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Old 06-17-2009, 04:19 PM   #1
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Mount Vernon , Washington
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Black Water Dump Valve

I have an 87 Argosy 27' trailer and the black water dump valve is stuck closed. I am unable to open it via the handle. Oh by the way it is full.
Any ideas and how to remedy the situation would be much appreciated.

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Old 06-17-2009, 05:50 PM   #2
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1989 34.5' Airstream 345
Cleveland , Tennessee
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I see 2 options. 1) Wiggle & tug & push gently on handle till it lets go. Be sure to be hooked up for dumping if it frees up. 2) Get somewhere you can dump freely on ground or be able to clean up afterwards. Put on some old clothes, facemask, & a snorkel and start undoing the 4 bolts that hold the valve in place. Good luck in the endeaver of your choice. i hope option 1 works out for you. I had to do option 2, but my tanks were clean.


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1989 345 LE Classic Motorhome
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Old 06-17-2009, 07:24 PM   #3
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1977 Argosy Minuet 6.0 Metre
1973 21' Globetrotter
1975 26' Argosy 26
Vista , California
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I had the same problem,used a LOT of force,and it opened. Since yours is full,I would figure out a way to pump it out,before I took the valve apart. Yuck

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