fresh water system stopped working after fill-up - Page 2 - SailNet Community
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post #11 of 27 Old 08-01-2008
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Quote:
Originally Posted by HoneyDoII View Post
John,
I read it slightly different. I made the assumption some amount of time passed between when he viewed the boat and then bought it before he sailed it away. Given that time, the PO could have turned off valves as part of his standard exiting proceedure.
My other thought was that the initial test could have used up any water remaining in the line prior to the cut off valves.
Just ideas...
You're probably right about that....


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post #12 of 27 Old 08-01-2008
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check the filter.

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post #13 of 27 Old 08-01-2008
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Pull the lines from both sides of the pump and run the pump. See if there is suction on the inlet side of the pump.

I'm still having wierd pressure issues with my system. I found high backpressure at the outlet side of the pump once. Fixed the problem and it hasn't come back. But I'm occasionally getting warm water out of the cold water faucets. I think I need a stronger check valve on the hot water tank.
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post #14 of 27 Old 08-01-2008
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My 473 has three separate tanks, and therefore 3 separate valve handles near the water pump. You mentioned the boat is new to you, so I suspected that your haven't located those valves yet. Mine ('02 Bene) are small finger valves each about the size of a silver dollar. They are underneath one of my settee cushions just forward of the galley (right next to the water pump).

Additionally, I see nooooo reason why over filling would do any damage to the tank (unless you were using a fire hydrant).
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post #15 of 27 Old 08-01-2008
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Quote:
Originally Posted by Bene505 View Post
Now it doesn't work, only sputters a small bit of water out of the faucets. Any ideas?
How long did it sputter?

I ask because if I have run the tanks down, the water heater as well, it takes some time for the pump to pump water into the water heater and build pressure in the system, and will get the sputtering as you describe until the system is primed.

Maybe all you need to do it give the pump some time???

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post #16 of 27 Old 08-01-2008
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I kinda agree with the Chef, you should open all faucets especially the hot and let it cycle, then work your way from the farthest fixture and kill the water,leaving the galley hot side for last. depending on how big your HWH is, it may take a couple minutes to fully pressurize

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post #17 of 27 Old 08-02-2008 Thread Starter
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Thanks for the suggestions, I'll look at doing the simpler ones in the morning.

Just so we have the symptoms right: the system worked, I filled the tanks, the system stopped working. All in the span of and hour -- it took that long to fill the tanks from the dock hose. Only after it stopped working did I mess about with closing/opening valves to individual tanks.

Oh, and the backup pump is an identical electrical pump. You throw 2 "Y" valves (inlet, outlet) and a switch (power the other one) to operate the alternate pump instead. I didn't mess about with that until after there was a problem. The filter going into this pump/valve arrangement is pretty clean. (The pumps are immediately under the dinette seat, well above the tanks.) Opening all the faucets didn't work.

I'm thinking it's the valves, as you suggest, so I'll look to make sure they are open. (Maybe what I think is open is really closed.) It sure seems like that's the issue, even though no change was made after filling. Then perhaps it's not priming or something. So I'll try the "open inlet port" second, then the "disconnect outlet side of pump" method third.

One last thing to be 100% clear on the symptoms. When filling, I couldn't get one of the 4 filler ports to open. [I even tried putting a piece of dry ice on the screw-cap (to shrink it) but that didn't work. Having learned from mistakes before, that nothing on a boat should be forced too hard lest it break.] So really one of the tanks was not filled.
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post #18 of 27 Old 08-02-2008
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I usually fill my tanks from the inspection port on the tank, try to fill that other (which you could not get the deck plate off to fill) tank this way, run the pumps again and see what happens, it may take several minutes?

Does the pump sound different then when it was working properly?

Cheers,
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post #19 of 27 Old 08-02-2008
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Just make sure you check those screens on the faucets... like I said, similar symptoms to us, we spent a long time investigating and pulling things apart, turned out to be crud on that screw on cap on the faucets - all of them. The water sputtered, came out really slow, etc.

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post #20 of 27 Old 08-08-2008
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Well, either Bene ended up stuck in his bilge, or he fixed his problem and does not need us any longer.
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