Husqvarna 576 XP EPA II manuale d’uso

E E E E n n n n g g g g l l l l i i i i s s s s h h h h 570 EP A II 576 XP EP A II Oper ator’ s manual Please r ead the operator’ s manual car efully and make sur e you understand the instructions before using the machine.[...]

KEY T O SYMBOLS 2 – English Symbols on the mac hine: W ARNING! Chain saws can be dangerous! Careless or improper use can result in serious or fatal injury to the operator or others. Please read the operator’ s manual carefully and make sure y ou understand the instructions before using the machine. Alwa ys wear: • Approv ed protective helmet [...]

CONTENTS English – 3 Contents KEY T O SYMBOLS Symbols on the machine: 2 Symbols in the operator’ s manual: 2 CONTENTS Contents 3 INTR ODUCTION Dear customer! 4 WHA T IS WHA T? What is what on the chain sa w? 5 GENERAL SAFETY PRECA UTIONS Bef ore using a new chain sa w 6 Impor tant 6 Alwa ys use common sense 7 P ersonal protective equipment 7 Ma[...]

4 – English INTR ODUCTION Dear customer! Cong ratulations on your choice to b uy 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 po wer was harn[...]

English – 5 WHA T IS WHA T? What is what on the c hain saw? 1 Decompression valv e 2 Switch for heated handle (576XPG) 3 Star ter handle 4 Adjuster screws carb uretor 5 Stop switch (Ignition on/off s witch.) 6 Rear handle 7 Choke control/Start throttle lock 8 Fuel tank 9 Star ter 10 Chain oil tank 11 Throttle lock out 12 Cylinder cov er 13 F ront[...]

GENERAL SAFETY PRECA UTIONS 6 – English Bef ore using a new c hain saw • Please read this manual carefully . • Check that the cutting equipment is correctly fitted and adjusted. See instr uctions under the heading Assembly . • Refuel and star t the chain saw . See the instr uctions under the headings Fuel Handling and Star ting and Stoppin[...]

GENERAL SAFETY PRECA UTIONS English – 7 Al ways use common sense It is not possib le to cov er ev ery conceivable situation you can face when using a chain sa w. Alwa ys ex ercise care and use your common sense . A void all situations which you consider to be bey ond your capability . If you still f eel uncer tain about operating procedures after[...]

GENERAL SAFETY PRECA UTIONS 8 – English • The chain brake (A) can either be activ ated manually (by y our left hand) or automatically by the inertia release mechanism. • The brake is applied when the front hand guard (B) is pushed forw ards. • This mov ement activates a spring-loaded mechanism that tightens the brake band (C) around the eng[...]

GENERAL SAFETY PRECA UTIONS English – 9 of the front hand guard, the chain brak e can only be activated b y the iner tia action. Will m y hand alwa ys activate the chain brake during a kickbac k? No . It takes a certain force to mov e the hand guard forw ard. If your hand only lightly touches the front guard or slips ov er it, the force ma y not [...]

GENERAL SAFETY PRECA UTIONS 10 – English Vibration damping system Y our machine is equipped with a vibration damping system that is designed to reduce vibration and make operation easier . The machine ′ s vibration damping system reduces the transf er of vibration between the engine unit/cutting equipment and the machine ′ s handle unit. The [...]

GENERAL SAFETY PRECA UTIONS English – 11 recommended file gauge. A damaged or badly sharpened chain increases the r isk of accidents. • Maintain the correct depth gauge setting! Follow our instructions and use the recommended depth gauge clearance. T oo large a clearance increases the risk of kickback. • Keep the chain pr operly tensioned! I[...]

GENERAL SAFETY PRECA UTIONS 12 – English • Number of drive links. Sharpening y our chain and adjusting depth gauge setting General information on sharpening cutting teeth • Nev er use a blunt chain. When the chain is b lunt you hav e to ex er t more pressure to f orce the bar through the wood and the chips will be very small. If the chain is [...]

GENERAL SAFETY PRECA UTIONS English – 13 • File all the teeth to the same length. When the length of the cutting teeth is reduced to 0.16 inch (4 mm) the chain is worn out and should be replaced. General advice on adjusting depth gauge setting • When you sharpen the cutting tooth (A) the depth gauge setting (C) will decrease. T o maintain opt[...]

GENERAL SAFETY PRECA UTIONS 14 – English Lubricating cutting equipment Chain oil Chain oil must demonstrate good adhesion to the chain and also maintain its flow characteristics regardless of whether it is warm summer or cold winter weather . As a chain saw manuf acturer we have de veloped an optimal chain oil which has a vegetab le oil base. W [...]

