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+1 on the relief valve. Need to include one for sure. Jordan is a good valve. I've spec'd those on many jobs.

Post a photo of the tag if you can. Would be interested to see exactly what you are looking at.

If you don't have a pressure rated tank its best to keep the pressure down to a few PSI. A typical overlay pressure for a tank is under 5 PSI differential. Its low enough we normally measure it in inches of water column instead of PSI.

I would love to find argon cheap. Would be an excuse to do a lot more TIG practice. :D Markets vary but here in the NC area argon is about 30% more costly than nitrogen. Could also help that the N2 volume is 2-3 tanker trucks per week versus one truck of argon every few months. One plus with...

Lets hope its a HP bottle since you have ~1% loss per day for most cryo storage systems.

If you can do it safely it absolutely will extend the shelf life of the fuel. We intert tanks and processes all the time as part of my day job. Nitrogen is normally the first choice due to its availability and low cost. Argon tends to be used more in the lab/small scale environment where the...

Are you wiring a neutral to anything?

The question about safety is more to the loads you plan on running and less about the generator. To run the generator at 240v phase to phase your phase to neutral voltage will be over 135v. I certainly don't recommend doing that. What are you planning to do with this generator? If its to...

You pull the starter cord Gently till you hit compression then Push down the Compression release lever and give it a big pull.

A cheap borescope is a worthwhile purchase! I was able to find the missing bolt. The bad news is it was snapped off and not just backed out. The repair just got a bit more complicated.

If you decide to go the transformer route you need an open delta.

Don't adjust the VR to get you above 208 on a two phase setup. Look at the data plates on the equipment and it will let you know if its OK to run on 208. A fair amount of equipment is rated for 208-240v.

Can you describe the scenario? Is this emergency power or prime?

Three of those are OUTPUT wires. The ones on the left going to the contactor. They don't count.

I'm super curious about this possibility since the diagram in the TM shows it as a 10 wire head. There are 12 wires coming out but two are not load conductors. They are for the VR. According to the diagram the load conductors should be T0-T9.

Yep, you guys called it 100%. One screw loose and one missing.

Have you verified its a 12 wire head? My understanding is that everything 804 and above are 10 wire heads.

If they hadn't been so far away from me I would have been bidding on them. I expect they will show up on ebay for $3k each like I've seen with others. :(

Thanks for info. I will check those for sure as I work on the repair.

I started up the 831 yesterday to charge batteries and noticed some soot coming out of the gap in the insulation wrap between the exhaust tube leaving the engine and the main muffler body. Pulled back the jacket as much as I could and noticed a crack radiating out from the welded fitting. I'll...