Date
1 - 13 of 13
i still can't find the vents for the holding tank
eric freedman <kimberlite@...>
--- In amelyachtowners@..., eric <kimberlite@...> wrote:
though
I looked near the tanks on the hull and couldn't find anything.
Thanks
Eric
Fair Winds,
Amel Super Maramu #376 Kimberlite
-----Original Message-----
From: amelyachtowners@...
[mailto:amelyachtowners@...] On Behalf Of Robin Cooter
Sent: Monday, February 06, 2006 5:41 PM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] vent on newer model sm
I can't answer your question but if they are fitted they should go
the upper part of the hull near the tank and will probably have ametal
shield covering the outlet.Service.
Robin
eric <kimberlite@...> wrote:
Hi,
I have hull #376.
I was wondering where the vents for the holding tanks are located.
Fair Winds,
Eric
Amel Super Maramu #376 Kimberlite
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amelliahona <no_reply@...>
The vents for the holding tanks on my SM (Hull # 335) are part of the
deck fitting for the holding tanks. If you look at the aft portion of
the deck fitting you will see that is composed of a black plastic
spacer and the metal threaded cap. Look at the aft side of the plastic
spacer and you will see two holes drilled horizontally that face aft.
This is the vent. The vent is at the top of the tank (literally). If
you remove the cap labeled "WC" you will see that there is a standpipe
welded to the inside of the metal cap assembly. This standpipe ends
near the bottom of the holding tank. Thus when doing a pump out and
suction is applied at the holding tank deck fitting it draws the black
water from the bottom of the tank while air enters at the top of the
tank through the vent openings. The vent opening also acts as an over-
flow for the holding tanks. If you overfill your holding tanks the
black water will come out of the vents and run down the deck. Don't
ask me how I know this.
Regards, Gary Silver Amel SM 2000 Hull #335
--- In amelyachtowners@..., "eric freedman"
<kimberlite@...> wrote:
deck fitting for the holding tanks. If you look at the aft portion of
the deck fitting you will see that is composed of a black plastic
spacer and the metal threaded cap. Look at the aft side of the plastic
spacer and you will see two holes drilled horizontally that face aft.
This is the vent. The vent is at the top of the tank (literally). If
you remove the cap labeled "WC" you will see that there is a standpipe
welded to the inside of the metal cap assembly. This standpipe ends
near the bottom of the holding tank. Thus when doing a pump out and
suction is applied at the holding tank deck fitting it draws the black
water from the bottom of the tank while air enters at the top of the
tank through the vent openings. The vent opening also acts as an over-
flow for the holding tanks. If you overfill your holding tanks the
black water will come out of the vents and run down the deck. Don't
ask me how I know this.
Regards, Gary Silver Amel SM 2000 Hull #335
--- In amelyachtowners@..., "eric freedman"
<kimberlite@...> wrote:
--- In amelyachtowners@..., eric <kimberlite@> wrote:
I looked near the tanks on the hull and couldn't find anything.
Thanks
Eric
Fair Winds,
Amel Super Maramu #376 Kimberlite
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On Sun, Jul 10, 2022 at 12:20 PM Scott Fowler <yachtistic@...> wrote:
Great intel Gary, cheers. Has anyone removed the plastic deck cap and can explain the procedure? Trying not to force/ damage anything. Vent is blocked creating a vacuum in the tank (best guess) so toilet won't flush. Replaced toilet pump and joker valve yesterday..
Cheers, Scott, SM#405
Mark McGovern
Scott,
Welcome to the forum. It's more likely that you have a blocked hose than a clogged vent. It's easy enough to test your theory. Just remove the black plastic holding tank cap on the deck and then try to flush the toilet with the cap off.
If you have not yet removed the holding tank cap and it seems stuck, use a small prybar and gently lift up one side of the lip of the cap a tiny amount, move the prybar to the opposite side and do the same thing and then repeat this until you can rock the cap back and forth by hand and finally remove it.
Both toilets on my SM had trouble flushing and the culprit in both cases was clogged hoses. Below is a picture of the cross-section of one of my head hoses. The ID of the hose was ~2/3 blocked with calcium carbonate which results from urine and salt water sitting in the hose. And yes, that is a tampon in the middle of the hose. I shoved it in after I cut the hose in order to remove it in an attempt to reduce the amount of shit-water coming out of the hose and into the boat:
There are several threads on this forum on how to change the head hoses. Good luck!
--
Mark McGovern
SM #440 Cara
Annapolis, MD USA
Welcome to the forum. It's more likely that you have a blocked hose than a clogged vent. It's easy enough to test your theory. Just remove the black plastic holding tank cap on the deck and then try to flush the toilet with the cap off.
