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I know of no reason running this generator without load would hurt anything. Larger water cooled diesels can develop excessive deposits in their exhaust systems when run lightly loaded for long periods.

McMaster-Carr has a lot of that stuff too, and of course is blindingly fast with delivery and excellent with customer service.

Or don't use the hold down bracket. Mine didn't come with any, and unless we get a bigger earthquake than the one we had in 2011... Of course if the generator is still on a trailer and towed around I can understand wanting it/them.

Thanks for thinking of me. I'll put it on the "to do" list (seriously).

Jerry, I wouldn't be overly concerned about 42VAC. Since it's not actually charging the battery, the output may be open circuited and running a little higher than when it's operating properly. 42 is only 20% higher than 35, and in the electrical world, 20% isn't usually anything to be alarmed...

Darn, that's bad news. I'll be waiting for an update.

One step at a time... running is good. :D

I actually make one for another application that is very similar, except for the 24V part. If there's really a need for them I could put it on the to do list.

Just for reference, my 003A will start a very similar compressor, but you can tell it struggles briefly.

I'll never get synthetic oil for my compressor again. You can't use a lot of accessories like water separators with sight gauges, because the oil wrecks the plastic. I had one sight gauge blow off and start hissing loudly one day. When I called Gilkerson I got the news about synthetic oil.

The extra fuel that's returned to cool the injector pump is extra fuel pumped by the injector pump itself, not the 24V supply pumps. There is no return line for those, they just stop pumping when their flow is blocked.

If you have no flow of fuel to the injector pump, the engine isn't going to run. But both main pumps not working sounds like a wiring or switch problem. If both pumps really are bad, you can use the auxiliary pump to replace one of them and get the unit running.

When I was going to school at the U of MD, I would sometimes browse the stacks of the engineering library, mainly when I should have been studying. I was amazed to see complicated analyses of electric motors and generators, including calculus and differential equations, in journals dated from...

It sure does. As an example, the 3-phase line to line voltage is √3 x the line to neutral voltage. 120v x √3 = approx 208v

Absolutely, sorry for the goof, and thanks for fixing it! For sine waves, multiply RMS voltage by √2 to get peak voltage. Divide peak voltage by √2 (or multiply it by 1/√2 =approx .707) to get RMS voltage.

Specifically it has to be a sine wave for the √2 (approx. .707) factor to apply. For example, triangular waves, even if symmetrical, use √3 instead. Edit: As stated below, √2 is approx. 1.414!

Only for square wave AC. Modified sine wave AC is usually square pulses with some time at zero volts in between, so peak voltage is greater than RMS. For a sine wave, V(peak)=V(rms)(√2), so for 120V AC, the peak voltage is 169.7V, and peak to peak is 339.4V. AC voltage is almost always...

This phenolic epoxy coating has been used on a lot of badly rusted and/or leaking motorcycle tanks with great success. It's thicker than some of the other coatings like Kreem and POR-15, and resists all the common fuels like diesel and today's gasoline...

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