Husqvarna 1153136-95 manuale d’uso

1153136-95 Rev .2 2010-04-08 445 445e 450 450e Oper ator’ s manual Please r ead the operator’ s manual carefully and mak e sure you understand the instructions before using the machine. 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[...]

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KEY T O SYMBOLS English – 7 1153136-95 Rev .2 2010-04-08 Symbols on the mac hine and/or in the manual: 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 you understand the instructions before using the machin[...]

CONTENTS 8 – English 1153136-95 Rev .2 2010-04-08 Contents KEY T O SYMBOLS Symbols on the machine and/or in the man ual: .... 7 CONTENTS Contents ............................................................... 8 INTR ODUCTION Dear customer! ..................................................... 9 WHA T IS WHA T? What is what on the chain sa w? ...[...]

INTR ODUCTION English – 9 1153136-95 Rev .2 2010-04-08 Dear customer! Cong ratulations on your choice to b uy a Husqvarna 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. The location was logical[...]

GENERAL SAFETY PRECA UTIONS 10 – English 1153136-95 Rev .2 2010-04-08 Bef ore using a new c hain saw • Please read this manual carefully . • (1) - (113) refer to figures on p . 2-6. • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly . • Refuel and star t the chain saw . See t[...]

GENERAL SAFETY PRECA UTIONS English – 11 1153136-95 Rev .2 2010-04-08 Al wa ys use common sense (2) It is not possible to co ver ev er y conceivab le situation you can face when using a chain sa w . Alw ays e xercise care and use your common sense. Av oid all situations which you consider to be be yond your capability . If you still f eel uncer t[...]

GENERAL SAFETY PRECA UTIONS 12 – English 1153136-95 Rev .2 2010-04-08 If you get a violent kic kback while the kickback z one of the bar is farthest awa y from you the chain brak e is designed to be activated b y the iner tia in the kickback direction. (7) If the kickbac k is less violent or the kickback zone of the bar is closer to you the chain[...]

GENERAL SAFETY PRECA UTIONS English – 13 1153136-95 Rev .2 2010-04-08 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 hot, dr y climate there is a high risk of fires. These areas are sometimes subject to government rules requiring among other things the muffl[...]

GENERAL SAFETY PRECA UTIONS 14 – English 1153136-95 Rev .2 2010-04-08 Chain • Chain pitch (inches) (14) • Drive link width (mm/inches) (16) • Number of drive links. (17) Sharpening your c hain and adjusting depth gauge setting General inf ormation on sharpening cutting teeth • Nev er use a blunt chain. When the chain is blunt you hav e to[...]

GENERAL SAFETY PRECA UTIONS English – 15 1153136-95 Rev .2 2010-04-08 445, 450 • Loosen the bar nut that holds the clutch cov er and chain brake . Use the combination spanner. Then retighten the bar nut as tightly as you can b y hand. (27) • Raise the tip of the bar and stretch the chain by tightening the chain tensioning screw using the comb[...]

GENERAL SAFETY PRECA UTIONS 16 – English 1153136-95 Rev .2 2010-04-08 Needle bearing lubrication Both v ersions of sproc kets hav e a needle bear ing on the drive shaft, which has to be greased regularly (once a week). NB! Use only high quality bearing grease or engine oil. See instructions under the heading Maintenance, Needle bearing lubricatio[...]

ASSEMBL Y English – 17 1153136-95 Rev .2 2010-04-08 Fitting the bar and chain 445, 450 Chec k that the chain brak e is in disengaged position by moving the front hand guard tow ards the front handle. (39) Unscre w the bar nut and remo ve the clutch cov er (chain brake). T ake off the transportation ring (A). (40) Fit the bar ov er the bar bolt. P[...]

FUEL HANDLING 18 – English 1153136-95 Rev .2 2010-04-08 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 sm[...]

FUEL HANDLING English – 19 1153136-95 Rev .2 2010-04-08 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 well mix ed by shaking the container before refuelling. The capacities of [...]

ST AR TING AND ST OPPING 20 – English 1153136-95 Rev .2 2010-04-08 Star ting and stopping Starting The chain brake should be activ ated when star ting the chain saw . Activ ate the chain brake by pushing the front hand guard forw ards. (49) Cold engine Start position, 1: Set the start/stop switch in the choke position by pulling the red control o[...]

WORKING TECHNIQUES English – 21 1153136-95 Rev .2 2010-04-08 Bef ore use: (55) 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 tha[...]

