningCooling system Winter useDaily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleMore even wear. Check Technical data Technical DataSaw chain filing and file gauges Bar and chain combinationsRecommended cutting equipment for Canada 050/1,3 mmYour Warranty Rights and Obligations Federal Emission Control Warranty StatementSafety precautions for chain saw users American Standard Safety PrecautionsKickback safety precautions Other safety precautionsSymboles sur la machine et/ou dans le manuel Explication DES SymbolesDécompresseur Le Pompe à carburant Réglage de la pompe à huileEPA Sommaire SommaireConsignes de sécurité pour les utilisateurs de Quels sont les composants de la tronçonneuse? Cher clientAVERTISSEMENT! Ne jamais modifier Instructions Générales DE SécuritéAVERTISSEMENT! Utilisée de manière Équipement de protection personnelle Utilisez toujours votre bon sensFrein de chaîne avec arceau protecteur Équipement de sécurité de la machineCapteur de chaîne Blocage de l’accélérationProtection de la main droite Système anti-vibrationsRègles élémentaires Équipement de coupeÉquipement de coupe anti-rebond Affûtage et réglage de l’épaisseur du copeau de la chaîneGénéralités sur le réglage de l’épaisseur du copeau Tension de la chaîneLibérer le bouton en le dépliant Lubrification de l’équipement de coupeRemplissage d’huile de chaîne Contrôle de la lubrification de la chaîneGraissage du roulement à aiguilles Pignon d’entraînementContrôle de l’usure de l’équipement de coupe AVERTISSEMENT! La plupart desMontage du guide-chaîne et de la chaîne MontageAVERTISSEMENT! Utiliser des gants Pour toute manipulation de la chaîneCarburant Manipulation DU CarburantSécurité carburant Remplissage de carburantTransport et rangement Remisage prolongéDémarrage et arrêt Démarrage ET ArrêtDémarrage Arrêt Avant chaque utilisation Techniques DE TravailMéthodes de travail Règles élémentaires de sécuritéLâcher les poignées Technique de base pour la coupeAVERTISSEMENT! N’utilisez jamais une GénéralitésÉlagage Techniques d’abattageDistance de sécurité Sens d’abattageSolution à un abattage raté Qu’est-ce qu’un rebond? Mesures anti-rebondTronçonnage en rondins Généralités EntretienRéglage du carburateur Silencieux Remplacement de la corde du lanceurLanceur Bougie Filtre à airMise sous tension du ressort Montage du lanceurGraissage du roulement à aiguilles Graissage du pignon d’entraînement du guideSystème de refroidissement Épuration centrifuge Air InjectionEst en bon état, le remplacer si Schéma d’entretien’embrayage Inspecter tous les câbles etCaractéristiques Techniques Équipement de coupe recommandé pour CanadaCaractéristiques techniques Affûtage de la chaîne et gabarits d’affûtage Combinaisons guide-chaîne et chaîneVOS Droits ET Obligations EN Garantie Demande D’INDEMNITÉ Service APRÈS-VENTE Autres consignes de sécurité Précautions à prendre pour se protéger des rebondsAnsi B175.1-2000 Annexe C AVERTISSEMENT! N’utilisez pas unePrécautions Sécuritaires Conformant AUX Normes Américaines Símbolos en la máquina en/o el manual de instrucciones Aclaracion DE LOS SimbolosBomba de combustible Ajuste de la bomba de aceite Etiquetas que se encuentran en la motosierra Índice IndicePrecauciones de seguridad para usuarios de Apreciado cliente Introduccion¿Qué es qué en la motosierra? Medidas a tomar antes de utilizar una motosierra nueva Instrucciones Generales DE SeguridadImportante Equipo de seguridad de la máquina Equipo de protección personalFreno de cadena con protección contra reculadas ¡ATENCION! La mayoría de losCaptor de cadena Fiador del aceleradorProtección de la mano derecha Sistema amortiguador de vibracionesBotón de parada Equipo de corteSilenciador Reglas básicasGeneralidades sobre el afilado de los dientes cortantes CadenaGeneralidades sobre el ajuste de la profundidad de corte Lubricación del equipo de corte Tensado de la cadenaAjuste de la profundidad de corte Repostaje de aceite para cadena de motosierraSi no funciona la lubricación de la cadena Control de la lubricación de la cadenaPiñón de arrastre de la cadena Lubricación del cojinete de agujasMontaje de la espada y la cadena MontajeMontaje del apoyo de corteza ¡ATENCION! Para manipular la cadenaCarburante Manipulacion DEL CombustibleSeguridad en el uso del combustible RepostajeTransporte y almacenamiento Almacenamiento prolongadoArranque y parada Arranque Y ParadaArranque Nunca enrosque el cordón de arranque alrededor de la manoParada Antes de utilizar la máquina Tecnica DE TrabajoInstrucciones generales de trabajo Reglas básicas de seguridadDesignaciones Técnica básica de corteDesramado Técnica de talaDistancia de seguridad Dirección de derriboTratamiento de una tala fallida ¿Qué es la reculada? Medidas preventivas de las reculadasTronzado del tronco Generalidades MantenimientoAjuste del carburador Mecanismo de arranque SilenciadorCambio del cordón de arranque Bujía Filtro de aireEngrase del cabezal de rueda de la espada Sistema refrigerante Lubricación del cojinete de agujasDepuración centrífuga Air Injection Utilización en inviernoCompruebe si están desgastados el Programa de mantenimientoLimpie el filtro de aire. Cámbielo si es Datos técnicos Datos TecnicosAfilado y calibres de afilado de la cadena de sierra Combinaciones de espada y cadenaSUS Derechos Y Obligaciones DE Garantia Garantia DEL Sistema DE Control DE EmisionesLista DE Componentes DE LA Garantia DE Control DE Emisiones Precauciones de seguridad para usuarios de motosierras Precauciones DE Seguridad DE LA Norma AmericanaPrecauciones de seguridad en reculadas Otras precauciones de seguridadPrecauciones DE Seguridad DE LA Norma Americana ´z+U-¶2a¨ ´z+U-¶2a¨

