Instruction/ maintenance manual of the product 115 13 81-95 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 115 13 81-95 Rev .3 2008-12-15 445 445e 450e Oper ator’ s manual (EP A III) 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 13 81-95 Rev .3 2008-12-15 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.
CONTENTS English – 3 115 13 81-95 Rev .3 2008-12-15 Contents KEY T O SYMBOLS Symbols on the machine: ..................................... 2 Symbols in the operator’ s manual: ....................... 2 CONTENTS Contents ...........................
4 – English INTRODUCTION 115 13 81-95 Rev .3 2008-12-15 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 .
English – 5 WHA T IS WHA T? 115 13 81-95 Rev .3 2008-12-15 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 R.
GENERAL SAFETY PRECA UTIONS 6 – English 115 13 81-95 Rev .3 2008-12-15 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 .
GENERAL SAFETY PRECA UTIONS English – 7 115 13 81-95 Rev .3 2008-12-15 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 .
GENERAL SAFETY PRECA UTIONS 8 – English 115 13 81-95 Rev .3 2008-12-15 • 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.
GENERAL SAFETY PRECA UTIONS English – 9 115 13 81-95 Rev .3 2008-12-15 of the front hand guard, the chain brake can only be activated b y the iner tia action. Will m y hand always activ ate the chain brake during a kickbac k? No . It takes a certain force to mov e the hand guard forw ard.
GENERAL SAFETY PRECA UTIONS 10 – English 115 13 81-95 Rev .3 2008-12-15 Vibration damping system Y our machine is equipped with a vibration damping system that is designed to reduce vibration and make operation easier .
GENERAL SAFETY PRECA UTIONS English – 11 115 13 81-95 Rev .3 2008-12-15 General rules • Only use cutting equipment recommended by us! See instructions under the heading T echnical data. • Keep the chain’ s cutting teeth properly sharpened! Follow our instructions and use the recommended file gauge.
GENERAL SAFETY PRECA UTIONS 12 – English 115 13 81-95 Rev .3 2008-12-15 • 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).
GENERAL SAFETY PRECA UTIONS English – 13 115 13 81-95 Rev .3 2008-12-15 Sharpening cutting teeth T o sharpen cutting teeth you will need a round file and a file gauge. See instr uctions under the heading T echnical data for inf ormation on the size of file and gauge that are recommended for the chain fitted to y our chain saw .
GENERAL SAFETY PRECA UTIONS 14 – English 115 13 81-95 Rev .3 2008-12-15 445 • Loosen the bar nut that holds the clutch cov er and chain brake . Use the combination spanner .
GENERAL SAFETY PRECA UTIONS English – 15 115 13 81-95 Rev .3 2008-12-15 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 .
GENERAL SAFETY PRECA UTIONS 16 – English 115 13 81-95 Rev .3 2008-12-15 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.
ASSEMBL Y English – 17 115 13 81-95 Rev .3 2008-12-15 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).
ASSEMBL Y 18 – English 115 13 81-95 Rev .3 2008-12-15 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 .
FUEL HANDLING English – 19 115 13 81-95 Rev .3 2008-12-15 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.
FUEL HANDLING 20 – English 115 13 81-95 Rev .3 2008-12-15 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.
ST ARTING AND ST OPPING English – 21 115 13 81-95 Rev .3 2008-12-15 Starting and stopping Starting The chain brake should be activ ated when star ting the chain saw .
ST ARTING AND ST OPPING 22 – English 115 13 81-95 Rev .3 2008-12-15 CA UTION! Do not pull the star ter cord all the wa y out and do not let go of the star ter handle when the cord is fully extended. This can damage the machine . Note! Pull the front hand guar d towards the fr ont handle.
WORKING TECHNIQ UES English – 23 115 13 81-95 Rev .3 2008-12-15 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.
WORKING TECHNIQ UES 24 – English 115 13 81-95 Rev .3 2008-12-15 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 .
WORKING TECHNIQ UES English – 25 115 13 81-95 Rev .3 2008-12-15 user . If the saw chain is jamming, the sa w may be pushed back at y ou. 8 Unless the user resists this pushing force there is a risk that the chain saw will mov e so far bac kwards that only the kickbac k zone of the bar is in contact with the tree, which can lead to a kickbac k.
WORKING TECHNIQ UES 26 – English 115 13 81-95 Rev .3 2008-12-15 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 .
WORKING TECHNIQ UES English – 27 115 13 81-95 Rev .3 2008-12-15 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 .
WORKING TECHNIQ UES 28 – English 115 13 81-95 Rev .3 2008-12-15 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 ° .
WORKING TECHNIQ UES English – 29 115 13 81-95 Rev .3 2008-12-15 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.
WORKING TECHNIQ UES 30 – English 115 13 81-95 Rev .3 2008-12-15 was being used when the kickbac k zone of the bar touched the object. Kickbac k only occurs if the kickback z one of the bar touches an object. Limbing Make sure that y ou can stand and move about saf ely .
MAINTENANCE English – 31 115 13 81-95 Rev .3 2008-12-15 General The user must only carry out the maintenance and service work descr ibed in this manual.
MAINTENANCE 32 – English 115 13 81-95 Rev .3 2008-12-15 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.
MAINTENANCE English – 33 115 13 81-95 Rev .3 2008-12-15 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.
MAINTENANCE 34 – English 115 13 81-95 Rev .3 2008-12-15 use a muffler if the spark arrestor screen is missing or defective. The muffler is designed to reduce the noise le vel and to direct the e xhaust gases aw ay from the oper ator .
MAINTENANCE English – 35 115 13 81-95 Rev .3 2008-12-15 Replacing the return and drive springs Recoil spring (A) • Lift up the star ter pulley . See instructions under the heading Changing a broken or worn starter cord. Remember that the recoil spring is coiled under tension in the star ter housing.
MAINTENANCE 36 – English 115 13 81-95 Rev .3 2008-12-15 Spark plug The spark plug condition is influenced by: • Incorrect carburetor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil).
MAINTENANCE English – 37 115 13 81-95 Rev .3 2008-12-15 ”Air Injection” centrifugal cleaning Centrifugal cleaning means the following: All air to the carburetor passes through the starter.
38 – English MAINTENANCE 115 13 81-95 Rev .3 2008-12-15 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 Weekl y maintenance Monthly maintenance Clean the outside of the machine.
English – 39 TECHNICAL D A T A 115 13 81-95 Rev .3 2008-12-15 T echnical data 445 445e 450e 450 Engine Cylinder displacement, cu.in/cm 3 2,79/45,7 2,79/45,7 3,06/50,2 3,06/50,2 Cylinder bore, inch/m.
40 – English TECHNICAL D A T A 115 13 81-95 Rev .3 2008-12-15 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, 450e and 450.
FEDERAL EMISSION CONTROL W ARRANTY ST A TEMENT English – 41 115 13 81-95 Rev .3 2008-12-15 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 2009 and later small nonroad engine.
´®z+SF3¶5M¨ ´®z+SF3¶5M¨ 42 – English AMERICAN ST AND ARD SAFETY PRECA UTIONS 115 13 81-95 Rev .3 2008-12-15 Safety precautions f or chain saw users (ANSI B175.1-2000 Annex C) Kickbac k safety precautions With a basic understanding of kickbac k, you can reduce or eliminate the element of surpr ise.
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1151381-95 ´®z+SF3¶5M¨ ´®z+SF3¶5M¨ 2008-12-15 115 13 81-95 Rev .3 2008-12-15.
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