Husqvarna 353 EPA III TrioBrake 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 345e EP A III 346XP EP A I 353 EP A III T rioBr ak e Oper ator’ s manual Please r ead the operator’ s manual carefully and mak e sure you understand the instructions bef ore 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 ser ious or f atal 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 helme[...]

KEY T O SYMBOLS English – 3 Y ou will find the following labels on y our chain saw: EP A I EP A III The Emissions Compliance P eriod referred to on the Emission Compliance label indicates the n umber of oper ating hours f or which the engine has been shown to meet Feder al emissions requirements. Maintenance, replacement, or repair of the emissi[...]

CONTENTS 4 – English Contents KEY T O SYMBOLS Symbols on the machine: ......................................... 2 Symbols in the operator’ s manual: ........................... 2 CONTENTS Contents ................................................................... 4 INTR ODUCTION Dear customer! ..................................................[...]

English – 5 INTR ODUCTION Dear customer! Cong ratulations on your choice to b uy a Husqvarna product! Husqvarna is based on a tradition that dates bac k to 1689, when the Swedish King Kar l XI ordered the construction of a factory on the banks of the Huskvarna River , for production of m uskets. The location was logical, since water po wer was ha[...]

6 – English WHA T IS WHA T? What is what on the c hain saw? 1 Product and serial number plate 2 Throttle lock out 3 Decompression valv e 4 F ront handle 5 Cylinder cov er 6 F ront hand guard 7 Muffler 8 Bumper spike 9 Bar tip sprock et 10 Rear handle with right hand guard 11 Throttle control 12 Clutch cov er 13 Oil pump adjustment screw 14 Chain[...]

GENERAL SAFETY PRECA UTIONS English – 7 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 8 – English your library can provide inf ormation about which training materials and courses are availab le. Work is constantly in progress to impro ve the design and technology - improv ements that increase your saf ety and efficiency . Visit y our dealer regularly to see whether you can benefit from new f eatures t[...]

GENERAL SAFETY PRECA UTIONS English – 9 • The brake is applied when the front hand guard (B) is pushed forw ards or when the r ight-hand brake trigger (E) is pushed up and forw ards. • This mov ement activates a spring-loaded mechanism that tightens the br ak e band (C) around the engine driv e system (D) (clutch drum). • The front hand gua[...]

GENERAL SAFETY PRECA UTIONS 10 – English Will m y hand alwa ys activate the c hain brake during a kickbac k? No . It takes a cer tain force to mo v e the hand guard forward. If your hand only lightly touches the front guard or slips ov er it, the force ma y not be enough to trigger the chain brake. Y ou should also maintain a firm grip of the ch[...]

GENERAL SAFETY PRECA UTIONS English – 11 cutting equipment that is b lunt or f aulty (wrong type or badly sharpened) will increase the vibration level. Stop switc h Use the stop s witch to switch off the engine . Muffler The muffler is designed to keep noise le vels to a minimum and to direct exhaust fumes a way from the user . In areas with a [...]

GENERAL SAFETY PRECA UTIONS 12 – English Cutting equipment designed to reduce kickbac k The only wa y to avoid kickbac k is to make sure that the kickbac k zone of the bar ne ver touches an ything. By using cutting equipment with ”built-in” kic kback reduction and keeping the chain sharp and well-maintained you can reduce the effects of kic k[...]

GENERAL SAFETY PRECA UTIONS English – 13 • The cutting par t of the chain is called the cutter and 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). When you sharpen a cutting tooth there are four important f actors to remember . 1 [...]

GENERAL SAFETY PRECA UTIONS 14 – English Adjustment of depth gauge setting • The cutting teeth should be newly sharpened before adjusting the depth gauge setting. W e recommend that you adjust the depth gauge setting e ver y third time you sharpen the cutting teeth. NO TE! This recommendation assumes that the length of the cutting teeth is not [...]

