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The machine is correctly balanced when it freely hangs horizontally from the support hook. In this way the risk of hitting stones is reduced if you need to release the handlebar. 2 Grass clearing Let the blade balance at a comfortable cutting height, i.e. close to the ground. Fuel 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 adequate ventilation when handling fuel. Gasoline CAUTION! Always use high grade unleaded oil mixed gasoline (minimum 87 RON). If your machine is equipped with a catalytic converter (see chapter on Technical data) always use a good quality unleaded petrol/oil mixture. Leaded petrol will destroy the catalytic converter and it will no longer serve its purpose. Use low-emission gasoline, also known as alkylate gasoline, if it is available. • This engine is certified to operate on unleaded gasoline. • The lowest recommended octane rating is 87. If you run the engine on lower octane rating than 87 so-called “knocking“ can occur. This leads to an increased engine temperature, which can result in a serious engine breakdown. • When working at continuous high revs a higher octane rating is recommended. Two-stroke oil • For best results and performance use HUSQVARNA twostroke oil, which is specially formulated for our two-stroke engines. Mixture 1:50 (2%). • Never use two-stroke oil intended for water-cooled outboard engines, sometimes referred to as outboard oil. • Never use oil intended for four-stroke engines. Gasoline, litre Two-stroke oil, litre 2% (1:50) 5 0,10 10 0,20 15 0,30 20 0,40 US gallon US fl. oz. 1 2 1/2 2 1/2 6 1/2 5 12 7/8 Mixing • Always mix the gasoline and oil in a clean container intended for fuel. • Always start by filling half the amount of the gasoline to be used. Then add the entire amount of oil. Mix (shake) the fuel mixture. Add the remaining amount of gasoline. • Mix (shake) the fuel mixture thoroughly before filling the machine’s fuel tank. • Do not mix more than one month’s supply of fuel at a time. • If the machine is not used for some time the fuel tank should be emptied and cleaned. • This engine is certified to operate on unleaded gasoline. WARNING! The catalytic converter muffler gets very hot during and after use. This also applies during idling. Be aware of the fire hazard, especially when working near flammable substances and/or vapours. ! Fuelling WARNING! Taking the following precautions, will lessen the risk of fire: Do not smoke or place hot objects near fuel. Always shut off the engine before refuelling. Always stop the engine and let it cool for a few minutes before refuelling. When refuelling, open the fuel cap slowly so that any excess pressure is released gently. Tighten the fuel cap carefully after refuelling. Always move the machine away from the refuelling area before starting. • Clean the area around the fuel cap. Contamination in the tank can cause operating problems. • Ensure that the fuel is well mixed by shaking the container before filling the tank. ! Check before starting • Check the blade to ensure that no cracks have formed at the bottom of the teeth or by the centre hole. The most common reason why cracks are formed is that sharp corners have been formed at the bottom of the teeth while sharpening or that the blade has been used with dull teeth. Discard a blade if cracks are found. • Check that the support flange is not cracked due to fatigue or due to being tightened too much. Discard the support flange if it is cracked. • Ensure the locking nut has not lost its captive force. The nut lock should have a locking force of at least 1.5 Nm. The tightening torque of the locking nut should be 35-50 Nm. • Check that the blade guard is not damaged or cracked. Replace the blade guard if it is exposed to impact or is cracked. • Check that the trimmer head and trimmer guard are not damaged or cracked. Replace the trimmer head or trimmer guard if they have been exposed to impact or are cracked. • Never use the machine without a guard nor with a defective guard. Starting and stopping WARNING! The complete clutch cover and shaft must be fitted before the machine is started, otherwise the clutch can come loose and cause personal injury. Always move the machine away from the refuelling area before starting. Place the machine on a flat surface. Ensure the cutting attachment cannot come into contact with any object. Make sure no unauthorised persons are in the working area, otherwise there is a risk of serious personal injury. The safety distance is 15 metres. Cold engine Ignition: Set the stop switch to the start position. Choke: Set the choke control in the choke position. Warm engine Use the same starting pro...

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