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    Steering Oil-gctid372700

    What kind of oil goes in the I think it is a hydraulic steering system. There is a place to add it in the upper helm. I don't see any in it and understand it is supposed to be filled to the top.

    #2
    According to Clarence at SeaStar, there is a preferred hydraulic oil. I've seen ATF used also.

    Give Clarence a phone call.

    The upper helm pump should be vented. Lower helms are typically not vented.

    The upper helm vent port is the fill port.

    If you have a pressurized "reservalve" system, be sure to bleed the pressure off first.



    One other note on filling oil:

    If your system is what they call a "balanced" system, and once you've bled the system, no further steps are necessary after you top off the fluid.

    However, if your system is an "un-balanced" system, be sure to bring the cylinder stem into the fully retracted position when you do your final fluid level check.

    If you were to top it off while the stem if fully extended, the helm pump may puke oil when the stem is again fully retracted.

    I can't say if this would be a full Port or full Stbd turn for you, since I don't know which side your cylinder is mounted on.

    .
    Rick E. Gresham, Oregon
    2850 Bounty Sedan Flybridge model
    Twin 280 HP 5.7's w/ Closed Cooling
    Volvo Penta DuoProp Drives
    Kohler 4 CZ Gen Set

    Comment


      #3
      2850Bounty wrote:
      According to Clarence at SeaStar, there is a preferred hydraulic oil. I've seen ATF used also.

      Give Clarence a phone call.

      The upper helm pump should be vented. Lower helms are typically not vented.

      The upper helm vent port is the fill port.

      If you have a pressurized "reservalve" system, be sure to bleed the pressure off first.

      Thanks,

      That is a helpful site. I will have to look at the system this weekend to see exactly what I have.

      Comment


        #4
        I just called Clarence for a part that I need and I asked him again about fluid.

        He said that the AFT can cause seal and O-ring problems, and not to use it unless you are in a pinch.

        He also said that if you can find it locally, Exon Univis J-13 will work as the hydraulic fluid.

        .
        Rick E. Gresham, Oregon
        2850 Bounty Sedan Flybridge model
        Twin 280 HP 5.7's w/ Closed Cooling
        Volvo Penta DuoProp Drives
        Kohler 4 CZ Gen Set

        Comment


          #5
          2850Bounty wrote:
          I just called Clarence for a part that I need and I asked him again about fluid.

          He said that the AFT can cause seal and O-ring problems, and not to use it unless you are in a pinch.

          He also said that if you can find it locally, Exon Univis J-13 will work as the hydraulic fluid.

          .
          Great, thanks. It isn't an emergency, just on my list.

          Comment


            #6
            Saintjon wrote:
            Great, thanks. It isn't an emergency, just on my list.
            engines fixed?

            Comment


              #7
              biohazard wrote:
              engines fixed?
              Don't know if they are . Going tomorrow.

              Comment


                #8
                biohazard wrote:
                engines fixed?
                What happened to yours?

                Comment


                  #9
                  You can use any of the following:

                  H5606C

                  SeaStar HA5430

                  Texaco H015

                  Chevron Aviation Fl A

                  The SeaStar oil at West Marine costs a fortune. I've been using 5606 that I buy by the gallon from an aircraft shop for about 20 years.

                  Bleeding the system is lots easier if, after you capture and discard the first oil to flow out of the master cylinder (it's likely dirty), you just run the bleed hose from the cylinder back to the fill port on the helm station you're currently bleeding. Use a funnel.

                  Try not to spill on the carpet.
                  100T MMC 2307794

                  Comment


                    #10
                    apexaro1 wrote:
                    What happened to yours?
                    The mechanic didn't winterize the oil coolers last year so they froze. Frost plugs gave on the coolers so engines couldn't draw up any water. Had engines running, seemed to be doing ok while on the trailer. Got in the water and started making our way to the slip and it started smoking bad. Thought at first it was just steam as when I went to do my sea trial, there was steam that dissipated shortly after. I started to smell like burning rubber so we shut down one engine and limped to a slip. He told me at first about bleeding it and that didn't work. He change all the intake hoses this spring so that's what he thought was the problem. Only after he couldn't get it to draw water did he investigate further.

                    He doesn't believe in anti freeze. Right Bio? I haven't had a chance to do much else yet until I am able to get the engines running. He is replacing the coolers and the impellers. Will look to see if the oil is scorched and if there are other problems. It was a horrible day to launch the boat as the wind was howling so we couldn't just anchor.

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                      #11
                      well hes obviously never damaged any engines of course. I would invest in a real mechanic

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                        #12
                        biohazard wrote:
                        well hes obviously never damaged any engines of course. I would invest in a real mechanic
                        Might just do that.

                        Comment


                          #13
                          http://www.teleflexmarine.com/wp-con.../296784-AO.pdf

                          The recommended sub oils are in the manual. You really don't need the anti foaming aircraft oil, it's just a light hydraulic fluid. I use the shell product because it's red and easy to see when it leaks. I think I have the same gallon I bought 3 years ago.

                          Comment


                            #14
                            Kendall Hyken Glacial Blue Hydraulic Oil meets the spec but it's not recommended for aircraft, I think they use it in bucket trucks and snow plows.

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