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Thread: Mep814a

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    Private Oznog's Avatar
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    Default Mep814a

    Hello,

    I'm looking for repair/maintenance parts for Mep814A generator. Specifically, I'm needing to replace the glow plugs. They are not wanting to come out. I know they are swollen. Any advice on removing them without breaking?

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    4 Star General Guyfang's Avatar
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    You do know that the MEP-814A is the same thing as a MEP-804A. Its just the 814 is a 400 hertz set, and the 804 is 60 hertz. The manuals are the same. All the manuals you need for your gen set are here in the TM forum. I would use heat and some kind of rust eating liquid. new glow plugs can be had by looking up the part numbers and maybe NSN's and then plugging the numbers into your web browser.

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    Oznog (01-25-2019)

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    Private Oznog's Avatar
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    Thanks. I need all the help I can get.

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    4 Star General Guyfang's Avatar
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    So tell me, what are you doing with a 400 hertz set? You at WISMER?

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    Private Oznog's Avatar
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    I work for EMI Technologies. We build UAE M373 trailers and need that generator for testing.

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    98G (01-31-2019), Guyfang (01-26-2019)

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    Sergeant Major
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    Looks like you guys build some pretty cool stuff!
    Bill N4TJS

    MEP-803a
    M116a3
    M101a3

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    4 Star General Guyfang's Avatar
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    So how you coming along?

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    I found a glow plug pulling tool from Kascar. Looks like it might help. Got some PB catalyst penetrant. Waiting for the glow plugs to come in. The motor isn't starting. I need new batteries and to bleed the injectors. Is there a way to heat up the glow plugs without running the engine? Or should I focus on getting it started first? I have started it before with a battery charger and a shot of ether.

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    4 Star General Guyfang's Avatar
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    I would pull the old plugs out, replace them and then try and start it. Bleed the injectors, and it should start up. If you don't get fuel coming out of the injectors, look at the Electric actuator. Is it moving? If not, get in the book for testing, adjusting the Magnetic Pickup. Stop fooling around with ether. You don't need it. Of course there is a way to warm up the plugs. Turn the S1 to the preheat position. When I used preheat, I used it 2-3 times, then tried to start it. Where you are, preheat is something seldom used. Even without the preheat function of S1, you can jump the preheat relay. But I don't think you need it. First the plugs, then bleed it. Then you can decide where to go. Do not make this too complicated. One step at a time.

    Spent a lot of time up that way in the hay day of Patriot. Sure miss the weather.

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    Oznog (01-30-2019)

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    Yes sir. You cannot beat NM winters. I ride my motorcycle 365. So I also just replaced S1. I get 24v at the glow plugs on preheat. I can hear the pump come on in prime/run aux. position. The motor turns in the start position. Should I be able to hear the fuel pump when in the prime/run position?

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