PROPER METHOD OF LUBRICATION Please follow these rules when commenting on RVtravel.com. My valves are due for a little lube too. It sounds like there is or was a build up in your black tank causing it to not drain. DO NOT USE the old standby, WD-40. That means you can treat both the black and grey tank valves 3 times per bottle. That doesnt mean things wont break or crack, but do what you can to prevent such issues from happening. The handle will either be connected directly to the gate or it will be connected to a long cable that leads to the gate valve thats located further away. First, go to your sewage line where you dump the gray or black tank. Why? For use on Nissans, Toyotas and other OHC engines. They recommend using 1/5th of the bottle with 4 gallons of water. Our waste holding tanks are constructed of tough ABS plastic for long service life. First, keep the rod well lubricated. The Official Site of Philip T. Rivera. Your ice cube tray does a lot more than just make ice, Holy federal film permit, Batman! How to conquer the fear of breaking down in remote areas, Lawsuit could upend operations of Recreation.gov, Montana moves to save some campsites from filling up with out-of-staters, Fact-checking, ethics & corrections policy. As a side note, the cable can get messed up sometimes. drove the fiver around to lube up the valves, tried for two days to see if it was to work. Its called, Youve got no place to go if your holding tank valves wont open.. However, there are products made specifically for this purpose. What the heck is a ZERT??? You can now continue with your regular RV waste tank checklist. But unless the choice of lubricants is one that will go into suspension with water, the lube will simply float on the top of the tank water and hang out there until you finally dump the tank. On our old travel trailer, I even ripped off the plastic handle to the black tank valve trying to get it to open. Around the Campfire: Who advocates for RVers? Now work the valve open and closed a few times. I drilled small hole in end of valve by handle. Only downside is that the 303 is more expensive than either of the others. Dear Dave, Camco TST Drain Valve Lube is designed to lubricate plumbing lines while you drive. The biggest way to prevent a sticky black tank valve is proper maintenance. . Remove the bolts securing the valve. Just replaced all three pull cablesturned out to be a relatively simple jobat least that's what DH saidLOL! RV Daily Tips. I use the Valve Lub available at the RV store. Most products need tank openings at the top, 2/3, 1/3, and bottom levels. Last year in Texas I started to squirt a lubricating/penetrating oil into each one of the cables where they pass through the dock center (if that makes sense). First, dump a bunch of dish soap into the holding tank that has a stuck valve. Maintenance prevents unwanted surprises. It flows through the waste plumbing system and into the holding tanks. Some say that the best way to lubricate a sticky black or grey tank valve is to use WD-40 on the handle and inside the box that holds the gate valve when its open. When you empty the waste tanks in your RV, the dump valve plays a significant role. What to Do If RV Black or Grey Tank Valve Is Stuck Closed? But then, I'm not a chemical engineer either. IF possible, reposition the valves so the valve body is above the 3 9 oclock position so the water that seeps into the valve body will drain back into the bottom of the pipe. Then you can screw a sheet metal screw into the . Remove the valve from the flanges. To answer your question, some RVers swear by the addition of various kinds of oils to their holding tanks, via the drain. Laying on your back it is almost impossible to reach the upper bolts to remove the valve from the line. You have 24 hours to edit a comment. Most RVs with cable pull or rod-actuated valves are positioned in the side or 3 oclock side of the exit pipe, allowing this contaminated water to lay in the bottom of the body and creating this issue over time. Glad to hear it worked for you. RV Sanitation. I am quite sure that they tell you not to use WD-40 on them. We full-timed in our Sunnybrook for 7 years and on the rare occasions we had a full hook-up site, we flushed those tanks within an inch of their life. RV drain valve lubricant is dumped into the grey and black tank. 2022 RVTravel.com All rights Reserved. By Doug Swarts Hardware. When you dump a tank and the handle is pulled to the open position, simply shoot the stainless rod with a good shot of lubricant spray containing silicon or Teflon. Regardless of this potential revenue, unless stated otherwise, we only recommend products or services we believe provide value to our readers. By continuing to use our site, you consent to accepting cookies. Dave recommends applying silicon to the shaft, rather than WD-40, which will