Husqvarna 455 Rancher 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 455 Rancher Oper ator ′ s manual Please r ead the operator’ s manual carefull y and make sur e you 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 incorrect 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 protectiv e hel[...]

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 arna product! Husqvarna is based on a tradition that dates back to 1689, when the Swedish King Charles XI ordered the construction of a factory on the banks of the Husqvarna River , for production of musk ets. T he location was logical, since w ater power w [...]

English – 5 WHA T IS WHA T? What is what on the c hain saw? 27 1 4 2 5 7 6 9 15 16 11 12 13 14 10 25 24 22 21 20 19 18 17 23 8 28 26 3 29 30 1 Cylinder cov er 2 Star ter handle 3 Air purge 4 Stop s witch (Ignition on/off switch.) 5 Rear handle 6 Choke control/Start throttle lock 7 Fuel tank 8 Adjuster screws carb urettor 9 Star ter 10 Chain oil t[...]

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 , forestry school or your libr ar y can provide inf or mation about which training materials and courses are av ailable . W ork is constantly in progress to improv e the design and technology - improv ements that increase your saf ety and efficiency . Visit your [...]

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

English – 9 GENERAL SAFETY PRECA UTIONS 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 forward. If your hand only lightly touches the front guard or slips o ver it, the f orce may not be enough to trigger the chain brak e. Y ou should also maintain a firm gr ip of the chai[...]

10 – English GENERAL SAFETY PRECA UTIONS Cutting hardwoods (most broadleaf trees) creates more vibration than cutting softwoods (most conif ers). Cutting with cutting equipment that is blunt or f aulty (wrong type or badly shar pened) will increase the vibration le vel. Stop switc h Use the stop s witch to switch off the engine . Muffler The muf[...]

English – 11 GENERAL SAFETY PRECA UTIONS • Keep cutting equipment well lubricated and pr operly maintained! A poorly lubricated chain is more likely to break and lead to increased wear on the bar , chain and drive sproc ket. Cutting equipment designed to reduce kickbac k The only wa y to avoid kic kback is to mak e sure that the kickbac k zone [...]

12 – English GENERAL SAFETY PRECA UTIONS Sharpening y our chain and adjusting depth gauge setting General information on sharpening cutting teeth • Ne ver use a b lunt chain. When the chain is blunt y ou hav e to e xert more pressure to force the bar through the wood and the chips will be very small. If the chain is very blunt it will produce w[...]

English – 13 GENERAL SAFETY PRECA UTIONS Adjustment of depth gauge setting • The cutting teeth should be newly sharpened before adjusting the depth gauge setting. We recommend that you adjust the depth gauge setting e very third time you shar pen the cutting teeth. NO TE! This recommendation assumes that the length of the cutting teeth is not r[...]

14 – English GENERAL SAFETY PRECA UTIONS Checking c hain lubrication • Check the chain lubrication each time you refuel. See instructions under the heading Lubr icating the bar tip sprock et. Aim the tip of the bar at a light coloured surf ace about 20 cm (8 inches) aw a y . After 1 minute r unning at 3/4 throttle you should see a distinct line[...]

English – 15 GENERAL SAFETY PRECA UTIONS Bar Check regularly: • Whether there are burrs on the edges of the bar . Remov e these with a file if necessar y . • Whether the groov e in the bar has become badly wor n. Replace the bar if necessar y . • Whether the tip of the bar is une ven or badly w or n. If a hollow f or ms on the underside of[...]

16 – English ASSEMBL Y Fitting the bar and chain Check that the chain br ake is in disengaged position b y moving the front hand guard to wards the front handle. Remov e the bar nuts and remo ve the clutch co ver (chain brak e). T ake off the transpor tation ring (A). Fit the bar ov er the bar bolts. Place the bar in its rearmost position. Place [...]

English – 17 FUEL HANDLING Fuel Note! The machine is equipped with a two-strok e engine and must alwa ys be r un using a mixture of petrol and two-strok e 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 inaccur acies can drast[...]

18 – English FUEL HANDLING Fuelling 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 fue[...]

English – 19 ST AR TING AND ST OPPING Star ting and stopping Cold engine Starting: The chain brak e must be engaged when the chain saw is started. Activ ate the brake b y moving the front hand guard f orwards. Ignition; choke (A): Set the choke control in the chok e position. This should automatically set the stop s witch to the star t position. [...]

20 – English ST AR TING AND ST OPPING Note! Reactivate the chain br ake b y pushing the front hand guard back to wards the front handle . The chain saw is no w ready f or use. • Ne ver start a chain saw unless the bar , chain and all cov ers are fitted correctly . See instr uctions under the heading Assembly . Without a bar and chain attached [...]

English – 21 W ORKING TECHNIQ UES Bef ore use: 1 Check that the chain br ake works correctly and is not damaged. 2 Check that the rear right hand guard is not damaged. 3 Check that the throttle loc k 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. 6 [...]

