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Just wanted to share this tip again in case some have not tried this. As part of our winterizing process, I decided to pour vegetable oil into the gray and black water tanks and work the dump valves to lubricate them. Have done this before but had been a little over a year. I had forgotten what a difference this makes, valves work better than new! Decided to leave just a little in the tanks to sit against the valves through the winter to keep them from drying out instead of antifreeze.
Rick and Janice2006 Mobile Suites 32TK3, 2006 Ford F350 Lariet, 6.0 L, CC, 4WD, DRW w/ Air Bags"Bloom where you are planted"
RickandJanice wrote:Just wanted to share this tip again in case some have not tried this. As part of our winterizing process, I decided to pour vegetable oil into the gray and black water tanks and work the dump valves to lubricate them. Have done this before but had been a little over a year. I had forgotten what a difference this makes, valves work better than new! Decided to leave just a little in the tanks to sit against the valves through the winter to keep them from drying out instead of antifreeze.
That’s at least a 40+ year old trick and a great one to suggest to those who haven’t thought of it. You can do this during the year as well. Just do it right after dumping the tanks so it can get to the valves and not be to diluted.
Bill & Linda2007 36KSB KZ Escalade 5'er - Served us extremely well \ Under Construction - 2014 New Horizons Majestic F37RLTSS 962012 Chevy 3500HD Duramax-Allison \ 4-Wheel Drive \ Air RideClassy Chassis RV Hauler Bed Conversion \ Aux Fuel Tank
We've been camping a long time and in several different kinds of camping units having dump valves but have never heard this tip before! Living in Florida we don't put the RV into storage but I'll bet it would help if it sits for a month or so too. Gonna give it a try... thanks for the tip!
Ron, Joan and beautiful dog Callie2005 Itasca Sunova 34A1993 Jeep Wrangler
Fulltiming since 3/28/12
"With change comes opportunity"
Our dump valves are quite stiff. How much veg oil do you pour in?
08 Mobile Suites 38RLSB3
Cindy T wrote:Our dump valves are quite stiff. How much veg oil do you pour in?Cindy T
Oh gee, maybe a cup. You just need enough to get it to the valve and it gets diluted even when the tank is “empty,” which the almost never really are.
Some do it 3-4 times a year when the rig is in service as well. This is one of those old RVers tricks that gets you into hour long discussions as to what is best. But the goal is just to keep the valve and gasket lubricated a bit. Eventually some will need to be replaced when they start leaking.
I don’t know if this will cure your problem but it won’t hurt.
That’s my 2 cents.
YONNIE and TINA
For the gray, took the trap loose under the bathroom sink, emptied out the water, reconnected it and poured the vegetable oil down it. Then when done with gray valve, removed oil from trap and used it down the toilet for the black tank valve. For the black tank, just pour down the toilet. After getting the oil in the tanks, work the valves open an closed several times to work the oil into the gate seals until they slide easily. On ours, it took putting about 1/2 gallon of oil in each tank and running it through twice to get them loosened up real good. Did the gray first and then reused it for the black tank and then used fresh oil the second time through for the black. One gallon of cheap vegetable oil (fry oil) at GFS is about $4.50.
FT - July 2013
2010 38TKSB3 DRV Mobile Suites
2012 Ford F450
Dale and Ruth Travelling with Tazzy Kat!
Bottle of Baby oil (mineral oil) is what I use.......pour 1/2 cup or so in the tank and wipe the pull rod outside with it......also real good for wiping and lubricating leveler shafts after every use to get the dirt off ,keep from corrosion and protect the seals!!!.....(also mineral oil does not congeal in cold weather)cheap ire dressing and doesnt hurt the rubber is to wipe them with dish-soap after cleaning.....looks nice and makes tire self cleaning during rain storms!!!!!.............LOL!!!
-- Edited by Lucky Mike on Monday 17th of June 2013 03:50:42 PM
1998 ...24'Safari Trek pathfinder class A (Pint size)
My Service dog and life partner " Nikki"......Klee Kia Miniature Husky....(she Runs the ship!!)
We are not lost in the Woods.....Just Extreme boondocking!!!!!!
I don't know where I'm going but I'm on my way. - Carl Segan
Our "Rolling Rest Home" 2013 Trilogy 3650RL dragged by a 2005 GMC Sierra 4x4 Diesel Dually, Kids: Paris (AKA Kitty) & Sadie
My valves are due for a little lube too. I wonder if I can use 303 Aerospace Protectant liquid down the tanks as well. It is the most popular high-quality rubber protectant, so it should function in a similar way to the cooking oil/baby oil. Only downside is that the 303 is more expensive than either of the others.
Let's Roll, America!
Thousand Trails, iRV2, RV DreamsEscapees Fulltimer Class of 2015
I couldn't find much information at the company's website, especially with regards to its chemical make-up. I'm concerned that they spoke of UV protection, but not lubrication. I would think that those were two different characteristics to take into consideration.
But then, I'm not a chemical engineer either. Maybe others will chime in soon.
Terry and Jo2010 Mobile Suites 38TKSB32008 Ford F450 2010 Ford F150 as Tag-along or Scout Two minor works in progess....pictures taken over the years and a webblog:Our photos on PhotobucketIgnoring the Barking Dogs - Terry's Blog
Bill Joyce, 2004 Dutch Star DP towing a 2012 Chevy EquinoxJournal at http://www.sacnoth.comFull-timing since July 2003