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Operator’s manual (EPA II)
455 Rancher 460
Please read the operator’s manual carefully and make sure yo u
understand the instructions before using the machine.
E E E En n n ng g g glllliiiis s s sh h h h
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KEY TO SYMBOLS Refuelling. Key to symbols WARNING! Chain saws can be dangerous! Careless or improper use can result in serious or fatal injury to the operator or Filing with oil and adjusting oil flow. others. Please read the operator’s manual carefully and make sure you understand the The chain brake must be engaged when instructions before using the machine. the chain saw is started. Always wear: • Approved protective helmet • Approved hearing protection • Protective
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CONTENTS Contents KEY TO SYMBOLS Key to symbols ............................................................. 2 CONTENTS Contents ...................................................................... 3 INTRODUCTION Dear customer! ............................................................ 4 WHAT IS WHAT? What is what on the chain saw? .................................. 5 GENERAL SAFETY PRECAUTIONS Before using a new chain saw ...........
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INTRODUCTION Dear customer! Congratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689, when the Swedish King Karl XI ordered the construction of a factory on the banks of the Huskvarna River, for production of muskets. The location was logical, since water power was harnessed from the Huskvarna River to create the water-powered plant. During over 300 years of continuous operation, the Husqvarna factory has produced a lo
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WHAT IS WHAT? 1 29 2 3 4 30 10 5 14 11 12 13 8 6 9 7 15 16 26 27 25 24 23 22 21 20 19 18 17 28 What is what on the chain saw? 1 Cylinder cover 16 Bar tip sprocket 2 Starter handle 17 Chain 3 Air purge 18 Bar 4 Stop switch (Ignition on/off switch.) 19 Bumper spike 5 Rear handle 20 Chain tensioning screw 6 Choke control/Start throttle lock 21 Chain catcher 7 Fuel tank 22 Oil pump adjustment screw 8 Adjuster screws carburetor 23 Clutch cover 9 Starter 24 Right hand guard 10 Chain oil ta
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GENERAL SAFETY PRECAUTIONS Before using a new chain saw Important • Please read this manual carefully. IMPORTANT! • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly. The machine is only designed for cutting wood. • Refuel and start the chain saw. See the instructions under You should only use the saw with the bar and chain the headings Fuel Handling and Starting and Stopping. combinations we recommend in t
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GENERAL SAFETY PRECAUTIONS chain saw usage if possible. Your dealer, forestry school or Generally clothes should be close-fitting without restricting your library can provide information about which training your freedom of movement. materials and courses are available. IMPORTANT! Sparks can come from the muffler, the bar and chain or other sources. Always have fire extinguishing tools available if you should need them. Help prevent forest fires. ′′ Machine′′s safety
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GENERAL SAFETY PRECAUTIONS • This movement activates a spring-loaded mechanism that • Kickback can be very sudden and violent. Most kickbacks tightens the brake band (C) around the engine drive are minor and do not always activate the chain brake. If system (D) (clutch drum). this happens you should hold the chain saw firmly and not let go. • The way the chain brake is activated, either manually or automatically by the inertia release mechanism, depends on the force of the kickback a
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GENERAL SAFETY PRECAUTIONS Will my hand always activate the chain Chain catcher brake during a kickback? The chain catcher is designed to catch the chain if it snaps or jumps off. This should not happen if the chain is properly No. It takes a certain force to move the hand guard forward. If tensioned (see instructions under the heading Assembly) and your hand only lightly touches the front guard or slips over it, if the bar and chain are properly serviced and maintained the forc
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GENERAL SAFETY PRECAUTIONS Cutting hardwoods (most broadleaf trees) creates more WARNING! Never use a saw without a vibration than cutting softwoods (most conifers). Cutting with muffler, or with a damaged muffler. A cutting equipment that is blunt or faulty (wrong type or badly ! damaged muffler may substantially increase sharpened) will increase the vibration level. the noise level and the fire hazard. Keep fire fighting equipment handy. If a spark arrestor screen is required in your area, n