22 – English W ORKING TECHNIQ UES 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 situations can cause serious personal injur y . 6 Bef ore moving y our chain saw s witch off the engine and lock the chain using the chain br ake . Carr y the chain saw with the bar and chain p[...]

English – 23 W ORKING TECHNIQ UES 7 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 on the push strok e. The chain tr ies to push the chain saw bac k tow ards the user . If the saw chain is jamming, the saw ma y be pushed back at you. 8 Unless the user resi[...]

24 – English W ORKING TECHNIQ UES Limbing When limbing thick br anches you should use the same approach as f or cutting. Cut difficult branches piece b y piece. 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 [...]

English – 25 W ORKING TECHNIQ UES T ree felling technique Safe distance The saf e distance between a tree that is to be f elled and any one else working 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 [...]

26 – English W ORKING TECHNIQ UES Felling F elling is done using three cuts. First you mak e the directional cuts, which consist of the top cut and the bottom cut, then y ou 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 beg[...]

English – 27 W ORKING TECHNIQ UES W e recommend that you use a bar that is longer than the diameter of the tree, so that y ou can make the f elling 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 f or your sa w . There are methods f[...]

28 – English W ORKING TECHNIQ UES How to a void 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 , known as the kickbac k zone , touches an object. Kickbac k alwa ys occurs in the cutting plane of the bar . [...]

English – 29 MAINTENANCE General The user must only carry out the maintenance and ser vice work described in this Operator’ s Manual. More e xtensive work must be carried out by an authorised ser vice workshop . Carb urettor adjustment Due to e xisting environmental and emissions legislation y our chain saw is equipped with mo vement limiters o[...]

30 – English MAINTENANCE High speed jet H At the factory the engine is adjusted at sea level. When working at a high altitude or in diff erent 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 dama ge the p[...]

English – 31 MAINTENANCE Gr asp the chain sa w fir mly , wrapping your fingers and thumbs around the handles. Apply full throttle and activate the chain br ake b y tilting your left wrist forw ard onto the front hand guard. Do not let go of the front handle. The chain should stop immediatel y . Throttle loc k • Make sure the throttle control [...]

32 – English MAINTENANCE Muffler Ne ver use a machine that has a f aulty muffler . Regularly check that the muffler is securely attached to the machine. Some mufflers are equipped with a special spark arrestor mesh. If your machine has this type of muffler , you should clean the mesh at least once a week. This is best done with a wire brush.[...]

English – 33 MAINTENANCE T ensioning the recoil spring • Hook the star ter cord in the notch in the pulley and turn the star ter pulley about 2 turns clockwise . Note! Check that the pulle y can be turned at least a fur ther 1/2 turn when the star ter cord is pulled all the way out. Changing a br oken recoil spring • Lift off the pulley . See[...]

34 – English MAINTENANCE that the electrode gap is 0.5 mm. The spark plug should be replaced after about a month in operation or earlier if necessar y . Note! Alwa ys use the recommended spar k plug type! Use of the wrong spark plug can damage the piston/cylinder . Check that the spark plug is fitted with a suppressor . Lubricating the bar tip s[...]

English – 35 MAINTENANCE ”Air Injection” centrifugal cleaning Centrifugal cleaning means the follo wing: All air to the carburettor passes through the starter . Dir t and dust is centrifuged out by the cooling f an. IMPOR T ANT! In order to maintain operation of the centr ifugal cleaning system it must be regularly maintained. Clean the air i[...]

36 – English 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 , check the cooling[...]

English – 37 TECHNICAL D A T A T echnical data Note 1: Noise emissions in the environment measured as sound power (L W A ) in conf ormity with EC directive 2000/14/EC . Note 2: Equivalent sound pressure le vel, according to ISO 7182, is calculated as the time-w eighted energy total f or noise press ure le vels under v ar ious working conditions w[...]

38 – English TECHNICAL D A T A ´®z+H8h¶6S¨ ´®z+H8h¶6S¨ Bar and chain combinations The f ollowing combinations are CE approv ed. Bar Chain Length, inches Pitch, inch Groo ve width, mm Max. number of teeth on the bar tip sproc ket T ype Length, drive links (no.) 13 0,325 1,3 10T Husqvarna H30 56 15 0,325 10T 64 16 0,325 10T 66 18 0,325 10T [...]

English – 39 TECHNICAL D A T A EC-declaration of conf ormity (Applies to Eur ope only) Husqvarna AB , SE-561 82 Huskvarna, Sweden, tel +46-36-146500, declares under sole responsibility that the chain sa w Husqvarna 455 Ranc her from 2005’ s serial numbers and onwards (the year is clearly stated in plain te xt on the type plate with subsequent s[...]

´®z+H8h¶6S¨ 2005-05-13 ´®z+H8h¶6S¨ 1140247-26[...]