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03-07-2023, 04:05 PM
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#1
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Established Member
Join Date: Jul 2021
Location: Epsom
Posts: 46
M.O.C. #29195
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Installed Motorized Gate Valve
Our black tank gate valve was leaking past the valve and getting worse, to the point of maybe a gallon or so of scum was getting by between between dumps. To eliminate the problem I had installed another manual gate valve at the very end to block the bypass. It was getting worse and it was time to replace the real gate valve as it exited the black tank. I was going to replace the gate valve and T handle cable together while I was doing it. Camping neighbor suggested putting in a motorized gate valve as he did. I looked into it and purchased the Barker 3" Auto-Drain and a new gate valve. (Amazon pictures show a gate valve with the Auto-drain but, it DOES NOT come with the Auto-Drain purchase)
I highly suggest that this is a two person job. We cut a flap in the corrugated plastic underbelly for access to the gate valve. It is not easy separating the gate valve from between the sewage pipe where is is located. We installed the new gate valve twice because it leaked the first time because the gaskets did not seat properly. Second time we used a ratchet strap around the sewage pipe, tied to the axle, gently separating the pipes and allowing for proper gasket alignment. We snaked 20 or so feet of wire in the underbelly to a light in front compartment for constant 12VDC power.
It's has been installed for a couple of weeks now with no problems. No leaking past new gate valve whatsoever. I works slick! It probably took me and buddy about 4-5 hours to complete.
Barker 3" Auto-Drain #24130 $126.69
Valterra 3" Gate Valve #T1003VPM $22.94
25' zip cord for power $6.00
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2016 Montana 3710FL
2018 Ford F350 SRW
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03-08-2023, 03:44 AM
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#2
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Seasoned Camper
Join Date: Aug 2022
Location: southern
Posts: 77
M.O.C. #31539
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Good work there. Where did yo put the switch to operate the valve ? How did you know where to cut the coroplast and how did you sew it back up ? I ask as I have a leaking valve I need to fix this spring.
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2011 Montana Mountaineer 295RKD
2005 Ram 3500 Dually
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03-08-2023, 06:43 AM
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#3
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Montana Master
Join Date: Aug 2015
Location: SWFL
Posts: 965
M.O.C. #17801
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Glad it worked out for you. I have to do the same and was perplexed about how to seperate the pipes, so thanks for the strap idea.
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2016 Montana 3711FL
2005 Ford F350, 6.0 diesel, short bed
Demco Hitchiker Auto Slide hitch
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03-08-2023, 02:11 PM
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#4
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Established Member
Join Date: Jul 2021
Location: Epsom
Posts: 46
M.O.C. #29195
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Quote:
Originally Posted by ScottnSue
Good work there. Where did yo put the switch to operate the valve ? How did you know where to cut the coroplast and how did you sew it back up ? I ask as I have a leaking valve I need to fix this spring.
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We put the switch right where the old pull cable was as seen in the last pic.
We made an educated guess as the where to cut the coroplast as it is not far from the drain.
We cut coroplast around the washers that were holding it up and put a new self tapping screw and fender washer to put the coroplast back up. I will re-tape the cut seams when I get home. Look at the pic and you can see I only cut 3 side and made it like a flap so it was still connected on one side.
Sorry the pics are sideways!
Hope this helps!
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2016 Montana 3710FL
2018 Ford F350 SRW
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03-09-2023, 07:52 AM
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#5
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Montana Master
Join Date: May 2020
Location: UPLAND
Posts: 1,283
M.O.C. #26190
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That looks slick Bladescb. You'd think the manufacturers would place the valves exposed and not hidden under the belly pan, so maintenance can be performed. When mine do eventually fail, your route is what I will do. Thank you for posting this.
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2019 Keystone Montana 3560RL, 2020 Chevy 2500 HD, Firestone airbags, Air Lift wireless compressor, Curt gooseneck, 20K Reese Goosebox, TST-507, USMC combat vet & retired LEO. Robert, Anika, Breanna, Dylan (daughter-in-law Stephanie). & our Great Pyrenees Layla
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03-10-2023, 12:05 PM
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#6
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Established Member
Join Date: Jul 2021
Location: Epsom
Posts: 46
M.O.C. #29195
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Quote:
Originally Posted by 432bartman
That looks slick Bladescb. You'd think the manufacturers would place the valves exposed and not hidden under the belly pan, so maintenance can be performed. When mine do eventually fail, your route is what I will do. Thank you for posting this.
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I can never figure out what the manufacturer was thinking (or not) when they build these RVs!!!
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2016 Montana 3710FL
2018 Ford F350 SRW
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03-10-2023, 02:59 PM
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#7
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Montana Master
Join Date: Mar 2016
Location: Catoosa
Posts: 786
M.O.C. #18384
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Exposed valves would freeze up in the winter.
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2015 3100RL legacy...2005 Ford F-250 CC SB. Tows like a charm! 4/19 Updated to 2017 Chevy 3500 CC SB SRW -hope it tows as well as my F 250 did!
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03-12-2023, 09:16 PM
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#8
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Montana Fan
Join Date: Aug 2019
Location: Monument
Posts: 114
M.O.C. #24683
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Good point!
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03-13-2023, 10:08 AM
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#9
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Montana Fan
Join Date: Feb 2022
Location: Cynthiana
Posts: 295
M.O.C. #30449
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Quote:
Originally Posted by 432bartman
That looks slick Bladescb. You'd think the manufacturers would place the valves exposed and not hidden under the belly pan, so maintenance can be performed. When mine do eventually fail, your route is what I will do. Thank you for posting this.
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At a very minimum, install an access door or removable panel in this area. It would be easy to maintain the insulation quality and provide access. The odds are pretty high that the dump valves will require service at some point.
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