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AutoTune ™

AutoTune ™. Always optimal engine setting Higher productivity Optimal engine performance at all times No time spent on carburettor adjustments Compensates for Different fuels; low quality, ethanol, alkylate fuel (e.g.Aspen) Altitude Temperature, cold start Humidity

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AutoTune ™

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  1. AutoTune™

  2. Always optimal engine setting Higher productivity Optimal engine performance at all times No time spent on carburettor adjustments Compensates for Different fuels; low quality, ethanol, alkylate fuel (e.g.Aspen) Altitude Temperature, cold start Humidity Clogged air filter AutoTune ™

  3. AutoTune- Microprocessor • A microprocessor is integrated into the valve housing, connected to the ignition module, monitoring engine RPM as well as fuel-air mixture. • The digitally controlled magnetic valves opening and closing is synchronised with the RPM. • The frequency of opening and closing of magnetic valve is variable, which regulates the fuel feed. Micro Processor Valve Fuel Flow

  4. Standard Carburettor In a standard carburettor the fuel flow is tuned by using the L and H needles. Venturi Fuel Inlet Fitting Main nozzle Throttle valve Main Fuel Take Off Low Speed Nozzle Main speed Needle

  5. AutoTune-Carburettor and AutoTune The AutoTune carburettor imitates the standard carburettor by using a fuel valve that can be opened and closed. The fuel valve is controlled by the micro processor. Venturi Fuel Inlet Fitting Main nozzle Throttle valve Main Fuel Take Off Valve AutoTune unit with Micro Processor RPM Fuel Flow

  6. AutoTune-Engine Diagnostic Tool • A service tool connecting computer with chain saw • Functions: • Diagnoses errors, codes • Tests • Throttle sensor • Temerature sensor • Fuel Valve • Service notes • Electronic service book • Data • Operating time • Number of starts >1 min • Most recent engine fuel setting adjust • Max speed last run • carb temp • Max, history • Fuel settings • Time spent different rpm´s interval, idling, cutting, max

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