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Operator’s manual
Manual de instrucciones
445 EPA III 445e EPA III
450e EPA III
Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.
E En ng glliis sh h ( (2 2- -4 42 2) )
E En ng glliis sh h ( (2 2- -4 42 2) )
Lea detenidamente el manual de instrucciones y asegúrese de entender su contenido antes de utilizar la máquina.
S Sp pa an niis sh h ( (4 43 3- -8 84 4) )
S Sp pa an niis sh h ( (4 43 3- -8 84 4) )
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KEY TO SYMBOLS Symbols on the machine: WARNING! Chain saws can be Regular cleaning is required. 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 Visual check. understand the instructions before using the machine. Always wear: • Approved protective helmet Protective goggles or a visor must be • Approved hearing protection worn. • Protectiv
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CONTENTS FEDERAL EMISSION CONTROL WARRANTY Contents STATEMENT KEY TO SYMBOLS YOUR WARRANTY RIGHTS AND OBLIGATIONS 41 Symbols on the machine: ..................................... 2 AMERICAN STANDARD SAFETY Symbols in the operator’s manual: ....................... 2 PRECAUTIONS CONTENTS Safety precautions for chain saw users ................ 42 Contents ............................................................... 3 INTRODUCTION Dea
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INTRODUCTION Dear customer! Congratulations on your choice to buy 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, for production of muskets. The location was logical, since water power was harnessed from the Huskvarna River to create the water- powered plant. During over 300 years of continuous operation, the Husqvarna factory has produced a
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WHAT IS WHAT? What is what on the chain saw? 1 Cylinder cover 17 Muffler 2 Decompression valve 18 Chain 3 Air purge 19 Bar tip sprocket 4 Start reminder 20 Bar 5 Combined start and stop switch 21 Bumper spike 6 Rear handle 22 Chain catcher 7 Information and warning decal 23 Chain tensioning screw 8 Fuel tank 24 Clutch cover 9 Adjuster screws carburetor 25 Right hand guard 10 Starter handle 26 Throttle control 11 Starter 27 Throttle lockout 12 Chain oil tank 28 Chain tensioner wheel
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GENERAL SAFETY PRECAUTIONS Before using a new chain saw WARNING! Never allow children to use or be in the vicinity of the machine. As the • Please read this manual carefully. ! machine is equipped with a spring- • Check that the cutting equipment is correctly fitted and loaded stop switch and can be started by adjusted. See instructions under the heading low speed and force on the starter Assembly. handle, even small children under some circumstances can prod
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GENERAL SAFETY PRECAUTIONS • Gloves with saw protection Always use common sense • Trousers with saw protection It is not possible to cover every conceivable situation you • Boots with saw protection, steel toe-cap and non-slip can face when using a chain saw. Always exercise care and use your common sense. Avoid all situations which you sole consider to be beyond your capability. If you still feel • Always have a first aid kit nearby. uncertain about operating procedures after reading these
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GENERAL SAFETY PRECAUTIONS • The chain brake (A) can either be activated manually • To release the chain brake pull the front hand guard (by your left hand) or automatically by the inertia backwards, towards the front handle. release mechanism. • The brake is applied when the front hand guard (B) is pushed forwards. • Kickback can be very sudden and violent. Most kickbacks are minor and do not always activate the • This movement activates a spring-loaded mechanism chain brake. If this happe
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GENERAL SAFETY PRECAUTIONS of the front hand guard, the chain brake can only be Throttle lockout activated by the inertia action. The throttle lockout is designed to prevent accidental operation of the throttle control. When you press the lock (A) (i.e. when you grasp the handle) it releases the throttle control (B). When you release the handle the throttle control and the throttle lockout both move back to their original positions. This arrangement means that the throttle control is au
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GENERAL SAFETY PRECAUTIONS The machine′s vibration damping system reduces the requiring among other things the muffler must be transfer of vibration between the engine unit/cutting equipped with an approved type of spark arrestor screen. equipment and the machine′s handle unit. The body of the chain saw, including the cutting equipment, is insulated from the handles by vibration damping units. Cutting hardwoods (most broadleaf trees) creates more vibration than cutting softwoods (most conifer
