Husqvarna 435e 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 115 10 81-95 Rev .1 2008-01-08 445 445e 450e Oper ator’ s manual (EP A II) Please read the operator’ s manual carefully and make sur e you understand the instructions before using the machine.[...]

KEY T O SYMBOLS 2 – English 115 10 81-95 Rev .1 2008-01-08 Symbols on the machine: 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: ?[...]

CONTENTS English – 3 115 10 81-95 Rev .1 2008-01-08 Contents KEY T O SYMBOLS Symbols on the machine: 2 Symbols in the operator’ s manual: 2 CONTENTS Contents 3 INTRODUCTION Dear customer! 4 WHA T IS WHA T? What is what on the chain saw? 5 GENERAL SAFETY PRECA UTIONS Before using a ne w chain saw 6 Impor tant 6 Alwa ys use common sense 7 P erson[...]

4 – English INTRODUCTION 115 10 81-95 Rev .1 2008-01-08 Dear customer! Congratulations on y our choice to buy a Husqvarna product! Husqvarna 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 , for production of muskets . The location was logica[...]

English – 5 WHA T IS WHA T? 115 10 81-95 Rev .1 2008-01-08 What is what on the chain saw? 1 Cylinder cov er 2 Decompression valv e 3 Air purge 4 Star t reminder 5 Combined star t and stop switch 6 Rear handle 7 Information and warning decal 8 Fuel tank 9 Adjuster screws carb uretor 10 Star ter handle 11 Star ter 12 Chain oil tank 13 Product and s[...]

GENERAL SAFETY PRECA UTIONS 6 – English 115 10 81-95 Rev .1 2008-01-08 Before using a ne w chain sa w • 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 Handl[...]

GENERAL SAFETY PRECA UTIONS English – 7 115 10 81-95 Rev .1 2008-01-08 Alwa ys use common sense It is not possible to co ver e very conceivable situation y ou can face when using a chain sa w . Alw ays e xercise 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 [...]

GENERAL SAFETY PRECA UTIONS 8 – English 115 10 81-95 Rev .1 2008-01-08 • 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 th[...]

GENERAL SAFETY PRECA UTIONS English – 9 115 10 81-95 Rev .1 2008-01-08 If the kickbac k is less violent or the kickback z one of the bar is closer to you the chain brak e is designed to be activated manually b y the mov ement of your left hand. • In the felling position the left hand is in a position that makes manual activ ation of the chain b[...]

GENERAL SAFETY PRECA UTIONS 10 – English 115 10 81-95 Rev .1 2008-01-08 Right hand guard Apar t from protecting your hand if the chain jumps or snaps, the right hand guard stops branches and twigs from interfering with your g rip on the rear handle. Vibration damping system Y our machine is equipped with a vibration damping system that is designe[...]

GENERAL SAFETY PRECA UTIONS English – 11 115 10 81-95 Rev .1 2008-01-08 Cutting equipment This section describes how to choose and maintain your cutting equipment in order to: • Reduce the risk of kickback. • Reduce the risk of the saw chain breaking or jumping off the bar . • Obtain optimal cutting performance. • Extend the life of cutti[...]

GENERAL SAFETY PRECA UTIONS 12 – English 115 10 81-95 Rev .1 2008-01-08 • Number of drive links. The number of driv e links is determined by the length of the bar , the chain pitch and the number of teeth on the bar tip sprock et. • Bar groov e width (inches/mm). The groov e in the bar must match the width of the chain drive links. • Chain [...]

GENERAL SAFETY PRECA UTIONS English – 13 115 10 81-95 Rev .1 2008-01-08 It is very difficult to sharpen a chain correctly without the right equipment. W e recommend that you use our file gauge. This will help you obtain the maxim um kickback reduction and cutting performance from your chain. See instructions under the heading T echnical data fo[...]

GENERAL SAFETY PRECA UTIONS 14 – English 115 10 81-95 Rev .1 2008-01-08 T ensioning the chain The more you use a chain the longer it becomes. It is therefore important to adjust the chain regularly to take up the slack. Check the chain tension e very time you refuel. NO TE! A new chain has a running-in period during which you should check the ten[...]

GENERAL SAFETY PRECA UTIONS English – 15 115 10 81-95 Rev .1 2008-01-08 • Fold the knob bac k in to lock the tensioning. 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 a[...]

GENERAL SAFETY PRECA UTIONS 16 – English 115 10 81-95 Rev .1 2008-01-08 Chain drive sproc ket The clutch drum is fitted with one of the following driv e 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. R[...]

ASSEMBL Y English – 17 115 10 81-95 Rev .1 2008-01-08 Fitting the bar and chain 445 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 [...]

ASSEMBL Y 18 – English 115 10 81-95 Rev .1 2008-01-08 Fit the bar ov er the bar bolts. Place the bar in its rearmost position. Place the chain ov er the drive sprock et 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 forw ard on the top edge of the bar . Fit the cl[...]

FUEL HANDLING English – 19 115 10 81-95 Rev .1 2008-01-08 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 mixed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, ev en [...]

FUEL HANDLING 20 – English 115 10 81-95 Rev .1 2008-01-08 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 before refuelling. The capacities o[...]

ST ARTING AND ST OPPING English – 21 115 10 81-95 Rev .1 2008-01-08 Starting and stopping 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 forw ards. Cold engine Start position (1): Set the star t/stop switch in the chok e position by pulling the red control ou[...]

ST ARTING AND ST OPPING 22 – English 115 10 81-95 Rev .1 2008-01-08 Note! Pull the front hand guar d towards the fr ont handle. The chain brake is now disenga ged. Y our saw is ready for use . • Nev er star t a chain saw unless the bar , chain and all cov ers are fitted correctly . See instructions under the heading Assembly . Without a bar an[...]