clean the grease and rid of the natural oils that help the valve slide fluidly. All tanks are rotationally molded of a seamless one piece, non-corrosive linear polyethylene that meets FDA acceptance and complies with Coast Guard regulations. I lubed them with Lucas Red and Tacky grease. Simply install the valve between your RV's sewer pipes and mount the handle on the end of the cable in a convenient, easy-to-access place. Pull the T handle all the way out, spray the metal rod, slide it in, pull it out again, spray the metal rod, slide it in, etc., etc. You may want to place a bucket underneath to catch anything that might leak out. If would be great if there were some sort of a way to add grease or some other such lubricating stuff under pressure to make the cables work easier. Save my name, email, and website in this browser for the next time I comment. Why Do People Put Pool Noodles on Their RV Slideouts? A quart bottle treats a tank eight or nine times. 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. Diverter Valves; Holding Tanks; Sewer Accessories; Water Pressure Regulator; Waste Valves; . Your email address will not be published. Startseite; Die Bckerei. We are not lost in the Woods..Just Extreme boondocking!!!!!! Menu and widgets It seems that a shot of lube directly to the valve rod is about the only practical solution, at least from our experience. Its time to replace it. I will do this with only about 2-3 gallons of water for sloshing and just before a trip. Holding the piping/flanges apart, insert the valve between the flanges being sure NOT to move the seals. If you use RV holding tank cleaner and dump your tanks regularly, chances are pretty good . Find the exact marine boat parts you need online. But the goal is just to keep the valve and gasket lubricated a bit. Its also safe for sewers and ok to dump at RV dump stations. Login; Register; Home; Shop by Categories. Make sure to hold the flanges tight against the valve during this process. Many trailers will have the handle on one side and a cable running across to the tank. Price: $73.28. 17 year old rig, see sig. Next, remove the valves from the flanges that hold them in place in the piping. Should You Camp at the Thousand Trails Chehalis Resort? Long time ago a tech told me to use water pump lubricant in the waster water tanks to keep seals pliable and free. If you want to take it a step further, you can remove your RV black tank valve and do a thorough cleaning. Regardless of this potential revenue, unless stated otherwise, we only recommend products or services we believe provide value to our readers. Oh gee, maybe a cup. Thank you for stopping by. so jack the fiver up, put down cardboard on the gravel and go to town upside down removing the belly coraply and disasembly of the BRISTOL valves. You may want to place a bucket underneath to catch anything that might leak out. Fix For Hard To Open & Close RV Black Or Grey Tank Valves. When you dump a tank and the handle is pulled to the open position, simply shoot the stainless rod with a good shot of lubricant spray containing silicon or Teflon. Make sure to hold the flanges tight against the valve during this process. Works great. Before you insert the new black tank valve, you can lubricate the seal for preventative maintenance. vinessa vidotto parents. Either pull the rod out by hand or grip the broken piece with pliers and slide it out a little. Weve never tried it, and do have a couple of concerns. You must log in or register to reply here. An RV holding tank sensor's installation ease is a function of the product's type. Probably cheaper than Murphy's oil. Connect your sewage hose to the dump fitting on your camper. I removed them and cleaned everything with soap and water. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. It works for a while, then I put more in. How Much Does a Thousand Trails Membership Cost? When you buy through our links, we may earn a commission. I couldn't find much information at the company's website, especially with regards to its chemical make-up. Detailed instructions can be found here. Were Jenni and Jesse. Provides an easy way to open and close the remotely installed valve. but does require access to the gate valves which are inside the coroplast in most cases. No anonymous comments. DO NOT OVERTIGHTEN! - 89-8282 Do You Have to Be an Escapees Member to Stay at Escapees RV Parks? In order to be effective, the lubricant needs to be in contact with the rubber in the valve. We use cookies to ensure that we give you the best experience on our website. We also stayed almost exclusively in Forest Service / National Park / Corp of Engineers parks and never put any solids in our black water tank. But if nothing else has been effective this could work as a last resort. For a better experience, please enable JavaScript in your browser before