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Operator’s manual (EPA I, EPA II)
346XP 353
Please read the operator’s manual carefully and make sure y ou
understand the instructions before using the machine.
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KEY TO SYMBOLS Refuelling. Symbols on the machine: 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 If your machine bears this symbol it is
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CONTENTS Contents KEY TO SYMBOLS Symbols on the machine: ............................................. 2 Symbols in the operator’s manual: ............................... 2 CONTENTS Contents ...................................................................... 3 INTRODUCTION Dear customer! ............................................................ 4 WHAT IS WHAT? What is what on the chain saw? .................................. 5 GENERA
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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? Husqvarna XXX XXXX XXXXXXX Husqvarna AB Huskvarna, SWEDEN What is what on the chain saw? 1 Cylinder cover 16 Bumper spike 2 Front handle 17 Chain catcher 3 Chain brake and front hand guard 18 Clutch cover 4 Starter 19 Rear handle with right hand guard 5 Chain oil tank 20 Throttle control 6 Starter handle 21 Throttle lock 7 Adjuster screws carburetor 22 Decompression valve (Model 353) 8 Choke control/Start throttle lock 23 Combination spanner 9 Rear handle 24 Chain tensi
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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 • Fire Extinguisher and Shovel your library can provide information about which training materials and courses are available. Generally clothes should be close-fitting without restricting your freedom of movement. 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 fo
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GENERAL SAFETY PRECAUTIONS • The chain brake (A) can either be activated manually (by • To release the chain brake pull the front hand guard your left hand) or automatically by the inertia release backwards, towards the front handle. mechanism. • The brake is applied when the front hand guard (B) is pushed forwards. • Kickback can be very sudden and violent. Most kickbacks are minor and do not always activate the chain brake. If this happens you should hold the chain saw firmly and no
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GENERAL SAFETY PRECAUTIONS if the bar and chain are properly serviced and maintained Will my hand always activate the chain (see instructions under the heading General working brake during a kickback? instructions). No. It takes a certain force to move the hand guard forward. If your hand only lightly touches the front guard or slips over it, the force may not be enough to trigger the chain brake. You should also maintain a firm grip of the chain saw handles while working. If you do an
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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 • Number of drive links. The number of drive links is Cutting equipment designed to reduce determined by the length of the bar, the chain pitch and kickback the number of teeth on the bar tip sprocket. 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, • Bar groove width (inches/mm). The groove in the bar must and follow the filing instructions. S
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GENERAL SAFETY PRECAUTIONS • The cutting part of the chain is called the cutter and Sharpening cutting teeth consists of a cutting tooth (A) and the depth gauge (B). The cutters cutting depth is determined by the difference in height between the two (depth gauge setting). To sharpen cutting teeth you will need a round file and a file gauge. See instructions under the heading Technical data for information on the size of file and gauge that are recommended for the chain fitted to your chain saw
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GENERAL SAFETY PRECAUTIONS • Loosen the bar nuts that hold the clutch cover/chain Adjustment of depth gauge setting brake. Use the combination spanner. Then tighten the bar nuts by hand as tight as you can. • The cutting teeth should be newly sharpened before adjusting the depth gauge setting. We recommend that you adjust the depth gauge setting every third time you sharpen the cutting teeth. NOTE! This recommendation • Raise the tip of the bar and stretch the chain by tightening assumes
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GENERAL SAFETY PRECAUTIONS • Check that the bar tip sprocket turns freely and that the Filling with chain oil lubricating hole in the tip sprocket is not blocked. Clean • All our chain saws have an automatic chain lubrication and lubricate if necessary. system. On some models the oil flow is also adjustable. • The saw chain oil tank and the fuel tank are designed so If the chain lubrication system is still not working after carrying that the fuel runs out before the saw chain oil. out the a
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GENERAL SAFETY PRECAUTIONS When the length of the cutting teeth has worn down to only 4 mm (0,16 inch) the chain must be replaced. Bar Check regularly: • Whether there are burrs on the edges of the bar. Remove these with a file if necessary. • Whether the groove in the bar has become badly worn. Replace the bar if necessary. • Whether the tip of the bar is uneven or badly worn. If a hollow forms on the underside of the bar tip this is due to running with a slack chain. • To prolong the life
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ASSEMBLY Tension the chain by turning the chain tensioning screw Fitting the bar and chain clockwise using the combination spanner. See instructions under the heading Tensioning the chain. 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. The chain is correctly tensioned when it does not sag from the underside of the bar, but ca
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FUEL HANDLING Mixing ratio Fuel For all engines: 1:50 (2%) 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, stroke oil. It is important to accurately measure the amount of Gasoline, litre litre oil to be mixed to ensure that the correct mixture is obtained. 2% (1:50) When mixing small amounts of fuel, even small inaccuracies can drastically affect the ratio of the mixture. 5 0,10 10 0,43/0,20 WARNING! Always e
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FUEL HANDLING • In temperatures below 0°C (32°F) some oils become too • Move the machine at least 3 m from the refuelling point viscous. This can overload the oil pump and result in before starting it. damage to the oil pump components. • Contact your service agent when choosing chain oil. Fueling WARNING! Taking the following precautions, will lessen the risk of fire: • Never start the machine: ! 1 If you have spilt fuel or chain oil on the machine. Wipe off Do not smoke and do not place any
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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 The chain brake must be engaged when the again. 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! Pull the front hand guard towards the front handle. The • Always hold the saw with both hands. The right hand chain brake is now disengaged. Your saw is ready for use. should be on the rear handle, and the left hand on the front handle. All people, whether right or left handed, 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 s