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GENERAL SAFETY PRECAUTIONS • Bar groove width (inches/mm). The groove in the bar must Cutting equipment designed to reduce match the width of the chain drive links. kickback WARNING! Faulty cutting equipment or the wrong combination of bar and saw chain ! increases the risk of kickback! Only use the bar/saw chain combinations we recommend, and follow the filing instructions. See • Chain oil hole and hole for chain tensioner. The bar must instructions under the heading Technical be matche
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GENERAL SAFETY PRECAUTIONS When you sharpen a cutting tooth there are four important • Always file cutting teeth from the inside face. Reduce the factors to remember. pressure on the return stroke. File all the teeth on one side first, then turn the chain saw and file the teeth on the other 1 Filing angle side. 2 Cutting angle • File all the teeth to the same length. When the length of the cutting teeth is reduced to 4 mm (0.16") the chain is worn out and should be replaced. 3 File position Ge
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GENERAL SAFETY PRECAUTIONS through the depth gauge tool. The depth gauge setting is Lubricating cutting equipment correct when you no longer feel resistance as you draw the file along the depth gauge tool. WARNING! Poor lubrication of cutting equipment may cause the chain to snap, ! which could lead to serious, even fatal injuries. Chain oil Chain oil must demonstrate good adhesion to the chain and Tensioning the chain also maintain its flow characteristics regardless of whether it is warm
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GENERAL SAFETY PRECAUTIONS If the chain lubrication is not working: Checking wear on cutting equipment • Check that the oil channel in the bar is not obstructed. Clean if necessary. Check the chain daily for: • Check that the groove in the edge of the bar is clean. Clean if necessary. • Visible cracks in rivets and links. • Whether the chain is stiff. • Whether rivets and links are badly worn. Replace the saw chain if it exhibits any of the points above. We recommend you compare the existing c
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GENERAL SAFETY PRECAUTIONS • To prolong the life of the bar you should turn it over daily. WARNING! Most chain saw accidents happen when the chain touches the ! operator. Wear personal protective equipment. See instructions under the heading Personal protective equipment. Do not tackle any job that you feel you are not adequately trained for. See instructions under the headings Personal protective equipment, How to avoid kickback, Cutting equipment and General working instructions. Avoi
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ASSEMBLY The chain is correctly tensioned when it does not sag from the Fitting the bar and chain underside of the bar, but can still be turned easily by hand. Hold up the bar tip and tighten the bar nuts with the combination spanner. WARNING! Always wear gloves, when working with the chain, in order to protect ! your hands from injury. Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle. When fitting a new chain, the chain tension ha
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FUEL HANDLING Mixing ratio Fuel 1:50 (2%) for all engines Note! The machine is equipped with a two-stroke engine and must always be run using a mixture of gasoline and two- Two-stroke oil, litre stroke oil. It is important to accurately measure the amount of Gasoline, litre 2% (1:50) oil to be mixed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, even small inaccuracies 5 0,10 can drastically affect the ratio of the mixture. 10 0,20 15 0,30 WARNING! Always
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FUEL HANDLING Fueling Fuel safety • Never refuel the machine while the engine is running. • Make sure there is plenty of ventilation when refuelling or mixing fuel (gasoline and 2-stroke oil). WARNING! Taking the following precautions, • Move the machine at least 3 m from the refuelling point will lessen the risk of fire: before starting it. ! Do not smoke and do not place any hot objects in the vicinity of fuel. Always stop the engine and let it cool for a few minutes before refuelling. When
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STARTING AND STOPPING Warm engine Starting and stopping Use the same procedure as for starting a cold engine but without setting the choke control in the choke position. The WARNING! Note the following before correct choke/start throttle setting is obtained by moving the starting: choke control to the choke position and then pushing it in ! again. The chain brake must be engaged when the chain saw is started to reduce the chance of contact with the moving chain during starting. Never st
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STARTING AND STOPPING Note! • Always hold the saw with both hands. The right hand should be on the rear handle, and the left hand on the Pull the front hand guard towards the front handle. The chain front handle. All people, whether right or left handed, brake is now disengaged. Your saw is ready for use. should use this grip. Use a firm grip with thumbs and fingers encircling the chain saw handles. WARNING! Long term inhalation of the engine’s exhaust fumes, chain oil mist and ! dust from
