Husqvarna 338XPT 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 334T 338XPT Oper ator’ s manual (EP A II) Please r ead the operator’ s manual carefully and mak e sure y ou understand the instructions before using the machine.[...]

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

English – 3 CONTENTS 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 – English INTR ODUCTION Dear customer! Cong ratulations on y our choice to buy a Husqv ar na product! Husqv ar na is based on a tradition that dates bac k to 1689, when the Swedish King Karl XI ordered the construction of a factory on the banks of the Huskvarna River , f or production of muskets . The location was logical, since w ater power wa[...]

English – 5 WHA T IS WHA T? What is what on the c hain saw? 1 Filter cov er 2 Adjuster screws carb uretor 3 Star ter 4 Fuel tank 5 Chain oil tank 6 Chain tensioning screw (334T) 7 Bumper spike 8 F ront hand guard 9 Inf or mation and warning decal 10 Stop and choke control: Ignition on/off s witch Choke control/Start throttle lock W or king positi[...]

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

English – 7 GENERAL SAFETY PRECA UTIONS chain sa w usage if possible . Y our dealer , f orestr y school or your libr ar y can provide inf ormation about which training materials and courses are av ailable. Work is constantly in progress to impro ve the design and technology - improv ements that increase your saf ety and efficiency . Visit your d[...]

8 – English GENERAL SAFETY PRECA UTIONS • This mov ement activates a spring-loaded mechanism that tightens the brak e band (C) around the engine dr iv e system (D) (clutch drum). • The front hand guard is not designed solely to activate the chain brak e. Another important feature is that it reduces the risk of the chain hitting your left hand[...]

English – 9 GENERAL SAFETY PRECA UTIONS Will m y inetria activated c hain brake alwa ys activ ate during kickbac k in the event of a kic kbac k? No . First y our brake must be in w orking order. Second the kickbac k must be strong enough to activ ate the chain brake . If the chain brak e is too sensitive it would activ ate all the time which woul[...]

10 – English GENERAL SAFETY PRECA UTIONS Muffler The muffler is designed to k eep noise lev els to a minimum and to direct e xhaust fumes awa y from the user . In areas with a hot, dr y climate there is a high risk of fires. These areas are sometimes subject to gov er nment rules requiring among other things the muffler must be equipped with [...]

English – 11 GENERAL SAFETY PRECA UTIONS Bar • Length (inches/cm) • Number of teeth on bar tip sprock et (T). • Chain pitch (inches). The spacing between the dr iv e links of the chain must match the spacing of the teeth on the bar tip sprock et and drive sprock et. • Number of drive links. The number of drive links is determined by the l[...]

12 – English GENERAL SAFETY PRECA UTIONS Sharpening cutting teeth T o shar pen cutting teeth you will need a round file and a file gauge. See instr uctions under the heading T echnical data f or inf or mation on the size of file and gauge that are recommended f or the chain fitted to your chain saw . • Check that the chain is correctly tens[...]

English – 13 GENERAL SAFETY PRECA UTIONS • Raise the tip of the bar and stretch the chain by tightening the chain tensioning screw using the combination spanner . Tighten the chain until it does not sag from the underside of the bar . • Use the combination spanner to tighten the bar nut while holding up the tip of the bar . Check that you can[...]

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

English – 15 ASSEMBL Y Fitting the bar and chain Check that the chain br ake is in disengaged position by moving the front hand guard to wards the front handle. Unscrew the bar n ut and remove the clutch co ver (chain brak e). 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 t[...]

16 – English FUEL HANDLING Fuel Note! The machine is equipped with a two-stroke engine and must alwa ys be run using a mixture of gasoline and two- stroke oil. It is impor tant to accurately measure the amount of oil to be mix ed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, e ven small inaccuracies can drasti[...]

English – 17 FUEL HANDLING 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 w ell mixed b y shaking the container bef ore refuelling. The capacities of the chain oil tank and fuel[...]

18 – English ST AR TING AND ST OPPING Star ting and stopping Cold engine Starting: The chain brake should be activ ated when star ting the chain saw . Activ ate the chain brake b y pushing the front hand guard f orwards. Ignition; choke: Slide the control to its rear position. Primer b ulb: Press the air purge repeatedly until fuel begins to fil[...]

English – 19 ST AR TING AND ST OPPING • The chain brak e should be activated when star ting. Se instructions under the heading Star t and stop. Do not drop star t. This method is v ery dangerous because you may lose control of the saw . • Ne ver star t the machine indoors . Exhaust fumes can be dangerous if inhaled. • Obser v e your surroun[...]

20 – English W ORKING TECHNIQ UES Bef ore use: 1 Check that the chain br ake works correctly and is not damaged. 2 Check that the throttle loc k works correctly and is not damaged. 3 Check that the stop s witch works correctly and is not damaged. 4 Check that all handles are free from oil. 5 Check that the anti vibr ation system works and is not [...]

