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10-29-2017, 11:03 AM
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#1
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Seasoned Camper
Join Date: Apr 2017
Location: Little Slice of Heaven..Missouri
Posts: 98
M.O.C. #19731
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2018 Montana - Are my tanks emptying?
I recently traded my Cougar Fiver in on a new Montana 3721RL. When flushing my black and gray tanks on the Cougar it was obvious by the noise they were flushing. When I pulled my Black Tank handle for the first time on the new Montana I hear nothing? Gray Tank..same thing?
Here’s the strange part...
When I checked inside prior to flushing the black and the gray tank both registered 1/3 full. I did leave the black tank handle open when I went back inside and ran some water into the toilet. I went back outside and still nothing. The DW then yelled that the black and gray tanks were now reading zero fill. ?
I never did hear anything going through hose, and the hose didn’t have any residual liquid that I could tell left in it.
Only other thing I should mention is that this was the first camping weekend with the new rig and the temperatures dropped to a low of around 25 degrees overnight. Could this be part of the problem? Thoughts?
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10-29-2017, 11:12 AM
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#2
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,774
M.O.C. #12947
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The cold wasn't that bad, but did you use the furnace at all over night? If not, maybe it got cold enough to freeze the drain line. If you only spent a couple nights in the rig, you didn't really have enough waste in the black tank to drain it. You should really have at least a 1/2 tank or more to get a good drain. I would wait until things warmed up more, run a lot more water into the black tank, and then try it again, along with running the black tank flush while draining it.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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10-29-2017, 06:30 PM
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#3
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,669
M.O.C. #9969
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Go to your nearest RV Supply Store and buy yourself a clear extension to put between your RV's discharge and your sewer hose. That way you can monitor the flow, takes the guess work out of the job.
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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10-29-2017, 07:02 PM
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#4
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Great advice, I use a clear 90.
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11-02-2017, 06:58 PM
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#5
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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Quote:
Originally Posted by mhs4771
Go to your nearest RV Supply Store and buy yourself a clear extension to put between your RV's discharge and your sewer hose. That way you can monitor the flow, takes the guess work out of the job.
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Good suggestion. I do the same.
__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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10-29-2017, 08:37 PM
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#6
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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Get yourself a clear extension so you can see what's going on when you pull the drain handles you should also get a valtra end for it because if you still have the chip valves
they like to leak!
Bob & Carol
Tacoma WA
2017 352RL 2008 Dodge 3500 DRW crew cab 4x4 6.7L
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11-02-2017, 01:44 PM
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#7
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Montana Fan
Join Date: Oct 2016
Location: Saint George
Posts: 188
M.O.C. #19132
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just a thought if its cold or frozen, if you have the shower set up in your water/valve compartment I forgot the term for that area, anyway . I hook the shower hose (remove the shower head) to the black tank clean out. that way you can run HOT water to your black tank to help clean it out. besides then I only have one hose going into the trailer instead of two. I agree the best thing is to get a clear adapter so you can see what's going on.
__________________
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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11-02-2017, 02:45 PM
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#8
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Montana Master
Join Date: Feb 2004
Location: Brandon
Posts: 3,944
M.O.C. #1034
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A clear extension or clear 90 will tell you a lot about what is going on!
__________________
Darwin & Maureen DeBackere
Minnedosa, Manitoba, Canada
2011/3500/Silverado/4x4/DRW/Duramax
2017/3721RL/Legacy Pkg./Pressure-Pro
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11-02-2017, 03:14 PM
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#9
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Montana Fan
Join Date: Oct 2015
Location: Chiefland
Posts: 117
M.O.C. #17939
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I use a clear 45 that way i see whats coming out best way to know. Also make sure you have a half tank or better when you dump.
__________________
Art and Linda
2007 F250,2000 Montana 2850 RK
2017 F350,2016 Montana 3721 RL
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11-02-2017, 04:27 PM
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#10
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Montana Master
Join Date: Dec 2005
Location: Eugene
Posts: 1,064
M.O.C. #5091
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I also use a 45 degree clear fitting so I can tell if it is getting all the TP out and the black water running fairly clear. I let it fill for about 4 to 5 minutes and empty about 3 times to get it cleaner.
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11-02-2017, 06:36 PM
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#11
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Montana Master
Join Date: Jun 2017
Location: POINTBLANK
Posts: 1,916
M.O.C. #19944
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I'll be switching to the Black Tank Treatment: 1/2 cup of Each; Calgon, Fabric Softener, Liquid Laundry Detergent - from what I've read is that this combination: Limits odor, keeps tank slick, helps keep tank clean, easy on camp ground systems, reasonable cost, could be used for other purposes if required.
__________________
RAM 22' DRW 3500 Crew LB 40 gal reserve tank / RETRAX Bed Cover / 2020 373RD HC / IS / MOPEKA Tank Monitor / Furrion Side&Rear Cameras
Slide Toppers / EMS-HW50C / Sailun 85's
3rd AC / Dometic 320
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