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Search results

  1. R

    Just beginning my mep-003a journey

    FYI, the solenoid doesn't retract until you crank the motor. Switching to Prim / Run doesn't engage the power to the solenoid.
  2. R

    Mep003a leaking injectors

    Perhaps we should go back a little. What is your 003 doing, or not doing that makes you think the injectors are leaking into the cylinders? Does it run? if so, how well or how poorly is it running? Is it hard starting, or is the valve cover getting excessively hot fairly quickly? There are known...
  3. R

    Mep003a leaking injectors

    The gasket is available direct from Cummins for $6Ea. https://shop.cummins.com/SC/product/onan-nozzle-insul-gasket-1470043/01t4N0000048kZ0QAI?srsltid=AfmBOortui0LYTdBcGdx6HgRkQbeAwJHQb5frSTjm6I6O39gHtuGpSVn
  4. R

    Mep003a leaking injectors

    On page 160 of the -24P parts TM you can see the exploded diagram. The fiber washer is item #6 PN. 147-0043 , also comes as part of kits 147-0304 and kit 147-0307
  5. R

    Mep003a leaking injectors

    The injectors seal to the head with a copper ring down against the head, a flat steel washer about 1/8" thick and a fiber washer above that which seals the injector body to the metal "washer" ( these 3 pieces are sold both individually and in a kit, PN's are shown in the TM ) However, the fiber...
  6. R

    Mep003a leaking injectors

    Go ahead, ask away! ;-)
  7. R

    Just beginning my mep-003a journey

    I'd be interested in hearing more about your WMO project when you get it going. My son recently tried making black diesel to run in some of my equipment as well as our 002 and 003 and the steam genny too. It worked ok, but he was kind of guessing at the proportions which were off a little...
  8. R

    MEP-803 Aux Fuel Circuit

    FYI, there is a minimum number of post required on your account before you can send a PM without the help of a moderator. Since you're new you're not able to send PM's directly on our own yet.... all in due time!
  9. R

    Just beginning my mep-003a journey

    For the frequency transducer you can either remove it and use a direct line read frequency meter, or there were TRC frequency transducers selling on ebay for <$20 that will work and just need a couple new mounting holes drilled in the control cube. There are definitely other posts here where...
  10. 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...
  11. 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...
  12. 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...
  13. 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...
  14. R

    MEP-803A flywheel issue

  15. 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...
  16. R

    MEP-803A flywheel issue

  17. 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.
  18. 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?
  19. R

    What do i need to auto start my mep803a?

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