GENERAL SAFETY PRECA UTIONS English – 15 • Adjust the tension on the chain by turning the wheel down (+) f or tighter tension and up (-) to loosen the tension. • Tighten the bar clutch by turning the knob clockwise. • Fold the knob bac k in to lock the tensioning. Lubricating cutting equipment Chain oil Chain oil must demonstrate good adhes[...]

GENERAL SAFETY PRECA UTIONS 16 – English • Check that the bar tip sproc ket turns freely and that the lubricating hole in the tip sprocket is not b lock ed. Clean and lubricate if necessar y . If the chain lubrication system is still not working after carr ying out the abo ve checks and associated measures y ou should contact your servicing dea[...]

ASSEMBL Y English – 17 Fitting the bar and chain 346XP T rioBrake, 353 T rioBrake 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 cov er (chain br ak e). T ake off the tr anspor tation ring (A). Fit the bar ov er the bar bolts. Place the ba[...]

ASSEMBL Y 18 – English Fit the bar ov er the bar bolts. Place the bar in its rearmost position. Place the chain over the drive sproc ket locate it in the groov e on the bar. Begin on the top edge of the bar . Make sure that the edges of the cutting links are f acing f orw ard on the top edge of the bar . Install the clutch cov er and locate the c[...]

FUEL HANDLING English – 19 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, e ven small inaccuracies can drasti[...]

FUEL HANDLING 20 – English • Contact your service agent when choosing chain oil. 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 mix ed by shaking the container before ref[...]

ST ARTING AND ST OPPING English – 21 Starting and stopping Cold engine Starting: The chain brake should be activated when starting the chain saw . Activate the chain brake b y pushing the front hand guard forw ards. Ignition; choke: Set the chok e control in the choke position. This should automatically set the stop switch to the start position. [...]

ST ARTING AND ST OPPING 22 – English latch in order to av oid unnecesser y wear on the clutch assembly . Note! Pull the front hand guard towards the front handle . The chain br ak e is no w disengaged. Y our saw is ready f or use. • Nev er star t a chain saw unless the bar , chain and all cov ers are fitted correctly . See instructions under t[...]

WORKING TECHNIQUES English – 23 Bef ore use: 1 Check that the chain brak e wor ks correctly and is not damaged. 2 Check that the rear right hand guard is not damaged. 3 Check that the throttle loc kout w orks correctly and is not damaged. 4 Check that the stop s witch wor ks correctly and is not damaged. 5 Check that all handles are free from oil[...]

W ORKING TECHNIQUES 24 – English 6 Before mo ving y our chain sa w switch off the engine and lock the chain using the chain brak e. Carry the chain saw with the bar and chain pointing backwards . Fit a guard to the bar before tr anspor ting the chain saw or carrying it for any distance. Never carry or hang the saw b y the trigger! This could dama[...]

WORKING TECHNIQUES English – 25 Cutting with the bottom edge of the bar , i.e. from the top of the object downwards , is known as cutting with a pulling chain. In this case the chain saw pulls itself towards the tree and the front edge of the chain sa w body rests naturally on the trunk when cutting. Cutting with a pulling chain gives the operato[...]

W ORKING TECHNIQUES 26 – English Cutting If you ha v e a pile of logs, each log y ou attempt to cut should be remov ed from the pile, placed on a sa w horse or runners and cut individually . Remov e the cut pieces from the cutting area. By leaving them in the cutting area, you increase the r isk for inadvertently getting a kickback, as well as in[...]

WORKING TECHNIQUES English – 27 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 limb[...]

W ORKING TECHNIQUES 28 – 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 v ery accurately . Directional cuts T o make the directional cut y ou begin[...]

WORKING TECHNIQUES English – 29 We 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 instr uctions under the heading T echnical data section to find out which lengths of bar are recommended for y our saw . There are methods for f[...]

W ORKING TECHNIQUES 30 – English Ho w to a v oid kic kback What is kic kback? The word kickbac k is used to descr ibe 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 alwa ys occurs in the cutting plane of the bar .[...]

