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09-17-2021, 04:32 AM
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#1
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Established Member
Join Date: Jun 2016
Location: Orlando
Posts: 47
M.O.C. #18705
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Pull handles for the waste tanks sticking
The pullout handles for the 3 waste tanks are getting tough to pull out. Sprayed silicone on the visable rods but it has helped only slightly. Concerned something is going to break eventually. Can anyone advise of how the drains and associated mechanisms can be serviced? I’m hoping it does not involve removing the covering on the bottom of the rig but i will do whatever is necessary. Thanks for any insight. Ken
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Ken and Sheila
2014 HM318RE
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09-17-2021, 03:10 PM
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#2
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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I used to spray lube down my cables after removing them from the convenience center, but even that didn't provide long term relief. Dropping the bottom and replacing the cables and valves is the only sure bet.
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2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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09-17-2021, 04:24 PM
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#3
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Montana Fan
Join Date: Oct 2016
Location: Saint George
Posts: 188
M.O.C. #19132
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replacing the whole set up is what I have always heard and going with Valtera they use a solid cable as opposed to braided. now at the Rally in the tips and tricks part one person had an ingenuous idea idea that I will try. he removed the handle then slid a tube over the rod and clamped it to the fitting connecting everything to the panel.
then he poured motor oil in the tube and marked it, the next day the oil was down a couple inches with nothing leaking anywhere. he says his cable pull smooth and no issues. sounds like a great fix to try first but I would go with some sort of light synthetic oil. worth a shot.
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2016 Ram 3500 DRW pulling 2016 Montana 3720RL
living in UT. wandering around with my best friend (38) years married and the royals (2 Saint Bernard's)
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09-17-2021, 04:29 PM
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#4
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,694
M.O.C. #24086
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When I dump, I use wd40 with a straw pointed into the cable, then work the handle in and out while you spray.
Thetford make a lubrication that you pour into the tank to lube the valve.
I've seen YouTube videos where openings have been cut in the bottom and they installed grease fittings in the valve. They use silicon based grease.
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Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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09-18-2021, 07:11 AM
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#5
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Montana Master
Join Date: Aug 2015
Location: SWFL
Posts: 964
M.O.C. #17801
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Quote:
Originally Posted by L0veless
......at the Rally in the tips and tricks part one person had an ingenuous idea idea that I will try. he removed the handle then slid a tube over the rod and clamped it to the fitting connecting everything to the panel......then he poured motor oil in the tube and marked it, the next day the oil was down a couple inches......
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Sounds like a good idea. Similar to what I've done on dirt bikes in the past.
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09-18-2021, 08:05 AM
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#6
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Montana Master
Join Date: Apr 2006
Location: Mesa az
Posts: 2,952
M.O.C. #5651
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My black tank had gotten so hard to pull I was afraid it would break. I had read a lot of recommendations on here for Valtera valves and paid the dealer to replace the black tank valve. Well worth it for me. When new, I could pull the handle with 2 fingers easily and now after maybe 5-6 years it takes 3. LOL
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Tom and Gail
2013 Mountaineer 362
2012 Silverado 2500
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09-19-2021, 09:00 AM
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#7
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Established Member
Join Date: Jun 2016
Location: Orlando
Posts: 47
M.O.C. #18705
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Thanks for the tips. Good news is we are done with our major trip for now and have some time to resolve. Prone to dropping the bottom but will see how outrageous the dealer charge will be to handle it for me, but I lean toward DIY
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Ken and Sheila
2014 HM318RE
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09-19-2021, 10:17 AM
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#8
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Montana Master
Join Date: Jun 2020
Location: Qualicum Beach
Posts: 665
M.O.C. #26399
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Quote:
Originally Posted by Pocketlake1
Thanks for the tips. Good news is we are done with our major trip for now and have some time to resolve. Prone to dropping the bottom but will see how outrageous the dealer charge will be to handle it for me, but I lean toward DIY
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OR swap to electric valves.
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2018 Keystone Montana 3811MS
2017 Ford F450 diesel dually
600AH Battle Born Lithium Batteries, 1,080 watts solar
3,000 watt hybrid inverter with 120A charger
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09-22-2021, 01:50 PM
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#9
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Seasoned Camper
Join Date: Oct 2019
Location: Peoria
Posts: 80
M.O.C. #25158
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Waste handle
Quote:
Originally Posted by Pocketlake1
The pullout handles for the 3 waste tanks are getting tough to pull out. Sprayed silicone on the visable rods but it has helped only slightly. Concerned something is going to break eventually. Can anyone advise of how the drains and associated mechanisms can be serviced? I’m hoping it does not involve removing the covering on the bottom of the rig but i will do whatever is necessary. Thanks for any insight. Ken
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Try Thetford Drain Valve Lubricant
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09-22-2021, 02:12 PM
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#10
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Established Member
Join Date: Apr 2020
Location: Erie
Posts: 15
M.O.C. #26046
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I had the same problem got so bad it froze. Like you I didn’t want to pull the bottom and replace them so I just removed the handle and cable from the wall turned it 90 degrees then added three in one penetrating oil. Kept it that way for three days adding oil periodically. Works now no issues, I know I will need to replace all four but I don’t have to do it right now. I have a 2019 3930 FB
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09-22-2021, 02:35 PM
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#11
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Montana Master
Join Date: Jun 2020
Location: Qualicum Beach
Posts: 665
M.O.C. #26399
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Quote:
Originally Posted by Speck56
Try Thetford Drain Valve Lubricant
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That product is to lube the rubber seals. It can't do anything with the release cables as there is no contact between the two, one is outside the other inside.
Here is a complete DIY for how the OP can replace the valve.
https://www.doityourselfrv.com/repai...mp-gate-valve/
__________________
2018 Keystone Montana 3811MS
2017 Ford F450 diesel dually
600AH Battle Born Lithium Batteries, 1,080 watts solar
3,000 watt hybrid inverter with 120A charger
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09-22-2021, 03:22 PM
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#12
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Established Member
Join Date: Nov 2020
Location: Benton City
Posts: 30
M.O.C. #27463
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Had the same issue in my Alpine, RV guy said put some ice melt,(about half a bag), down your toilet. Wait two hours, worked fine after.
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09-22-2021, 05:38 PM
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#13
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Montana Fan
Join Date: Nov 2011
Location: Albany
Posts: 407
M.O.C. #11972
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After fighting with the same problem for the two valves in the convenience center I finally bit the bullet and replaced those two valves. The third valve still works OK. Perhaps because the cable pull is straight vs. curving around obstacles.
__________________
2012 3150RL. G614 tires. Hardwired surge protector. Level-Up Hydraulic leveling.
2013 F-350 Lariat 6.7 PSD SRW SC LB 4X4 OEM hitch, air self-leveling on rear. 57-gallon replacement fuel tank. DieselSite water separator/fuel filter.
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