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DIY Portable Oil Change System

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    DIY Portable Oil Change System

    Debated for a long time on whether to install a permanent oil change system (e.g., Reverso), purchase a portable pump, or build something in between. I ended up building a portable system using a Marco gear pump.

    As shown in the pictures, I built the system in a decent sized tool box that allows everything to be completely self-contained (holds input and output hoses, a couple filters and a funnel-with room to spare). I also decided to use a small starter battery to make it self-powered, but also wired in alligator clips just in case the battery is ever drained when I want to use it.

    First test of the system was performed this past weekend, changed the oil on both engines in our Meridian 490. Took me about 3 hours, but at least an hour of it was setting up the quick-connects on the engine discharges and being overly cautious, as this was the first time changing the oil for me on this boat.

    The pump system pulled the oil out in under 10 mins. per engine and the quick connect fittings with caps keep it a fairly clean process.

    Decided against the built in system largely due to restricted space in the engine room (certainly could have found room, but...). The portable system also allows me to share this system with some boating friends (they just need to install the quick connect fittings, then hook up is quick and easy).

    Now I just need to get quick connect fittings installed on transmissions and generator (generator should be easy, transmissions might be a different story).
    GMS
    2008 Meridian 490
    2010 ArrowCat Express 30 (sold)

    #2
    That is slick.

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      #3
      Brilliant! Love the toolbox concept. I’ve been mulling over the idea of building my own manifold and running lines but I think I’m going to follow your lead. Thanks for sharing.
      Sea Como No
      2000 - 3988 w/330 Cummins
      Ladysmith, BC

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        #4
        Very cool...

        I have pretty much the same setup, except that I chose to mount it permanently. The engine drain lines and the pump lines have quick disconnects. The drain line from the pump goes to the lazarette, where I place a 5 gallon container with a QD fitting on it's lid. I also made a suction tube with a quick disconnect that I can use to drain the transmissions.

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        1999 3788, Cummins 270 "Freedom"
        2013 Boston Whaler 130 SS
        Anacortes, WA

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          #5
          The toolbox is an excellent idea. I did something similar many years ago but my pump just rolled around in the bilge waiting to be used and I didn't install quick connects so I always had to round up the right wrenches. Mine was messy. Good work.
          R.J.(Bob) Evans
          Buchanan, SK
          Cierra 2755
          Previously 43 Defever, Response LX
          Various runabouts, canoes & kayaks

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            #6
            I sure like the gear pump idea. That is excellent! Good job!

            All too often we see people using a small impeller pumps that are not petroleum product friendly.

            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

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              #7
              Picture of my oil change and pre lubber system, after the winter lay up or after oil change I can pressure up the engine to 10 PSI, before starting,-- saves the bearings.
              Slightly modified 2859 6.5 Diesel Bravo III X drive
              96 Dodge 5.9 5 speed Gear vender OD.

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