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Ok, I went back and read your previous thread. Regarding compression, if you have 425 in both cylinders that is fine. The manual says anything over 325 is good. With the fuel pumps running do you hear fuel dribbling inside the tank through the return line? Remove the top cover and start it up...

Depending on how hard it is to turn the jack, a speed handle on your adapter might work great. That's what I use on smaller trailer's at least. As long as the jack doesn't require a lot of torque.

The short answer is Yes Absolutely valves can touch and pushrods can bend. I have never seen one with a bent valve because they just barely touch and they touch perfectly flat. Flat valve to flat portion of the piston. I've seen plenty of pistons with valve imprints in the carbon layer on the...

A little added clarification: The reason I suggest putting the old Overvoltage relay back in and unplugging the fault indicator is that you mentioned it USED to generate power for 5 minutes, but after you changed the overload relay it does not. Hopefully putting the overload back to original (...

Oh yea, definitely had some water in there at some point. When searching for a cover gasket, search by DN2M and / or LPW2 DO NOT search MEP-802A or you will pay way too much. PN is 752-10802 , it's called a crankcase door gasket...

Same here... If gage is correct, suspect the VR, but my money is on a bad gage.

Wow, that wave action almost made me sea sick! So far I'm not sure I really see anything all that abnormal. It's hard to tell without a better video, but it doesn't look as bad as I expected. Are all 3 of your control panel door locks working and do the twist down tight? The battery vibration...

Maybe it needs to be broken in still! ;) Start by checking for blow by. Could also be stuck oil control rings, or it really could just need to be broken in more if it wasn't done properly initially. Probably not valve guides at 200hr. You could also try pulling a valve cover just to inspect...

Thank you! Glad to help and glad to share my experiences, and yes.... been there and seen that! I've had at least 2 with the same issue, one was a pretty new, low hour machine... super clean. Ran fine in the warm weather, ( probably just barely got by with warmer oil ) but if temp was below...

It is most likely a bad volt gage, but get yourself a good DMM or better yet a Kill-A-Watt meter and first verify if the voltage truly is fluctuating or not. I've had a few do similar things and it was always a flakey gage, but gotta verify the actual voltage first!

Yup, you're burning it somewhere and quickly! Now just have to figure out where. Stuck rings, worn valve guides, maybe an issue with the crankcase vent or pushrod tubes? What do you have for hours on the engine? Will it pull a full load, 100% on the meter, around 14Kw max? When running...

Well, good to know we've found the problem! Now you need to take the side cover off the motor and unscrew the pressure relief valve tube that screws into the back of the oil pump, next to the pickup tube. Item #1 in the TM image. Take it apart and clean it good! It has a spring loaded check...

Normally I am more than willing to help anyone in any way I can, but unfortunately I think sharing my drawings would be a bit like shooting myself in the foot. It's easy enough for anyone to copy my design, but giving out the dimensions would make it virtually effortless for others to copy...

Agreed... It's an NPT tapered pipe thread, a little thread sealer and screw it in. But if you put it in dry and it's not leaking, don't bother removing it to add thread sealer. The soft brass will usually seal itself pretty well, as you noticed!

PM sent. Thanks for the interest.

No worries... I've guilty as well. I believe it's ok to discus closed auctions, prices, fees, etc. Just not open or upcoming items.

Careful talking about open auctions, it's against the rules :recovry4x4: Prepare for the verbal beatings to commence!

Kurt is our resident expert on the 831, he'll get you straightened out. Start with his controller and see if that solves everything. Make sure you adjust the linkage rods 100% by the book otherwise it will never run right, no matter what you do with the controller.

You're correct about the vibration not normally breaking wires etc. they do vibrate, but they don't typically self destruct!

I just re-read your previous thread where you disassembled the unit and I have a question on the rotor. In the other thread you mention you took apart 2 machines, one came apart easily and the other ( this ) machine you had to fabricate a "Pusher" to jack the rotor plate out of the flywheel and...