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Anleitung Zusammenfassung
Place an approved gasoline container below the carburetor drain tube, and use a funnel to avoid spilling fuel. Turn the fuel valve to the ON position. 2. Insert a long, flat-tip screwdriver into the access hole on the left side. Locate the carburetor drain screw near carburetor bowl. Loosen (don’t remove) the drain screw until the fuel starts to drain. Drain until the fuel tank is empty, then tighten the drain screw. DRAIN SCREW BBWARNING Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. • Keep heat, sparks, and flame away. • Handle fuel only outdoors. • Wipe up spills immediately. STORAGE Engine Oil 1. Change the engine oil (page24). 2. Remove the spark plug (page25). 3. Pour a tablespoon (5 ~ 10 cc) of clean engine oil into the cylinder. 4. Pull the starter rope slowly several times to distribute the oil. 5. Reinstall the spark plug. 6. Pull the starter grip until resistance is felt. This will close the valves and protect the engine from internal corrosion. Lubrication Apply a few drops of oil and a small amount of grease to the following parts for lubrication and rust prevention. CHUTE TENSION BOLTS H BEARINGS AUGER CLUTCH LEVER AUGER SHAFT G G G CHUTE HINGE PIN STORAGE STORAGE PRECAUTIONS If your snowthrower will be stored with gasoline in the fuel tank and carburetor, it is important to reduce the hazard of gasoline vapor ignition. Select a well-ventilated storage area away from any appliance that operates with a flame, such as a furnace, water heater, or clothes dryer. Also avoid any area with a spark-producing electric motor, or where power tools are operated. If possible, avoid storage areas with high humidity, because it promotes rust and corrosion. Unless all fuel has been drained from the fuel tank, leave the fuel valve in the OFF position to reduce the possibility of fuel leakage. Place the snowthrower on a level surface. Tilting can cause fuel or oil leakage. With the engine and exhaust system cool, cover the snowthrower to keep out dust. A hot engine and exhaust system can ignite or melt some materials. Do not use sheet plastic as a dust cover. A nonporous cover will trap moisture around the engine, promoting rust and corrosion. REMOVAL FROM STORAGE Check your snowthrower as described in the BEFORE OPERATION chapter (page11). If the fuel was drained during storage preparation, fill the tank with fresh gasoline. If you keep a container of gasoline for refueling, be sure that it contains only fresh gasoline. Gasoline oxidizes and deteriorates over time, causing hard starting. If the cylinder was coated with oil during storage preparation, the engine may smoke briefly at startup. This is normal. TRANSPORTING BEFORE LOADING If the engine has been running, allow it to cool for at least 15 minutes before loading the snowthrower on the transport vehicle. A hot engine and exhaust system can burn you and can ignite some materials. Turn the fuel valve to OFF. This will prevent carburetor flooding and reduce the possibility of fuel leakage. Avoid removing any parts from the snowblower before transport, unless you are mechanically proficient, have the right tools, and follow the procedures in the HS520 Shop Manual (see page 4-95). LOADING AND UNLOADING If a suitable loading ramp is not available, two people should lift the snowthrower on and off the transport vehicle while holding the snowthrower level. Position the snowthrower so both wheels and the auger box are on the bed of the transport vehicle. Tie the snowthrower down with rope or straps, and block the wheels. Keep the tie-down rope or straps away from the auger drive clutch lever and cable. TAKING CARE OF UNEXPECTED PROBLEMS ENGINE PROBLEMS Electric starter does not operate Possible cause Correction Check electrical outlet. No electric current from outlet. Try known good electrical outlet. Start engine by using the recoil starter. Check power cord. Defective power cord. Try another power cord. Start engine with the recoil starter. Starter operates, but engine will not start Possible cause Correction Check fuel delivery to engine. Fuel valve is OFF. Turn fuel valve to ON (page13). Check fuel condition. Stale or old fuel. Be sure tank has fresh fuel. Drain carburetor (page32). Check for spark. Spark plug cap off. Improper gap or deposits in the spark plug(s) gap. Make sure cap is connected. Verify that spark plugs are free of deposits, and have proper gap (page25). TAKING CARE OF UNEXPECTED PROBLEMS Engine has low power Possible cause Correction Check ground speed. Fast ground speed when blowing wet, deep snow puts excessive load on engine. Operate at slower ground speed. Snowthrowing swath too wide for snow conditions. Wet, deep snow can put an excessive load on engine. Reduce snowthrowing swath. Check auger housing. Discharge chute restricted. Clear discharge chute obstructions (page18). Check spark plug. Spark plug cap not secure. Improper electrode gap or deposits on gap. Make sure spark plug ...
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