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Operator’s manual (EPA)
K650 Cut-n-Break
Please read the operator’s manual carefully and make sure you understand the
instructions before using the machine.
E E E En n n ng g g glllliiiis s s sh h h h
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KEY TO SYMBOLS Symbols on the machine: WARNING! The machine can be a dangerous tool if used incorrectly or carelessly, which can cause 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 machine. Always wear: • Protective helmet • Hearing protection • Protective goggles or a visor • Breathing mask WARNING! Dust forms when cutting, this The Emissions Compliance Period referred to on the
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CONTENTS Contents KEY TO SYMBOLS Symbols on the machine: ............................................. 2 Symbols in the operator’s manual: ............................... 2 CONTENTS Contents ...................................................................... 3 WHAT IS WHAT? What is what on the power cutter? ............................... 4 SAFETY INSTRUCTIONS Steps before using a new power cutter ........................ 5 Personal protective equipment ..................................... 5
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WHAT IS WHAT? HUSQVARNA CONSTRUCTION PRODUCTS What is what on the power cutter? 1 Operator’s manual (EPA) 12 Starter handle 2 Combination spanner 13 Starter 3 Air filter cover 14 Decompression valve 4 Front handle and water tap 15 Muffler 5 Warning decal 16 Splash guard 6 Choke 17 Blades 7 Stop switch 18 Blade guards 8 Start throttle lock 19 Belt tensioner 9 Throttle lockout 20 Cutting arm 10 Type plate 21 Fuel tank 11 Cylinder cover 22 Throttle control 4 – English
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SAFETY INSTRUCTIONS Steps before using a new power Personal protective equipment cutter WARNING! You must use approved personal • Please read the operator’s manual carefully and make protective equipment whenever you use the sure you understand the instructions before using the ! machine. Personal protective equipment machine. cannot eliminate the risk of injury but it will reduce the degree of injury if an accident • The machine is only designed for cutting hard materials, does happen.
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SAFETY INSTRUCTIONS Personal safety General safety precautions • Wear personal protective equipment. See instructions under the heading Personal protective equipment. WARNING! Do not use the power cutter until you have read the entire contents of this • Never use the machine if you are tired, if you have drunk ! Operator’s Manual. alcohol, or if you are taking medication that could affect All servicing, in addition to the points listed your vision, your judgement or your co-ordination. in
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SAFETY INSTRUCTIONS Fuel safety ′′ Machine′′s safety equipment This section describes the machine′s safety equipment, its purpose, and how checks and maintenance should be carried out to ensure that it operates correctly. See the ”What is what?” section to locate where this equipment is positioned (Refuelling/Fuel mixture/Storage.) on your machine. WARNING! Take care when handling fuel. WARNING! Never use a machine that has Bear in mind the risk of fire, explosion and ! faulty safety equip
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SAFETY INSTRUCTIONS CAUTION! Never use a machine that has a faulty muffler. Checking, maintaining and servicing ′′ the machine′′s safety equipment WARNING! The exhaust fumes from the engine are hot and may contain sparks ! which can start a fire. Never start the WARNING! All servicing and repair work on machine indoors or near combustible the machine requires special training. This is material! ! especially true of the machine′ ′′′s safety equipment. If your machine fails any of the check
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SAFETY INSTRUCTIONS Throttle lockout Diamond blades • Make sure the throttle control is locked at the idle setting when the throttle lockout is released. WARNING! Blades can break and cause serious injuries to the user. ! Never use blades other than original blades designed for the machine. Never use blades on a material other than the one they are intended for. • Press the throttle lockout and make sure it returns to its original position when you release it. WARNING! Cutting plastics with
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SAFETY INSTRUCTIONS Blade vibrations General working instructions The blades can become out of true and vibrate if a too high feed pressure is used. A lower feed pressure can stop the vibration. Otherwise replace the blades. See the instructions under the heading Assembling the blades. IMPORTANT! This section describes basic safety directions The blades shall be intended for the material to be cut. for using a power cutter. This information is never a substitute for professional skills and
