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Operator’s manual (EPA II)
445e TrioBrake
Please read the operator’s manual carefully and make sure you understand the instructions
before using the machine.
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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. • Protective g
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CONTENTS FEDERAL EMISSION CONTROL WARRANTY Contents STATEMENT KEY TO SYMBOLS YOUR WARRANTY RIGHTS AND OBLIGATIONS 40 Symbols on the machine: ..................................... 2 AMERICAN STANDARD SAFETY Symbols in the operator’s manual: ....................... 2 PRECAUTIONS CONTENTS Safety precautions for chain saw users ................ 41 Contents ............................................................... 3 INTRODUCTION Dear c
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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 lo
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WHAT IS WHAT? 32 14 1 2 3 4 31 5 13 12 6 15 16 11 10 9 8 7 29 18 19 30 17 28 26 25 24 23 22 20 27 21 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 Knob 6 Rear handle 22 Bumper spike 7 Information and warning decal 23 Chain catcher 8 Fuel tank 24 Chain tensioner wheel 9 Adjuster screws carburetor 25 Clutch cover 10 Starter handle 26 Right hand guard 11
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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 produ
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GENERAL SAFETY PRECAUTIONS • Protective goggles or a visor Always use common sense • Gloves with saw protection It is not possible to cover every conceivable situation you • Trousers with saw protection can face when using a chain saw. Always exercise care and use your common sense. Avoid all situations which you • Boots with saw protection, steel toe-cap and non-slip consider to be beyond your capability. If you still feel sole uncertain about operating procedures
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GENERAL SAFETY PRECAUTIONS • The chain brake (A) can either be activated manually activated for long periods. The chain saw can become (by your left hand) or automatically by the inertia very hot. release mechanism. • The brake is applied when the front hand guard (B) is pushed forwards. B E • This movement activates a spring-loaded mechanism that tightens the brake band (C) around the engine drive system (D) (clutch drum). • To release the chain brake pull the front hand guard backwards, t
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GENERAL SAFETY PRECAUTIONS If the kickback is less violent or the kickback zone of Will my chain brake always protect me the bar is closer to you the chain brake is designed to from injury in the event of a kickback? be activated manually by the movement of your left hand. No. First, the chain brake must be in working order to provide the intended protection. Second, it must be activated during the kickback as described above to stop the saw chain. Third, the chain brake may be activated
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GENERAL SAFETY PRECAUTIONS Right hand guard Stop switch Use the stop switch to switch off the engine. Apart from protecting your hand if the chain jumps or snaps, the right hand guard stops branches and twigs from interfering with your grip on the rear handle. Muffler The muffler is designed to keep noise levels to a minimum Vibration damping system and to direct exhaust fumes away from the user. Your machine is equipped with a vibration damping system that is designed to reduce vibration and
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GENERAL SAFETY PRECAUTIONS General rules Cutting equipment designed to reduce kickback • Only use cutting equipment recommended by us! See instructions under the heading Technical data. WARNING! Faulty cutting equipment or the wrong combination of bar and saw ! chain increases the risk of kickback! Only use the bar/saw chain combinations we recommend, and follow the filing instructions. See instructions under the • Keep the chain’s cutting teeth properly heading Technical data. sharpened
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GENERAL SAFETY PRECAUTIONS • Number of drive links. The number of drive links is • A sharp chain eats its way through the wood and determined by the length of the bar, the chain pitch produces long, thick chips or shavings. and the number of teeth on the bar tip sprocket. • Bar groove width (inches/mm). The groove in the bar • The cutting part of the chain is called the cutter and must match the width of the chain drive links. consists of a cutting tooth (A) and the depth gauge (B). The cutt
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GENERAL SAFETY PRECAUTIONS Sharpening cutting teeth Adjustment of depth gauge setting To sharpen cutting teeth you will need a round file and a • The cutting teeth should be newly sharpened before file gauge. See instructions under the heading Technical adjusting the depth gauge setting. We recommend data for information on the size of file and gauge that are that you adjust the depth gauge setting every third recommended for the chain fitted to your chain saw. time you sharpen the cutting teeth.
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GENERAL SAFETY PRECAUTIONS • Release the knob by folding it out. • Fold the knob back in to lock the tensioning. • Turn the knob anti clockwise to loosen the bar cover. Lubricating cutting equipment WARNING! Poor lubrication of cutting equipment may cause the chain to snap, ! which could lead to serious, even fatal 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 winter weather
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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 Tension the chain by turning the wheel down (+). The Fitting the bar and chain chain should be tensioned until it does not sag from the underside of the bar. WARNING! Always wear gloves, when working with the chain. ! Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle. The chain is correctly tensioned when it does not sag from the underside of the bar, but can still be turned easily by hand. Hold up the bar tip and tighten
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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 Gasoline, litre Two-stroke oil, litre and must always be run using a mixture of gasoline and 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, 10 0,43/0,20 even small inaccuracies can drastically affect the ratio of the mixture. 15 0,30 20 0,40 W
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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: ! Min. 3 m (10 ft) 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
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STARTING AND STOPPING Starting and stopping WARNING! Note the following before starting: ! Grip the front handle with your left hand. Hold the chain saw on the ground by placing your right foot through the rear handle. Pull the starter handle with your right hand The chain brake must be engaged when the chain saw is started to reduce the and pull out the starter cord slowly until you feel a chance of contact with the moving chain resistance (as the starter pawls engage) then pull firmly du
