Troy-Bilt TB525 Operation Manual - Page 5
Oil And Fuel Information
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OIL AND FUEL INFORMATION WARNING: OVERFILLING OIL CRANKCASE MAY CAUSE SERIOUS PERSONAL INJURY. Check and maintain the proper oil level in the crank case; it is important and cannot be overemphasized. Check the oil before each use and change it as needed. See Changing the Oil. RECOMMENDED OIL TYPE Using the proper type and weight of oil in the crankcase is extremely important. Check the oil before each use and change the oil regularly. Failure to use the correct oil, or using dirty oil, can cause premature engine wear and failure. Funnel Spout Use a high-quality SAE 30 weight oil of API (American Petroleum Institute) service class SF, Fig. 3 SG, SH. ADDING OIL TO CRANKCASE: INITIAL USE NOTE: This unit is shipped without oil. In order to avoid damage to the unit, put oil in the crankcase before you attempt to start the unit. Your unit is supplied with one 3.04 fluid oz. (90 ml) bottle of SAE 30 SF, SG, SH oil (Fig. 3). NOTE: Save the bottle of oil. It can be used to Fig. 4 measure the correct amount during future oil changes. See Changing the Oil. Oil Fill Plug 1. Unscrew the top of the bottle of oil and remove the paper seal covering the opening. Replace the top. Next, cut the tip off the funnel spout (Fig. 3). O-Ring 2. Tip unit so that the back of the engine is facing up in a vertical position. Oil Fill Hole 3. Remove the oil fill plug from the crankcase Fig. 5 (Fig. 5). 4. Pour the entire bottle of oil into the oil fill hole (Fig. 5). NOTE: Never add oil to the fuel or fuel tank. 5. Wipe up any oil that may have spilled and reinstall the oil fill plug. Check oil before each use and change as needed. Refer to Checking the Oil Level. RECOMMENDED FUEL TYPE FUELING THE UNIT WARNING: Remove fuel cap slowly to avoid injury from fuel spray. Never operate the unit without the fuel cap securely in place. 1. Remove the fuel cap (Fig. 6). 2. Place the gas container's spout into the fill hole on the fuel tank (Fig. 6) and fill the tank. NOTE: Do not overfill the tank. 3. Wipe up any gasoline that may have spilled. 4. Reinstall the fuel cap. 5. Move the unit at least 30 ft. (9.1 m) from the fueling source and site before starting the engine. NOTE: Dispose of the old gasoline in accordance Gas Can Spout with federal, state and local regulations. Fuel Tank Fig. 6 Fuel Cap WARNING: DO NOT USE E85 FUEL IN THIS UNIT. It has been proven that fuel containing greater than 10% ethanol will likely damage this engine and void the warranty. Old fuel is the primary reason for improper unit performance. Be sure to use fresh, clean, unleaded gasoline. NOTE: This is a four cycle engine. In order to avoid damage to the unit, do not mix oil with gasoline. Definition of Blended Fuels Today's fuels are often a blend of gasoline and oxygenates such as ethanol, methanol or MTBE (ether). Alcohol-blended fuel absorbs water. As little as 1% water in the fuel can make fuel and oil separate or form acids when stored. Use fresh fuel (less than 30 days old), when using alcohol-blended fuel. Using Blended Fuels If you choose to use a blended fuel, or its use is unavoidable, follow recommended precautions: • Always use fresh unleaded gasoline • Use the fuel additive STA-BIL® or an equivalent • Drain tank and run the engine dry before storing unit Using Fuel Additives WARNING: Add fuel in a clean, well ventilated outdoor area. Wipe up any spilled fuel immediately. Avoid creating a source of ignition for spilt fuel. Do not start the engine until fuel vapors dissipate. WARNING: Gasoline is extremely flammable. Ignited vapors may explode. Always stop the engine and allow it to cool before filling the fuel tank. Do not smoke while filling the tank. Keep sparks and open flames at a distance from the area. The use of fuel additives, such as STA-BIL® Gas Stabilizer or an equivalent, will inhibit corrosion and minimize the formation of gum deposits. Using a fuel additive can keep fuel from forming harmful deposits in the carburetor for up to six (6) months. Add 0.8 oz. (23 ml) of fuel additive per gallon of fuel according to the instructions on the container. NEVER add fuel additives directly to the unit's gas tank. 5