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Are you testing under a load or no load?

I have seen my fair share of primary pumps ( both the square and round ) go bad. Perfect at full load 1 day, then dies after a short time the next day. Failure mode is typically that the machine will start and run but will bog down and die over time. Run time seems directly related to the amount...

The small filter is an Airtex G-17 strainer. Think last time I bought was from Rock Auto.com, I also bought from Summit racing before.

FYI, CB's last paragraph above has worked for me 1/2 dozen times minimum! The secret is to loosen the hardware inside and just be patient, rock the switch back and forth repeatedly and all of a sudden it will switch as normal. This is assuming forcing it hasn't damaged anything, but if you were...

Guess it all depends how your outlets are wired, but most likely each outlet is powered off a different leg. If you have 1 motor on each outlet you are probably good, but 2 motors on the same outlet means you are loading only 1 leg. Either way the 120V powering L3 only is a better choice for...

So, just like Kurt explained, the first thing I would do is exercise and clean both of the switches ( well... second thing after getting the set grounded properly ) Also, are you sure your motor loads are fairly balanced between L1 and L3? Another thing I would try is setting the machine to...

Are they 120V single phase motors? How do you have the generator AC select switch set? are you in 120 / 240V mode, switch behind the control panel in the right hand position? And are you hooked up to L1 L3 and L0? Or are you running in 120V only mode with wires on L3 L0 and ground with the AC...

I also have both the parts ( standard bore ) you need as well as complete rebuilt engines. Just let us know what you find / decide once you tear into it. You can also get new ( pistons and rings ) from Mayi Diesel on-line, also available oversized if you have to over-hone the block. If it's...

I'd be curious if your glow plugs are actually heating and if the injectors are working correctly That machine will never fire up even on a mildly cool day without the glow plugs ( intake heaters alone will not cut it ) You might need to preheat for 30 seconds, but should also verify the glow...

Yes they definitely are Priceless! I purchased a 003A parts motor last year ( I wanted the IP out of it ) and the failure point was smashed up gears, with the crank gear being split open at one of the threaded puller holes. The timing cover was also cracked as a result of the exploding gears...

FYI, sent you a text earlier today to see if we can make arrangements to look at your machine. Let me know if you didn't receive it.

Good deal! Glad it worked.. (y)

In my case I think I removed a #12 and installed a #14 if I recall correctly. I think I had to step up 2 sizes. I have lots of buttons, but have used up most of the thicker ones. I would need to see what size you need. I don't think I have anything thicker than #12 or #13 left in my pile! Lets...

Check the ammeter for reversed wires on the backside. Reversed wires makes it read discharging instead of charging. Should charge at 10A+ and slowly come down to zero within a few minutes.

With a min. buy of 100 pcs.! rofl Watch it be cheaper to buy a plasma cutter, a welder and a hydraulic bender and fabricate one yourself!

The timing buttons are available on the internet. I also have a variety of them in my stash, but be forewarned, the thicker buttons are most commonly the needed ones ( #14 15 and 16 ) and of course these are the hardest to find and most expensive. The procedure to test is laid out in the TM and...

Well, try reading this post. https://www.steelsoldiers.com/threads/a-tale-of-two-timing-buttons.198352/ I still can't explain why, but I have an ultra low ( 6 ) hour 003, completely untouched since new and had the exact same symptoms as you. I tried everything! testing compression, lapping...

Has this machine always run like this? Or did you ever see it behave "Normally"? As for the parts, you can get the updated head gaskets direct from Cummins for about $15 ea. Also try www.Onanparts.com If you need a valve, also look around on the internet, but do not search under "Mep-003 valve"...

Great, thank you for your interest. Ray.

Something else you may want to consider when finalizing your design: I recently serviced an 002 that I sold to a customer 6 or 8 years ago. He had put it on a Pre-made cart he had found at a yard sale. The cart was designed to move pipe / conduit around in a warehouse and it was exactly the...