BAC Forum
General Boards => Technical Support => Topic started by: John Hennessey on April 24, 2014, 05:02:59 AM
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Tried to empty the black tank today and dump valve is frozen and the gear is stripped out so it can not be manually opened. Has anybody had this happen and how did you open the valve in order to empty the black tank.
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John, any suggestion from me would be a guess on this issue. It would probably help others to know the make and year of your coach so they could better answere your question.
Keith
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On the back side of the valve, there is another screw or hex allen wrench nut as on the front side. It is not easy to access, but if you can work your way to the back, you can open it manually. You must take care so as not to strip the screw/nut on the back. Also, you can loosen the 4 corner nuts/screws slightly to give the slide a little more freedom to open. It will possibly leak a little, so I would put a thick rag below the valve. I have had to do this.
Roy
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John: I'm assuming your valves are electric? If so you might try tapping on the valve with something while holding (or having someone hold) the valve switch open. And you may also work it free by switching on/off several times. Good luck.