Generator cuts out - only from STBD tank

The connections appear to be simple flair nut type. Not likely to cause any leakage when swapping them. If you do make sure you label them prior to disconnecting so you can keep track of them. Btw your dealing with diesel and not gasoline so not nearly as dangerous. No vent lines run to the crossover valve. there are 2 tank feeds. 1 feed to the generator and 3 return lines, 1 from the generator to the valve and 2 from the valve back to the tanks.
 
hottoddie said:
The connections appear to be simple flair nut type. Not likely to cause any leakage when swapping them. If you do make sure you label them prior to disconnecting so you can keep track of them. Btw your dealing with diesel and not gasoline so not nearly as dangerous. No vent lines run to the crossover valve. there are 2 tank feeds. 1 feed to the generator and 3 return lines, 1 from the generator to the valve and 2 from the valve back to the tanks.
Click to expand...


just curious...why would there be return lines through the valve?

and so i understand:

1 line from PORT to valve (IN)
and then 1 line from valve back to PORT (return)
1 line from STBD to valve (IN)
and then 1 line from valve back to STBD (return)
1 line to GENSET from valve (OUT)
and then 1 line back from the GENSET?

anyway of knowing which is which on the valve without a diagram? everything is bundled together so tight, and space is limited to trace.
 
importmonkey said:
just curious...why would there be return lines through the valve?
Click to expand...

So the return goes to the same tank as the feed. Sometimes they have separate valves (for feed and return) which is either good or bad depending on what your intentions are.

If you feed from one tank and return to another you can effectively polish a tank or transfer from one to another, which is good if you intend to do that, but unintentionally you could easily overfill the return tank if you run long enough or tanks are relatively full to start with. Diesel engine fuel pumps pump huge amounts of fuel, could be twice as much as engine is burning so lots of fuel is returned to tanks.


My 2007 44DA has the same selector valves you do, I think that portion of the manual was a hold over from the 2005 setup. There are many spots in manual like that.
 
swaterhouse said:
So the return goes to the same tank as the feed. Sometimes they have separate valves (for feed and return) which is either good or bad depending on what your intentions are.

If you feed from one tank and return to another you can effectively polish a tank or transfer from one to another, which is good if you intend to do that, but unintentionally you could easily overfill the return tank if you run long enough or tanks are relatively full to start with. Diesel engine fuel pumps pump huge amounts of fuel, could be twice as much as engine is burning so lots of fuel is returned to tanks.


My 2007 44DA has the same selector valves you do, I think that portion of the manual was a hold over from the 2005 setup. There are many spots in manual like that.
Click to expand...

"could be twice as much as engine is burning"

My bet is way more than that. As you said "huge amounts"
 
alright. so, this is what i think would be "the valve." the only difference i see, is that the "OUT" is actually the "IN" when looking at the flow pattern.
grocovalve2.JPG




so, looking at what i have...
groco44da.png



also, mine doesn't mount with bolts
 
Thought it was gonna work today. Got all the way across the bay and didn't cut out until we anchored.

Blink code 3 and then code 15.

Started back up on STBD and it ran for 15 minutes under high load (water heater and AC units) and then shut down.

Changed over to PORT and she's running great for hours.
 
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