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Hi,
in our company one aircraft with the Rotax 912 engine was out of service for four months without engine preservation done. What action or/and checks must be done before returning it back to operation?
In the operations and maintenance manuals of the Rotax engines there are only preservation and engine back to operation after engine preservation procedures. However, nothing about storage without preservation.
in the section 8.1 of the operation manual there is mentioned "Due to the special material of the cylinder wall, there is no need for extra protection against corrosion for the ROTAX aircraft engines. At extreme climatic conditions and for long out of service periods we recommends the following to protect the valve guides against corrosion". Maybe someone knows that it means "long out of service" and "extreme climatic conditions".
  • Re: Rotax 912 engine preservation

    by » one month ago


    Step Procedure
    1 Operate the engine until the temperatures have stabilized
    for a period of 5 min (engine oil temperature between
    50 to 70 °C (122 to 160 °F).
    2 Switch the engine OFF.
    3 Allow the engine to cool down.
    4 Change oil.
    5 Remove the air intake filters and insert approx.
    30 cm³ (1 fl oz) of corrosion inhibiting oil into the carburetor
    throat with the engine running at increased
    idle speed. Shut off engine.
    6 Drain carburetor float chamber.
    7 Apply oil to all joints on carburetors.
    8 Close all openings on the cold engine, such as exhaust
    end pipe, venting tube, air filter etc. against entry
    of dirt and humidity.
    9 Spray all steel external engine parts with corrosion inhibiting
    oil.


    Thank you said by: RotaxOwner Admin

  • Re: Rotax 912 engine preservation

    by » 5 weeks ago


    What is corrosion inhabiting oil, part number


  • Re: Rotax 912 engine preservation

    by » 5 weeks ago


    It is any of a number of aftermarket products commonly know as Preservation/Storage Fogging Oil.


    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Bill.Hertzel@Yahoo.com
    Clicking the "Thank You" is Always Appreciated.


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