GENERAL SAFETY PRECA UTIONS English – 15 Chain drive sproc ket The clutch drum is fitted with one of the follo wing drive sprock ets: A Spur sprock et (the chain sprocket is w elded on the drum) B Rim sprock et (replaceable) Regularly check the degree of wear on the drive sproc ket. Replace if wear is e xcessive. Replace the drive sprock et when[...]

ASSEMBL Y 16 – English Fitting the bar and chain Check that the chain brak e is in disengaged position by moving the front hand guard tow ards the front handle. Remov e the bar nuts and remov e the clutch cover (chain brake). T ake off the transportation r ing (A). Fit the bar ov er the bar bolts. Place the bar in its rear most position. Place th[...]

FUEL HANDLING English – 17 Fuel Note! The machine is equipped with a two-stroke engine and must alwa ys be r un using a mixture of gasoline and two-stroke oil. It is impor tant to accurately measure the amount of oil to be mixed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, ev en small inaccuracies can drastic[...]

FUEL HANDLING 18 – English Fueling Clean the area around the fuel cap . Clean the fuel and chain oil tanks regularly . The fuel filter must be replaced at least once a year . Contamination in the tanks causes malfunction. Make sure the fuel is well mixed b y shaking the container before refuelling. The capacities of the chain oil tank and fuel t[...]

ST AR TING AND ST OPPING English – 19 Starting and stopping Cold engine Starting: The chain brake should be activ ated when star ting the chain saw . Activate the chain brake b y pushing the front hand guard forw ards. Ignition; choke: Set the choke control in the chok e position. This should automatically set the stop s witch to the star t posit[...]

ST AR TING AND ST OPPING 20 – English throttle latch in order to a void unnecessery wear on the clutch assembly . CA UTION! Do not pull the star ter cord all the wa y out and do not let go of the star ter handle when the cord is fully extended. This can damage the machine. Note! Pull the front hand guard towards the front handle . The chain brake[...]

W ORKING TECHNIQ UES English – 21 Bef ore use: 1 Check that the chain brak e works correctly and is not damaged. 2 Check that the rear right hand guard is not damaged. 3 Check that the throttle loc kout works correctly and is not damaged. 4 Check that the stop s witch works correctly and is not damaged. 5 Check that all handles are free from oil.[...]

W ORKING TECHNIQ UES 22 – English 6 Before mo ving your chain saw s witch off the engine and lock the chain using the chain brak e. Carr y the chain saw with the bar and chain pointing bac kwards. Fit a guard to the bar before tr anspor ting the chain saw or carrying it for any distance . 7 When you put the chain sa w on the ground, lock the saw [...]

W ORKING TECHNIQ UES English – 23 user . If the saw chain is jamming, the saw ma y be pushed back at y ou. 8 Unless the user resists this pushing force there is a risk that the chain saw will mov e so far bac kwards that only the kickbac k zone of the bar is in contact with the tree, which can lead to a kickbac k. Cutting with the bottom edge of [...]

W ORKING TECHNIQ UES 24 – English Limbing When limbing thick br anches you should use the same approach as for cutting. Cut difficult branches piece by piece . Cutting If you ha ve a pile of logs, each log y ou attempt to cut should be remov ed from the pile, placed on a saw horse or runners and cut individually . Remov e the cut pieces from the[...]

W ORKING TECHNIQ UES English – 25 T ree felling technique Safe distance The safe distance betw een a tree that is to be felled and anyone else w orking nearby is at least 2 1/2 tree lengths. Make sure that no-one else is in this ”risk zone” before or during felling. Felling direction The aim is to f ell the tree in a position where you can li[...]

W ORKING TECHNIQ UES 26 – English Felling Felling is done using three cuts . First you make the directional cuts, which consist of the top cut and the bottom cut, then you finish with the f elling cut. By placing these cuts correctly you can control the f elling direction very accurately . Directional cuts T o make the directional cuts you begin[...]

W ORKING TECHNIQ UES English – 27 W e recommend that y ou use a bar that is longer than the diameter of the tree, so that you can mak e the felling cut and directional cuts with single cutting strokes. See instructions under the heading T echnical data section to find out which lengths of bar are recommended for y our saw . There are methods for[...]

W ORKING TECHNIQ UES 28 – English Ho w to a v oid kickbac k What is kic kback? The word kickbac k is used to describe the sudden reaction that causes the chain saw and bar to jump off an object when the upper quadrant of the tip of the bar , known as the kickbac k zone, touches an object. Kickbac k always occurs in the cutting plane of the bar . [...]

