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Since its a MEP005, no way would I try to use an external transformer when you can do a straight forward modification to get single/split phase out of it directly.

Yea, the droop adjustment might need touching up. If it hasn't run much in a while, I'd give it some exercising before doing much adjusting. Could be just some tight linkages. Edit - When it drops does it ever come back or do you adjust it back right away?

I've not done this so I can't comment on how well it will work. Since the machine wasn't released with this in mind, you'll need to do some modifications. I recommend avoiding trying to get the voltage too high. The generator is wound for 208v, not 230v. Driving the voltage up over spec can...

Yea, if it’s not running in all cylinders, you need to resolve that first. If you are taking everything apart to unstick valves, you can put the muffler in a smoldering fire and cook out the junk. Will give a good head start on things when you put it back together.

Yep, load it as much as it can hold without chugging down and wait. If it’s spitting out chunks then it’s clearing itself. Bump up the load as it can take more. It should recover. The worst one I ever got was an 802 that couldn’t even hold 2kw. After a few hours of “therapy” it would take 6.5kw.

LED lights are really sensitive to that stuff. The ones in my bathroom flash like a photograph is being snapped when I turn off the vent fan.

I had one come through here a couple of months ago that had around 300 hours on it. It smoked and wouldn't take a full load. It peaked out around 8kw. I loaded it up as much as it could hold and let it run. As the exhaust heated up it started spitting out chunks of carbon and the smoke reduced...

The load meters are estimates only. Get a good clamp on meter and know for sure what your load is. If you find that it is indeed tripping early, get the TM and check the burden resistors. The resistors could be bad or you could have a bad connection somewhere in that circuit.

I'd seriously look at an inverter and some LiPO batteries. You can charge the batteries from the engine or a modest sized generator, or even at home in the downtime. Overall I expect the cost might be a little more than a MEP802 BUT in the long run, it will be a much more livable solution...

The important thing is that droop is a necessary part of governor function. Less is NOT better. It leads to surging if you try to get it too low.

Its typical to see about 1.5hz drop from zero load to full load.

Is this a new problem? Has it ever held RPM correctly with load? How many hours on the set? How long have you had it? Any smoke from the exhaust at an indicated 25% load?

Raspberry Pi, home assistant, zigbee modem, zigbee relays to control devices. Zigbee sensors to give feedback for interlocks.

yes vote on neck redesign. otherwise, a drop in replacement would be my preference.

What I can contribute here is there is a "feel" you develop after you do it a few times. Its hard to explain but once you "get it", you'll know immediately if the pump is going in right.

Broken rings and stuck rings can have similar symptoms for a while. Long term broken rings will do a lot more damage. I'd recommend pulling injectors and doing a borescope inspection. See if you have any vertical scarring on the cylinder walls that would point to a broken ring. Edit: If you...

If there is ANY question about whether the mechanical fuel rack is moving freely, have something close at hand that you can use to choke the engine intake off if it tries to run away. Not common these engines but it is possible. You don't want to take something simple and easy to fix like a...

That is making me think the fuel rack has too much friction. If it had suddenly happened I'd lean towards the springs on the governor being damaged. There is a plug on the front of the engine that if you remove it, you can directly push on the fuel rack. You can see if it moves freely. If it...

Did this suddenly start or has it been something that has gotten worse over time?

What do you mean by manually adjusting the plastic knob? Do you mean pushing it towards the cut-off solenoid?