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Post by fulmitz on Jun 26, 2015 0:42:29 GMT
Final update... My guy said it was a clogged filter on the end of the faucet, full of crud. Got some new ones and replaced them and it works. I'll go to the boat this weekend and check it out. Thanks for everyone's help!
Rob
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Post by ForGrinsToo on Jul 7, 2015 15:06:11 GMT
The 2010 36i seems to have a check valve between the the tank selection valves and the strainer. Arrows on the body indicate flow in one direction only - to the strainer and pump. It's going to require substantial surgery to remove the suspect device from the manifold as it will not release from the quick disconnects and allow inspection. I can understand the need for a check valve to prevent back flow, but isn't it awfully susceptible to clogging by material from the tank? Meanwhile, I have been blaming leaks around the clear plastic strainer cover, with its slightly undersized o-ring and - now - a yard of Teflon tape, for poor suction. Now I suspect a blockage in that "check valve" as I have removed material from the strainer on occasion. Has anyone else investigated this? Geoff
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Post by hoppy on Jul 8, 2015 17:01:09 GMT
Arrrrggghhhhhh a day of hell and wasted money trying to fix my water system. For the last couple of days I've been loosing water pressure after I guess using all the pressure in the accumulator and noticed that the water pump was taking longer to get it back to pressure. So I checked all taps to see if they all had the same problem, yes. Checked the water filter going into the filter, all clear. Checked that only the aft tank was turned on (front was empty) and that was fine. So I took the water pump off to inspect thinking I'd find an impeller. I did not think about the pressure valves until I dismantled it. I noticed an o-ring separating the in and out chambers was screwed (small section was out of position and crushed. Stupidly I decided to buy a new pump and found one with the closest flow rate and pressure. I fitted the new pump and the problem remained. What's worse, it turned on the moment I turned on the taps. Then I filled both tanks and tried the forward tank and suddenly there was no problem (other than the instant on). Clearly the problem is related to the water flow from the aft tank I decided to go back to square one and tried and failed to source a new o-ring, so I reassembled and refitted the old pump. I'm almost back to square one except I think the pump is not performing as well as before I dismantled it. Now I have two problems, 2 useless pumps and the flow from the aft tank. Maybe tomorrow I'll empty the cabin and remove the panels to inspect the tank fittings. Is it the fill overflow that allows air into the tank when using it?
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Post by jeremyr on Aug 8, 2015 18:09:46 GMT
Regarding the comment from "ForGrinsToo" about air leaking past the strainer cap o-ring, you may want to look at my post (http://jeanneau.proboards.com/post/23299/thread) regarding the two different o-rings used on variations of the strainer. It's conceivable you have the wrong o-ring for your setup. Also, using o-ring grease is important if you want it to seal with minimal tightening and to avoid damage to the o-ring.
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Post by ForGrinsToo on Aug 13, 2015 13:01:30 GMT
Thanks, Jeremy. I should be using a lubricant on the o-ring in the cap, but have resorted to Teflon tape on the threads for the short term. I had assumed the cap and o-ring are original as For Grins Too was a dealer's demo boat. Meanwhile, at anchor in the North Channel of Lake Huron, we lost water pressure - again. After struggling for the better part of an hour to get the check valve out of the "quick disconnect" I seem to have found my problem. At right is the junk I removed from the check valve using a paper clip and q-tip. No air leaks around the filter module cap, now, and better than ever water flow.
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Post by ForGrinsToo on Jul 18, 2016 17:42:45 GMT
If anybody is interested, still, a couple of weeks ago i was forced to completely disassemble the maniflod pictured. All of that gunk blocking the check valve peeled off the inside of the manifold. All of it.
I scraped away nearly 3x that amount from the manifold walls.
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Post by jeremyr on Jul 18, 2016 20:34:01 GMT
Wow! Did the plastic on the inside of the manifold deteriorate and slough off? If so, I suppose it's possible that the plastic used is not sufficiently resistant to chloramine, which many municipalities now use instead of chlorine. Some rubbers and plastics do not hold up well to it.
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Post by ForGrinsToo on Jul 20, 2016 1:10:58 GMT
Hi Jeremy, I don't know what caused the material to slough off. It could be a defect in the original compounding and could be exposure. Either way, my thorough mechanical cleaning seems to have solved the problem - so far. Geoff
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whaley
New Member
Posts: 8
Jeanneau Model: 45DS
Yacht Name: Infine...
Home Port: London
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Post by whaley on Apr 8, 2017 19:40:53 GMT
Thanks for all your suggestions. I have a SO 45DS 2008. As we came back to the marina after a sail and started washing up the water would not come out of tap. Tank still 1/4 full but I transferred to other tank anyway. No difference! Came back today and followed all the circuits and fuses. Checked everything was ok. No luck. Tried the aft heads and got the remains of the pipe pressure. Went to the pump and checked the filter and the connections. No luck. Tried the forward heads: Water! Ditto aft heads and shower!! Then I took one of the suggestions from here and undid the filter on galley tap: clogged and calcified!! Trip in the vinegar etc and all now working well. Thanks for your informative ideas.
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Post by Spritz on May 21, 2017 5:22:27 GMT
Dear all, would you be so kind in providing me the number of the full filter and of the cap so I can order a spare part? On my 42 DS I did not have this problem yet but my friend changes it twice a year on his 39 DS.
best regards
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