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If it is draining air has to be getting into the system so you have a leak somewhere either the pump or in a fuel line.

A diesel needs 3 things to start, fuel, air and compression, it also really helps if it gets the fuel at the right time. Take them one at a time: Do you have air (no rag stuffed down the intake?) Do you have compression (is it enough?) Do you have fuel (is the injection pump working, and...

Yeah sounds like your going to have a pair of good ones with just a little work. Ike

You might also try asking over on the Smokstak site in the Onan generator section, there are a lot of people there that know a lot abou the Onan J series engines. Ike

Typical performance for a mechanical governor should be about 2 hz drop from no load to full load, so general advice is to set at 61.5 to 62 Hz no load to allow droop to 60 hz under full load.

I would keep an eye on those DC volts, see if watever it is stays "fixed", as to the hose size, there are semi standard match ups with the various fitting sizes, I think something in the 5/16th inch is common for the one in question. I think that is what I have set up on mine with about a 15 ft...

Ok to answer your questions in reverse order, any hydraulic line with the right size JIC connector will work for the remote fuel line, I know the MEP-002a / MEP-003a use -5 JIC fittings, but I think the MEP-016b / MEP 701a uses -4 JIC. As to the second point, I don't know the exact voltages...

I will leave the question of the dialing to someone with more experience using these cabinets, however I can tell you the one I have seemed to spin with resistance at random points, but would not function to unlock the drawer. Thankfully mine was stored with the locking drawer blocked open. I...

How did you check the fuses? Ceramic fuses will sometimes pass continuity check, but not pass any real current, it is best to check them with an ohm meter, as the continuity setting on many multimeters may be 50 ohms or more,

In my limited experience it seems the front panel outlets often get rewired in creative ways that have nothing to do with the wiring diagrams, so I would suggest going through the connections one by one back to the terminal block and checking for power there. Ike

Adding up the breakers in your panel is probably the easiest way to estimate maximum amp draw, it is also the least accurate. Let me use the example of a modern LCD flat panel tv plugged into its own circuit, that breaker is going to be sized for a 15 amp load (or 1800 watts), even though a...

While we are off the subject and talking about the new color scheme, I do agree it is easier to read, but am I the only one that finds it a bit depressing?

I don't recall the details off hand, but the topic comes up once or twice a year over on the smokstak board in the generator section. Ike

There are ways to determine the wiring pairs on 12 lead units be measuring the resistance and comparing leads.

Perhaps, but front panel gauge style looks a bit older than that, more like the 1960's or 70's. Could it be 400 hz, or maybe 50 /60 hz NATO?

I am guessing an oddball of some types from the 1960's. The main reason the MEP generator program was created in the late 1960's was that the DOD discovered they had no unified procurement program for generators and as a result had thousands of models to support which was a logistical...

The only downside I see to the digital meters is that many of the cheap ones are hard to read in direct sun light.

I agree sounds like a bad ground, easiest fix is often to loosen wiggle (maybe clean) and re-tighten all ground wires.

If you have numerous wires hanging, chances are something else is disconnected also. Ike

The thing is the military greatly under rates their generators, and most stuff sold to the residential market it greatly over rated, I hate to go right out and say that a military 10KW is equal to a permanently installed residential 15KW, because things are not that simple . In some ways they...