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02-18-2007, 12:07 PM
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#41
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Montana Master
Join Date: Apr 2004
Location: Apple Valley
Posts: 1,574
M.O.C. #1358
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...and while you're at it - see if that bag blows up like a balloon.
That's a great idea.
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02-18-2007, 01:54 PM
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#42
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Montana Master
Join Date: Nov 2005
Location: cedar rapids
Posts: 703
M.O.C. #4962
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In regards to the water coming out of the black tank flush my 3475 also dose that and if you track down the plumbing chances are that the check valve is up higher then the fill and when the hose is disconnected the line from the valve to the hose connection drains and then,if not careful, you get wet. Also about the valve that lets sewer gas into the unit, I have heard of this a few times before.One was a motor home and it had been back to the factory 3 times and they could not fix the problem. They were at a rally and a tech replaced the valve and the smell was gone. It seems that your dealer must be a good one and if so see if they would send you a new valve because of the sewer gasses getting into the unit. It could be a health issue.
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02-18-2007, 02:18 PM
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#43
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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Ozzie..very funny...I thought of that so did not do it that way as Helen said.."and what are you going to do with a bag full of sewer gas"
Here is how this forum works and how valuable it is. I report a problem..sewer gas smell. I get much feed back. Some one says there is a one way valve, I did not know that. I check it.. that is were the smell is coming from I do not know how it works,,I ask the question..I get the answer. Some one mentions it might be negative pressure. I check that..it is. Someone suggest I bag the valve..I don't do that but I close both gray and galley outside valves...button up the camper..run the fan...no smell..so we know the smell is not something in the tanks but from the C.G system. So it has to be a bad valve or very poor design..I will call the service center Tuesday and find someone who knows exactly how that thing is supposed to work and my guess is order a new one... All this without talking to a dealer or Keystone...
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02-18-2007, 06:11 PM
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#44
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Montana Master
Join Date: Jun 2003
Location: Full Timer
Posts: 918
M.O.C. #331
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Rich: Just an aside re the grey and gally tank valves...we leave ours closed all the time until it is time to dump the black tank. We use the galley and grey water as a final rinse for the entire dump pipe and sewer hose system after dumping the black tank. That way, there is no way for fumes to get into the rig from the CG sewer system. On occasion, we may have to dump some of either the grey or galley tank before taking care of the black tank, but always keep enough "on board" to rinse out the sewer pipes.
In any event, we always keep the grey and galley tank valves closed, except to dump the tanks, even if hooked up for a month or more at an site. Not a solution, just an observation and a technique..
Best,
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02-18-2007, 07:30 PM
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#45
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Montana Master
Join Date: Nov 2005
Location: Campbell River
Posts: 970
M.O.C. #4976
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We are the same as PJ.
Never leave any tank valves open and dump when necessary. We also use the grey water tank(s)to clean lines after dumping the black water tank.
J&D
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02-18-2007, 09:07 PM
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#46
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Montana Master
Join Date: Jul 2006
Location: Liberty Lake
Posts: 2,310
M.O.C. #6088
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I agree with PJ and J&D. I thought it was common practice to leave the Black & Grey/Galley tank valves closed, except when dumping.
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02-18-2007, 09:10 PM
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#47
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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It is a must for the black and galley tanks, or the liquids drain leaving "hardened or dried solids" at the bottom of your tank. It can ruin a tank in a short time.
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02-19-2007, 04:02 AM
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#48
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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WE now agree about leaving the gray and galley tank valves closed. We have never done that when on full hookups in all our years of camping and never had a "smell" problem. Now we do flush our tanks on a regular bassis..The black tank every day and the gray and galley tanks once a week.I still think this is a poor design feature or poor quality one way valve.. Our quest is to find the answer to the smell problem. We start by calling the service center today.
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02-19-2007, 04:28 AM
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#49
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Montana Master
Join Date: Aug 2004
Location: Cedar Rapids
Posts: 4,876
M.O.C. #1944
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Quote:
quote:Originally posted by richfaa
WE now agree about leaving the gray and galley tank valves closed. We have never done that when on full hookups in all our years of camping and never had a "smell" problem. Now we do flush our tanks on a regular bassis..The black tank every day and the gray and galley tanks once a week.I still think this is a poor design feature or poor quality one way valve.. Our quest is to find the answer to the smell problem. We start by calling the service center today.
