valutazioni - 3, GPA: 4.3
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Facilità d'uso
Select the oil’s viscosity grade according to your expected operating temperature. Colder - 32°F-► Warmer NOTE: Although multi-viscosity oils (SE30, 10W30, etc.) improve starting in cold weather, these multi-viscosity oils will result in increased oil consumption when used above 32°F. Check your oil level more frequently to avoid possible engine damage from running low on oil. Your four-cycle engine will normally consume some oil—therefore, check engine oil level regularly approximately every five hours of operation and before each usage. Stop engine and wait several minutes before checking oil level. With engine level, the oil must be to FULL mark on dipstick (refer to figure 7). Change engine oil after the first five hours of operation, and every twenty-five hours thereafter. To Drain Oil: • Drain oil while engine is warm. a. Remove oil drain plug. Refer to figure 7. Catch oil in a suitable container. b. When engine is drained of all oil, replace drain plug securely. • Refill with fresh oil. Refer to GAS AND OIL FILL-UP section. • Replace dipstick. AIR CLEANER The air cleaner prevents damaging dirt, dust, etc., from entering the carburetor and being forced into the engine and is important to engine life and performance. Never run your engine without air cleaner completely assembled. To Service Air Cleaner: Service pre-cleaner after every 25 hours of use, or at least once a season. Service cartridge every 100 hours of use, or at least once a season. Service precleaner and cartridge more often under dusty conditions. • Loosen screw and remove cover. • To service pre-cleaner, wash in liquid detergent and water. Squeeze dry in a clean cloth. Saturate in engine oil. Squeeze in a clean, absorbent cloth to remove all excess oil. If pre-cleaner is very dirty, replace it. • To service cartridge, clean by tapping gently on a flat surface. If very dirty, replace. Do not oil cartridge. NOTE: Do not use petroleum solvents (e.g. kerosene) or pressurized air to clean cartridge. They will cause cartridge to deteriorate. • Reinstall cartridge and pre-cleaner. • Replace cover, and tighten screws securely. FIGURE 10. CLEAN ENGINE Clean engine periodically. Remove dirt and debris with a cloth or brush. Cleaning with a forceful spray of water is not recommended as water could contaminate the fuel system. Yearly or every 25 hours, whichever occurs first, remove the blower housing and clean the areas shown in figure 11 to avoid overspeeding, overheating and engine damage. Clean more often if necessary. 10 A WARNING: PERIODICALLY CLEAN MUFFLER AREA TO REMOVE ALL GRASS, DIRT AND COMBUSTIBLE DEBRIS. CLEANING • The chipper-shredder may be cleaned by running water from a hose through the hopper assembly and chipper chute with the engine running. Allow the chipper-shredder to dry thoroughly. • Wash the bag periodically with water. Allow to dry thoroughly in the shade. Do not use heat. Clean Out Chaff and Dirt FIGURE 11. SPARK PLUG The spark plug should be cleaned and the gap reset to .030" at least once a season or every 50 hours of operation. See figure 12. Spark plug replacement is recommended at the start of each season. Refer to engine parts list for correct spark plug type. NOTE: Do not sandblast spark plug. Spark plug should be cleaned by scraping or wire brushing and washing with a commercial solvent. MUFFLER Do not operate the chipper-shredder without a muffler or tamper with the exhaust system. Damaged mufflers or spark arresters could create a fire hazard. Inspect periodically, and replace if necessary. If your engine is equipped with a spark arrester screen assembly, remove every 50 hours for cleaning and inspection. Replace if damaged. STORAGE Prepare your chipper-shredder for storage at the end of the season or if the unit will not be used for 30 days or more. A WARNING: NEVER STORE MACHINE WITH FUEL IN THE FUEL TANK INSIDE OF BUILDING WHERE FUMES MAY REACH AN OPEN FLAME OR SPARK, OR WHERE IGNITION SOURCES ARE PRESENT SUCH AS HOT WATER AND SPACE HEATERS, FURNACES, CLOTHES DRYERS, STOVES, ELECTRIC MOTORS, ETC. NOTE: A yearly check-up by your local Sears Service Center is a good way to make certain your chipper-shredder will provide maximum performance for the next season. CHIPPER-SHREDDER • Clean the chipper-shredder thoroughly. • Wipe unit with an oiled rag to prevent rust (use a light oil or silicone). ENGINE IMPORTANT: IT IS IMPORTANT TO PREVENT GUM DEPOSITS FROM FORMING IN ESSENTIAL FUEL SYSTEM PARTS SUCH AS CARBURETOR, FUEL FILTER, FUEL HOSE, OR TANK DURING STORAGE. ALSO, EXPERIENCE INDICATES THAT ALCOHOL BLENDED FUELS (CALLED GASOHOL OR USING ETHANOL OR METHANOL) CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE. ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN STORAGE. • Drain the fuel tank. • Start the engine and let it run until the fuel lines and carburetor are empty. • Never use engine or carburetor cleaner products i...
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