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  1. Keith_J

    MEP-3 questions

    Black smoke is a good sign, adequate compression and surplus of fuel. This could be inadequate governor adjustment. All diesel engines are governed. This engine's governor is very simple and mostly external. The flyball governor portion, the part which limits engine speed, is working. This...
  2. Keith_J

    MEP017A - Alternative to MEP002A

    If you can get 3600 RPM somehow. And it will need an input bearing since these generators share middle bearing with the engine, the generator having only an outboard bearing.
  3. Keith_J

    MEP operation and testing video thread

    I put my 002A though a short load test today, using my Dynasty 200 DX wired in 3-phase and running 4 3/32" E6013 electrodes (at the same time) on 200 amperes combined. That is the welder setting. Didn't have an observer to monitor the % rated current, the frequency dipped to 58 Hz, probably...
  4. Keith_J

    Tarp fix question

    Permatex makes a vinyl repair kit you can get at your local auto parts store. Has a little electric iron for curing the resin. This stuff WORKS. If seams are pulling, use needle and thread to reinforce, then cover with the vinyl repair gel in a matching color (mix colors to match), then cover...
  5. Keith_J

    MEP Frequency Meter is Funny

    The capacitor is failed and is probably failed with some DC resistance, causing the wire-wound resistor to see greater current which is heating the resistor. It should be fine but a quick test would be a good thing. You might have to remove it from the circuit, just one leg is fine. It is a...
  6. Keith_J

    MEP 002A is ALIVE!

    The hardest part of opening these meters is the threaded ring, about 3/16" thick and deep and 2-3/4" in diameter. It is made of pot metal with 4 notches for a wrench. Which I don't have. So I use a punch which breaks the locking ring as it was never intended to be removed. Once the meter is...
  7. Keith_J

    MEP 002A is ALIVE!

    Little change on the frequency meter replacement. I have been using my digital volt meter in the 200 micro-ampere setting, hooked up to the transducer to read frequency as 60 Hz corresponds to 100 micro-amperes. Well, I managed to find a 0-200 micro-ampere meter in a 3-1/2" case just like the...
  8. Keith_J

    aux fuel pump question

    Terminal 17 on S1 is what powers both the pump and the fuel solenoid valve. Terminal 17 is only energized in the AUX position (12:00 position) but since it must be passed every time the set is started, the pump gets exercised. These pumps have a suction stroke powered by a coil acting on a...
  9. Keith_J

    mep002a engine swap going on

    Use the threaded hole in the valve cover to lift the engine. Unbolt the generator from the flex plate first. Those are the bolts which rotate with the engine. Then remove the bolts securing the shell to the engine. There is a bolt on the cross member to support the engine side of the...
  10. Keith_J

    Semi Permanent Generator Instillation Question

    Removing wheels also lowers theft potential.
  11. Keith_J

    mep003...mep017 fuel lines

    Fuel lines good for gasoline are good for diesel. Pressure is under 10 PSI on these lines. On the voltage regulator issue, field flashing is not normally required, unlike the 002/003A series because the 017 operates at 3600 RPM and USUALLY residual magnetism is sufficient to "bootstrap" the...
  12. Keith_J

    MEP Frequency Meter is Funny

    Yes, the transducer is shot. Running it open (without a resistive load) can cause this. Reasonable cost? Not likely. A 0-200 microampere 55-65 Hz transducer isn't a standard item. TransData makes a 55-65 Hz, 1 milliampere unit which you could use, employing a current dividing network to...
  13. Keith_J

    MEP 002A is ALIVE!

    So far, I've put 10 hours on it. About 6 of those it was powering my welder, about 6 amperes in 3-phase average draw. The tank and filters were bone dry, I have put 10 gallons in it meaning it has only burned 3.25 gallons. Yes, it burns a lot more than 1/3rd gallon an hour when the welder is...
  14. Keith_J

    aux fuel pump question

    If you disconnect the tank switch (remove Cannon plug) on the 002/003A, the solenoid valve on the third pump should not open, meaning no flow. If the pump has no connection/fuel, the air may allow pump cycling. Jumping connections on the Cannon plug will allow flow. Flow is fast enough to...
  15. Keith_J

    MEP Frequency Meter is Funny

    Higher frequency isn't an issue. The problem is lower frequency since the exciter current will be low, causing the voltage regulator to peg. Running the output transistor(s) at maximum causes the issues. The engines can take the abuse. Just don't shut down immediately after hard use, let the...
  16. Keith_J

    MEP Frequency Meter is Funny

    Yes, always leave throttle (governor speed control) at 60 Hz. The voltage regulator lasts longer that way. The basic Kill-O-Watt meters work well enough and are somewhat immune to back EMF (reactive current) which throws off meters. Using utility current to calibrate the transducer and...
  17. Keith_J

    MEP Frequency Meter is Funny

    Digital meters can be picky, they read fine without a load but put anything other than pure resistive on them and they don't seem to deal with the back EMF. The adjusting screw is the bias screw, it should only be moved with known frequency. It affects the entire scale. Basically, the...
  18. Keith_J

    MEP use in home PV system for topping up batteries

    Because it is 7 amperes. Barely keeps batteries charged if you aren't running it but for 15 minutes at a time. And that is without any preheat. Voice of experience here, I've been using mine to power my welder and because I only have a 6 foot power cord plus 15 feet of work lead (but 25 foot...
  19. Keith_J

    axle vent modification

    The filter housing has minimal vacuum. As long as you keep your air filter clean, it isn't an issue. These filters are way over-sized.
  20. Keith_J

    I'm shure another brake fluid question

    Back when I was serving, the military brake fluid was DOT5 and purple in color. Used in all vehicles, from the JD-410 backhoe to the Cat 621B scraper. That was in the 1980s.
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