If you have not yet removed the holding tank cap and it seems stuck, use a small prybar and gently lift up one side of the lip of the cap a tiny amount, move the prybar to the opposite side and do the same thing and then repeat this until you can rock the cap back and forth by hand and finally remove it.
Both toilets on my SM had trouble flushing and the culprit in both cases was clogged hoses. Below is a picture of the cross-section of one of my head hoses. The ID of the hose was ~2/3 blocked with calcium carbonate which results from urine and salt water sitting in the hose. And yes, that is a tampon in the middle of the hose. I shoved it in after I cut the hose in order to remove it in an attempt to reduce the amount of shit-water coming out of the hose and into the boat:
There are several threads on this forum on how to change the head hoses. Good luck!
--
Mark McGovern
SM #440 Cara
Annapolis, MD USA
Get an old piece of 10mm rigging slightly open one end tape the other end closed. Then insert in your electric drill and “ drill out the clog. Takes alot of time and patience. Easier with 2 people one to control the drill the other to ram it into your hose. Really fun work😬
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Cheers
Courtney
Trippin
54#101
On Jul 10, 2022, at 2:51 PM, Scott Fowler <yachtistic@...> wrote:
Was able to remove the cap with an Impeller extractor. My best guess was wrong, my issue isn't a blocked cap vent. I must have a blockage between the joker valve and the tank 🤦 Best fix, anyone?
Remove the pipe work. Beat it on the dock, soak in acid and replace. Make sure everything is cleaned all the way from the choker valve to the holding tank.
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Close the holding tank valve and fill with acid-vinegar or diluted muriatic acid. It will dissolve all the calcium….
If the pipe work is damaged replace with new…
Nick
S/Y Amelia
AML54-019
Leros
On 10 Jul 2022, at 23:24, Courtney Gorman via groups.io <Itsfun1@...> wrote:
Get an old piece of 10mm rigging slightly open one end tape the other end closed. Then insert in your electric drill and “ drill out the clog. Takes alot of time and patience. Easier with 2 people one to control the drill the other to ram it into your hose. Really fun work😬CheersCourtneyTrippin54#101On Jul 10, 2022, at 2:51 PM, Scott Fowler <yachtistic@...> wrote:Was able to remove the cap with an Impeller extractor. My best guess was wrong, my issue isn't a blocked cap vent. I must have a blockage between the joker valve and the tank 🤦 Best fix, anyone?
Scott,
Rinse with water very well. Muriatic acid will ruin the bronze fitting on the bottom of the holding tank.
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On Mon, Jul 11, 2022 at 11:37 AM Scott Fowler <yachtistic@...> wrote:
Thanks everybody. Hoses were calcified with $@!+ crystals. Got things partially flowing with muriatic acid until I reach a spot with a marina & Chandlery. Cheers..
rossirossix4
Hi Bill,
You are absolutely right. Also, iff you want the acid to sit in the hose for a while, you can do the following. While you are pumping the acid into the hose through the toilet you can have a person just running water in through the pumpout opening so that any acid will only make momentary contact with the fitting. Then after you are done pumping and while the acid is sitting in the hose you can fill the tank with at least a few gallons fresh water that any acid that splashed out or continues to leak outd is diluted. Then rinse the tank again once you finally pump the acid out of the hose.
I've posted this before but will mention it again. For those of us that don't plumb our toilets with fresh water--just place an 8" kitchen bowl in the sink. Use the kind that has the soft urethane bottom. After you wash your hands pour the contents of the bowl into the toilet and pump it. Fresh water with liquid soap will sit in the hose. Do the same with toothbrushing or shaving residual--I am convinced that that stuff causes just as much sump smell as food residuals and its mostly fresh water. For the record we dispose of a lot of pots and pans soapy water with food residual through the head as well--if underway, etc.
Bob and Suzanne KAIMI
You are absolutely right. Also, iff you want the acid to sit in the hose for a while, you can do the following. While you are pumping the acid into the hose through the toilet you can have a person just running water in through the pumpout opening so that any acid will only make momentary contact with the fitting. Then after you are done pumping and while the acid is sitting in the hose you can fill the tank with at least a few gallons fresh water that any acid that splashed out or continues to leak outd is diluted. Then rinse the tank again once you finally pump the acid out of the hose.
I've posted this before but will mention it again. For those of us that don't plumb our toilets with fresh water--just place an 8" kitchen bowl in the sink. Use the kind that has the soft urethane bottom. After you wash your hands pour the contents of the bowl into the toilet and pump it. Fresh water with liquid soap will sit in the hose. Do the same with toothbrushing or shaving residual--I am convinced that that stuff causes just as much sump smell as food residuals and its mostly fresh water. For the record we dispose of a lot of pots and pans soapy water with food residual through the head as well--if underway, etc.
Bob and Suzanne KAIMI