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GENERAL SAFETY PRECAUTIONS • Maintain the correct depth gauge setting! Follow Some terms that describe the bar and chain our instructions and use the recommended depth To maintain the safety features of the cutting equipment, gauge clearance. Too large a clearance increases you should replace a worn or damaged bar or chain with the risk of kickback. a bar and chain combinations recommended by Husqvarna. See instructions under the heading Technical Data for a list of replacement bar and cha
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GENERAL SAFETY PRECAUTIONS • Drive link width (mm/inches) 3 File position 4 Round file diameter • Number of drive links. It is very difficult to sharpen a chain correctly without the right equipment. We recommend that you use our file gauge. This will help you obtain the maximum kickback reduction and cutting performance from your chain. Sharpening your chain and adjusting depth gauge setting General information on sharpening cutting teeth • Never use a blunt chain. When the chain is blunt you
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GENERAL SAFETY PRECAUTIONS • File all the teeth to the same length. When the length Tensioning the chain of the cutting teeth is reduced to 0.16 inch (4 mm) the chain is worn out and should be replaced. WARNING! A slack chain may jump off the bar and cause serious or even fatal ! injury. General advice on adjusting depth gauge setting • When you sharpen the cutting tooth (A) the depth The more you use a chain the longer it becomes. It is gauge setting (C) will decrease. To maintain optimal
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GENERAL SAFETY PRECAUTIONS 445e, 450e • Fold the knob back in to lock the tensioning. • Release the knob by folding it out. Lubricating cutting equipment WARNING! Poor lubrication of cutting equipment may cause the chain to snap, ! which could lead to serious, even fatal • Turn the knob anti clockwise to loosen the bar cover. injuries. 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 win
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GENERAL SAFETY PRECAUTIONS Checking chain lubrication Chain drive sprocket • Check the chain lubrication each time you refuel. See instructions under the heading Lubricating the bar tip sprocket. Aim the tip of the bar at a light coloured surface about The clutch drum is fitted with one of the following drive 20 cm (8 inches) away. After 1 minute running at 3/4 sprockets: throttle you should see a distinct line of oil on the light A Spur sprocket (the chain sprocket is welded on the surf
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GENERAL SAFETY PRECAUTIONS Bar • To prolong the life of the bar you should turn it over regularly. Check regularly: • Whether there are burrs on the edges of the bar. WARNING! Most chain saw accidents Remove these with a file if necessary. happen when the chain touches the ! operator. Wear personal protective equipment. See instructions under the heading Personal protective equipment. • Whether the groove in the bar has become badly worn. Replace the bar if necessary. Do not tackle any job
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ASSEMBLY should be tensioned until it does not sag from the Fitting the bar and chain underside of the bar. WARNING! Always wear gloves, when working with the chain. ! The chain is correctly tensioned when it does not sag from 445 the underside of the bar, but can still be turned easily by hand. Hold up the bar tip and tighten the bar nuts with the Check that the chain brake is in disengaged position by combination spanner. moving the front hand guard towards the front handle. Remove the b
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ASSEMBLY Fit the bar over the bar bolts. Place the bar in its rearmost position. Place the chain over the drive sprocket locate it in the groove on the bar. Begin on the top edge of the bar. Make sure that the edges of the cutting links are facing forward on the top edge of the bar. Fit the clutch cover and locate the chain adjuster pin in the hole in the bar. Check that the drive links of the chain fit correctly over the drive sprocket and that the chain is correctly located in the groove
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FUEL HANDLING Mixing ratio Fuel 1:50 (2%) for all engines. Note! The machine is equipped with a two-stroke engine and must always be run using a mixture of gasoline and Gasoline, litre Two-stroke oil, litre two-stroke oil. It is important to accurately measure the 2% (1:50) amount of oil to be mixed to ensure that the correct 5 0,10 mixture is obtained. When mixing small amounts of fuel, even small inaccuracies can drastically affect the ratio of 10 0,43/0,20 the mixture. 15 0,30 20 0,40 WAR
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FUEL HANDLING • Move the machine at least 10 ft (3 m) from the Fueling refuelling point before starting it. WARNING! Taking the following precautions, will lessen the risk of fire: ! Do not smoke and do not place any hot objects in the vicinity of fuel. Always stop the engine and let it cool for • Never start the machine: a few minutes before refuelling. 1 If you have spilled fuel or chain oil on the machine. Wipe off the spillage and allow remaining fuel to When refuelling, open the fuel c
