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    Exhaust water discharge

    Hi there,
    this spring we are going to take posession of our 3587, and as had been suggested upon startup it is wise to take a look at the exhaust output to insure cooling water is flowing however the exhaust output is below the waterline. Any suggestions or thoughts on this are appreciated.
    dean

    #2
    You should be able to see the flow as a current in the water.
    P/C Pete
    Edmonds Yacht Club (Commodore 1993)
    1988 3818 "GLAUBEN”
    Hino EH700 175 Onan MDKD Genset
    1980 Encounter Sunbridge "Misty Blue" (Sold)
    MMSI 367770440
    1972 Chevrolet Nova Frame off Resto-mod in the garage
    Boating on the Salish Sea since 1948

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      #3
      Seems like the engine combustion could create turbulence in the water even without the cooling water discharge.

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        #4
        It depends largely on the mufflers. If they are a type that fill then the exhaust pushes the water out, that’s pretty obvious. Same of the outlet is an inch or two above the water. With my 3818 having the extended hardtop, my ports are an inch or so into the water making it a challenge to see sometimes.
        P/C Pete
        Edmonds Yacht Club (Commodore 1993)
        1988 3818 "GLAUBEN”
        Hino EH700 175 Onan MDKD Genset
        1980 Encounter Sunbridge "Misty Blue" (Sold)
        MMSI 367770440
        1972 Chevrolet Nova Frame off Resto-mod in the garage
        Boating on the Salish Sea since 1948

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          #5
          Stand on corner of swim step and have a buddy look for flow on other side.
          Started boating 1965
          Bayliners owned: 26 Victoria, 28 Bounty, 32, 38, and 47 since 1996

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            #6
            Tried that, didn't tilt much.

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              #7
              Put a bit of Dawn in the intake...?
              1988 3888
              Twin Cummins 6BT's 210hp
              Onan 8.0
              Boating Raritan Bay

              Comment


                #8
                Originally posted by Nickp View Post
                Put a bit of Dawn in the intake...?
                This has to be a joke. I hope your not serious.
                1999 Bayliner Ciera 2655
                5.7 Bravo 3

                Comment


                  #9
                  Get several friends on swim step side
                  Started boating 1965
                  Bayliners owned: 26 Victoria, 28 Bounty, 32, 38, and 47 since 1996

                  Comment


                    #10
                    Tie a small strip of cloth onto your boat hook and put it next to the exhaust port in the water. The strip should wave in the current.
                    P/C Pete
                    Edmonds Yacht Club (Commodore 1993)
                    1988 3818 "GLAUBEN”
                    Hino EH700 175 Onan MDKD Genset
                    1980 Encounter Sunbridge "Misty Blue" (Sold)
                    MMSI 367770440
                    1972 Chevrolet Nova Frame off Resto-mod in the garage
                    Boating on the Salish Sea since 1948

                    Comment


                      #11
                      This is pretty simple. Let it run for a few minutes and reach temperature. Buzzers will tell you real quick if there is water flow.
                      CPT.BLAIR
                      1993 4387 w/ 250 Hinos - Hampton, VA
                      1996 3388 w/ 150 Cummins - Richmond, VA
                      1989 Sea Ray 390 w/454 Mercruisers SOLD
                      1983 3288 w/ 3.8 Chevy V6 gassers SOLD
                      1984 3870 w/ 135 Mits SOLD

                      Comment


                        #12
                        Originally posted by ken51k View Post

                        This has to be a joke. I hope your not serious.
                        Serious...I have used Dawn to lube impellers when I put them back in the Spring...yes, it makes suds for a bit...would be a tell tale...
                        1988 3888
                        Twin Cummins 6BT's 210hp
                        Onan 8.0
                        Boating Raritan Bay

                        Comment


                          #13
                          Lol, I really am not trying to be difficult.
                          Was just hoping there was a easy way to confirm water flow as part of a pre-cruise routine. As being new to boating just want to feel confident as I leave the dock. Thinking it might be worth having new pump impellers installed. I really want to avoid as many issues as possible so that the new boat experience is as fun as possible. Another big concern which we have no control over is potential high water in Lake Ontario.

                          Comment


                            #14
                            Originally posted by frogeye View Post
                            Lol, I really am not trying to be difficult.
                            Was just hoping there was a easy way to confirm water flow as part of a pre-cruise routine. As being new to boating just want to feel confident as I leave the dock. Thinking it might be worth having new pump impellers installed. I really want to avoid as many issues as possible so that the new boat experience is as fun as possible. Another big concern which we have no control over is potential high water in Lake Ontario.
                            Understand the "anxiety"...I too am picking up a new (to me) 38 and before I leave Baltimore I will be putting my maintenance items at "zero"...inspect and change as necessary (impellers, filters, strainers, oil, coolant, generator and trans fluids...then I can breathe easy...

                            My pre-cruise prep is always fluid levels, water flow, engine temp, oil pressure, gauges, etc...then take off for points unknown. I will be preparing a short list to work from until it becomes second nature.

                            Did not understand you original question...thought you were talking about FIRST excursion...my bad...

                            Regards, Nick
                            1988 3888
                            Twin Cummins 6BT's 210hp
                            Onan 8.0
                            Boating Raritan Bay

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                              #15
                              Well it is our first ever boat, every aspect is a first for us at this point.

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