WORKING TECHNIQ UES English – 23 115 10 81-95 Rev .1 2008-01-08 Before 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 a[...]

WORKING TECHNIQ UES 24 – English 115 10 81-95 Rev .1 2008-01-08 6 Before mo ving your chain saw s witch off the engine and lock the chain using the chain brak e. Carry 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[...]

WORKING TECHNIQ UES English – 25 115 10 81-95 Rev .1 2008-01-08 7 T ake g reat care when you 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 back to wards the user . If the saw chain is jamming, the sa w may be pushed back a[...]

WORKING TECHNIQ UES 26 – English 115 10 81-95 Rev .1 2008-01-08 Limbing When limbing thick branches y ou 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 . R[...]

WORKING TECHNIQ UES English – 27 115 10 81-95 Rev .1 2008-01-08 Felling direction The aim is to fell the tree in a position where y ou can limb and cross-cut the log as easily as possible. Y ou want it to fall in a location where y ou can stand and mov e about safely . Once you ha ve decided which wa y you w ant the tree to fall you must judge wh[...]

WORKING TECHNIQ UES 28 – English 115 10 81-95 Rev .1 2008-01-08 Next mak e the bottom cut so that it finishes exactly at the end of the top cut. The directional cuts should run 1/4 of the diameter through the trunk and the angle between the top cut and bottom cut should be 45 ° . The line where the two cuts meet is called the directional cut li[...]

WORKING TECHNIQ UES English – 29 115 10 81-95 Rev .1 2008-01-08 Freeing a tree that has fallen badly Freeing a ”trapped tree” It is very dangerous to remove a tr apped tree and there is high accident risk. Nev er try to fell the tree that is trapped. Nev er work in the risk zone of the hanging trapped tree. The safest method is to use a winch[...]

WORKING TECHNIQ UES 30 – English 115 10 81-95 Rev .1 2008-01-08 Kickbac k always occurs in the cutting plane of the bar . Normally the chain saw and bar are thrown backw ards and upwards tow ards the user . Howe ver , the chain saw may mo ve in a diff erent direction depending on the wa y it was being used when the kickbac k zone of the bar touch[...]

MAINTENANCE English – 31 115 10 81-95 Rev .1 2008-01-08 General The user must only carry out the maintenance and service work descr ibed in this manual. More e xtensive work must be carried out by an authorised service workshop. Carburetor adjustment Y our Husqvarna product has been designed and manuf actured to specifications that reduce har mf[...]

MAINTENANCE 32 – English 115 10 81-95 Rev .1 2008-01-08 Checking the inertia brake release With the engine turned off, hold the chain saw o ver 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.[...]

MAINTENANCE English – 33 115 10 81-95 Rev .1 2008-01-08 Chain catcher Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw . Right hand guard Check that the right hand guard is not damaged and that there are no visible def ects, such as crac ks. Vibration damping system Regularly check the vibration dam[...]

MAINTENANCE 34 – English 115 10 81-95 Rev .1 2008-01-08 Note! The screen must be replaced if it is damaged. If the screen is bloc ked the machine will ov erheat and this will cause damage to the cylinder and piston. Ne ver use a machine with a muffler that is in poor condition. Never use a muffler if the spark arrestor screen is missing or defe[...]

MAINTENANCE English – 35 115 10 81-95 Rev .1 2008-01-08 Stretch the line with the handle. Move your thumb and release the line. See the figure below . Replacing the return and drive 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 spri[...]

MAINTENANCE 36 – English 115 10 81-95 Rev .1 2008-01-08 Spark plug The spark plug condition is influenced by: • Incorrect carburetor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil). • A dir ty air filter . These factors cause deposits on the spark plug electrodes, which ma y result in operating problems and sta[...]

MAINTENANCE English – 37 115 10 81-95 Rev .1 2008-01-08 ”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 operation of the centrifugal cleaning system it must be regularly mainta[...]

38 – English MAINTENANCE 115 10 81-95 Rev .1 2008-01-08 Maintenance schedule The follo wing is a list of the maintenance that must be performed on the machine. Most of the items are descr ibed in the Maintenance section. Daily maintenance W eekly maintenance Monthly maintenance Clean the outside of the machine. On chain saws without a catalytic c[...]

English – 39 TECHNICAL D A T A 115 10 81-95 Rev .1 2008-01-08 T echnical data 445 445e 450e Engine Cylinder displacement, cu.in/cm 3 2,79/45,7 2,79/45,7 3,06/50,2 Cylinder bore, inch/mm 1,65/42 1,65/42 1,73/44 Stroke, inch/mm 1,30/33 1,30/33 1,30/33 Idle speed, rpm 2700 2700 2700 P ower , kW/hp @ rpm 2,1 / 2,8 @ 9000 2,1 / 2,8 @ 9000 2,4/3,2 @ 90[...]

40 – English TECHNICAL D A T A 115 10 81-95 Rev .1 2008-01-08 Recommended original and replacement bar and chain combinations Follo wing is a list of recommended cutting equipment for the Husqv arna chain saw models 445, 445e and 450e. The combinations of power head, bar and chain ha ve been tested and f ound to be in accordance with the kickbac [...]

FEDERAL EMISSION CONTROL W ARRANTY ST A TEMENT English – 41 115 10 81-95 Rev .1 2008-01-08 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.[...]

´®z+S(3¶5ߨ ´®z+S(3¶5ߨ 42 – English AMERICAN ST AND ARD SAFETY PRECA UTIONS 115 10 81-95 Rev .1 2008-01-08 Safety precautions f or chain saw users (ANSI B 175.1-2000 Annex C) Kickbac k safety precautions With a basic understanding of kickbac k, you can reduce or eliminate the element of surpr ise. Sudden sur prise contributes to accide[...]

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