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Owner’s Manual
ECV-4501
4. Operating procedures
Fuel (Fig. 2-1)
WARNING!
The chainsaw is equipped with a two-stroke engine. Always run the engine on fuel, which is mixed with oil.
Provide good ventilation, when fueling or handling fuel.
Fuel
• Always use branded 89 octane unleaded gasoline.
• Use Tanaka two-cycle oil or a quality two-cycle oil at mixing ratio of 25-50:1 (Gasoline (A) : Oil (B)), only for
the state of California at 50:1.
• Never use multi-grade oil (10 W/30) or waste oil.
• Always mix fuel and oil in a separate clean container.
• Always start by filling half the amount of fuel, which is to be used. Then add the whole amount of oil. Mix
(shake) the fuel mixture.
• Add the remaining amount of fuel.
•
Mix (shake) the fuel-mix thoroughly before filling the fuel tank.
Fueling
WARNING!
• Always shut off the engine before refueling.
• Slowly open the fuel tank, when filling up with fuel, so that possible over-pressure disappears.
• Tighten the fuel cap carefully, after fueling.
• Always move the unit at least 3 m (10 ft.) from the fueling area before starting.
Before fueling, clean the tank cap area carefully, to ensure that no dirt falls into the tank.
Make sure that the fuel is well mixed by shaking the container, before fueling.