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PSI FOR STEERING-gctid820048

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    PSI FOR STEERING-gctid820048

    What psi is the steering pump up posed to be on 1986 3870?

    Can't find my manual. Does anyone know what model it is?

    #2


    40-45 lbs. Been running mine at 30-40 for years..

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      #3
      "Johnny Vintage" post=820048 wrote:
      What psi is the steering pump up posed to be on 1986 3870?

      Can't find my manual. Does anyone know what model it is?
      20 - 30 psi for normal operation.

      We have had great success with maintaining dual stations units at the lower number of 20 psi.
      Northport NY

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        #4
        I run mine at 15 psi as that is what Garmin wanted on Autopilot pump

        Every thing works great

        Roy
        1988 3818
        EH 700
        Custom hard top enclosed

        Comment


          #5
          Mine works great at 5psi. More than that and bleeds down to there after a few weeks.
          1999 Sandpiper Pilothouse - Current
          1989 3888 - 2011-2019, 1985 Contessa - 2005-2011, 1986 21' Trophy 1998-2005
          Nobody gets out alive.

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            #6
            As always Smitty is correct! Hynautic recommends 25 psi but if you're also running a Garmin Autopilot you'll want a lot loss, below 10psi.


            Jim Gandee
            1989 3888
            Hino 175's
            Fire Escape
            [email protected]
            Alamitos Bay, SoCal

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              #7
              Does lower pressure usually take the ratchet feel out at the upper helm? Mine was really bad until I rebuilt the upper. I haven't tried pressure lower than 20.
              P/C Pete
              Edmonds Yacht Club (Commodore 1993)
              1988 3818 "GLAUBEN”
              Hino EH700 175 Onan MDKD Genset
              MMSI 367770440

              Comment


                #8
                "Pcpete" post=820172 wrote:
                Does lower pressure usually take the ratchet feel out at the upper helm? Mine was really bad until I rebuilt the upper. I haven't tried pressure lower than 20.
                No - lower pressure will not reduce friction or a ratchet action out of the helm.
                Northport NY

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                  #9
                  My upper helm has the ratcheting issue, is more difficult to turn then expected and I notice in rough seas I am always turning the wheel clockwise ( I think it's blowing past a seal) .

                  Is there a recommended place to send the upper helm pump for rebuilding?
                  Gibraltar, Mi.
                  1986- 3870- Hino 175's
                  1988 26' Shamrock/ Diesel
                  14' Zodiac Bay Runner

                  Comment


                    #10
                    "Is there a recommended place to send the upper helm pump for rebuilding?"

                    I have not used them myself but I know a couple of folks who have use these folks.....

                    Hynautic, Teleflex, and all other brands of hydraulic steering sold and repaired. We are the largest repair facility for older hydraulic steering units in the country.

                    Northport NY

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                      #11
                      Thanks Smitty- I will try the bleed procedure and if that doesn't help I will send the helm to these guys in the winter.
                      Gibraltar, Mi.
                      1986- 3870- Hino 175's
                      1988 26' Shamrock/ Diesel
                      14' Zodiac Bay Runner

                      Comment


                        #12
                        If you are not leaking, it probably is just the bleed issue.

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