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| Re: [GMCnet] Pondering a Poo Problem [message #125014 is a reply to message #124987] |
Sat, 07 May 2011 18:17  |
Dennis S
Messages: 3046
Registered: November 2005
Karma: 2
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Senior Member |
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| KB wrote on Sat, 07 May 2011 12:56 |
thanks!!
Karen
> I will be at my coach this afternoon and will measure the distance from the bottom of the pipe to the bottom of the tank -- still have not reinstalled the toilet. As Dan mentioned -- the holding tank is quite shallow.
> When I pulled mine the original screws came out without a problem -- there were in good condition and I reused them.
> The flange on mine is glued to the downpipe -- I made this little tool to remove and reinstall the assembly. You can use screwdrivers and pliers -- but I found this easier.
>
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=37672&title=0077&cat=5690
>
> I also installed a wash out system -- shown in this picture.
>
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=34278&title=0074&cat=4620
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> Cost about $17 at the rv dealer. It only extends into the tank about 2 inches -- has a check valve.
>
> Dennis
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Karen,
From the toilet flange face to the bottom of the input pipe is approx 7 3/4 inches on my coach. But the end of the pipe stops 1/4 inch short of the threaded fitting in the tank. There is apporx 2 3/4 inches from the bottom of the fitting to the bottom of the tank. (I think this compares to the 2 1/2 inch you measured.) It is approx 10 3/4 inches from the flange face to the bottom of the tank. The top of the tank can move up and down as you install the fitting so +/- a 1/4 inch is not surprising.
http://www.gmcmhphotos.com/photos/showphoto.php?photo=39156&title=gmc-tank-and-cats-003&cat=4620
And again here is the photo of my black tank and the threaded fitting.
http://www.gmcmhphotos.com/photos/showphoto.php?photo=31395&title=0053&cat=4620
Sounds like yours may be close to typical.
If you have not checked the sink and shower drains into the tank on your 73 you may want to do so. At that time GM was using a steel nipple into the top of the tank -- these often rust away and cause major leaks.
Dennis S
73 Painted Desert 230
Memphis TN Metro
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