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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?

I'd take some parts cleaner spray and see if you can clean things up a bit. It may make things a lot easier to figure out. A bad connection over time can generate enough heat to do some real damage even though the amount of potential energy is low. I had a generator that melted one of the...

We were thinking the same thing at the same time! :D

The shutdown signal comes from a switch that is separate from the sending unit that powers the gauge. Have you done the easy thing and check the wire to make sure its not broken or knocked off from changing the filter? I have had the wire break in the crimp. The wire looked OK but wasn't...

Here in central NC we were VERY LUCKY and got minimal damage. To the west of us its a war zone. I've been reaching out to my contacts organizing volunteers and we are being told that we have about 1 more week before they let civilian volunteers in. Right now its only Professional first...

There is no oil priming pump. The sound is the fuel pump. You won’t get oil pressure until the engine is running.

On the plus side, that is pretty easily repaired. Glad you didn't find the problem inside the generator head. That is a possible sign of loose connections. I'd take the time to go through and make sure EVERY terminal in the power path is nice and tight.

My money is on one bad battery. Might show good on voltage but it may not be making current. Stick a volt meter on each one then hit preheat. See if they hold voltage with the heaters going. If one of the batteries has a problem it will fall flat under load.

Does it make sense to put all the numbers on a list and post it as part of the TM listing for a particular machine?

We did loose power for around 3hrs this morning. The skies have cleared somewhat and the sunshine is peaking through here and there. We got a lot of rain but thankfully here the damage is minor. There were tornadoes reported within a few miles of here. I've not gotten any reports of the damage...

I’m in central NC and expect we will loose power as the winds pick up. The ground is saturated and the trees will struggle to stand against even modest winds. MEPs are fueled and tested.

I had an issue on the most recent auction purchase with the oil pressure being erratic and lower than typical once the oil was up to full temp. Additionally when you shut the unit down the OP would go negative. That suggested that the OP sending unit was bad. Kurt pointed me towards a Autex...

These things are tough but can be broken running them over nameplate for long periods. Keeping the load reasonable will let it give you a nice and long service life.

FYI - The load gauge is calibrated assuming a 0.8 power factor. If you are applying a resistive load you need to take that into account. You were way above 100% at 13kw.

I can do that. I'll be over there later today and will see what I can see. I have a new meter with a pseudo scope function. That could be fun. :D

It was.