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Dump Valve Lube

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  • Dump Valve Lube

    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 Binns


    2006 MS 32TK3, #2765, MorRyde I.S. & Pin Box, Level Up One Touch, 17.5" Wheel Upgrade
    2012 F450 6.7L Diesel w/ Air Bags, Reese 25K Signature Hitch

    "Bloom where you are planted"

  • #2
    Did you just put it in the toilet or somewhere else?

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    • #3
      Thanks, I need something to keep the valves lubricated for part time full time use, since we are in the Suites about 8 months a year, my gray tank was hard to open when I would leave it open when sitting for several weeks. Now I don't leave it open except to run the Washer or dumping the tank. Now the Black tank valve tank is hard to open/close any suggestions... Happy Trails.....
      Delaine and Lindy

      2012 Chevy Silverado 3500HD DRW's (TRADED)
      2010 Mobile Suites 38 RSSB 3 (Vanity Slide) #5057 (SOLD)

      Trailer Saver Air ride TS 3 (Sold)

      Pressure Pro System (SOLD)


      "WE ARE BLESSED"

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      • #4
        Originally posted by Dennis J McNany View Post
        Did you just put it in the toilet or somewhere else?
        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.
        Rick Binns


        2006 MS 32TK3, #2765, MorRyde I.S. & Pin Box, Level Up One Touch, 17.5" Wheel Upgrade
        2012 F450 6.7L Diesel w/ Air Bags, Reese 25K Signature Hitch

        "Bloom where you are planted"

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