proceeding. Is there an additive I can add to the valves to lubricate the seals? Pro Tip: You dont need to use expensive RV toilet paper. I've had some success with 2 approaches: 1) vegetable oil and dawn liquid dish soap down the drain into the tank, and lubricant spray into the sewer outlet. \rWe're living the RV Full-time life, documenting our travels, and together with our Badass Pomeranian Ziggy, were setting out on the road for some RV Glamping \u0026 Camping getaways. Dave Solberg is a leading expert in the RV industry and author of the RV Handbook as well as the Managing Editor of the RV Repair Club. Only lubricated 2 times but started sticking after all these years. When you loosen the bolts that are holding the gate valve together only undo them about a 1/4 turn at a time. Hopefully, the valve just needed a little space and it opens after just a few turns. I had forgotten what a difference this makes, valves work better than new! For the gray, took the trap loose under the bathroom sink, emptied out the water, reconnected it and poured the vegetable oil down it. RV Waste Superstore - On Sale Now! If you add enough of it to the holding tank that has the gate valve stuck closed it might be able to work its way to the bottom of the tank and the gate valve. This cleans and lubricates not only the seals but the plumbing as well. What are your likely plans for 2023? Holding Tank Dump Valves. Squeeze the flanges together and insert the four bolts and nuts. If you break the valve, youll have more work to do and more money to spend replacing it. They dump it into the tank & it works pretty good. This post may contain affiliate links, This post may contain affiliate links or mention our own products, please check out our disclosure policy. First, keep the rod well lubricated. ; ; If this trick doesnt work it may be time to head to an RV repair shop. If you are going to use grease a on this valve I suggest a food safe grease. Hopefully, everything was ok over the holiday. I suggest using water resistant WD-40 Specialist (click to view on Amazon) on the handles, but it won't work as well on the inner gate part. Its safe to grease the seals as well when you position the valve back on the flanges. If damaged, replace. For the gray, took the trap loose under the bathroom sink, emptied out the water, reconnected it and poured the vegetable oil down it. Some RVers who have been flummoxed by sticky valve handles have gone a step further than the simple advice to lube it every now and then. We sold our home in April 2018 to downsize into a Grand Design 344GK-R 38ft Fifth Wheel. Holding tank valves Fifth Wheels . Clintoons: Ever wonder how these directions make sense? Thetford makes what they advertise as a valve lubricant. Product information Technical Details Additional Information Feedback Serving RVers for more than 20 years. If you can get it open, dump your RV. This website utilizes some advertising services. Thats at least a 40+ year old trick and a great one to suggest to those who havent thought of it. Russ and Tia De Maris are authors of RV Boondocking Basics, a how-to guide for RVing off the grid. Visit www.icanrv.com for more information. The Valterra gate valve is the most common model used by RV manufacturers. The waste tank T handle is in the wet bay. Lubricating from the inside of the black and grey tanks is the best and easiest way to do it. I recommend using the Thetford RV drain valve lubricant reviewed below. When you dump a tank and the handle is pulled to the open position, simply shoot the stainless rod with a good shot of lubricant spray containing silicon or Teflon. I am in campground with blk tank maybe 3/4 full. Click \"SHOW MORE\" for some great information about us.\rTreat us to a cup of coffee: https://ko-fi.com/theglampingguys\rStickers, Shirts \u0026 More: https://teespring.com/stores/glamping-guys-swag-3\rFollow the Glamping Guys on Instagram:\rhttps://www.instagram.com/glamping_guys/\r\r\r*********** \rABOUT US \r***********\rJason \u0026 Tod, are a married couple looking to explore this beautiful world. I don't know where I'm going but I'm on my way. how to pronounce canadian cities. If you dont have Thetford RV drain valve lubricant on hand another thing you can try to lubricate the RV gate valve thats stuck closed is dish soap and water. how to record directors salary in quickbooks Accept X Then when done with gray valve, removed oil from trap and used it down the toilet for the black tank valve. Mine are getting sticky, I am going to find that sprayer and foam adapter SOON. One other item to inspect is the proper installation of the cable, if it applies to your vehicle. so should I leave alone and hope there is enough room for freezing expansion or should I use up room and put a gallon or so in my tank! The valve is located against the trailer frame and just behind the rear