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912iS Fuel Pressure Sensor Fit

in 912iS Technical Questions 10 years ago
Hello, I have a 912iS installed with the Stock Flight Systems EMU. I have obtained the necessary sensor (BRP 664365), to feed the EMU fuel pressure input.
I am now after a suitable adapter to place in-line with the fuel tube (for the sensor to screw into), and also a suitable plug / socket to attach to the top of the sensor. Any pointers to the necessary parts or advice greatly appreciated. Mark

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photo.JPG (You do not have access to download this file.)

  • Re: 912iS Fuel Pressure Sensor Fit

    by » 10 years ago

    the connector is Rotax p/n 881302. You will have to assemble it with the 3 wires to the EMU.
    It is a little strange in its de-pin and insertion. see attached for some instructions.

    What type of fuel fittings are you using? AN6 flair?
    FuelPressureSensorConnectorAssy.pdf (You do not have access to download this file.)
    Thank you said by: Mark Northwood
      
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  • Re: 912iS Fuel Pressure Sensor Fit

    by » 10 years ago

    Thats great; so it's the same connector as the Rotax oil pressure sender.
    I don't know the fuel line fittings, I was expecting to just cut a section out of the fuel pipe and insert some kind of adapter.
    Thanks, Mark.
      
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  • Re: 912iS Fuel Pressure Sensor Fit

    by » 10 years ago

    yes its the same connector but the oil pressure sensor uses 2 wires and the EMU fuel pressure sensor uses 3 wires (so dont order the 864250 connector assembly)
    The fuel pressure sensor needs to go just before the 10 micron filter; what connector are you planning on using for the filter inlet? maybe tap into it?
      
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  • Re: 912iS Fuel Pressure Sensor Fit

    by » 10 years ago

    Also; the sensor has 12x1.5 threads so you will need to machine out whatever adaptor you find.
      
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  • Re: 912iS Fuel Pressure Sensor Fit

    by » 10 years ago

    Hi, the aircraft is all up and running, so I am unsure of the fitting type at present, but can check. I have the 3 wires from the EMU, sitting ready to connect in the engine bay, so I was planning to have the sensor positioned in the main fuel line just before it enters the engine fuel rail. I was hoping to find a ready made unit that the sensor screws into rather than having to machine something. Many thanks,
      
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