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  1. Scoobyshep

    MEP-802a preheat testing

    Love those self resolving questions. Sent from my SM-G973U using Tapatalk
  2. Scoobyshep

    Advice needed - new guy with MEP004A

    In your application set and forget. The reason these sets have a voltage regulator out and easy is for paralleling. Sent from my SM-G973U using Tapatalk
  3. Scoobyshep

    Advice needed - new guy with MEP004A

    Little overkill, but nothing wrong with that. Sent from my SM-G973U using Tapatalk
  4. Scoobyshep

    Advice needed - new guy with MEP004A

    Out of curiosity, why 2 oil pressure gauges? Sent from my SM-G973U using Tapatalk
  5. Scoobyshep

    Dipstick oil heater or?

    Make sure what you have it plugged into is GFI protected. Sent from my SM-G973U using Tapatalk
  6. Scoobyshep

    Dipstick oil heater or?

    The other thing to consider if its going to be constantly cold is a battery warmer Sent from my SM-G973U using Tapatalk
  7. Scoobyshep

    Dipstick oil heater or?

    Only one ive used (other than a block heater which wont work on a 003) was a pan pad Sent from my SM-G973U using Tapatalk
  8. Scoobyshep

    mep003a valve clearance

    -12 TM page 4-50 paragraph 4-46 .010 intake .007 exhaust engine cold
  9. Scoobyshep

    new to me MEP003a - question on fuel delivery

    When cranking the intake heater and block heater are live. Sent from my SM-G973U using Tapatalk
  10. Scoobyshep

    new to me MEP003a - question on fuel delivery

    Fuel should come from the tank to fuel pumps E2 and E3 to the water separator through 2 filters to the injection pump. The aux pump E1 should feed through Solenoid (K4) to the tank. If your set is plumbed from E1 to the water separator, then someones made changes. Attached is the fuel...
  11. Scoobyshep

    Mep-002a and Mep-003a catastrophic damage and how to prevent it.

    Lot of good info, for your bolt look up Locktite 567. It is a pipe thread sealant, We used it on a cummins engine for a similar bolt in application.
  12. Scoobyshep

    where can i buy mep003a parts?

    Fleabay is a good place to look. It is probably easier if you know the NSN numbers of the parts from the TM Sent from my SM-G973U using Tapatalk
  13. Scoobyshep

    Advice needed - new guy with MEP004A

    R remains constant so volt and amp have to change inversely. In operation they will ramp up and down as it works. Its its base operating voltage you need to watch. I only point it out because I had a similar situation on a 005. It looked like it would work but it kept blowing fuses. Sent...
  14. Scoobyshep

    Advice needed - new guy with MEP004A

    Watt (volt*amp) so if its pushing a higher voltage and a low amperage it can push your required wattage. Now if its a lower voltage the amperage has to go up to keep the same wattage. Sent from my SM-G973U using Tapatalk
  15. Scoobyshep

    Advice needed - new guy with MEP004A

    Another curveball to consider is the rated amperage output of the avr. Since thats what is actually doing the work and that is what the avr fuses are rated in. Sent from my SM-G973U using Tapatalk
  16. Scoobyshep

    Advice needed - new guy with MEP004A

    Keep in mind its not just the minimum field resistance you need to worry about. Think of the avr as a power supply, and figure out what the wattage output needs to be. Sent from my SM-G973U using Tapatalk
  17. Scoobyshep

    Mep804A engine element heater

    Not on this specific engine, but I have used lower hose heaters and heater core block heaters with little issue. Id imagine finding a block heater to fit that engine would be somewhat easy. Sent from my SM-G973U using Tapatalk
  18. Scoobyshep

    Advice needed - new guy with MEP004A

    Maybe I am looking in the wrong spot, but the -34 TM I wouldnt, its too close to the bottom end rating. Maybe I am looking in the wrong place, But the -34 TM page 1-9 calls out the Exciter rating resistance as 2.19 ohms.
  19. Scoobyshep

    Advice needed - new guy with MEP004A

    I used one on a 005 and one (not your exact model but similar field ratings) didnt have the balls to keep the reaction going. I ended up using 3 of them and isolating them with rectifiers. This was more of a need to replace so lets try project.
  20. Scoobyshep

    Advice needed - new guy with MEP004A

    On startup (flash) it borrows 24 vdc from battery to get the reaction going. after it takes the high voltage ac off the head and maintains the field. heres the tricky part, its an inverse reaction. as the AC goes up the DC field needs to go down (otherwise the AC will keep increasing) when...
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