tire just above the plastic covering. When you dump a tank and the handle is pulled to the open position, simply shoot the stainless rod with a good shot of lubricant spray containing silicon or Teflon. Buy a tube of lubricant that contains silicon from any big box store or Amazon. How to Fix & Lubricate a Sticky Hard to Pull RV Holding Tank Dump Valve - RV Hacks, Tips & Tricks! Or send your inquiries to him using the form below. I'd replace all three valves and mount the switches in the wet bay or close to the termination outlets. WATCH VIDEO Stabilizer Jack Replacement Do-It-Yourself When it is time to replace your RV stabilizer jack, follow Matt and Bart as they demonstrate how easy it is to do this yourself. the freeze statrs Friday night and it is Wednesday night. 2015 GMC 3500HD Denali DRW CC LB TrailerSaver TS3 Hitch, 2016 DRV Mobile Suites 38RSB3, MorRyde IS, MorRyde Pin Box. We occasionally update our terms and privacy policies pages so if you have not read them lately, we encourage you to do so. We are here to help, call us at. Most important, we want to hear from you so please leave us a comment.\rHAPPY GLAMPING \u0026 SAFE TRAVELS!\r\r\r****************\rVIDEO \u0026 MUSIC\r****************\rVideo \u0026 Editing by Jason Bowles\rOriginal Music by Tod Kimbro\rcopyright 2020 Tod Kimbro \rAll rights reserved.\rOriginal \u0026 copyright free music and/or a combination of is also used in some of our videos. I did not use much and I only worked the rod a little, being unsure if I was performing a useful process. Thermal Package Plus. Save my name and email in browser cookies for the next time I comment so I won't have to enter that information again. 1450 East Vienna Street, Anna, IL 62906. Required fields are marked *. Rating Easy fix by: Anonymous Tap on inner gate with a 2x2 and hammer. Works great. Replace it if it cracks, or if any part of it breaks off. as soon as i loosened the four bolt and removed . What to do about sticky valve handles in RV? Also never put any solids or organic matter down our kitchen sink so our grey tank stayed odor free. Now work the valve open and closed a few times. Proper maintenance is the best way to keep the gate valves to the RV holding tanks from getting sticky, hard to open and close, or stuck. The usual cause of what you describe is dry cables allowing corrosion to begin forming. This situation is something every RV owner fears, and it can sometimes be difficult to solve. my type of pr0blem. When was the last time you lubricated your RV black tank valve? . In addition, after cleaning the tank, i would try to tilt the rig away from the valve to preclude that last bit of water from escaping. Some say that the best way to lubricate a sticky black or grey tank valve is to use WD-40 on the handle and inside the box that holds the gate valve when it's open. Hope this helps. Poured a large bottle of Dawn and three pans of hot water, stomped around to make vibration so soap would agitate, and the whole tank drained in 30 mins. Its a relatively easy process that requires few tools. Russ. Where Can I Have Packages Delivered While On The Road. Some do it 3-4 times a year when the rig is in service as well. Molycoat is what I use too and it works really well. jim preston mchenry, il obituary. Coconut oil is added to prevent sticking valves, making equipment last longer. Use Thetford RV drain lubricant regularly and make sure you are using RV black tank treatment and plenty of water after dumping. Mor Ryde Disk Brakes - ALL 4 CALIPER TO AXLE TUBE BOLTS/NUTS WERE MISSING!!! See Also:What To Do When An RV Waste Tank (Black/Grey) Wont Drain. Try going to a motorcycle dealership/repair shop. Then, grip the metal rod behind the handle with pliers to hold it still and keep it from spinning while you replace the T-handle. A password will be e-mailed to you. Then, with the gate valves closed pour 1/2 a cup in the toilet and the sink that is the closest to the grey tank. The thickness will allow you to tap the body with enough threads to screw in a plug or grease zerk. Youll want to keep the rod well lubricated. (877) 652-0399 Get Directions. Go to Valtera's website and see what they recommend. Im afraid Id be very tempted to simply buy a new valve and lubricate it during installation. A 7/64ths inch drill bit and a #8x1/2 inch stainless steel screw works best to plug the hole.You don't have to use lithium grease, you can use any lubricant that you think is appropriate and one that will not damage the valves in your particular system, which may be different than mine. I undid the black tank valve bolts and . The gate is pulled aside, or open, by an attached stainless steel rod. By continuing to use our site, you consent to accepting cookies. 