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Operator’s manual
345e EPA III 346XP EPA I
353 EPA III TrioBrake
Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.
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KEY TO SYMBOLS Symbols on the machine: Symbols in the operator’s manual: WARNING! Chain saws can be Switch off the engine by moving the dangerous! Careless or improper use stop switch to the STOP position before can result in serious or fatal injury to the carrying out any checks or operator or others. maintenance. Please read the operator’s manual Always wear approved protective carefully and make sure you understand the instructions before using the gloves. mach
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KEY TO SYMBOLS You will find the following labels on your chain saw: EPA I EPA III The Emissions Compliance Period referred to on the Emission Compliance label indicates the number of operating hours for which the engine has been shown to meet Federal emissions requirements. Maintenance, replacement, or repair of the emission control devices and system may be performed by any nonroad engine repair establishment or individual. The engine exhaust from this product contains chemic
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CONTENTS Bar and chain combinations ...................................... 41 Contents Saw chain filing and file gauges ................................ 41 KEY TO SYMBOLS FEDERAL EMISSION CONTROL WARRANTY Symbols on the machine: ......................................... 2 STATEMENT Symbols in the operator’s manual: ........................... 2 YOUR WARRANTY RIGHTS AND OBLIGATIONS ... 42 CONTENTS AMERICAN STANDARD SAFETY PRECAUTIONS Content
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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 l
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WHAT IS WHAT? 27 32 26 25 35 24 18 19 31 5 6 23 20 4 21 22 1 7 9 8 2 10 11 12 13 14 15 16 17 30 29 28 What is what on the chain saw? 1 Product and serial number plate 19 Chain oil tank 2 Throttle lockout 20 Starter 3 Decompression valve 21 Fuel tank 4 Front handle 22 Choke control/Start throttle lock 5 Cylinder cover 23 Rear handle 6 Front hand guard 24 Stop switch 7 Muffler 25 Adjuster screws carburetor 8 Bumper spike 26 Air purge 9 Bar tip sprocket 27 Information and warning decal 1
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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 The machine is only designed for cutting wood. adjusted. See instructions under the heading Assembly. You should only use the saw with the bar and chain • Refuel and start the chain saw. See the instructions combinations we recommend in the chapter Technical under the headings Fuel Handling and
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GENERAL SAFETY PRECAUTIONS your library can provide information about which training Generally clothes should be close-fitting without restricting materials and courses are available. 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 forest fires. Machine′′ ′′s safety equipment In this section the machine’s safety features and their function are explained
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GENERAL SAFETY PRECAUTIONS • The brake is applied when the front hand guard (B) is • To release the chain brake pull the front hand guard pushed forwards or when the right-hand brake trigger (E) backwards, towards the front handle. is pushed up and forwards. B E • 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 • This movement activates a spring-loaded mechanism firmly and not let go.
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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. Replace it if necessary with an aluminium chain No. It takes a certain force to move the hand guard forward. catcher (is available as spare part). This should not happen If your hand only lightly touches the front guard or slips over if the chain is properly tensioned (see instructions under the it, the force may
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GENERAL SAFETY PRECAUTIONS cutting equipment that is blunt or faulty (wrong type or badly WARNING! Never use a saw without a sharpened) will increase the vibration level. muffler, or with a damaged muffler. A ! damaged muffler may substantially increase the noise level and the fire hazard. Keep fire fighting equipment handy. If a spark arrestor screen is required in your area, never use the saw without or with a WARNING! Overexposure to vibration can broken spark arrestor screen. lead to circ
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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, and follow the filing • Bar groove width (inches/mm). The groove in the bar instructions. See i
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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 Adjustment of depth gauge setting 346XP TrioBrake, 353 TrioBrake • The cutting teeth should be newly sharpened before • Loosen the bar nuts that hold the clutch cover/chain adjusting the depth gauge setting. We recommend that brake. Use the combination spanner. Then tighten the you adjust the depth gauge setting every third time you bar nuts by hand as tight as you can. sharpen the cutting teeth. NOTE! This recommendation assumes that the length of the cutting te
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GENERAL SAFETY PRECAUTIONS • Adjust the tension on the chain by turning the wheel Filling with chain oil down (+) for tighter tension and up (-) to loosen the • All our chain saws have an automatic chain lubrication tension. system. On some models the oil flow is also adjustable. • The saw chain oil tank and the fuel tank are designed so that the fuel runs out before the saw chain oil. However, this safety feature requires that you use the right sort of chain oil (if the oil is too thin it wi
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GENERAL SAFETY PRECAUTIONS • Check that the bar tip sprocket turns freely and that the When the length of the cutting teeth has worn down to only lubricating hole in the tip sprocket is not blocked. Clean 0.16 inch (4 mm) the chain must be replaced. and lubricate if necessary. Bar Check regularly: • Whether there are burrs on the edges of the bar. Remove these with a file if necessary. If the chain lubrication system is still not working after carrying out the above checks and associated measu
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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. ! 346XP TrioBrake, 353 TrioBrake Check that the chain brake is in disengaged position by The chain is correctly tensioned when it does not sag from moving the front hand guard towards the front handle. the underside of the bar, but can still be tur
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ASSEMBLY Fit the bar over the bar bolts. Place the bar in its rearmost tension regularly. A correctly tensioned chain ensures good position. Place the chain over the drive sprocket locate it in cutting performance and long life. the groove on the bar. Begin on the top edge of the bar. Note: If clutch cover is difficult to remove, replace bar nuts, engage brake and rerelease (an audible click will be heard if released properly). Make sure that the edges of the cutting links are facing forward
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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- Gasoline, litre Two-stroke oil, litre stroke oil. It is important to accurately measure the amount 2% (1:50) of oil to be mixed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, even small 5 0,10 inaccuracies can drastically affect the ratio of the mixture. 10 0,43/0,20 WARNING! Always en
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FUEL HANDLING • Contact your service agent when choosing chain oil. Fuel safety Fueling • 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 10 ft (3 m) from the refuelling point before starting it. WARNING! Taking the following precautions, will lessen the risk of fire: ! Do not smoke and do not place any hot objects in the vicinity of fuel. Always stop the en
