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As I am sure you know a lot depends on the quality of the individual generator, I can tell you a MEP-701a 3kw (built by Onan by the way) has no problem starting and running a standard side by side refrigerator, a mid side chest freezer along with a 6500 btu and a 11,000 btu air conditioner...

There are a lot of generalizations going on here, wet stacking is a real issue with all diesel engines, howver just how big of an issues depends on a number of factors of the individual engine design. Things like is it air cooled or water cooled, turbo charged, or not, as well as direct or...

I can understand both sides of this debate, for my house I have a 3kw MEP-701a (this is of course a under rated output, even by conservitive numbers it is good for 3.6KW 24x7 and a lot more at surge, post rebuild testing requires running at 200% for 10 minutes). This will run the refrigerator...

Unless you have a missile system you need to power most 400hz units are useless on the civilain market. Ike *the only exception is purely reistive loads that don't care about frequency, I have read they are sometimes used in the mining industry for lighting, etc.

Did you use the correct timing button for the new IP? Ike

Yeehaa, where are you finding the surge rating of 200% for 10 seconds, the only place I find that reference is in the test schedule in -34 manual where it seems to be referring to the max short circuit trip time for the breaker which you have noted as a minimum of 54 amps (maximum of 70). Ike

I would opt for the other way around, if it is for both the MEP-701 has a much larger reserve starting capacity for motors than a similar sized civilian unit (I think it is 400% of rated load for 30 seconds). Ike p.s. note when you have a generator wired for 120/240 you will be drawing from...

It took a moment to figure out your question, those knobs are to control what the voltage meter and the amp meter are reading (many of the positions are only useful when set for 3 phase), it helps to understand how a generator works to know what your looking at. I know you have a storm on the...

Ok, an Onan Diesel from 1969 is most likely a Magneciter era Onan DJB, there should be a data plate with a model number on it something like 5.0DJB-?? In 5 KW the most valuable is likely a 120/240 single phase unit which would have a -3? voltage code, other common codes are -15 or -18 for...

A lot depends on which model the generator is, also is it gasoline, propane or diesel?

Like everyone said, it sounds like you found a great deal. 24V fuel pumps can often be found for very cheap prices on ebay (about half the going price of 12V) , although I don't spot many at the moment. I think the originals are Facet style pumps, but if you want to replace it and don't care...

A couple of notes, first note the mistake in the 240V connection diagram you posted from the tech manual (marked 120V). Also be aware at least in my case the front panel convenience outlet is wired up as a single 15 amp outlet with 2 spare fuse holders. So it is probably best not to trust...

You might also try wiring a test lamp across the kill solenoid connector to see if it is dying or receiving a kill signal from the control system. You will have to be watching when it dies though to see what happens first. My guess is also oil pressure switch, you did not say if it will...

That is interesting Speddmon, as I am fairly certain the civilian Diesel J series generators do have a steel oil pan. Ike

Ok, I don't have a MEP-002 or MEP-003 so don't feel qualified to offer advice on their quirks. I can say that my MEP-701a is well within the accepted 58-62 hz tolerance range for home standby generators when it comes to setting the throttle position and forgetting it, with about a 1 hz typical...

I read a report online a while back regarding wear issues in the MEP-002/MEP-003 etc. caused by running various types of fuel other than old fashion high sulphur #2 Diesel. This report was mainly geared at non-U.S. produced fuel alternatives for the middle east, including Russian jet fuel. The...

Never mind my last post, it looks like these units use an adapter plate, not a standard tapered shaft. Ike

Assuming these are standard design generators, I have read about various techniques (although so far have not had to use any myself), the best sounding one to me is after having unscrewed the main rotor bolt (it holds the rotor onto a tapered shaft). Then make a fitting so you can screw a...

The mteal plate under the generator seems to be Onan Green, I am wondering if this trailer originally had a recessed area there like the M200-A1, even though the area in front of the fenders also does not look right for an M200-A1. Ike

doghead, you must have either a better monitor or better eyes than I do, I spotted the fender extension, but still can't tell any detail on the tires. Ike