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Rich,
I'm not sure it's a good idea to flush the black water tank daily. Unless you have it at least half full of liquid, you can't flush the solids out. But maybe I've misread something. Do you have the built-in back flush system in your rig? If so, then it's probably fine to flush every day. But sounds like a lot of extra work to me.
Orv
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02-19-2007, 05:49 AM
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#50
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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We do have the new docking station and that makes flushing easy. We also keep the black tank at least half full of liquid..It is our opinion that doing that reduces the chance of clogs and paper buildup also eliminates the need for "chemicals"Would agree that is a lot of extra work without the docking station.. It take maybe10/ 15 mins a day to do the flush, just move the hose up one input.
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02-19-2007, 06:07 AM
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#51
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Rich,
Just a suggestion. I have a separate gray hose I use for the flush. Not that I don't trust a check valve - but I don't trust a check valve - and I sure don't want any of that backsplash from the black flush coming back into my potable hose.
If you had the gray hose, you could even leave it hooked up to the docking station and just disconnect it at the bib when you're not using it.
Brad
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02-19-2007, 08:04 AM
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#52
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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I to have a seperate old cheap gray hose(Sears) attached to the black flush. I don't think there is a check valve on the black flush as i mentioned it shoots water out 2 or 3 feet...hence the gray hose..Just "Y"it off the C.G post and turn it on when needed. I have a plan when at the service center..I am going to hook up the water to the black flush then tell the service center tech that there is a problem with the black flush..when he says what.. i say ..take the hose off..when it nails him in the chest..i say... that's the problem.
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02-19-2007, 08:31 AM
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#53
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Rich,
According to the manual (No-Fuss Flush) I got with the Monty, there is a vacuum breaker-check valve located downstream of the inlet, and it is located 6" higher than the highest flood level rim of any fixture connected to the waste holding tank (that would be the toilet). I think that's why you're getting wet. When you relieve pressure on the line and provide a drain - the vacuum breaker opens and dumps the water out the inlet. Probably a lot of water in that hose up to the vacuum breaker.
It also warns to disconnect at the bib and let it drain before disconnecting from the docking station.
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02-19-2007, 09:04 AM
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#54
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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Take a note and stick it in your docking station...."warning take 2 steps to the left before disconnecting the black flush hose." It is nice that the warning to drain is in the manual..if you have one.. and not anywhere in the docking station. Of course after the first wet down you begin to suspect that there is something that you do not know???
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02-19-2007, 11:38 AM
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#55
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Boys, what I did was hook up an additional vacuum breaker to the black tank flush, with a loop....
Oh heck I'll take a picture of it and post it later, we just got back from a 10 mile bike ride 5 miles of into the wind, (on the way back, of course) Anyway, my deal works pretty slick.
Later, Ozz
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02-19-2007, 12:02 PM
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#57
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Hey Ozz,
That's a good idea. I probably got enough of the parts here. I may run the Y down by the bib.
Thanks for the pics!
Brad
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02-19-2007, 12:57 PM
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#58
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Montana Master
Join Date: Nov 2005
Location: Paola
Posts: 5,739
M.O.C. #4961
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Rich, that vacuum break is in the wall above the shower controls. You have about 6 feet of hose filled with water that has to drain when you disconnect.
__________________
Dennis & Linda Ward
Paola, Kansas
Montana 3735MK Legacy Edition
1200 watts of Solar
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02-19-2007, 12:59 PM
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#59
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Dennis,
That explains the inspecton plate in the Pantry! Wondered why they put that in when we have the tub, not the shower.
Brad
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02-19-2007, 02:08 PM
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#60
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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I have the spare parts to do what Ozz did..will do.. 6 feet of hose filled with water no mention of it and no warning that you will be wet down Sounds like another design from the "office of Diabolical engineering" It is fortunate that we have this forum to find out all these things.
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