1153136-49 specifications

The Husqvarna 1153136-49 is a reliable and high-performance chainsaw specifically designed for homeowners and occasional users who seek both power and ease of use. Its construction reflects Husqvarna's reputation for quality and innovation, making it a preferred choice among enthusiasts and those needing practical tools for yard and garden maintenance.

One of the standout features of the 1153136-49 is its powerful engine. It is equipped with a sturdy and efficient 50.2cc X-Torq engine, which delivers excellent power output while minimizing fuel consumption and emissions. This means users can enjoy extended operation time with reduced environmental impact, which is increasingly important in today’s eco-conscious world.

The chainsaw boasts an impressive cutting length, making it suitable for a variety of tasks, from pruning branches to cutting firewood. With a bar length of 18 inches, it provides the versatility needed for light to medium-duty jobs, enabling users to tackle projects around their homes and gardens with ease.

Husqvarna has designed the 1153136-49 with user comfort and safety in mind. It features an ergonomic handle with a soft grip that reduces vibrations, allowing for longer periods of use without discomfort. The chainsaw also includes an advanced anti-vibration system, ensuring a smoother operation that minimizes strain on the user’s hands and arms.

Safety is paramount when using a chainsaw, and Husqvarna has integrated several key safety features in the 1153136-49. It comes with a chain brake that stops the chain in case of kickback, as well as low kickback chains that further enhance user safety during operation. The quick-release air filter simplifies maintenance and ensures optimal engine performance.

Another innovative feature is the tool-less chain tensioning system, which allows for easy adjustments on the go, ensuring that the chain remains tight and secure during use. This design not only saves time but also enhances overall safety.

In conclusion, the Husqvarna 1153136-49 is a powerful, efficient, and user-friendly chainsaw packed with features that enhance performance and safety. It is an ideal choice for homeowners and anyone looking to manage their outdoor tasks effectively. With a strong engine, ergonomic design, and safety features, it represents a smart investment for maintaining gardens and outdoor spaces.