4 What to do about sticky valve handles in RV? Its a simple concept, but a couple of things can get in the way of a simple operation. Thank you! Where to Find the Best RV Couch Replacements, Walmart Alternatives for Free Overnight RV Parking, Dog Camping Tents Your Pet Will Actually Love, Dow Corning 111 O-Ring Silicone Lubricant (5.3 oz. Fulltimer Class ofLate2015, with my beautiful bride, Lori. If the RV has three holding tanks, you need a Two Valve Kit plus the Single Valve Kit. Our dump valves are quite stiff. Made with a special biodegradable formula, Thetfords gate valve lubricant is safe to use in RV plumbing and holding tanks. They have a system for shooting lubricant down motorcycle brake and clutch cables using a spray can and a foam rubber adapter. I have keep my valve at the 5:00 oclock position but first spray with silicone been that way since 2013 now 2021. Any suggestions for enclosed tanks and valves? All Rights Reserved. But if youre in a tough situation with an RV holding tank valve that wont open when you need to dump your RV its a simple trick you can try. I'm really having a lot of friction when trying to pull the gray and the black water cables. Click Here to Login Squeeze the flanges together and insert the four bolts and nuts. Fahrverkauf Ingolstadt; Preise This will then lube the valve seals. These Destinations Will Be Overrun With Tourists in 2023, The Highest Rated Campgrounds in North Carolina, Your Complete Guide to Marco Island Beaches, What People Really Think About Arrowhead RV Campground. Charlie. The cables were also fairly level with no sharp bends. Safe travels, Once a year I dump some vegetable oil down each waste water tank as well as use the usual supplied straw that comes with every can of spray lube and force some lube by the handle end of the cable. What I also do after rinsing the black tank is open and close the black valve while dumping the gray tank, the soap tends to help lube the black valve seals. As an Amazon Associate I earn from qualifying purchases. Thats all you have to do. drill a hole in the top and squirt a bunch of dry lube in. Wish I could find something that is good durning cold weather. Learn how your comment data is processed. What are your thoughts on lubricating waste tank valves? Save my name and email in browser cookies for the next time I comment so I won't have to enter that information again. Your email address will not be published. shot in dark but maybe you have answer. Then when done with gray valve, removed oil from trap and used it down the toilet for the black tank valve. -- Edited by Lucky Mike on Monday 17th of June 2013 03:50:42 PM, My Service dog and life partner " Nikki"Klee Kia Miniature Husky.(she Runs the ship!!). Holding Tank Treatments; Water Hoses; Sanitation Hoses & Accessories; Toilet Paper; . Do they actually work? Keystone RV Forums > Keystone Tech Forums > Repairs & Maintenance: Lubricating dump valves? There may be others I don't know. Because the valve needs to be connected at the base of the holding tanks, these cable gate valves are used so the handle can still be by the waste outlet where you connect the sewer hose. Eco-Save Original Formula is a cleaner and odor remover that's said to be safe for all RV holding tanks. Dont freak out. NPS calls out YouTube and TikTok users. . See Also:Best RV Sewer Hose Kits Reviewed & Rated. To properly dump your tanks, Paul recommends the following. 3. You use 4 fl. Run the water until you smell the bleach, then let the tank sit for at least 24 hours after you have drained all the bleach water. The system I am familiar with uses molydinum in suspension. 2006 Mobile Suites 32TK3, Mor/Ryde King Pin and I.S., 17.5" Wheels w/ H Rated Tires,Automatic Level Up, 2012 Ford F450 Lariet, 6.7 L, CC, 4WD, DRW w/ Air Bags, Reese Signature 25K Hitch. Like adding water and treatment to the black tank. There are two moving parts on RV gate valves. 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. Once you insert the new valve, replace the bolts. Its not something you want to deal with as an RVer because of the nature of the beast but its a reality. Remove the seals from the flanges and inspect both of the seals and the flanges for cracks or abrasion. Learn how your comment data is processed. If there is no lube to try, Ill have to give a shot at tearing into the back of the wet bay. You can do this during the year as well. It works well but its not my favorite method for regular maintenance because it involves drilling a hole in the gate valve housing. First, keep the rod well lubricated. How do you lubricate RV holding tank valves and cables? However, there is a nice seal that prevents holding tank contents from actually getting onto the rod. You can also try tapping on your RV black tank valve with a hammer. Occasionally, the valves are buried under the motorhome and controlled by a remote cable, which requires removing basement panels for service. RV Holding Tank Dump Valves. All that goop in your black water and gray water waste tanks is held in place by the tanks dump valves. Thank you! Some do it 3-4 times a year when the rig is in service as well. Conclusion. I would think that those were two different characteristics to take into consideration. i tried lubing the cable, pull the valves and installed new seals, tried cooking oil in my tanks before i used them, to lube the actual valve, none of this worked. 