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bilge pump install under I/O

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  • bilge pump install under I/O

    I would like to replace and install a new bilge pump/float switch in my boat. I have a 5.0 V8 Volvo Penta SX Cobra I/O in my Chris-Craft 19 Concept. Does anyone out there who knows the best way to access the bilge area. There is barely any room for me to get my hand through to reach the pump and switch under the engine yet alone getting to the bottom of the bilge. The only way I can see my replacement going in there is by taking it to a mechanic which I'm trying to avoid. Any suggestions? Thanks!

  • #2
    Re: bilge pump install under I/O

    When I replaced mine, I took the back seat out. Chances are you'll need to do the same. Make sure you have your epoxy and what not if your using a new or different base. You can either take the back seat out yourself, or pay someone $90/hr to do it for you...
    Carolina Skiff 178DLV

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    • #3
      Re: bilge pump install under I/O

      Thanks for the helpful info ...any particular epoxy you'd recommend for that job since I'm switching from an Attwood to a Rule it will probably have a different base.

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      • #4
        Re: bilge pump install under I/O

        Not 5200, but why is it not mounted to a vertical surface, up off the bottom, away from the trash?

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        • #5
          Re: bilge pump install under I/O

          I used epoxy that was made by JB weld.It is holding great.Mounted pump as far back in the bilge as i could get.The rule pump has a screen inside to catch the trash.I was lucky,8 screws and my back seats and engine housing are out.Easy access to the whole inside of the transom.
          Also a good idea to use the liquid electrical tape on the connections..


          1981 ChrisCraft 210 Scorpion K,175 Johnson SeaHorse

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          • #6
            Re: bilge pump install under I/O

            imported_Coors - The pump and float switch were installed there by the previous owner probably because it has a very deep-v...the bilge is pretty deep so it can fill up quite a bit before the switch kicks on..don't know how many vertical surfaces there are under there..I'll have to check on that.

            Gary H NC - thanks for the info ..I think I've seen JB weld at Home Depot..hope removing mine is just as easy..any special tools required for removal?

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            • #7
              Re: bilge pump install under I/O

              You might be able to mount your pump to an aluminum bracket (self - made) and then screw the bracket down,or attach with below the surface silicone sealer.

              DHP

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              • #8
                Re: bilge pump install under I/O

                I think epoxy works the best. You can get the marine kind that's white, or hardware stores usually have grey. It's a tube within a tube. You cut off what you'll need, and mix it with your fingers until it's all the same color. You'll also need acetone or laquer thinner or MEK or whatever "no residue" solvent you might have and some sandpaper. Clean the area where you're going to mount it thoroughly. If it's wet, make sure it's dry. If it's in an area where water can run into the install site before the epoxy can set up, you can use plumbers putty to build a circular dam around the area, then clean inside the dam. Once it's dry, scratch it up good with some sandpaper, wipe it one last time, mix your epoxy and set the base. Avoid the temptation of mounting the pump until the cure time for whatever you used has elapsed.
                Carolina Skiff 178DLV

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                • #9
                  Re: bilge pump install under I/O

                  uhhhhhhhh.....if you plan on using anykind of bracket to hold that pump or float...br careful when mounting it......my buddy put 2 screws all-the-way through the hull...hahahahahha...still makes me laugh......so just use glue...lol

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                  • #10
                    Re: bilge pump install under I/O

                    Hi All

                    Newbee here and I have searched the forums for this bilge subject. I just picked up a family member's Mobius today to do some general maintenance on it. The bilge is inop. I'll look at the electrical tomorrow.

                    Seeing if anyone can help with a picture of the bilge location. In doing some reading here, this does not look like a fun replacement!

                    Thanks in advance!
                    Pete

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                    • #11
                      Re: bilge pump install under I/O

                      Peter it is a better idea to start your own thread.
                      " The Chief Has spokin "

                      1986 Citation 19' 140 merc motor transplanted Sept. 2008. Stringer drive.
                      1976 Arrowglass couger, 76 Evindrude 70 hp.
                      1970 Aluminum jon boat 3 hp air cooled sears out board

                      Be good, be happy, treat people as you would want them to treat you, for tomorrow is promised to no man.

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                      • #12
                        Re: bilge pump install under I/O

                        Probably a good idea to add a little silicone to any holes you might add if you decide to screw it down.

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                        • #13
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                          Re: bilge pump install under I/O

                          the pump I installed in my Babcock had an uption to be attached to the hull bottom or the transom/deck. Everything I saw this time only has holes to be mounted to the hull bottom. I was thinking on making a bracket but I think the epoxy option is better. Thanks for the info!!!
                          1975 Cobia Tradewinds SS-170
                          Close Bow 17 Footer V-Hull
                          1975 Evinrude 70573-B 70HP

                          1968 Babcock
                          Bow Rider 15 Footer Thrihull
                          1968 Mercury 500 50 HP

                          Yes, I could google it, but I rather get advise from my Iboats fellow members...

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