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Operator’s manual
357XP EPA I 359 EPA III
Please read the operator’s manual carefully and make sure you understand the instructions
before using the machine. E En ng glliis sh h
E En ng glliis sh h
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KEY TO SYMBOLS Symbols on the machine: Symbols in the operator’s WARNING! Chain saws can be manual: dangerous! Careless or improper Switch off the engine by moving the use can result in serious or fatal stop switch to the STOP position injury to the operator or others. before carrying out any checks or maintenance. Please read the operator’s manual carefully and make sure you understand the instructions before Always wear approved protective using the machine. g
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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 chemi
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CONTENTS FEDERAL EMISSION CONTROL WARRANTY Contents STATEMENT KEY TO SYMBOLS YOUR WARRANTY RIGHTS AND Symbols on the machine: ...................................... 2 OBLIGATIONS ..................................................... 42 Symbols in the operator’s manual: ........................ 2 AMERICAN STANDARD SAFETY PRECAUTIONS CONTENTS Safety precautions for chain saw users ................ 43 Contents .............................
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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 Cylinder cover 17 Chain catcher 2 Front handle 18 Clutch cover 3 Chain brake and front hand guard 19 Rear handle with right hand guard 4 Starter 20 Throttle control 5 Chain oil tank 21 Throttle lockout 6 Starter handle 22 Decompression valve (Model 359) Automatic decompression valve (Model 357XP) 7 Adjuster screws carburetor 23 Combination spanner 8 Choke control/Start throttle lock 24 Chain tensioning screw 9 Rear handle 25 Operator’s
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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 The machine is only designed for cutting wood. and adjusted. See instructions under the heading You should only use the saw with the bar and chain Assembly. combinations we recommend in the chapter Technical • Refuel and start the chain saw. See the instructions data. under the headings Fuel Han
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GENERAL SAFETY PRECAUTIONS possible. Your dealer, forestry school or your library can Generally clothes should be close-fitting without restricting provide information about which training materials and your freedom of movement. 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 equipment In this section the machine
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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. backwards, towards the front handle. • This movement activates a spring-loaded mechanism that tightens the brake band (C) around the engine • Kickback can be very sudden and violent. Most drive system (D) (clutch drum). kickbacks are minor and do not always activate the chain brake. If this happens you should hold the chain saw firmly and
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GENERAL SAFETY PRECAUTIONS of the front hand guard, the chain brake can only be (A) (i.e. when you grasp the handle) it releases the throttle activated by the inertia action. control (B). When you release the handle the throttle control and the throttle lockout both move back to their original positions. This arrangement means that the throttle control is automatically locked at the idle setting. Will my hand always activate the chain brake during a kickback? No. It takes a certain force t
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GENERAL SAFETY PRECAUTIONS chain saw, including the cutting equipment, is insulated requiring among other things the muffler must be from the handles by vibration damping units. equipped with an approved type of spark arrestor screen. Cutting hardwoods (most broadleaf trees) creates more CAUTION! The muffler gets very hot during and after vibration than cutting softwoods (most conifers). Cutting use. This also applies during idling. Be aware of the fire with cutting equipment that is blunt or
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GENERAL SAFETY PRECAUTIONS • Keep the chain properly tensioned! If the chain is Bar slack it is more likely to jump off and lead to increased • Length (inches/cm) wear on the bar, chain and drive sprocket. • Number of teeth on bar tip sprocket (T). • Keep cutting equipment well lubricated and properly maintained! A poorly lubricated chain is more likely to break and lead to increased wear on the bar, chain and drive sprocket. • Chain pitch (inches). The spacing between the drive links of
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GENERAL SAFETY PRECAUTIONS • Number of drive links. 4 Round file diameter It is very difficult to sharpen a chain correctly without the right equipment. We recommend that you use our file gauge. This will help you obtain the maximum kickback reduction and cutting performance from your chain. Sharpening your chain and adjusting depth gauge setting 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 t
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GENERAL SAFETY PRECAUTIONS • File all the teeth to the same length. When the length resistance as you draw the file along the depth gauge of the cutting teeth is reduced to 0.16 inch (4 mm) the tool. chain is worn out and should be replaced. Tensioning the chain General advice on adjusting depth gauge setting • When you sharpen the cutting tooth (A) the depth gauge setting (C) will decrease. To maintain optimal cutting performance the depth gauge (B) has to be filed down to achieve the recomme
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GENERAL SAFETY PRECAUTIONS The position of the chain tensioning screw on our chain throttle you should see a distinct line of oil on the light saws varies from model to model. See instructions under surface. the heading What is what? to find out where it is on your model. Lubricating cutting equipment 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
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GENERAL SAFETY PRECAUTIONS Chain drive sprocket Bar The clutch drum is fitted with one of the following drive Check regularly: sprockets: • Whether there are burrs on the edges of the bar. Remove these with a file if necessary. A Spur sprocket (the chain sprocket is welded on the drum) B Rim sprocket (replaceable) • Whether the groove in the bar has become badly worn. Replace the bar if necessary. Regularly check the degree of wear on the drive sprocket. Replace if wear is
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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. ! 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 can still be turned easily by hand. Hold up th
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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 Gasoline, litre Two-stroke oil, litre two-stroke oil. It is important to accurately measure the 2% (1:50) amount of oil to be mixed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, 5 0,10 even small inaccuracies can drastically affect the ratio of 10 0,43/0,20 the mixture. 15 0,30 WARNING!
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FUEL HANDLING • Never use waste oil. This results in damage to the oil Fuel safety pump, the bar and the chain. • Never refuel the machine while the engine is running. • It is important to use oil of the right grade (suitable • Make sure there is plenty of ventilation when refuelling viscosity range) to suit the air temperature. or mixing fuel (gasoline and 2-stroke oil). • In temperatures below 32°F (0°C) some oils become too viscous. This can overload the oil pump and result • Move the mac
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STARTING AND STOPPING the machine has started the valve will automatically return Starting and stopping to its original setting. WARNING! Note the following before starting: A ! 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 start a chain saw unless the bar, Warm engine chain and all covers are fitted correctly. Use the same procedure as for starting a cold engine but Otherwise the clutch can come
