7230 with water in fuel

I was stuck with a project today I'm totally unprepared for. This 7230 is probably a 2012 or 2013 model, was purchased new and has been on this farm the entire time. It's been great. So good in fact, I never get called to work on it except for the occasional A/C charge. Thanks to someone's neglect it got a snootful of water(and who knows what else) contaminated fuel over the past day or so. The bad fuel has been eliminated, the filters have been change twice, and now it's a matter of getting it to run again. I believe this is a common rail fuel system? Something I know nothing about, and have no idea where to start. At present the engine tries to start, knocks, rattles, and smokes (mostly grey and white) for a few seconds then dies. We have repeated that process enough times to conclude it's not the answer.
I wonder if the system beyond the filters needs to be drained, flushed, bled, or whatever? If I don't get any ideas or suggestions here, my next step will be to try the local Deere dealer tomorrow morning and see what they recommend.
 
Probably wiped out the high pressure pump with the water in fuel causing metal to get in into the injectors. Is the fuel rail building pressure? Could have a bad or something caught in the pressure relief valve.
 
The common rail system ie very hard to bleed. I have a 7810 common rail tractor that the book says it take 1200 to 1300 umps on the bleed pump to purge all the air from the system. I have put a electric inline pump to help. Hope you get it to runnning soon. John
 
This tractor has an electric supply pump and it's supposedly "self bleeding" if that's possible. Question is - if it has water that's now past the filters and into the system, how does one deal with that?
 

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