Manuale d’uso / di manutenzione del prodotto 455 del fabbricante Husqvarna
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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 460 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 K ey to symbols 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 .
English – 3 CONTENTS Contents KEY T O SYMBOLS K ey to symbols ............................................................. 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! 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 , f or production of muskets .
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.
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 .
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 or mation 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 .
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 ive system (D) (clutch drum). • The front hand guard is not designed solely to activate the chain brak e.
English – 9 GENERAL SAFETY PRECA UTIONS Will m y hand alwa ys activ ate the chain brake during a kickbac k? No . It tak es a cer tain force to mov e the hand guard f orward. 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.
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.
English – 11 GENERAL SAFETY PRECA UTIONS Cutting equipment designed to reduce kickbac k The only wa y to av oid kickbac k is to make sure that the kickbac k zone of the bar ne ver touches an ything.
12 – English GENERAL SAFETY PRECA UTIONS When you sharpen a cutting tooth there are four important f actors to remember . 1 Filing angle 2 Cutting angle 3 File position 4 Round file diameter It is very difficult to shar pen a chain correctly without the right equipment.
English – 13 GENERAL SAFETY PRECA UTIONS through the depth gauge tool. The depth gauge setting is correct when you no longer f eel resistance as you dr aw the file along the depth gauge tool. T ensioning the chain The more you use a chain the longer it becomes .
14 – English GENERAL SAFETY PRECA UTIONS If the chain lubrication is not working: • Check that the oil channel in the bar is not obstructed. Clean if necessar y .
English – 15 GENERAL SAFETY PRECA UTIONS • T o prolong the life of the bar y ou should tur n it ov er daily . ! W ARNING! Most chain saw accidents happen when the chain touches the operator . W ear personal protective equipment. See instructions under the heading P ersonal protective equipment.
16 – English 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. Remov e the bar nuts and remov e the clutch cov er (chain brak e). T ake off the transportation r ing (A).
English – 17 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.
18 – English 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.
English – 19 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 (A): Set the chok e control in the choke position.
20 – English ST AR TING AND ST OPPING Note! Pull the front hand guard tow ards the front handle. The chain brak e is now disengaged. Y our sa w is ready for use . • Ne ver star t a chain saw unless the bar , chain and all cov ers are fitted correctly .
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.
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 your chain sa w switch off the engine and lock the chain using the chain br ake.
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 with a pushing chain. The chain tries to push the chain saw bac k towards the user .
24 – English W ORKING TECHNIQ UES The f ollowing instructions descr ibe how to handle the common situations you are lik ely to encounter when using a chain saw . Limbing When limbing thick br anches you should use the same approach as f or cutting. Cut difficult branches piece b y piece.
English – 25 W ORKING TECHNIQ UES T ree f elling technique Safe distance The saf e distance between a tree that is to be felled 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” bef ore or during felling.
26 – English W ORKING TECHNIQ UES Felling F elling is done using three cuts. First y ou make 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 .
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 saw .
28 – 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.
English – 29 MAINTENANCE General The user must only carry out the maintenance and ser vice work described in this manual. More e xtensive work must be carried out by an authorised ser vice workshop.
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.
English – 31 MAINTENANCE Checking the brake trig ger Place the chain saw on firm ground and star t it. Mak e sure the chain does not touch the ground or any other object. See the instructions under the heading Star t and stop. Grasp the chain sa w fir mly , wrapping y our fingers and thumbs around the handles.
32 – English MAINTENANCE Stop switc h Star t the engine and make sure the engine stops when y ou mov e the stop switch to the stop setting. Muffler Ne ver use a machine that has a f aulty muffler . Regularly check that the muffler is securely attached to the machine.
English – 33 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 .
34 – English 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 par ts • Excessive fuel consumption.
English – 35 MAINTENANCE Needle bearing lubrication The clutch drum has a needle bear ing on the output shaft. This needle bearing must be lubricated regular ly (once a week). When lubricating, remove the clutch co ver b y loosening the two bar nuts .
36 – English MAINTENANCE Winter use Running problems can occur when using the machine in the cold and snowy conditions caused b y: • T oo low engine temperature.
English – 37 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.
38 – English TECHNICAL D A T A T echnical data 455 460 Engine Cylinder displacement, cu.in/cm 3 3,38/55,5 3,68/60,3 Cylinder bore, inch/mm 1,85/47 1,93/49 Stroke , inch/mm 1,26/32 1,26/32 Idle speed.
English – 39 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 model 455 Rancher 460.
40 – 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 .
English – 41 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 surpr ise contributes to accidents.
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Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Husqvarna 455 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Husqvarna 455 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Husqvarna 455 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Husqvarna 455 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Husqvarna 455, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Husqvarna 455.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Husqvarna 455. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Husqvarna 455 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
