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Seems like a very intact and generally clean unit to me. If it were me, I wouldn't be cranking to start without the fuse mod installed. Unknown history and all that. I would not be surprised is it spits some smoke and carbon as you start to load it up, as it seems as if there is a bit of black...

Do you have the manual? Have you tried the included flow chart for troubleshooting? How old is this genset? I'm not finding any reference to that model number on the PowerTech site. Did you call Powertech to ask for advice? A few photos might help, particularly of the voltage regulator and the...

Can you share a bit more information please? Model number, hours, generator head manufacturer, known servicing details, and its history, e.g. have you seen the unit deliver 20kW? All the best, 2Pbfeet

Having cats is not the same thing as zero rodents. Ask me how I know..., and I would not overlook mud dauber and paper wasps...

Kinda hard to tell from here, but the body panels seem to fit, no massive leaks, coolant looks newish, and no sign of fire, but the photos are photos of photos, so it is hard to tell. May I suggest getting your hands on it, and taking some better photos? Then doing the fuse mod and MOV if they...

I would point out that Rudolf Diesel's engine is a far cry mechanically from today's diesels. FWIW: I have switched to hydrotreated vegetable oil for my diesels. It is also called renewable diesel in some areas or HVO. It burns more cleanly that petroleum diesel, and has a better lubricity...

Here's a Bridgeport II schematic. As @peapvp points out, it looks set up to convert; http://igor.chudov.com/projects/Bridgeport-Series-II-Interact-2-CNC-Mill/07-Schematic/schematic.jpg

You've probably considered this, but why not replace the the motor, or possibly adjust the internal wiring to support 220V? 1HP is not usually an expensive motor compared to some of the possible switching solutions, unless it is an unusual rpm. A lot of the Bridgeports came 450/230V. All the...

@KD7CAO that's an impressive amount of carbon in the manifold and an impressive amount of oily/greasy unburned diesel and carbon on the piston heads. I'd start with carb cleaner. If you use compressed air, try to have it going across the top of the piston head, rather than down to minimize dust...

I believe #12 are the slide on terminals for the winding that go on terminal block 10, along with #45. If you are missing 12 as connections, the generator is going to have real trouble generating electricity. All the best, 2Pbfeet

Welcome! Congrats on getting it purring like a kitten. Which TMs do you have and have you read? The fourth photo has what looks the remains of rodent nest. If it were me, I would start by cleaning out the debris (fire and short risk), examine that area for wire damage, and clean off the mouse...

I find that an issue / challenge with UPS units is that when they have tight limits on acceptable input voltage/frequency, the droop upon loading can cause the UPS to decide the voltage / frequency is out of range, and drop off line, as @Toolslinger posted above. Then you have a rinse and repeat...

I think that it rarely hurts to replace an old capacitor like that, especially in a unit of unknown history, and always good to keep a spare on hand. If it were me, I would test load it after changing to make sure everything works. Capacitors aren't the most reliable parts in the box in my...

How bad did the air filter look? FWIW: After probing around to get a sense of the range of temperatures, and finding the areas that are the hottest, I try to keep the IR temperature probe perpendicular to the location I want to measure on the manifold, at the same distance to the manifold, the...

There's always some new paint...😉 Congratulations on the new to you generator. All the best, 2Pbfeet

Do you have a photo of the wiring behind the control panel, and inside the cube that you can post?

Welcome to the '803 club. Yes there are a zillion #10 nuts in awkward places, and I think as it is not desirable to have them vibrating around, I think it is important to find them all. Magnetic pickup wands and a vacuum with a crevice nozzle helped me. Bonus: I found fasteners that I was not...

I agree with you that they usually are remanufactured engines, but the document that @kloppk posted lists remanufactured or new. All the best, 2Pbfeet

In addition to @Mullaney's comment above, and this is may sound horribly tedious, but I think all of the wires and wiring ought to be checked. The fully pegged fuel gauge is suggestive to me of a bit erroneous wiring, including checking on the solenoid wiring and function. All the best, 2Pbfeet

Can you elaborate on the "rubber band" question a bit? The original hose is rubber with a woven outer cover, so stiff compared to say clear vinyl tubing that is not usually diesel compatible. Generally, if the outside woven cover is wet or weeping, the hose is cracking, but the woven cover can...