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Operator’s manual (EPA)
K950
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 Other symbols/decals on the machine refer to special Key to symbols certification requirements for certain markets. 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 • Breath
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CONTENTS Contents KEY TO SYMBOLS Key to symbols ............................................................. 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 Machine′s safety equipment ...
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WHAT IS WHAT? 19 22 14 1 5 21 6 18 15 20 2 16 3 7 23 4 11 17 8 10 9 12 13 What is what on the power cutter? 1 Cylinder cover 13 Combination spanner 2 Muffler 14 Air filter cover 3 Fuel tank 15 Blade guard/spray guard 4 Start throttle lock 16 Starter handle 5 Choke 17 Operator’s manual (EPA) 6 Throttle lockout 18 Adjustment handle for blade guard 7 Stop switch 19 Front handle 8 Cutting head 20 Starter 9 Cutting arm 21 Decompression valve 10 Belt tensioner 22 Warning decal 11 Cutting blade 23
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SAFETY INSTRUCTIONS Steps before using a new power cutter • Please read the operator’s manual carefully. • Check the cutting blade’s mounting, see the chapter ”Assembly”. • Start the engine and check the idling setting, see instructions under the heading Maintenance. When the carburettor is set correctly the cutting blade should be still You will find the following labels on your power cutter: while idling. Setting of the idle speed is described in the Operator’s Manual. Set th
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SAFETY INSTRUCTIONS • Heavy-duty, firm grip gloves. Stop switch Use the stop switch to switch off the engine. • Tight-fitting, heavy-duty and comfortable clothing that permits full freedom of movement. Muffler WARNING! The muffler gets very hot in use and remains so for a short time afterwards. ! Do not touch the muffler if it is hot! • Use leg-guards recommended for the material to be cut. • Boots with steel toe-caps and non-slip sole The muffler is designed to keep noi
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SAFETY INSTRUCTIONS The trigger lock remains pressed in as long as the throttle is Stop switch pressed. When the grip on the handle is released the throttle Start the engine and make sure the engine stops when you trigger and the throttle trigger lock both return to their original move the stop switch to the stop setting. positions. This is controlled by two independent return spring systems. This means that the throttle trigger is automatically locked in the idle pos
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SAFETY INSTRUCTIONS • Start the power cutter and apply full throttle. Release the Transport and storage throttle control and check that the cutting blade stops and Do not store or transport the power cutter with the cutting remains stationary. If the cutting blade rotates when the blade fitted. throttle is in the idle position you should check the carburettor’s idle adjustment. See instructions under the Store the power cutter in a lockable area so that it is out of heading
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SAFETY INSTRUCTIONS Cutting WARNING! Bear in mind the risk of fire, explosion and inhaling fumes. Stop the ! engine before fuelling. Do not fill so that the WARNING! The safety distance for the power fuel runs over. Wipe up all spillage on the cutter is 15 metres. You are responsible to ground and machine. If you spill fuel on ! ensure that animals and onlookers are not yourself or your clothes. Change your within the working area. Do not start cutting clothes. Move the
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SAFETY INSTRUCTIONS • Move the blade slowly forwards and backwards to achieve How to avoid kickback a small contact area between the blade and the material to be cut. This reduces the temperature of the blade and WARNING! Kickback can happen very ensures effective cutting. suddenly and violently; kicking the power ! cutter and cutting blade back at the user. If this happens when the cutting blade is moving it can cause very serious, even fatal injuries. It is vital you
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SAFETY INSTRUCTIONS Pinching/rotation Water cooling If the cut is pressed together this can lead to jamming. The machine can be pulled down suddenly with a very powerful WARNING! Water cooling, which is used jerk. when cutting concrete, cools the blade and ! increases its service life while also reducing How to avoid pinching the formation of dust. Disadvantages include difficulties at very low temperatures, the risk Support the work piece in such a way that the cut remains of damaging
