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10-11-2020, 04:58 PM
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#21
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Seasoned Camper
Join Date: Aug 2020
Location: Edinburg
Posts: 88
M.O.C. #26856
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I still can't find the galley tank dump valve
I have a 2003 Montana 3655 fl 5th wheel. There are two dump tank valves inside of a compartment. The front most valve is the black tank. I am assuming the rear valve is the gray. Inside, my lights show black, gray, and galley. The gray shows empty, and we haven't been using the shower, just the bathroom sink a little. The galley shows 1/2. Pulling the back dump valve does dump anything. So I am assuming I have a galley dump valve somewhere, but I can't find it. I think the sensor is correct because we have been washing dishes. I have looked under the slides on both sides and around the wheels, and just can't find it.
Does anyone have or has had a similar model? Please help.
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10-11-2020, 06:28 PM
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#22
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,315
M.O.C. #4831
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The "third" tank has tripped up many members. Yes you have a third tank for the the galley. No it is not controlled by the valves in the pass through compartment. It has a separate pull handle on the driver's side somewhere along the frame area. It may come through the frame or it may come out through the coroplast.
Most likely the handle and the pull rod have come off and you get to find where they should be. One sure way, albeit not the easiest, is to lower the coroplast at the point of the existing sewer line exit. You should see an 1.5" (2"??) pipe coming from the rear and plumbed into the sewer exit pipe. Follow that pipe rearwards, lowering the corolast as necessary, until you find the dump valve. That is where the pull rod and handle should connect.
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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10-12-2020, 04:55 AM
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#23
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Montana Master
Join Date: Jul 2014
Location: Upstate NY
Posts: 1,788
M.O.C. #14547
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That the front pull is for the black tank can only be verified by your own trial. I swapped locations when I replaced the valves for a straighter, more even cable run. I actually drilled a new hole in the particle board to achieve that smoother run, plugging the original hole with a snap in plug from eBay along with adding new labels
__________________
Dave W
2014 Montana High Country 343RL (Sold!)
2011 Ford 6.7 Lariat CCLB (Went to PU Heaven)
2019 F150SC XLT SE Sport,w/full tow package
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10-12-2020, 05:45 PM
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#24
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Seasoned Camper
Join Date: Aug 2020
Location: Edinburg
Posts: 88
M.O.C. #26856
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Yep. Verified. Still can't find the galley valve.
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10-12-2020, 08:10 PM
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#25
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Montana Master
Join Date: Jun 2018
Location: Carson City
Posts: 2,017
M.O.C. #21963
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Follow the drain plumbing. You'll find the valve.
__________________
2016 3160, Legacy, Sailuns, Splendide 2100 xc vented, 1 1/2" axle lift blocks, disk brakes. 2014 Ram 3500 SRW SWB 4X4 6.7 Aisin Mega Cab, EBC slotted disks and brakes, Titan fuel tank.
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