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. Last update on 2023-03-04 / Affiliate links / Images from Amazon Product Advertising API, Your email address will not be published. See Also:Best Septic Safe RV Toilet Paper Brands Reviewed. Extend or open the rod and valve and apply the proper lubrication to the rod and run it in and out. Another help would be if the cables that are in the crawl space were run with as straight a shot as possible, or at least with large radius turns or bends. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. Easily replaces manual or cable pull valves. Make sure your tanks are empty and clean. You can install cable-operated RV dump valves by connecting them with the flanges. I thought the same about the cables being run better, but after having to take down the coroplast, I see that they are actually run very well. Rockport TX. Drill your hole in the center of the left or right side of the SS shaft hole, approximately 1/2 from the SS shaft. This will then lube the valve seals. Thats what campground bathrooms are for. The Glamping Guys 6.73K subscribers Subscribe 8.7K views 2 years ago #gaycouple #rvlifestyle. Can you fix it yourself, or will you have to spend money hiring a mobile RV tech? Tuesday, February 28, 2023. Buy an RV, sell your RV, or both? Extreme Thermal Package R-52 (roof, floor and behind . Manually operated valves require considerable effort to operate, and there may be instances where the valve fails to function as intended. (I guess Im not a big fan of working with _____. Any petroleum based lubricant can cause seal damage, cracking and swelling. Mix it up by driving around some, then open and close the valve a few times keeping as much mixture in the tank as possible, then let it sit overnight. The handle that pulls or pushes the gate, and the gate that holds or releases the contents of the holding tank. These Are the Best Vans for Vanlife in 2023, The Vintage Spartan Trailer is Still a Hot Commodity, These Manufacturers Let You Create a Custom RV, The Grooviest Vintage Motorhomes You Have to See. Remove the bolts securing the valve. Is it going to require intensive labor or specialized tools? As an Amazon Associate we earn from qualifying purchases. Holman RV is not responsible for any misprints, typos, or errors found in our website pages. As an Amazon Associate we earn from qualifying purchases. Plug the hole with a small screw. U got silicone greases too. My thought is that products like the Thetford one that is mentioned, are a compound that is actually heavier than the water, and they probably sink to the bottom of the tank and collect at the seal. If you prefer, you can replace the entire valve. If you dump cooking oil, or another oil of that type, you arent accomplishing anything if there is any water in the bottom of the tank. It might even be worth purchasing a replacement kit and having it on hand. Its especially worth doing if youre consistently having problems. Once you detach the valve, clean around the seals and gaskets. Open and shut the valve to make sure it works smoothly. Now finger-tighten the four bolts/nuts then use a wrench and tighten them to 20-inch pounds of torque OR no more than 1 1/2 full turns. Snaked the lines, drilled a hole, baking soda vinegar trick, and everything else under the sun. Just do it right after dumping the tanks so it can get to the valves and not be to diluted. If you replace the valve before it breaks, you can plan accordingly rather than being surprised one day and having to deal with it without any notice. You can lubricate your valves over and over again on a regular basis with this method. For the black tank, just pour down the toilet. 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. We use cookies to ensure that we give you the best experience on our website. Hi Gary, 2 blacks, 2 grays. This short video will show you how to easily lubricate your RV dump valves without having to disassemble the plumbing pipes and valves. If the upstream side of the valve is glued to the pipe, Id disassemble the valve then determine if its feasible to replace with most of a new valve. 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! The company specializes in RV waste systems, and its RV drain valve lubricant is the best way to make it easier to open RV black and grey tank valves. Dont wait until it gets stuck. Any ideas on lubricating the cables and valves that might last a while?