CS-310 OPERATIONX7503275401 27© 02/2019 ECHO Inc.◆ Inspect for fuel leakage. If fuel leakage is found, do notstart or operate unit until leakage is repaired.◆ Move at least 3 m (10 ft.) from refueling location beforestarting the engine.Gasoline vapor is heavier than air, and can travel along theground to nearby sources of ignition such as electrical motors,pilot lights, and hot or running engines. Vapors ignited by anignition source can flash back to the fuel container, resulting inan explosion, fire, serious or fatal injuries, and extensiveproperty damage.Mixing Instructions1. Fill an approved fuel containerwith half of the requiredamount of gasoline.2. Add the proper amount of2-stroke oil to gasoline.3. Close container and shake tomix oil with gasoline.4. Add remaining gasoline, closefuel container, and remix.Spilled fuel is a leading cause of hydrocarbon emissions. Somestates may require the use of automatic fuel shut-off containers toreduce fuel spillage.• Empty the fuel tank prior to storing the unit. Return unused fuel to anapproved fuel storage container.Storage - Fuel storage laws vary by locality. Contact yourlocal government for the laws affecting your area. As aprecaution, store fuel in an approved, airtight container.Store in a well-ventilated, unoccupied building, away fromsparks and flames.Stored fuel ages. Do not mix more fuel than you expect to use in 30days, 90 days when a fuel stabilizer is added.Fuel to Oil Mix – 50:1 RatioUS MetricGas Oil Gas Oilgal. fl.oz. L cc1 2.6 5 1002 5.2 10 2005 13 25 500