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  1. R

    Mep003a leaking injectors

    These are the ones I buy to rebuild the 002/003 injectors. Work perfect every time! It's often not even worth trying to disassemble and clean them If the injectors were overheated due to leaking the nozzles will most likely be stuck open and will be cheaper to replace than to try to clean and...
  2. R

    Runaway MEP-003a !!!

    I'm not 100% sure, but IIRC, I don't think you can see directly into the cylinder bore very well from the injector hole. The heads are a pre-chamber design where the injector and glow plug go into a small pocket connected to the cylinder, not into a wide open cylinder bore per-se. I think...
  3. R

    How to prevent a MEP 002A / 003A from run away by means of maintenance and a Frequency Monitor

    If you really want to get fancy, take a small throttle body off a 4cyl. fuel injected car, incorporate it into you air intake / filter tube and set it up with a 24V actuator powered off the fuel solenoid circuit. When power to the FSS is cut, so is power to the throttle body, allowing it to snap...
  4. R

    Tampa/St. Petersburg Diesel tech needed

    I think my first check point would be to see if the primary fuel pump on the left side of the radiator is working. And by working I mean pumping fuel, not just making noise. If you had it in prime / run for a little while and the filter bowl was not full I'd be willing to bet the pump isn't...
  5. R

    MEP-803A flywheel issue

  6. R

    New to me 802a puking fuel :(

    Check your oil too, just to see if the crankcase is full of fuel. There's nothing at the level of the block on the metering pumps that can leak fuel. if the pumps are dry up above the fuel inlet line it has to be coming from the inlet tubes or hoses, there's nothing below that which would leak...
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    MEP-803A flywheel issue

  8. R

    New to me 802a puking fuel :(

    If its not a rubber line, next thing to check is to see the the hose barb coming out of the pump is cracked or something.
  9. R

    New to me 802a puking fuel :(

    Are you sure it's coming from the metering pump itself and not the rubber line feeding the pump?
  10. R

    What do i need to auto start my mep803a?

    Probably too late at that point.... time for a change of underwear!
  11. R

    Runaway MEP-003a !!!

  12. R

    Runaway MEP-003a !!!

    The bigger problem I've seen with the LSD is not so much increased wear on IP and injector components, its more the fuel's lower tolerance of long storage times / lesser shelf life / increased susceptibility to gumming up in tight tolerance spaces. I've seen pumps that have gummed up the plunger...
  13. R

    Runaway MEP-003a !!!

    Hey @Chainbreaker. You are correct about the home made injector adapter. I have one that goes in place of the injector. If you have access to a lathe and want to make one I can send you the measurements. Or I can mail you mine and you're welcome to use it and just send it back when done. A...
  14. R

    MEP-803A Pegs fuel gage all the way down past empty.

    The rheostat on the sending unit inside the tank usually gets dead spots in it and once you loose continuity to ground, the gage goes haywire.
  15. R

    USMC MB-5A 10kw, 60Hz

    So either yard art or scrap weight at this point... Try searching the internet and Ebay "sold" items to see if there was ever any demand for parts, body panels, anything salvageable that could bring in more than scrap prices? You're lucky you get paid a little... My family and I volunteer at a...
  16. R

    MEP803A Radiator hoses & Radiator

    Looks like the link up above has changed. This is the current link: https://www.steelsoldiers.com/threads/mep-802a-803a-preformed-coolant-hoses-new-usa-made-milspec-parts-88-20189-and-88-20190-65.217044/
  17. R

    USMC MB-5A 10kw, 60Hz

    Why give up so soon?? I'd at least try abandoning the fuel tank, clean the rest of the fuel system, finish your pre-checks and try to run it off an external fuel tank. You gotta at least try to get it fired up! If it explodes, then push it to it's forever Rust-in-Pieces spot.....
  18. R

    Mep 006a

    Well, that would seem to explain the difference between the 004/005 conversion and the 006. I know they are not the same.... apparently you have found the difference! My only additional comment would be that most of the instructions on doing the 004/005 conversion show the buss bar as a separate...
  19. R

    803A dropping from 60hz to 56hz under 25% load.

    One other minor note, when running your machine you want to set the throttle a little above 60hz. at no load. Most of us start between 61 and 61.5 at no load, thus dropping to about 59 to 59.5 at full load.
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