English – 21 W ORKING TECHNIQ UES 7 T ake great care when cutting a tree that is under tension. A tree that is under tension ma y spr ing bac k to its nor mal position bef ore or after being cut. If you position y ourself incorrectly or make the cut in the wrong place the tree ma y hit you or the machine and cause y ou to lose control. Both situa[...]

22 – English W ORKING TECHNIQ UES 8 T ake great care when y ou cut with the top edge of the bar , i.e. when cutting from the underside of the object. This is known as cutting with a pushing chain. The chain tries to push the chain saw bac k towards the user . If the saw chain is jamming, the saw ma y be pushed back at y ou. 9 Unless the user resi[...]

English – 23 W ORKING TECHNIQ UES Cutting The log is lying on the gr ound . There is little risk of the chain jamming or the object splitting. Ho wev er there is a risk that the chain will touch the ground when y ou finish the cut. Cut all the wa y through the log from abov e. Av oid letting the chain touch the ground as y ou finish the cut. Ma[...]

24 – English W ORKING TECHNIQ UES Se veral f actors aff ect this: • Lean of the tree • Bend • Wind direction • Arrangement of branches • W eight of snow Y ou ma y find you are f orced to let the tree fall in its natur al direction because it is impossible or dangerous to try to make it f all in the direction you first intended. Anothe[...]

English – 25 W ORKING TECHNIQ UES The f elling hinge controls the direction that the tree falls in. All control ov er the felling direction is lost if the f elling hinge is too narrow or non-e xistent, or if the directional cuts and f elling cut are badly placed. When the f elling cut and directional cut are complete the tree should star t to f a[...]

26 – English W ORKING TECHNIQ UES How to a v oid kic kback What is kic kback? The word kic kback 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 , kno wn as the kickback zone , touches an object. Kickbac k alwa ys occurs in the cutting plane of the bar .[...]

English – 27 MAINTENANCE General The user must only carry out the maintenance and ser vice work described in this manual. Carb uretor adjustment Due to e xisting environmental and emissions legislation your chain saw is equipped with mo vement limiters on the carburetor adjuster scre ws. These limit the adjustment possibilities to a maximum of a [...]

28 – English MAINTENANCE Chec king, maintaining and servicing chain sa w safety equipment Chain brake and fr ont hand guard Checking brake band wear Brush off any wood dust, resin and dir t from the chain brak e and clutch drum. Dir t and wear can impair operation of the brak e. Regularly check that the brak e band is at least 0.6 mm (0,024 inch)[...]

English – 29 MAINTENANCE Chain catcher Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw . Vibration damping system Regularly check the vibration damping units f or crac ks or def or mation. Make sure the vibr ation damping units are securely attached to the engine unit and handle unit. Stop switc h [...]

30 – English MAINTENANCE Star ter 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 appro x. 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 backw ards. •[...]

English – 31 MAINTENANCE 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 • Unnecessar y wear to engine parts • Excessive fuel consumption. • Remov e the air filter after taking off the air filter cov er . When r[...]

32 – English MAINTENANCE Cooling system T o keep the working temperature as low as possib le the machine is equipped with a cooling system. The cooling system consists of: 1 Air intake on the starter . 2 Air guide plate. 3 Fins on the flywheel. 4 Cooling fins on the cylinder . 5 Cylinder cov er (directs cold air ov er the cylinder). Clean the c[...]

English – 33 MAINTENANCE Maintenance schedule The f ollowing 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 W eekly maintenance Monthly maintenance Clean the outside of the machine. On chain saws without a catalytic conv er ter , chec k the cooli[...]

34 – English TECHNICAL D A T A T echnical data 334T 338XPT Engine Cylinder displacement, cu.in/cm 3 2,15/35,2 2,38/39 Cylinder bore, inch/mm 1,50/38,0 1,57/40 Stroke , inch/mm 1,22/31 1,22/31 Idle speed, r pm 2800 2800 P ow er , kW/ r pm 1,5/9600 1,7/9600 Ignition system Manuf acturer of ignition system SEM SEM T ype of ignition system CD CD Spar[...]

English – 35 TECHNICAL D A T A Recommended original and replacement bar and chain combinations F ollowing is a list of recommended cutting equipment f or the Husqvarna chain saw models 334T and 338XPT . The combinations of power head, bar and chain ha ve been tested and f ound to be in accordance with the kic kback and vibration requirements of A[...]

36 – 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 e xplain the emissions control system warranty on your 2001 and later small nonroad engine . In U .S. and Canada, new small non[...]

English – 37 AMERICAN ST AND ARD SAFETY PRECA UTIONS Safety precautions f or chain sa w users (ANSI B 175.1-2000 Anne x C) Kickbac k safety precautions With a basic understanding of kickbac k, you can reduce or eliminate the element of sur prise. Sudden sur prise contributes to accidents. K eep a good fir m grip on the sa w with both hands, the [...]

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´®z+R*G¶55¨ 2005-08-31 ´®z+R*G¶55¨ 1150103-95[...]