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  1. #21
    500+ This must be a daytime job
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    Quote Originally Posted by Tomlin View Post
    When ready for engine start, the crew simply push the levers forward and the cutoff pins drop into the idle spot. At that point the crew press the desired engine switch and start either 1 or 2.
    So, unlike airliners like the Boeings, the fuel flow is enabled BEFORE the engines are turning? I assume there must be an interlock some place that prevents the fuel valve actually opening causing wastage/flooding/fire risk?

    When ready for shutdown, the levers are brought to idle, and then you pull up on the idle cutoff levers, located under the lever knobs. Then the levers are brought back to Cutoff and they shut down.
    Ah, that's less dodgy than I thought, then -- there's a interlock to prevent accidentally cutting off when pulling back to idle.

    Thanks for the clarification,

    Pete

  2. #22
    1000+ Poster - Fantastic Contributor Tomlin's Avatar
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    Right on with your statements- the start system for the LJ45/40 is Auto. The only thing you do after pushing the levers to idle is to press the Start button- it's all handled from there automatically. You dont even have to have the APU running, that's really only needed if the aircraft has been sitting overnight in a very cold environment, and then you might want an APU on just to warm the cabin up anyhow.

    Thanks for your help in getting Scott back on the right path.
    Eric Tomlin-
    Learjet 45 Builder
    www.flightlevel180.org

  3. #23
    300+ Forum Addict XOrionFE's Avatar
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    Quote Originally Posted by Tomlin View Post
    Right on with your statements- the start system for the LJ45/40 is Auto. The only thing you do after pushing the levers to idle is to press the Start button- it's all handled from there automatically. You dont even have to have the APU running, that's really only needed if the aircraft has been sitting overnight in a very cold environment, and then you might want an APU on just to warm the cabin up anyhow.

    Thanks for your help in getting Scott back on the right path.
    Wow

    Much easier than when I used to start P3's back in my Navy Flight Engineer days. APU or Air Start Cart for bleed air, direct to proper engine for start, turn on FF Valve, Press Start button, etc....

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