MAINTENANCE English – 31 General The user must only carry out the maintenance and ser vice work described in this manual. Carburetor adjustment Due to existing en vironmental and emissions legislation your chain saw is equipped with mov ement limiters on the carburetor adjuster scre ws. These limit the adjustment possibilities to a maximum of a 1[...]

MAINTENANCE 32 – 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 may 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 pis[...]

MAINTENANCE English – 33 Checking the right-hand brake trigger Check that the right hand guard is not damaged and that there are no visible def ects, such as cracks. Push the trigger up and forwards to chec k that it moves freely and is securely hinged to the clutch cov er . Never carry or hang the saw b y the trigger! This could damage the mecha[...]

MAINTENANCE 34 – English Right hand guar d Check that the right hand guard is not damaged and that there are no visible def ects, such as cracks. Vibration damping system Regularly check the vibration damping units f or crac ks or deformation. Make sure the vibration damping units are securely attached to the engine unit and handle unit. Stop swi[...]

MAINTENANCE English – 35 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 r im of the pulle y . Release the recoil spring by letting the pulley rotate slo wly backwards . 345[...]

MAINTENANCE 36 – English Replacement of br oken recoil and drive disc springs Recoil spring (A) • Lift up the star ter pulley . See instr uctions under the heading Changing a broken or worn starter cord. Remember that the recoil spring is coiled under tension in the star ter housing. • Remov e the cassette with the recoil spring from the star[...]

MAINTENANCE English – 37 should be replaced after about a month in oper ation or earlier if necessar y . Note! Alwa ys use the recommended spark plug type! Use of the wrong spark plug can damage the piston/cylinder. Chec k that the spark plug is fitted with a suppressor. Lubricating the bar tip sproc ket Lubricate the bar tip sprocket each time [...]

MAINTENANCE 38 – English ”Air Injection” centrifugal cleaning Centrifugal cleaning means the following: All air to the carburetor passes through the starter. Dir t and dust is pushed out by the cooling f an. IMPORT ANT! In order to maintain oper ation of the centrifugal cleaning system it m ust be regularly maintained. Clean the air intake to[...]

English – 39 MAINTENANCE Maintenance schedule The follo wing is a list of the maintenance that must be perf ormed on the machine. Most of the items are descr ibed 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[...]

40 – English TECHNICAL D A T A T echnical data 345e T rioBrake 346XP T rioBrake 353 T rioBrake Engine Cylinder displacement, cu.in/cm 3 2,75/45,0 3,06/50,1 3,15/51,7 Cylinder bore, inch/mm 1,65/42 1,74/44,3 1,77/45 Stroke, inch/mm 1,28/32,5 1,28/32,5 1,28/32,5 Idle speed, rpm 2700 2700 2700 P ower , kW/ rpm 2,2/9000 2,7/9600 2,4/9000 Ignition sys[...]

English – 41 TECHNICAL D A T A Recommended original and replacement bar and c hain combinations F ollo wing is a list of recommended cutting equipment f or the Husqvarna chain saw models 345e T rioBrak e , 346XP T rioBrake and 353 T rioBrake. The combinations of pow er head, bar and chain hav e been inv estigated in accordance with the kickbac k [...]

´®z+RxQ¶5 ´®z+RxQ¶5 42 – English FEDERAL EMISSION CONTR OL W ARRANTY ST A TEMENT 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 2009 and later small nonroad engine. In U.S. a[...]

AMERICAN ST AND ARD SAFETY PRECA UTIONS English – 43 Saf ety precautions f or chain sa w users (ANSI B 175.1-2000 Anne x C) Kickbac k safety precautions With a basic understanding of kic kback, y ou can reduce or eliminate the element of surpr ise. Sudden sur prise contributes to accidents. K eep a good firm grip on the saw with both hands, the [...]

1151438-95 ´®z+SKy¶5n¨ ´®z+SKy¶5n¨ 2009-01-21[...]