MAINTENANCE English – 29 General The user must only carry out the maintenance and service work descr ibed in this manual. More extensive work must be carried out by an authorised service workshop. Carburetor adjustment Due to existing en vironmental and emissions legislation your chain sa w is equipped with movement limiters on the carburetor adj[...]

MAINTENANCE 30 – English High speed jet H At the factory the engine is adjusted at sea level. When working at a high altitude or in different weather conditions, temperatures and atmospheric humidity , it ma y be necessary to make minor adjustments to the high speed jet. CA UTION! If the high speed jet is screwed in too far , it may damage the pi[...]

MAINTENANCE English – 31 Checking the inertia brake release With the engine turned off, hold the chain sa w over a stump or other firm object. Let go of the front handle so that the bar drops towards the stump as the chain sa w rotates around the rear handle. When the bar hits the stump the brake should be applied. Checking the brake trigger Pla[...]

MAINTENANCE 32 – English Chain catcher Chec k that the chain catcher is not damaged and is firmly attached to the body of the chain saw . Right hand guar d Chec k that the right hand guard is not damaged and that there are no visible def ects, such as crac ks. Vibration damping system Regular ly check the vibration damping units f or cracks or d[...]

MAINTENANCE English – 33 Starter Changing a br oken or worn starter cord • Loosen the screws that hold the starter against the crankcase and remov e the star ter . • Pull out the cord approx. 30 cm (12 inches) and hook it into the notch in the rim of the pulley . Release the recoil spring by letting the pulley rotate slo wly backwards . • U[...]

MAINTENANCE 34 – English Air filter The air filter must be regularly cleaned to remov e dust and dir t in order to av oid: • Carburettor malfunctions • Star ting problems • Loss of engine power • Unnecessary wear to engine par ts • Excessive fuel consumption. • Remov e the air filter after taking off the air filter cover . When re[...]

MAINTENANCE English – 35 Needle bearing lubrication The clutch drum has a needle bearing on the output shaft. This needle bearing must be lubricated regularly (once a week). When lubricating, remove the clutch co ver by loosening the two bar nuts. Lay the saw on its side with the clutch drum upwards. Lubrication involv es engine oil dr ipping int[...]

MAINTENANCE 36 – English Winter use Running problems can occur when using the machine in the cold and snowy conditions caused by: • T oo low engine temperature. • Icing of the air filter and carburetor . Special measures are therefore often required: • Preheat the intake air to the carb uretor by using the heat from the cylinder . • P ar[...]

English – 37 MAINTENANCE Maintenance schedule The follo wing is a list of the maintenance that must be perf or med on the machine. Most of the items are described in the Maintenance section. Daily maintenance Weekl y maintenance Monthly maintenance Clean the outside of the machine. On chain saws without a catalytic conv er ter , check the cooling[...]

38 – English TECHNICAL D A T A T echnical data 570 576XP Engine Cylinder displacement, cu.in/cm 3 4,1/68 4,5/73,5 Cylinder bore, inch/mm 1,93/49 2,0/51 Stroke, inch/mm 1,42/36 1,42/36 Idle speed, rpm 2700 2700 P ower , kW/hp @ r pm 3,6/4,9 @ 9600 4,2/5,7 @ 9600 Ignition system Manuf acturer of ignition system SEM SEM T ype of ignition system CD C[...]

English – 39 TECHNICAL D A T A Recommended original and replacement bar and c hain combinations F ollo wing is a list of recommended cutting equipment for Husqv arna chain saw models 576XP , 576XPG and 570. These chain saw models equipped with either of the listed bar and sa wchain combinations, fulfills the requirements according to ANSI B 175.[...]

FEDERAL EMISSION CONTR OL W ARRANTY ST A TEMENT 40 – English Y OUR W ARRANTY RIGHTS AND OBLIGA TIONS The EP A (The US Environmental Protection Agency), Environment Canada and Husqv arna Forest & Garden are pleased to explain the emissions control system w arranty on your 2001 and later small nonroad engine. In U.S. and Canada, new small nonro[...]

AMERICAN ST AND ARD SAFETY PRECA UTIONS English – 41 Saf ety precautions f or chain saw users (ANSI B 175.1-2000 Anne x C) Kickbac k safety precautions With a basic understanding of kic kback, you can reduce or eliminate the element of surpr ise. Sudden sur prise contributes to accidents. K eep a good fir m grip on the saw with both hands , the [...]

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