WORKING TECHNIQUES 22 – English 1153136-95 Rev .2 2010-04-08 sa w chain and be thrown to wards you. Even if this does not need to be a danger , you may be surprised and lose control of the saw . Ne ver saw stac ked logs or branches without first separating them. Only saw one log or one piece at a time. Remov e the cut pieces to keep y our workin[...]

WORKING TECHNIQUES English – 23 1153136-95 Rev .2 2010-04-08 The log is lying on the gr ound . There is little r isk of the chain jamming or the object splitting. Howe ver there is a risk that the chain will touch the ground when you finish the cut. (68) Cut all the wa y through the log from above. Av oid letting the chain touch the ground as yo[...]

WORKING TECHNIQUES 24 – English 1153136-95 Rev .2 2010-04-08 Felling cut The f elling cut is made from the opposite side of the tree and it must be perf ectly hor izontal. Stand on the left side of the tree and cut on the pull stroke. Make the f elling cut about 1.5-2 inches (3-5 cm) above the bottom directional cut. (81) Finish the felling cut p[...]

MAINTENANCE English – 25 1153136-95 Rev .2 2010-04-08 General The user must only carry out the maintenance and service work descr ibed in this manual. More extensiv e work must be carried out by an authorized service workshop. Carb uretor adjustment Y our Husqvarna product has been designed and manuf actured to specifications that reduce har mfu[...]

MAINTENANCE 26 – English 1153136-95 Rev .2 2010-04-08 Throttle loc kout • Make sure the throttle control is loc ked at the idle setting when the throttle lock out is released. (95) • Press the throttle lock out and make sure it returns to its original position when you release it. (96) • Check that the throttle control and throttle loc kout[...]

MAINTENANCE English – 27 1153136-95 Rev .2 2010-04-08 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 tur ned an additional 1/2 turn when the star ter cord is pulled all the wa y out. (104) Stretch the line with the handle[...]

MAINTENANCE 28 – English 1153136-95 Rev .2 2010-04-08 Cooling system T o keep the working temperature as low as possible 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 over [...]

English – 29 MAINTENANCE 1153136-95 Rev .2 2010-04-08 Maintenance schedule The follo wing is a list of the maintenance that must be performed on the machine. Most of the items are described in the Maintenance section. Daily maintenance Weekl y maintenance Monthly maintenance Clean the outside of the machine . On chain saws without a catalytic con[...]

30 – English TECHNICAL D A T A 1153136-95 Rev .2 2010-04-08 T echnical data Recommended original and replacement bar and chain combinations F ollo wing is a list of recommended cutting equipment for the Husqvarna chain saw models 445, 445e , 450 and 450e. The combinations of power head, bar and chain ha ve been tested and found to be in accordanc[...]

English – 31 TECHNICAL D A T A 1153136-95 Rev .2 2010-04-08 Bar and chain combinations Chain saw models Husqv ar na 445, 445e, 450 and 450e met the kickbac k performance requirements of ANSI B 175.1- 2000 when tested with the combinations of bars and saw chains listed below . The sa w chain Husqvarna H30 is also classified as a low kickbac k saw[...]

FEDERAL EMISSION CONTROL W ARRANTY ST A TEMENT 32 – English 1153136-95 Rev .2 2010-04-08 Y OUR W ARRANTY RIGHTS AND OBLIGA TIONS The EP A (The US Environmental Protection Agency), Environment Canada and Husqv ar na Forest & Garden are pleased to explain the emissions control system warranty on y our 2009 and later small nonroad engine. In U .[...]

FEDERAL EMISSION CONTROL W ARRANTY ST A TEMENT English – 33 1153136-95 Rev .2 2010-04-08 MAINTENANCE, REPLA CEMENT AND REP AIR OF EMISSION-RELA TED P ARTS An y Husqv ar na Forest & Garden approv ed replacement par t used in the performance of any w arranty maintenance or repairs on emission-related par ts, will be provided without charge to t[...]

AMERICAN ST AND ARD SAFETY PRECA UTIONS 34 – English 1153136-95 Rev .2 2010-04-08 Saf ety precautions f or chain saw users (ANSI B175.1-2000 Anne x C) Kickbac k safety precautions With a basic understanding of kickbac k, you can reduce or eliminate the element of surpr ise. Sudden surpr ise contributes to accidents. K eep a good fir m grip on th[...]

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1153136-95 ´®z+U-e¶56¨ ´®z+U-e¶56¨ 2010-04-08 The engine exhaust from this product contains chemical known to the State of California to cause cancer , birth defects or other reproductive harm. Original instructions[...]