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How much rain are we talking about? How long has it been that way? The answer is yea, water going in there will end up in the exhaust of the engine. How much it takes before it a problem depends on how the unit was sitting on the ground. I would turn it over by hand and see if it binds up or...

I'm going to spend some time to restore the electrical diagram for the MEP-802/803 machines. This will take a few evenings to do. My goal is to have a multi-layer PDF that 1. you can actually read, 2. allows for different layers to be turned on and off with each layer representing a different...

That is tricky one. The hour meter shouldn't be the main determining factor for such a decision. You need to look at the photos as well as the hour meter to see if things seem to line up. Even then it is no substitute for seeing it in person. Buyer beware. In general if the hour meter is...

Just use a VOM with frequency or plug a kill-a-watt meter in the convenience outlet. They are very handy to have around. Not a budget buster either. https://en.wikipedia.org/wiki/Kill_A_Watt Repairing the frequency meter is something you can do. It will take studying the manual and doing some...

I've found on mine that it varies by a few. 115v-120v is what I see. It stays in that range regardless of load. Most of the variance I'm sure is just VD from the cabling.

The inverters for the PV systems have no problem with AC units. Its the reserve power that will get you. What I'm planning to do is go with a LiFePo4 battery bank from a salvaged Chevy Volt. Those are more stable and less dangerous than standard LiPo batteries. They also allow for deeper...

I would suggest doing some measurements and see what your average load is without any of the high power appliances running. That will help you find the sweet spot for the generator you need. If you do go with a MEP803 just keep an eye on the load. If you aren't loading it enough dry a load of...

You need to verify correct frequency. If you are too high or too low with a single phase motor it can drastically change the current drawn by the motor. Dont continue to try to run these pumps from the 802 until you have verified it is operating near 60hz.

Yes, that is called droop. It is normal. 2hz is a little higher than I would expect but not a serious problem. Set it for 61hz unloaded and you will be down to 59hz loaded. There is a procedure to adjust the governor in the TM. Making it track too tightly can cause RPM hunting. That is way...

The more I think about it I agree that you have a probllem with the neutral somewhere.

That is another great (in a bad way) possibility.

Jinx, you're it. :D

Disconnect it from the house and load test it. Build a rig out of portable heaters or waterheater elements in a big container of water. It sounds to me like you flipped a hot with a neutral somewhere. Go back over everything. Especially the plugs.

My brother was running his MEP802 for a day and a half. He is in the Kinston NC area. In Efland we didn't loose power.

Mothballs. The old stinky kind if you can find them. They work wonders for running off mice. Edit - Old school naptha mothballs. I can offer first hand experience that those work to keep mice away.

Sounds like you are pointed in the right direction. Carry on! :)

Ok. Just making sure. If the generator is vehicle mounted there are some difference in the connections you have to be aware of but if its not going to be in a vehicle/trailer then it won't apply. If you build a metal frame over the generator the frame of the building has to be connected to the...

I hate to say this but it sounds like you could have a wire where the insulation has rubbed through and its grounding out. The only real advice I have right now is to start going through the wiring with the diagram and look for shorts to ground with an ohmmeter. Start at the START/RUN switch...

Ah. Ok. Understandable. Is the generator on a trailer or perm. mounted?

Ok, your plan will work. Bonding jumper at the generator. Not bonded at the breaker box. Ground rod at the generator will be mandatory since that is the bonding location. Ground rod is optional at the panel but certainly recommended. BUT... Personally I would recommend bonding at the breaker...