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Operator’s manual (EPA II)
334T 338XPT
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 Protective goggles or a visor must be worn. 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 others. Refuelling. Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. Filing with oil and adjusting oil flow. Always wear: • Approved protective helmet • Approved hearing protection The chain brake must b
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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? What is what on the chain saw? 1 Filter cover 15 Starter handle 2 Adjuster screws carburetor 16 Front handle 3 Starter 17 Oil pump adjustment screw 4 Fuel tank 18 Throttle lock (Prevents accidental operation of throttle control.) 5 Chain oil tank 19 Throttle control 6 Chain tensioning screw (334T) 20 Bar 7 Bumper spike 21 Chain 8 Front hand guard 22 Bar tip sprocket 9 Information and warning decal 23 Chain catcher (Catches chain if it jumps or breaks.) 10 Stop and chok
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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 • The way the chain brake is activated, either manually or tightens the brake band (C) around the engine drive automatically by the inertia release mechanism, depends system (D) (clutch drum). on the force of the kickback and the position of the chain saw in relation to the object that the kickback zone of the bar strikes. If you get a violent kickback while the kickback zone of the bar is farth
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GENERAL SAFETY PRECAUTIONS Will my inetria activated chain brake Vibration damping system always activate during kickback in the Your machine is equipped with a vibration damping system event of a kickback? that is designed to reduce vibration and make operation easier. No. First your brake must be in working order. Second the kickback must be strong enough to activate the chain brake. If the chain brake is too sensitive it would activate all the time which would be a nuisance. Will m
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GENERAL SAFETY PRECAUTIONS • Maintain the correct depth gauge setting! Follow our Muffler instructions and use the recommended depth gauge The muffler is designed to keep noise levels to a minimum clearance. Too large a clearance increases the risk of and to direct exhaust fumes away from the user. kickback. WARNING! The exhaust fumes from the engine are hot and may contain sparks ! which can start a fire. Never start the machine indoors or near combustible • Keep the chain properly tension
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GENERAL SAFETY PRECAUTIONS Bar Sharpening your chain and adjusting depth gauge setting • Length (inches/cm) General information on sharpening cutting teeth • Never use a blunt chain. When the chain is blunt you have to exert more pressure to force the bar through the wood • Number of teeth on bar tip sprocket (T). and the chips will be very small. If the chain is very blunt it will produce wood powder and no chips or shavings. • A sharp chain eats its way through the wood and produces long
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GENERAL SAFETY PRECAUTIONS Sharpening cutting teeth Adjustment of depth gauge setting To sharpen cutting teeth you will need a round file and a file • The cutting teeth should be newly sharpened before gauge. See instructions under the heading Technical data for adjusting the depth gauge setting. We recommend that information on the size of file and gauge that are you adjust the depth gauge setting every third time you recommended for the chain fitted to your chain saw. sharpen the cutting teeth.
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GENERAL SAFETY PRECAUTIONS • Raise the tip of the bar and stretch the chain by tightening • The saw chain oil tank and the fuel tank are designed so the chain tensioning screw using the combination that the fuel runs out before the saw chain oil. spanner. Tighten the chain until it does not sag from the However, this safety feature requires that you use the right underside of the bar. sort of chain oil (if the oil is too thin it will run out before the fuel), and that you adjust the carbure
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GENERAL SAFETY PRECAUTIONS • Whether the tip of the bar is uneven or badly worn. If a Chain drive sprocket hollow forms on the underside of the bar tip this is due to running with a slack chain. The clutch drum is fitted with one of the following drive sprockets: A Spur sprocket (the chain sprocket is welded on the drum) B Rim sprocket (replaceable) • To prolong the life of the bar you should turn it over daily. Regularly check the degree of wear on the drive sprocket. Replace if wear is
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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. When fitting a new chain, the chain tension has to be checked Check that the chain brake is in disengaged position by frequently until the chain is run-in.
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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 0,43/0,20 15 0,30 WARNING! A
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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). • Move the machine at least 3 m from the refuelling point WARNING! Taking the following precautions, before starting it. will lessen the risk of fire: ! 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. Whe
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STARTING AND STOPPING Starting Starting and stopping WARNING! Note the following before starting: ! Grip the front handle with your left hand. Hold the chain saw on the ground by placing your right foot through the rear The chain brake must be engaged when the handle. Pull the starter handle with your right hand and pull chain saw is started to reduce the chance of out the starter cord slowly until you feel a resistance (as the contact with the moving chain during starter pawls engage) t
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STARTING AND STOPPING • The chain brake should be activated when starting. Se instructions under the heading Start and stop. Do not drop start. This method is very dangerous because you may lose control of the saw. • Never start the machine indoors. Exhaust fumes can be dangerous if inhaled. • Observe your surroundings and make sure that there is no risk of people or animals coming into contact with the cutting equipment. • Always hold the saw with both hands. The right hand should be on
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WORKING TECHNIQUES Basic safety rules Before use: 1 Look around you: 1 3 2 • To ensure that people, animals or other things cannot 4 affect your control of the machine. • To make sure that none of the above might come within reach of your saw or be injured by falling trees. 6 8 1 Check that the chain brake works correctly and is not damaged. 2 Check that the throttle lock works correctly and is not damaged. 3 Check that the stop switch works correctly and is not damaged. 4 Check that all ha
