POWER PRUNEROPERATOR ' S MANUAL 17PRE-OPERATIONFUELFuel RequirementsGasoline - Use 89 Octane [ ] gasoline or gasohol known to be goodquality. Gasohol may contain up to 10% Ethyl (grain) alcohol or 15%MTBE (methyl tertiary-butyl ether). Gasohol containing methanol (woodalcohol) is NOT approved.Two-Stroke Oil - A two-stroke engine oil meeting ISO-L-EGD Standard(ISO/CD 13738), must be used. Echo brand Premium 50:1 oil meets thisstandard. Engine problems due to inadequate lubrication caused byfailure to use an ISO-L-EGD approved oil, such as Echo Premium 50:1Two-stroke Oil, will void the two-stroke engine warranty. (Emissionrelated parts only are covered for two years, regardless of two-strokeoil used, per the statement listed in the EPA Phase I/California EmissionDefect Warranty Explanation.)Mixing - Follow directions on the oil container.R + M2Handling FuelWARNING DANGERFuel is VERY flammable. Use extreme care when mixing, storing orhandling, or serious personal injury may result.• Use an approved fuel container.• DO NOT smoke near fuel.• DO NOT allow flames or sparks near fuel.• Fuel tanks/cans may be under pressure. Always loosen fuel capsslowly allowing pressure to equalize.• NEVER refuel a unit when the engine is HOT!• NEVER refuel a unit with the engine running.• DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks outdoors over bare ground.• Securely tighten fuel cap after refueling.• Inspect for fuel leakage. If fuel leakage is found, do not start oroperate unit until leakage is repaired.After Refueling;• Wipe any spilled fuel from the unit.• Move at least 3 M (10 ft.) from refueling location before startingthe engine.After use;• DO NOT store a unit with fuel in its tank. Leaks can occur.Return unused fuel to an approved fuel storage container.Storage -Fuel storage laws vary by locality. Contact your local government forthe laws affecting your area. As a precaution, store fuel in an approved,air tight container. Store in a well ventilated, unoccupied building, awayfrom sparks and flames. Do not store fuel longer than 30 days.3 M(10 FT.) MINIMUM