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Old 09-08-2009, 04:10 PM   #1
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'72 Argosy 22' Black Tank Valve Repair

Went camping two weeks ago and noticed a leak from the black water area. Seemed to be coming from the connection of the pipe to the valve. We made it through the weekend without offending anyone and parked her home. Sunday I decided to investigate. Here is my photo journal.

up on jacks so my fat stomach can fit under. My Easy Up provided some nice shade.


What I started with:



Took off an access panel


and pulled on the pipe a bit. It came out. Seems to have been "fixed" in place with some plumber's putty and not PVC cement. Kind of a good thing I think. I removed the pipe and elbow


Looking up at the valve.


It looks as though someone took about 15 "Johnny Rings" and smeared them all over the joint between the valve and the tank.


I scraped off a lot of the johnny junk.


And had Boy open the garden hose into the toilet so I could see where it was leaking.

Everywhere apparently.

So I took the screws out of the valve and dropped it down.


and removed it.


Leaving just the tank flange. (the ABS piping you see is the gray water drain from the kitchen.

NOTE: all of the photos of the underneath of the trailer are taken from the ground facing towards the rear of the trailer.

Here are all the parts I took off.


Now I just need to determine how I wish to proceed. All parts look good. They just need to be cleaned more and put back together properly. I think the discharge pipe got banged somehow along the line and made the valve joint leak. If I re-seat and gasket everything I should be ok.

Speaking of the bang. Any ideas as to how I could protect that elbow any?

I post photos when I get the pats cleaned up better and I start reassembly.
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Old 09-08-2009, 06:55 PM   #2
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Sorry to hear about the leak. Looks like you have a handle on it though. I appreciate the photo journal, thats an area I havent had to tackle yet.

Al
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Old 09-08-2009, 07:17 PM   #3
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It wasn't quite as disgusting as I thought it would be.

I was thinking about turning the discharge 90 degrees toward the street side. Does anyone think this would minimize it getting hit? It usually takes it's hits near where it's anchored to the bumper.

I've decided I going to clean and reassemble the valve to the tank, then have Boy spray water again. See what happens.
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Old 09-08-2009, 07:46 PM   #4
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Skip , while you have the valve out I would suggest checking to see if it's the tank that is leaking. Make a flate plate with a rubber gasket to bolt on in place of the valve. Clean up that goop on the tank to see if it wasn't there to fix a crack . As you said it may b wise to direct the new one out the side instead of the back. Good luck
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Old 09-10-2009, 08:05 AM   #5
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Originally Posted by biggoofball View Post
I've decided I going to clean and reassemble the valve to the tank, then have Boy spray water again. See what happens.
I bet Boy enjoys that job (especially with the potential of getting Dad wet...)

Tom
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Old 09-10-2009, 08:41 AM   #6
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I wonder if that rig is anywhere near stock. The way the pipe is elled down and out to the rear center looks like someone wanted a convenient dump outlet location and didn't think of the drawbacks: likely periodic destruction of the dump outlet as it is dragged over driveway humps, strain placed on the valve and tank when the pipe is hit or dragged, and persistent source of leaks in the system. Does anyone on the forum have a similar model to show what it should look like? I say this because a similar modification was done to my Minuet with the result that I wound up redoing the entire dump system. Not fun!
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Old 09-12-2009, 08:25 PM   #7
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My 1975 Argosy 24' dumps out the left side, my 2 waste gate valves are not functioning either.....I'm dreading the job. I was thinking about just installing 1 of the universal gate valves on the end of the drain.
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Old 05-24-2010, 09:43 AM   #8
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I got back on this job this weekend. I scraped away some more goop and then put in one of those compression plugs in the tank opening. My bud Tim (who was up to yesterday considering buying my Argy )) sprayed some water into the tank. Tank has a huge crack somewhere near the outlet.

So, how does one remove an Argy black tank? Toilet, sink cabinet off, then pull it out?

Can anyone direct me to a tank supplier? As I said above I also want to change where the discharge goes. I'd like it to be under the belly also. There is a clear shot from the discharge out to the street side. My problem is the Tee fitting.

note in the photos it is a pretty standard tee with a reduced leg for the gray water entry. Is there a right angle tee available for this? That would be sweet. Any thoughts? ideas? comments?
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Old 05-24-2010, 09:57 AM   #9
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My bud Tim (who was up to yesterday considering buying my Argy ))
Ooh! Good to hear. Is Tim the friend who borrowed it last year for your mini-caravan together?

Good luck on the tank.

Tom
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Old 05-24-2010, 10:15 AM   #10
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Ooh! Good to hear. Is Tim the friend who borrowed it last year for your mini-caravan together?
Yes and yes.

Quote:
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Good luck on the tank.

Tom
Now that's unintentionally funny right there. five words that say: "Whew, glad that's not me. I have no idea how to help him nor do I want to."
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Old 05-24-2010, 10:47 AM   #11
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Skip,

Here's a thread from 2006 wherein another member and me discuss his similar plumbing problem to yours and my new under the floor black tank. It might be helpful to you.

Sergei


http://www.airforums.com/forums/f444...val-20759.html
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Old 05-24-2010, 10:58 AM   #12
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Now that's unintentionally funny right there. five words that say: "Whew, glad that's not me. I have no idea how to help him nor do I want to."
LOL! It was a delicate balance of what to say. I thought it was better than "I can't wait to see how this turns out."

Tom
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Old 05-24-2010, 11:01 AM   #13
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Thanks Sergei, and good to hear from you!! I didn't get too far in your link yet, but it seems all info is for tanks below the floor. Mine is above. I thought all Argys had them above, but I must be mistaken.
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Old 05-24-2010, 11:05 AM   #14
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Yes, but I thought you said somewhere that you wanted to move the black below the floor.
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