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SAFETY INSTRUCTIONS Abrasive discs Diamond blades The cutting material on abrasive discs consists of grit bonded Diamond blades consist of a steel body provided with using an organic binder. ”Reinforced blades” are made up of segments that contain industrial diamonds. a fabric or fibre base that prevents total breakage at maximum Diamond blades ensure lower costs per cutting operation, working speed if the blade should be cracked or damaged. fewer blade changes and a constant cutting depth. A
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ASSEMBLY Do not use warped, notched, indented or dirty flange Assembling the cutting head washers. Do not use different dimensions of flange washers. Remove the bolt (1) and nut (2). Remove the guard. Fit the drive belt on the clutch drum. Fit the guard and tighten the screws. Fitting the cutting blade Husqvarna cutting blades are manufactured and approved for freehand cutting. The paper labels on each side of the blade are there to distribute the pressure from the flange washer and prevent t
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FUEL HANDLING Mixing Fuel • Always mix the gasoline and oil in a clean container CAUTION! The machine is equipped with a two-stroke engine intended for fuel. and must always been run using a mixture of gasoline and two-stroke engine oil. It is important to accurately measure • Always start by filling half the amount of the gasoline to be the amount of oil to be mixed to ensure that the correct used. Then add the entire amount of oil. Mix (shake) the mixture is obtained. When mixing small a
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STARTING AND STOPPING Starting Starting and stopping WARNING! The cutting blade rotates when WARNING! Note the following before the engine is started. Make sure it can rotate ! starting: freely. ! Grip the front handle with your left hand. Put your right foot on Do not start the power cutter without the belt the lower section of the rear handle pressing the machine guard fitted. Otherwise the clutch could against the ground. Never wrap the starter cord around come loose and cause personal
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MAINTENANCE • Replace the drive belt. Tensioning the drive belt • Assemble in the reverse order as set out for dismantling. • Check that the blade guard over the cutting blade is not cracked or damaged in any other way. Replace when damaged. • The drive belt is fully enclosed and well protected from dust and dirt. • When tensioning the drive belt, slightly loosen the nuts (A) WARNING! Never use the power cutter holding the cutting head and belt guard. without a blade guard over the cutting
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MAINTENANCE Put the filter in a plastic bag and pour the filter oil over it. Fuel filter Knead the plastic bag to distribute the oil. Squeeze the excess oil out of the filter inside the plastic bag and pour • The fuel filter sits inside the fuel tank. off the excess before fitting the filter to the machine. Never • The fuel tank must be protected from contamination when use common engine oil. This would drain through the filter filling. This reduces the risk of operating disturbances quite quickly
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MAINTENANCE Tensioning the recoil spring Starter • Hook the starter cord in the notch in the pulley and turn the starter pulley about 2 turns clockwise. WARNING! When the recoil spring is wound up in the starter housing it is under tension CAUTION! Check that the pulley can be turned an ! and can, if handled carelessly, pop out and additional 1/2 turn when the starter cord is pulled all the cause personal injury. way out. Always be careful when changing the recoil spring or the starter co
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MAINTENANCE Spark plug Cooling system The spark plug condition is influenced by: To keep the working temperature as low as possible the machine is equipped with a cooling system. • Incorrect carburetor adjustment. The cooling system consists of: • Wrong fuel mixture (too much oil). • A dirty air filter. These factors cause deposits on the spark plug electrodes, which may result in operating problems and starting difficulties. 1 Air intake on the starter. 2 Air guide plate. 3 Fins on the flywheel.
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MAINTENANCE General maintenance instructions Below you will find some general maintenance instructions. If you have more questions, contact your service agent. Daily maintenance 1 Check that the components of the throttle control work smoothly (throttle control and throttle trigger lock). 2 Check the tension of the drive belt. 3 Check the condition of the blade and the drive gear. 4 Check the condition of the blade guard. 5 Check the starter and starter cord and clean the outside of the starter u
