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  1. Daybreak

    Mep-803a Fuel or Electrical problem. Will Not Trip.

    Howdy, You need to go back and watch some of my you tube video's 67 amps per leg on a MEP-803A humming along.... Did it trip? yes, not right away, it is a timing thing... if I stayed running it there say for maybe 4-6 minutes, it would trip. MEP-803A 3kw thru 16kw
  2. Daybreak

    Mep-803a Fuel or Electrical problem. Will Not Trip.

    Howdy, If you are trying to make it trip. Power the unit up, run it at 125% After some time.... get ready.... it will trip. It's not like a circuit breaker, the fault light will come on with overload, that is when the unit then drops the power to the circuit interuptor. After this condition...
  3. Daybreak

    Mep-803a Fuel or Electrical problem. Will Not Trip.

    Howdy, Let's get a few things straight. Any running over 100% is not what I do for a long time. The over 100% is in a very controlled situation, and for final testing purposes only. I am using a military load bank. It is not wise to use your house as a load bank. As you know, things can go...
  4. Daybreak

    802A cooling

    Howdy, You would just shoot the little laser locator wherever you want that temp. Probably next to the water coolant temp sender, and general block areas.
  5. Daybreak

    Mep-803a Fuel or Electrical problem. Will Not Trip.

    Howdy, You can watch a few hard runs here MEP-802A/MEP-803A units on a military surplus load bank You want to ensure everything is working and running to the best ability before raising above 100%. You need to monitor and watch for any problems, and be prepared to take action if you do have...
  6. Daybreak

    Mep-803a Fuel or Electrical problem. Will Not Trip.

    Howdy, I would suggest you run your unit for 3-5 hours at around 45 amps load. Meter should be around 80% or more. You need to clean it out.
  7. Daybreak

    The -803 is finally home

    Howdy, Or, think outside the box *************original************** NSN 5940-00-958-1214 part# 69-692-1 Terminal Stud Specs OVERALL HEIGHT 3.938 INCHES OVERALL DIAMETER 1.375 INCHES LARGEST DIAMETER 1.188 INCHES SINGLE END ELECTRICAL INSULATION FEATURE UNINSULATED MOUNTING METHOD STYLE...
  8. Daybreak

    Newbie with an -803a

    Howdy, A smart charger like the NOCO battery charger can monitor and charge each cell to its best ability. Each battery needs to be in its best shape when put into service. Same type, same chemistry, hopefully same date code, same manufacturer. When being charged at 24v in series, you lose some...
  9. Daybreak

    Newbie with an -803a

    Howdy, NOTE; Always fully charge batteries by themselves on a regular plug in charger. (Use your NOCO on each battery first) The Pulsetech solar charger works better when the batteries are in top condition, and maintains them there. NOTE #2; Because the system is 24 volts, always use matched...
  10. Daybreak

    Battle short function 802

    Howdy, NOTE; If you are going to clean the tank.... You certainly do not want to put all the bottom crude thru the filter, lines, and injectors. Drain it all out. mess or not. Drain it all out and clean the tank good. If, that is not the case, fill with diesel and carry on.
  11. Daybreak

    Newbie with an -803a

    Howdy, After cleaning any fuel tank... with some type of cleaner (purple power, simple green etc..) Whatever product you want to use. The final rinse should be with 90% Isopropyl Alcohol. That way it displaces any water, and evaporates.
  12. Daybreak

    MEP 802A Fix-up Thread

    Howdy, All covered here MEP-8xx oil draining
  13. Daybreak

    mep 803a stopped on its own, wont turn over via main switch, has battery power

    Howdy, You might only need some parts too. 6115-01-368-2911 GENERATOR,DIRECT CURRENT 8MR3005C, MEP-802A, MEP-803A Breakdown Parts List
  14. Daybreak

    Newbie with an -803a

    Howdy, After replacing the fuel catridge and the fuel/water filter, turn to prime and run for a long, long time. The fuel system is self bleeding because of the fuel return line. It just takes a while to fill up the filters and such. Good clean diesel with a double dose of additive will not...
  15. Daybreak

    Newbie with an -803a

    Howdy, Do NOT use ATF fluid in your unit just yet. If your unit was reset, and does not have tons of hours on it. It probably is not junked up. I say change the oil because oil breaks down after years of sitting after it has been used, heated, cooled, and heated and cooled. You said it was reset...
  16. Daybreak

    Newbie with an -803a

    Howdy, I second what 155mm said. It would be different if it used 12 gallons of oil. Cold long drain all fluids. Remove all filters, (oil, fuel/water spin-on, fuel canister) On the fuel canister, make sure the little cup lip is on the little gasket. drain the fuel tank, clean the fuel tank...
  17. Daybreak

    MEP803A Lister Engine Build Number

    Howdy, Start with this thread. MEP-802A MEP-803A Filters and Parts It's a sticky :naner: Read through each of the quick links. The exact MEP-802/803 fuel pump is available. Go to this quick link thread MEP-802/803 fuel pump The fuel pump is DOD specific and does not have a ONAN or...
  18. Daybreak

    Military MEP generator reset information

    Howdy, Parts and pieces for the MEP-8XX fuse mod. and some wire, and ends.
  19. Daybreak

    MEP803A Lister Engine Build Number

    Howdy, You missed my point. It will not cross over to Onan or Lister-Petter. It a dept of defense item. You want the NSN number, part# The engine is the engine. exhaust muffler type and style and mounting directions can be different. Say, the throttle cable, it is specific to the MEP...
  20. Daybreak

    MEP803A Lister Engine Build Number

    Howdy, OK, the Lister-Petter LPW4 was designed and used in tons of different uses. The Military design makes some changes which are not Lister-Petter design pieces. You will need to look over the military TM. All the TM's are here on Steel Soldiers under the Technical Manuals section...
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