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Scratch that. Everything you need governor-wise should already be there. I'm going to pull off an actuator, adjust the set up to 3,650 RPM and see if I can make electricity. Only concern is that overload protection might kick in. Not sure how the inverter will feel about higher voltage...

I remember you mentioning that. I'll probably swap a known good governor to see if that's ultimately it.... I wonder if you can get these to run with a conventional mechanical governor from one of the Chinese gensets. Would burn more fuel but it would make power....

I don't know if red or green makes a difference. I think they just have the one indicator to light up when the relay "closes."

Looking through the wiring diagram I realized K15 should indeed be a 120vAC relay as it's actuation feed is AC. The techman doesn't differentiate on the parts listing - just shows the same DC relay for all 3 slots. Switched out to the appropriate relay and had the same result except that K15...

Mechanical adjustments are going to take a while and I had limited time this morning so I thought I would try a couple of things on my "surger." Realized last night that at least half of the relays that came with my 831's are 120vAC driven rather than the 24vDC called for in the techman. I...

Just realized this probably confirms my assumption. When I manually rev the engine, I can get the voltage I expect to see. Likely need to make some mechanical adjustments.

Governor Controller - Does the governor controller rely on "PMA Voltage" coming from the generator to do it's job? Trying to do some troubleshooting on another genset and realized the "battery +" is only activated when the start switch is in "start" - based on the K12 relay (Fault Lock Out)...

I stumbled upon the TM for the engine. Nice resource. http://www.liberatedmanuals.com/TM-9-2815-257-24.pdf

So I'm continuing to try to find the source of my surging speed. Yesterday I disconnected the signal to the actuator and the engine ran beautifully - so the issue is upstream of there. Then I swapped a known good actuator (stable movement) with the one that is surging. The known good actuator...

So I disconnected the inputs to the actuator and the engine settled out to a nice idle - no issues tied to the engine or oil level. Swapped out an actuator from a known good unit and still the same violent surges - not an issue with the actuator. So, has to be a controller problem or something...

Might consider replacing with a baffled tank to reduce free surface effect.

That trailer set up looks great!

I've got one with a bad head gasket. Should I run away aggressively from the gasket kits marketed for the Chinese Yanmar clones?

Thanks. Unfortunately I only get the opportunity to tool around with them for an hour or so once every few weeks. I'll prioritize getting the surging generator up and running next.

Thanks for the responses guys! I'll play with it this week. Any thoughts from anyone on the set only providing approx 100v to the governor controller? Something bad in the gen head?

When you saw that previously did the governor arm move? I should probably disconnect the input cable to isolate it.

Hi guys! I'm working over the 831s I picked up from Albany and have 2 that are giving problems. One isn't putting anything out at the terminals on the inverter. Voltage on the governor controller is low at around 110vAC (troubleshooting sheet shows should be showing 170+). I'm guessing the...

Got it. All of mine were sealed up with aluminum tape, so the hoses were removed. I'll snap a pic today.

All of the 831a's I bought came with a piece of what looks like radiator hose in there - about 3 or 4 inches long. Loose and usually on the right side inside of the case. Anyone know what that is for? Also, what's the little shelf on the right side with the tie down strap for?

I picked up a few of these in Albany a few weeks ago. I bought a pair of 16CL-B motorcycle batteries and put them in series for 24v. They barely squeeze into the plastic battery holder. Fit perfectly without the plastic in there. They kick over the starter with ease. They have the highest...