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  1. C

    Hole in fuel tank

    So quick search didn't turn up this exact thing I found on my truck. I knew I had a fuel leak from the top of my tank, directly above the fuel fill inlet. Finally got around to dropping the tank today to take a look at it. Pretty obviously a drilled hole. No holes in the bed of the truck...
  2. C

    MEP-802A electrical output hookup

    One of the reasons that 3 phase is used a lot in commercial/industrial is lower start surge compared to 1 phase. It's still there, but because you're spreading the load across 3 different circuits that are offset from each other, it's not as high overall. A lot of industrial and commercial...
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    MEP-804A - intermittent cranking, no starting

    The MPU only does it's job after the unit is cranking, as far as I know it doesn't do anything to the cranking circuit itself, so that isn't likely to be your no crank issue.
  4. C

    MEP-802A electrical output hookup

    208 3 phase uses a different connector than 120/240, and they are not interchangeable. There are some that are similar, and some people wire the plugs for 3 phase on 4 wires, but in reality you need a 5 conductor wire for correct hook ups, the 4 wire makes you give up either the ground or the...
  5. C

    MEP-804A - intermittent cranking, no starting

    Not sure on this unit, but I know on civilian generators you can get an MPU error if the unit thinks it's supposed to be turning over but doesn't. If you are hearing a slid "clunk" when turned to start but it isn't cranking, I'd be suspecting the starter of having issues. If it's the "tick"...
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    What have you done to your HMMWV today/lately

    A couple days ago I found grease all over the inside of the drivers front wheel well. Looks like it was flung out from the CV boot, fortunately the inner one. Have some CV boots and new nord lock washers on order. Set up my temper tent to use as a work garage since it's went and cold around...
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    MEP-802A electrical output hookup

    you have the 3 phase/single phase accurate, unless you have some type of 3 phase equipment you plan to run with it, you'll likely put it into 120/240 mode and never touch it again. The only time I ever do mine in 3 phase is to run a 3 ton ECU with some of the heater elements disabled ( it's 9kw...
  8. C

    Some issues: Decals/Stickers & Pass Though Grommet

    If it's been sitting for a long time, especially in the desert, the tires will be out of round with flat spots. About the only thing you can do it replace them, or ignore it. Centramatics do wonders for balance issues. My front tires are badly out of round, the rears are from a trailer I...
  9. C

    Proof is in the pudding, a rear front hydraulic winch

    Reading through the mile marker troubleshooting manual, the absolute minimum pressure needs to be 1255 psi, and the highest pressure rating I can still find for any brass fitting is only 1200 psi. I'm sure there is some margin of safety built into the fitting and it will probably work just fine...
  10. C

    connecting to a house panel

    The term you are looking for is "interlock" (it also says it on the interlock in your picture)
  11. C

    Proof is in the pudding, a rear front hydraulic winch

    You might want to do something other than the brass fitting there, as most brass fittings are only low pressure rated, which is to say 1200 psi max pressure (on the high pressure ones) or less (as low as 250 psi depending on type). Earlier pumps had max output pressure of 1,450 psi, newer ones...
  12. C

    voltage drop

    Some appliances will do that, but some won't. A lot of the cheaper modern electronics don't like anything other than being right at 60hz. These military generators have a lot cleaner sine wave than a lot of civilian units do, so electronics shouldn't be an issue as long as you are close.
  13. C

    voltage drop

    it won't hurt the generator to have the voltage up a little bit. There are voltage drop calculators online that will tell you the expected amount of voltage drop using what size cable/length cable/load and stuff like that, but general rule of thumb is 5% at the furthest electrical access point...
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    MEP-816B 60KW problem

    If the TM covers more than 1 specific model, then each model will have a different UOC. UOC stands for "Use On Code", so if the parts list has say 3 different options for part number 41 on a diagram, each of those different part 41 will have a different UOC, showing which model it goes with. In...
  15. C

    Switched power-24/12v help??

    I'm not really up to speed on how the ignition is wired, but it sounds like the power you are connected to is wired through the neutral safety switch.
  16. C

    Pulsing headlights and parking lights

    So thinking about this a little more, if it's doing this when it's just the service and not service headlights, the short would need to be in: the horn circuit before the horn (or possibly the horn itself is shorted out) the wiring from the switch to the turn signal box (or is it possible the...
  17. C

    Pulsing headlights and parking lights

    I believe the horn is also controlled by the headlight switch, as it's only functional in the service settings, the button in the horn completes the circuit to ground, so there is a wire going to the horn that is always live in service mode. There is always the chance that something in that...
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    MEP 831A Thoughts/Opinions

    Side note, at least on the civilian side of things, I've noticed a lot of inverter generators don't like high surge loads, they just can't respond fast enough for the peak current and the electronics trip, where a non-inverter generator might still handle it because of the additional rotating...
  19. C

    Electric Fuel lift pump

    If you have some old used motor oil that's been sitting for a long time for the particulates to settle out, or you can run it through a filter (like 5 micron or less) it will turn the fuel black. It won't matter what color it started as. Yes, dyed off road fuel is everywhere, $10k fine per...
  20. C

    Electric Fuel lift pump

    Around here the stickers say things like B2, B5 or B20, or higher numbers up to B100, but that's the biodiesel blend not ethanol. Ethanol is strictly for gasoline in my area. Fortunately I can get ethanol free gasoline at a few local pumps because we're near the water and ethanol fuel sucks...
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