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panos 
Admiral 
Joined: 02 March 2008 Status: Offline Points: 1939 |
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 Posted: 23 June 2011 at 19:19 |
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@ alain,
If possible (from environmental point of view) wash the tanks with hot water and special detergent (for black water tanks) before trial. If you let the hot water solution overnight you get the best results. |
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Panos
Hanse 630e - selling her - |
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Idelfix
Commadore 
Joined: 01 February 2009 Location: Sweden Status: Offline Points: 396 |
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Posted: 28 June 2011 at 21:59 |
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Hi Alain
Is there a filter on the toilet ?? Is the problem to get in water or geting out the sh*t to the wastetank |
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"Keep sailing in free wind"
http://suhrfa.blogspot.se |
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alain
Commander 
Joined: 24 September 2009 Location: Aegean Sea Status: Offline Points: 94 |
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Posted: 29 June 2011 at 08:42 |
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Hi,
We took away the air filters but the problem remains. When we pump away sh.. into the black water tank a counter pressure against the pump builds up until the pump is not effective any more, we then have to wait -- then air bubbles come through the toilet, after that the pump can be used again to pump the remaining away. The air ventilation of the tanks are free -- after flushing the tanks we filled them with water until the water came trough the ventilation holes. To me i9t now looks like the diameter of the tubes between toilet and tank has a faulty reduction somewhere or the pumps are not OK... |
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alain
H445 #26 |
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panos
Admiral
Joined: 02 March 2008 Status: Offline Points: 1939 |
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Posted: 29 June 2011 at 15:59 |
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Hi,
Is it possible that you have a wrong sh*t to water mixture in to toilet before you start pumping them out? Did you try flushing the toilet with a lot lot of water? |
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Panos
Hanse 630e - selling her - |
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Idelfix
Commadore
Joined: 01 February 2009 Location: Sweden Status: Offline Points: 396 |
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Posted: 29 June 2011 at 21:35 |
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i think you have to chek this two rubber thing.
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"Keep sailing in free wind"
http://suhrfa.blogspot.se |
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alain
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Joined: 24 September 2009 Location: Aegean Sea Status: Offline Points: 94 |
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Posted: 01 July 2011 at 11:46 |
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Hi Panos
Many thanks for your input -- we tried out all kind of mixtures... we tried with a lot of water, little water, no water... what ever we do --- after pumping a few strokes the pump loses it's efficiency -- then air bubbles come up to gather with what you just pumped away --- then you pump again... It really is sh..!! |
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alain
H445 #26 |
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Oddmund
Captain 
Joined: 07 May 2008 Location: Norway Status: Offline Points: 176 |
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Posted: 01 July 2011 at 13:46 |
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If I read your problem description correctly then pressure builds up in the tank. If this is correct the the airvent is blocked by S* or paper.
This has happended twice to me. Try a water hose from the outside flushing freshwater INOTO the tank. If this is open the the two black gaskets indicated by the red square in the previous posts must be checked or replaced.
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S/Y Havsula.
370#569 |
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panos
Admiral
Joined: 02 March 2008 Status: Offline Points: 1939 |
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Posted: 01 July 2011 at 18:12 |
If the pump loses efficiency and progressively becomes easier to pump (no counterpressure) then the pump rubber parts should be faulty and replaced as proposed by Idefix. If the pump builds a lot of counterpressure and pumping becomes more difficult as you pump then for sure the pipe from the toilet to the waste water tank is somehow blocked or there is a buildup of waste exactly on top of the input pipe into the tank. Before you proceed to a costly disassembly try to pump warm water with chemicals (like "plumber in a box" or "TUB-O-FLO") into the toilet and enough water to completely fill the tank until the water exits from the overflow and let it work for 5-10 minutes and afterwards to flush it with a lot lot lot of water. The rubber parts of the pump might be destroyed in the process but I think it is worth to try. Another idea is to dissasemble the pipe connecting the toilet to the waste water tank (the toilet end) and try to clean with a thinner pipe inserted while water is pumped in the thin pipe. This is a VERY messy idea but will work! Edited by panos - 01 July 2011 at 18:20 |
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Panos
Hanse 630e - selling her - |
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Idelfix
Commadore
Joined: 01 February 2009 Location: Sweden Status: Offline Points: 396 |
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Posted: 01 July 2011 at 22:08 |
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if the water inlet is closed or half open i get this problem.
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"Keep sailing in free wind"
http://suhrfa.blogspot.se |
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gizmo
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Joined: 03 November 2007 Location: United Kingdom Status: Offline Points: 411 |
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Posted: 10 August 2011 at 13:32 |
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We have this problem on 1 of our heads, it is caused by the locking switch on the pump head not being across correctly, we have to hold it to the right with the other hand to let the pump work otherwise the pump locks its self.
This may not be to clear! try holding the switch to the pump out position (right hand side) with your other hand. Ken
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Ken
430e # 161 UK |
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alain wrote: