Tecumseh Products TH139SA Operator Manual - Page 16
Extended Storage
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III. Fuel System To avoid stale gas and carburetor problems, treat the fuel system in the following method below: NOTES TecumsehPower Company recommends using ULTRA-FRESH™ Gasoline Stabilizer as an acceptable method of minimizing formation of fuel gum deposits during storage. This product is available from your Authorized TecumsehPower Servicing Dealer. Always follow mix ratio found on stabilizer container. Failure to do so may result in equipment damage. It is NOT necessary to drain stabilized gas from carburetor. IV. Fuel Treatment 1. Add fuel stabilizer according to manufacturer's instructions. 2. Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetor. WARNING NEVER store engine with fuel in the fuel tank inside a building with potential sources of ignition such as hot water or space heaters, clothes dryers, electric motors, etc. Doing so may lead to an explosion resulting in death or serious injury. NOTE Instead of using a fuel preservative/stabilizer, you can empty the fuel tank as described under "I. Draining Fuel" instructions. See "B. Extended Storage" instructions. B. Extended Storage I. Draining Fuel NOTES Clean debris from engine before draining fuel from carburetor. See "I. Clean Engine" instructions on page 13. Afterward, continue reading instructions below. If you have prepared your fuel for short-term storage it is NOT necessary to drain fuel that contains stabilizer from your carburetor. See "A. Short-Term/Seasonal Storage" instructions on page 13. Afterward, continue reading instructions below. WARNING To avoid severe injury or death, DO NOT pour fuel from engine or siphon fuel by mouth. 1. To prevent serious injury from fuel fires, empty fuel tank by running engine until it stops from lack of fuel. DO NOT attempt to pour fuel from engine. 2. Run the engine while waiting until the remaining fuel is consumed. WARNING NEVER leave the engine unattended when it is running and NEVER run engine in enclosed areas to avoid death or serious injury. 3. Begin servicing the cylinder bore. See "II. Oil Cylinder Bore" instructions on page 15. Page 14 Two-Cycle Engine • Horizontal/Vertical Crankshaft • Air-Cooled 181-807-14