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Resumen del manual
They should also be included as part of any seasonal tune-up. A WARNING: To prevent serious injury, never do maintenance or repairs with unit running. Always do maintenance and repairs on a cool unit. Disconnect spark plug wire to ensure the unit will not start. FREQUENCY MAINTENANCE REQUIRED REFER TO: Before Starting Engine Fill fuel tank with correct oil and fuel mixture Page 12 Every 10 Hours Clean and re-oil air filter Page 15 Every 25 Hours Check spark arrestor condition and clean Check spark plug condition and gap Page 17 Page 19 A WARNING: CLEAN AND RE-OIL THE AIR FILTER EVERY 10 HOURS OF OPERATION. Your unit's air filter is one of the most important areas to maintain. If it is not maintained as follows, you will void the warranty. AIR FILTER MAINTENANCE Removing the Air Filter Cover A WARNING: To avoid serious personal injury, always turn the unit off and allow it to cool before you clean or perform any maintenance on it. 15 MAINTENANCE AND REPAIR INSTRUCTIONS 1. Grasp the air filter cover and press in with your thumb to release. Remove the cover from the air filter base (Fig. 25). 2. Turn the air filter cover over and remove the air filter from the inside (Fig. 26). 3. Wash the filter in detergent and water (Fig. 27). Rinse the filter thoroughly. Squeeze out excess water and allow it to dry completely. 4. Apply enough clean SAE 30 oil to lightly coat the filter (Fig. 28). 5. Squeeze the filter to spread the oil and remove the excess (Fig. 29). 6. Carefully reinstall the air filter. Be sure the filter is seated properly before reinstalling it on the air filter base (Fig. 30). MAINTENANCE AND REPAIR INSTRUCTIONS SPARK ARRESTOR MAINTENANCE Removing the Muffler A WARNING: Make sure the muffler is cool before removing It from the housing to prevent serious personal injury. 1. Remove the 10 screws holding the unit housing together with a T20 Torx or flat blade screwdriver (Fig. 31). 2. Locate the two (2) muffler mounting bolts that are holding the heat shield and muffler to the engine. Remove the two (2) bolts using a flat blade screwdriver or 5/16-inch socket or nut driver (Fig. 32). NOTE: Do not remove the heat shield/muffler screw to separate the top heat shield from the muffler. The spark arrestor will be accessible without removing the screw. Fig. 32 3. Locate the four (4) screws holding the top heat shield to the bottom heat shield (two on each side). Remove the four (4) screws using a T20 Torx or flat blade screwdriver (Fig. 32). 4. Remove the top heat shield with the muffler attached from the engine as one piece. Removing the Spark Arrestor 5. Turn the heat shield/muffler unit over. Look inside the heat shield and locate the exhaust gasket on the muffler. Remove the exhaust gasket from the muffler to locate the spark arrestor (Fig. 33). NOTE: If exhaust gasket is torn or damaged, replace with a new gasket before reassembling. Fig. 33 6. Using a small flat blade screwdriver, carefully pry up the spark arrestor from the recessed hole in the muffler. Remove spark arrestor from muffler (Fig 34). 7. Clean the spark arrestor with a wire brush. Replace if damaged or unable to clean thoroughly (Fig. 34). Fig. 34 17 MAINTENANCE AND REPAIR INSTRUCTIONS 8. Place heat shield/muffler on a flat, stable surface with the heat shield facing down. Reinstall the spark arrestor by pressing it into the recessed hole in the muffler. Make sure it fits tightly against the muffler and is not raised up, bent, or wrinkled once in place. 9. Pick up the unit. If necessary, align muffler bolt holes with the bolt holes in heat shield. Insert muffler mounting bolts into holes of heat shield and through the muffler. 10. Place heat shield/muffler on a flat, stable surface with the heat shield facing down. Place exhaust gasket over bolts sticking through the muffler and on top of the spark arrestor (Fig. 33). 11. Hold heat shield/muffler with finger over the exhaust gasket to keep it in place. Turn over and align bolts with bolt holes in the engine. Push bolts into the engine holes and release gasket once bolts are started. Do not tighten bolts completely. 12. Reinstall four (4) screws to attach top heat shield to bottom heat shield. 13. Tighten muffler mounting bolts. 14. Reassemble the housing unit. Realign the two housing units and screw holes. Make sure all wires and other parts are completely within the housing units and are not crimped, pinched, or sticking out. Reinstall the 10 screws. CARBURETOR ADJUSTMENT NOTE: Careless adjustments can seriously damage your unit. An authorized service dealer should make carburetor adjustments. Check Fuel Mixture Old and/or improperly mixed fuel is usually the reason for the unit not running properly. Drain and refill the tank with fresh, properly mixed fuel prior to making any adjustments. Refer to Oil and Fuel Information, Pg. 12. Clean Air Filter The condition of the air filter is important to the operation of the unit. A dirty air filte...
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