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SAFETY INSTRUCTIONS • Cut in the same direction when cutting into an existing cut. • The blade guards are designed to easily adapt to how Avoid cutting at an angle to the previous cut otherwise deep in the work piece the power cutter is moved. there is a risk of the blade jamming or that the machine can ”climb in the cut”. WARNING! Do not pull the power cutter to one side, this can cause the blades to jam or ! break resulting in personal injury. • Always cut from top to bottom (A). Remove th
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SAFETY INSTRUCTIONS General rules • Never cut upwards or towards you so that the kickback zone becomes actively cutting. • Always hold the machine in a firm grip with both hands. Hold it so that the thumbs and fingers grip round the handles. • Keep a good balance and a firm foothold. • When cutting vertically, always cut from the top of the cut and down. • Always cut at full throttle. • Do not cut with the upper quadrant (kickback zone) of the blade. Avoid twisting or pushing the blades sidewa
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ASSEMBLY Assembling the blades Protection for the blades • The guards should always be fitted on the machine. Check that the guards are properly secured and work before starting to cut. Husqvarna blades are especially manufactured and approved for freehand cutting with the K650 Cut-n-Break. The blades have integrated belt pulley halves and are to be changed in pairs. • Loosen the bar nuts, unscrew the clamping screw anticlockwise a few turns and then refit the bar as far as it will go befo
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FUEL HANDLING • Mix (shake) the fuel mixture thoroughly before filling the Fuel machine’s fuel tank. CAUTION! The machine is equipped with a two-stroke engine and must always been run using a mixture of gasoline and two-stroke engine oil. It is important to accurately measure the amount of oil to be mixed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, even small inaccuracies can drastically affect the ratio of the mixture. WARNING! Always ensure there is
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STARTING AND STOPPING Starting a warm engine Before starting Use the same starting procedure as for a cold engine but without setting the choke control in the choke position. WARNING! Note the following before starting: ! Do not start the power cutter without the clutch cover fitted. Otherwise the clutch could come loose and cause personal injuries. Always move the machine away from the refuelling area before starting. Ensure that you and the machine have a Starting good working stance and
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MAINTENANCE • Remove the blades. Inspecting and adjusting the drive belt • The drive belt is fully enclosed and well-protected from dust, dirt and mechanical damage when cutting. • Check the drive belt adjustment by feeling with your • Remove the clutch cover by loosening the screws A and fingers as illustrated. A correctly adjusted drive belt B. should have about 5 mm of movement. • Remove the drive belt from the nose of the cutting arm (C). • To adjust the drive belt, loosen both the scre
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MAINTENANCE • Pull off the cutting arm by pulling it straight forwards, as • Refit the blades and tighten the nut. See instructions illustrated. under Heading ”Assembling the blades”. CAUTION! Make sure that the belt adjuster screw bottoms and that the bar is fully screwed back so that the belt cover fits correctly. Belt pulley and clutch Never start the engine when the belt pulley and clutch have been removed. Carburetor Your Husqvarna product has been designed and manufactured to specificati
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MAINTENANCE off the excess before fitting the filter to the machine. Never Air filter use common engine oil. This would drain through the filter quite quickly and collect in the bottom. Air filters must be regularly cleaned to remove dust and dirt in order to avoid: • Carburettor malfunctions • Starting problems • Less power • A foam plastic filter that has been washed many times • Unnecessary wear to engine parts wears. Replace with a new filter if it is not elastic and seals well against the filt
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MAINTENANCE • Secure the starter cord around the cord pulley as Starter illustrated. Tighten the fastening well and ensure that the free end is as short as possible. Secure the end of the starter cord in the starter handle. WARNING! When the recoil spring is wound up in the starter housing it is under tension ! and can, if handled carelessly, pop out and cause personal injury. Always be careful when changing the recoil spring or the starter cord. Always wear protective goggles. • Guide t
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MAINTENANCE Changing a broken recoil spring Spark plug • Undo the bolt in the centre of the pulley and remove the The spark plug condition is influenced by: pulley. • Incorrect carburetor adjustment. • Bear in mind that the return spring lies tensioned in the • Wrong fuel mixture (too much oil). starter housing. • A dirty air filter. • Loosen the bolts holding the spring cassette. These factors cause deposits on the spark plug electrodes, which may result in operating problems and starting dif
