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Exactly how it is connected to the two 12v batteries? Maybe a photo would help. Does the charger have a switch for 12v and 24v, or is supposed to sense this and automatically charge at the correct voltage? Could your batteries be so discharged that their voltage is close to 12v, so the...

Accidental post.

It's possible the 002A handles the pump's starting current better, so it gets the pump running quickly and the pump's control box breaker doesn't trip, wheres the 802A takes longer to get it running, so the starting current stays high longer, and the breaker trips. I'm just guessing though.

Excellent. From your title, I thought you meant the engine was slowing down with load. It's nice to have reliable backup power, isn't it? Our power went out for about an hour Sunday, after the storm was gone. I guess the 20 mph breeze blew a tree onto a power line. I was preparing for a...

Korgoth1 pretty much said it, but yes, it has a mechanical governor that should keep the frequency within plus or minus 1 or 2 Hz with varying load.

Put a volt meter on your battery when you run the generator. That will tell you if the voltage is coming up (charging) or going down (discharging). I suspect that trying to servo the engine speed will not be worth the effort, since the original system is pretty good, and a Hz or two off of 60...

Soneil make a line of chargers for 12, 24, 36, or 48 volts. I've had several for many years and they haven't let me down.

OK, you meant what you said. :-D Sorry I don't have the answer for you, however.

What do you mean by "throttle"? There is a governor adjustment cable and knob, but I have a feeling you mean that when you release the main switch and it springs back from the "start" position, the engine stops.

That one says it works with 12v and 24v batteries, so yes you could charge one battery, or both at the same time if you set the charger to 24v. Some reviews complained of failures.

Don't tear down the switch, lubricate it very carefully without taking it apart!

I went back and speed-read the thread, but don't see a reference to two generators. Maybe I missed it.

If the voltage adjust pot is missing and the wires are disconnected and insulated from each other, the regulator will think the output voltage is very low and effectively turn itself off to let the generator put out full voltage. The result will be something like 170 and 340 volts. If you...

Isn't it funny? Not long after I got my 003A, we had a storm, and I said "I hope the power doesn't go out." My son immediately said "Oh no you don't." He knew I was anxious to use the generator for something other than monthly tests.

With the stock wiring and plumbing, you'll need two pumps to run from an external tank. One pump can be used in place of the redundant two used in the "run" position, but when you're using an auxiliary tank, the extra pump moves fuel from that tank to the built-in tank, not to the engine. A...

Guyfang gave good advice, but I'll add to wear goggles if you run power straight from the battery to the pumps. A shorted suppressor capacitor can cause some big sparks!

Sounds like normal voltages it was in the normal run position. The 1/10 of a volt is just stray voltage that your high impedance meter is picking up.

Sorry about your bad luck, Greg. You might consider Linux for a computer that you rely on.

M3M5 adam, glad that's straightened out. There is a tach, it's the frequency meter. :-) Rustystud, there are three phases, equally spaced in the 360 degree circle, 120 degrees apart. That's why 120-0-120 gives you 208. Here's a correct graph: Longer explanation here...

Everything you said was good advice, but 3-phase power has the three legs 120 degrees apart. Using two of them to simulate single phase gives you 120v and 208v.